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Apple 5280 manuale d’uso - BKManuals

Apple 5280 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Apple 5280. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Apple 5280 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Apple 5280 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Apple 5280 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Apple 5280
- nome del fabbricante e anno di fabbricazione Apple 5280
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Apple 5280
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Apple 5280 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Apple 5280 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Apple in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Apple 5280, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Apple 5280, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Apple 5280. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    Service Source K Po wer Macintosh/Performa 5260, 5280 Series Power Macintosh 5260/100, 5260/120 International Performas 5260/120, 5280[...]

  • Pagina 2

    Service Source K Basics Po wer Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 3

    Basics System Overview - 1 System Overview The Power Macintosh 5260 and 5280 design includes expansion slots for 68040 LC communications and PDS cards, as well as other video-in, video tuner, and video-out options. Disk storage includes an IDE hard drive in a variety of capacities and a trayloading CD-ROM drive.[...]

  • Pagina 4

    Basics 5260/120 and 5280 - 2 5260/120 and 5280 The Performa 5260/120 is sold in Canada and Australia. The Performa 5280 is sold in Japan. The Power Macintosh 5260/120 is sold in the United States and Canada. The 5260/120 and 5280 models are similar to the 5260/100, but differ with these features: • PowerPC 603e processor at 120 MHz clock frequenc[...]

  • Pagina 5

    Basics Service Strategy - 3 Service Strategy Service the Power Macintosh/Performa 5000 series through module exchange and parts replacements. Customers can request on-site service from an Apple Authorized Service Provider Plus (AASP+) or Apple Assurance. They can also choose carry-in service from an Apple Authorized Service Provider (AASP). Orderin[...]

  • Pagina 6

    Basics Service Strategy - 4 orders placed through the AppleOrder system. Service Providers not enrolled in AppleOrder may fax their orders to Service Provider Support (512-908-8125) or mail them to Apple Computer, Inc. Service Provider Support MS 212-SPS Austin, TX 78714-9125 W arranty and AppleCar e These new computers are covered under the Apple [...]

  • Pagina 7

    Basics Service Strategy - 5 Diagnostics Use MacTest Pro for Power Macintosh to perform diagnostics on the Power Macintosh/Performa 5000 series. Design f or Serviceability To access the floppy drive, CD-ROM drive, or front panel control board, remove the drive and controls bezel. To service the logic board, hard drive, or video options, remove the I[...]

  • Pagina 8

    Basics User Controls - 6 User Controls User controls include • Soft power-on control from keyboard • Front-panel sound-control pushbuttons • Front-panel brightness-control pushbuttons • Optional infrared remote control[...]

  • Pagina 9

    Basics Internal Expansion Connections - 7 Internal Expansion Connections Expansion connections on the logic board include • 2 DRAM SIMM expansion slots • LC Processor Direct Slot (PDS) • Communications slot for modems and Ethernet • Video-in slot for real-time video display, capture, and overlay • External video port An expansion ribbon c[...]

  • Pagina 10

    Basics Intelligent Device Electronics (IDE) Hard Drive - 8 Intelligent Device Electronics (IDE) Hard Drive The internal hard drive uses Intelligent Device Electronics (IDE) technology, commonly used in DOS-compatible systems. The IDE hard drive functions the same as a typical SCSI hard drive. You must replace IDE drives like-for-like. The IDE drive[...]

  • Pagina 11

    Basics Processor Direct Slot (PDS) - 9 Processor Direct Slot (PDS) The LC-PDS is compatible with the PDS in the Macintosh LC family of computers, but it is not a true PDS. Like the expansion slot in the other models in the Power Macintosh and Performa 5000 series, this expansion slot supports many PDS cards designed to operate with the MC68030 bus.[...]

  • Pagina 12

    Basics Video-In Card - 10 Video-In Card The Video-In Card is an optional card included with the Apple Video System. It allows users to digitize video from the TV Tuner, MPEG Card, and external composite or S-video inputs. It accepts NTSC, PAL, or SECAM format video and also provides stereo audio inputs. Install the Video-In Card into the dedicated [...]

  • Pagina 13

    Basics MPEG Card - 11 MPEG Card The MPEG Card is an optional card included with the Apple MPEG Media System. The MPEG Card requires that the Video-In Card be installed. It provides hardware decompression for MPEG movie files, enabling full-screen (through pixel doubling), 30-frames-per-second, 24-bit video playback with 16-bit audio. After the MPEG[...]

  • Pagina 14

    Basics T V Tuner Module - 1 2 TV Tuner Module The TV Tuner, an optional module included with the Apple TV/Video System, turns the computer into a television receiver. The TV Tuner requires the Video-In Card, which is also included with the Apple TV/Video System. The TV Tuner receives incoming television signals from cable or antenna television inpu[...]

  • Pagina 15

    Basics TV/FM Radio Tuner Card - 13 TV/FM Radio Tuner Card The TV/FM radio tuner card turns the computer into a television and FM radio receiver, complete with remote control. An expansion ribbon connector for the optional TV/FM radio tuner card provides NTSC and PAL input from an external TV antenna or cable. Change channels by typing the channel n[...]

  • Pagina 16

    Basics TV/FM Radio Tuner Card - 14 The TV picture is in its own window on the desktop, and the default size of the window is 320x240 pixels. The picture can be resized from 160x120 pixels up to 640x480 pixels. The resolution of the picture does not increase at larger window sizes, but the image is expanded by doubling the pixel size or by two-dimen[...]

  • Pagina 17

    Basics TV/FM Radio Tuner Card - 15 The card is available in versions for NTSC, PAL, and SECAM television systems. The features of the TV tuner include the following: • Remote tuner for 181 broadcast and cable channels (U.S. version) • Coaxial connector for TV antenna or cable input (F-type connector in U.S. and Japanese version, IEC-type connec[...]

  • Pagina 18

    Basics TV/FM Radio Tuner Card - 16 The features of the FM radio tuner include the following: • FM radio frequencies received and displayed • Stations scanned and searched up and down the frequency spectrum • Step frequency • DX mode to tune out harmonic spillover from other stations • Stereo/mono station indicator • Preset station progr[...]

  • Pagina 19

    Basics External Video Connector - 1 7 External Video Connector The External Video Connector is an optional module that provides the computer with video output (mirroring). Install the External Video Connector in a dedicated 3/4- inch, 22-pin slot on the logic board.[...]

  • Pagina 20

    Basics Apple Presentation System - 1 8 Apple Presentation System The Apple Presentation System (APS) is an external module that uses the 15-pin video output connector on the computer, and then provides a video signal for a separate television display or for recording on a VCR. The APS supports video mirror mode, where the image on the television di[...]

  • Pagina 21

    Basics The Cuda Chip - 1 9 The Cuda Chip The Cuda is a microcontroller chip. Its function is to • Turn system power on and off • Manage system resets from various commands • Maintain parameter RAM (PRAM) • Manage the Apple Desktop Bus (ADB) • Manage the real-time clock Many system problems can be resolved by resetting the Cuda chip. Press[...]

  • Pagina 22

    Basics CRT and Degauss Frame - 2 0 CRT and Degauss Frame The CRT and degauss frames are precisely matched at the factory and must be removed and replaced as a unit.[...]

  • Pagina 23

    Basics Front View - 21 Front View Mouse Built-In Microphone Color Display Headphone Jack Floppy Disk Drive Sound Control Buttons Screen Control Buttons Keyboard CD-ROM Drive (optional) Power-On Light CD-ROM Drive Power Key Stereo Speakers Tilt-and-Swivel Base Remote Control Sensor[...]

  • Pagina 24

    Basics Rear View - 22 Rear View  Microphone Assembly Analog Board Assembly CD ROM Drive Logic Board I/O Panel Assembly Tilt-Swivel Assembly Hard Drive Floppy Drive CRT Video Board Assembly Power Supply Assembly Rear Housing TV Tuner Board[...]

  • Pagina 25

    Basics I/O Panel - 23 I/O Panel PDS Cover Communication Card Access Cover SCSI Port Printer Port Modem Port ADB Port Sound Input Port Sound Output Port Video Input Access Cover External Video Output Connector Cover[...]

  • Pagina 26

    Basics 5260/5280 Logic Board - 24 5260/5280 Logic Board Battery Video-In Slot Monitor-Out Slot Processor/ Heatsink DRAM SIMM Slot PDS Communications Card Slot ROM Slot Cuda Reset Button[...]

  • Pagina 27

    Service Source K Specifications Po wer Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 28

    Specifications Processor - 1 Processor CPU 5260/100 PowerPC 603e processor 100 MHz 5260/120, 5280 PowerPC 603e processor 120 MHz Addressing 64-bit PowerPC bus[...]

  • Pagina 29

    Specifications Memory - 2 Memory DRAM 16 MB DRAM, minimum Expandable to 64 MB (72-pin, 80 ns or faster SIMMs) Frame Buffer 1 MB DRAM on board, for video support RO M 4 MB Cache Memory 256K Level 2[...]

  • Pagina 30

    Specifications Disk Storage - 3 Disk Storage Floppy Drive 1.4 MB Apple SuperDrive Manual Insert Hard Drive 800 MB, 1.2 GB, or 1.6 GB IDE hard drive CD-R OM Drive 5260/100 Standard AppleCD 600i drive 5260/120, 5280 AppleCD 1200i drive[...]

  • Pagina 31

    Specifications I/O Interfaces - 4 I/O Interfaces Serial Two RS-232/422 serial ports for modem and printer (mini DIN-8 connectors) LocalTalk supported SCSI One external SCSI port (DB-25 connector) Supports up to seven SCSI devices A pple Desktop Bus One Apple Desktop Bus (ADB) port (mini DIN-4 connector) Sound Input Built-in microphone for monaural [...]

  • Pagina 32

    Specifications I/O Interfaces - 5 Sound Output Two stereophonic sound output ports, level nominally 0.5 V RMS into 39 ohms One front headphone jack, one rear stereo mini phonejack Internal stereo speakers External V ideo Connector One DB-15 mirror video out connector using optional video connector kit. This feature provides “mirroring” (or disp[...]

  • Pagina 33

    Specifications I/O Interfaces - 6 V ideo-in Slot One 60-pin video-in slot for optional expansion card providing real-time video display, capture, and overlay. TV T uner One 10-pin port for TV Tuner card Communications One 112-pin internal expansion slot for modem or Ethernet card (68040-bus configuration) Processor -Direct Slot One 96/114-pin inter[...]

  • Pagina 34

    Specifications I/O Devices - 7 I/O De vices K eyboard Apple Extended Keyboard II, AppleDesign (other ADB keyboards supported) Mouse Apple Desktop Bus Mouse Mechanical tracking, optical shaft, or contact encoding Microphone Integrated microphone for monophonic sound input Speaker Integrated stereo speakers capable of delivering 16-bit stereo sound[...]

  • Pagina 35

    Specifications Sound and Video - 8 Sound and V ideo Sound Generator Records at 11-kHz or 22-kHz sample rate Plays back at 22-kHz sample rate Two speakers with enhanced stereo sound Allows playback and recording of ordinary audio compact discs (CDs) 16-bit monophonic sound input 16-bit stereophonic sound output (16-bit CD stereophonic playback), lev[...]

  • Pagina 36

    Specifications Sound and Video - 9 Built-in V ideo Display Dot Pitch: 0.28 mm Vertical Frequency: 66.7 Hz Active Raster Size (nominal): 9.5 in. by 7.3 in. (240 mm by 185 mm) White Point: 9,300° K Shipping Brightness (nominal): 25-foot lamberts 14-in. Shadow Mask display (12.8-in. viewable image) Phosphor (aluminized): P22 (red, green, blue) Phosph[...]

  • Pagina 37

    Specifications Sound and Video - 1 0 Monitor Timings 640x480 Resolution at 60 Hz Horizontal Timing Back porch: 96 dots HSYNC: 64 dots Front Porch: 64 dots 1 dot: 33.06878 ns 1 H: 28.5714 ms 1/dot: 30.24 MHz V ertical Timing Back porch: 39 H VSYNCH: 3 H Front Porch: 3 H 1 H: 28.5714 ms 1/H: 35.000 k Hz 1 V: 15.000 ms[...]

  • Pagina 38

    Specifications Sound and Video - 1 1 Monitor Timings 640x480 Resolution at 66.67 Hz Horizontal Timing Back Porch: 96 dots H SYNC: 64 dots Front Porch: 64 dots 1 dot: 33.06878 n 1 H: 28.5714 ms 1/dot: 30.24 MHz V ertical Timing Back Porch: 39 H V SYNC: 3 H Front Porch: 3 H 1 H: 28.5714 ms 1/H: 35.000 kHz 1V: 15.000 ms 1/V: 66.666 Hz[...]

  • Pagina 39

    Specifications Sound and Video - 1 2 Monitor Timings 800x600 Resolution at 60 Hz Horizontal Timing Back Porch: 88 dots H SYNC: 128 dots Front Porch: 40 dots 1 dot: 25.000 ns 1 H: 26.4 ms 1/dot: 40.000 MHz V ertical Timing Back Porch: 23 H V SYNC: 4 H Front Porch: 1 H 1 H: 37.879 ms 1/H: 16.58 kHz 1 V: 60.3165 ms 1/V: 60.3165 Hz[...]

  • Pagina 40

    Specifications Sound and Video - 1 3 Monitor Timings 800x600 Resolution at 72 Hz Horizontal Timing Back Porch: 64 dots H SYNC: 120 dots Front Porch: 56 dots 1 dot: 20.000 ns 1 H: 20.800 ms 1/dot: 50.000 MHz V ertical Timing Back Porch: 23 H V SYNC: 6 H Front Porch: 37 H 1 H: 20.800 ms 1/H: 48.077 kHz 1 V: 13.853 ms 1/V: 72.186 Hz[...]

  • Pagina 41

    Specifications Sound and Video - 1 4 External V ideo Connector (Optional) Supports video mirroring on the following external monitors (at product introduction): Supports video mirroring on the following external monitors (at product introduction) with 640x480 resolution: Macintosh 13" Color Display, Apple Color Plus 14" Display, Macintosh[...]

  • Pagina 42

    Specifications Electrical - 15 Electrical Line V oltage 100–240 VAC Frequency 47–63 Hz Po wer 240 W maximum Surge Voltage: 300 V RMS for 100 ms Peak Inrush Current: 40 A pk Current: 4.0 A maximum for all line and load conditions Power: 220 W maximum for all line and load conditions[...]

  • Pagina 43

    Specifications Physical - 16 Physical Dimensions Height: 17.5" (445 mm) Width: 16" (406 mm) Depth: 15.1" (383 mm) W eight Without CD-ROM: 17 lb. With CD-ROM: 19 lb. (21.15 kg) Weight varies with options[...]

  • Pagina 44

    Specifications Environmental - 17 En vironmental T emperature Operating: 50°–104° F (10°–40° C) Transit (72 hours): –40° F to +149° F (–40° C to +65° C) Storage (6 months): –40° F to +116° F (–40° C to +47° C) Humidity Noncondensing, 20–95% Altitude 0–10,000 ft. (0–3,000 m)[...]

  • Pagina 45

    Service Source K Troubleshooting Power Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 46

    Troubleshooting General - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Because cures are listed on the charts in the order of most likely solution, try the first cure first. Verify whether the product continues to exhibit the symptom. If the symptom persists, try the next cu[...]

  • Pagina 47

    Troubleshooting First Checklist - 2 First Checklist Jitter, faint lines, or screen movement can be caused by external interference such as electronic devices and fluorescent lights. Move the unit to another room or building to help determine if external interference is the source of the problem. A misadjusted screen can mimic the same symptoms as a[...]

  • Pagina 48

    Troubleshooting Symptom Charts/ System - 3 Symptom Charts System System intermittently crashes or hangs 1 Verify that system software is version 7.5 or later. 2 Verify that software is compatible with system. 3 If Ethernet card is installed, verify that it is fully seated. 4 Check that system has enough memory installed for application. System does[...]

  • Pagina 49

    Troubleshooting Symptom Charts/ System - 4 System will not start up from keyboard, but will start up from rear power switch 1 Verify keyboard as known-good. 2 Replace analog board. System continually restarts after Shutdown from Special menu 1 Verify keyboard as known-good. 2 Replace analog board. Flashing “?” appears at startup in system with [...]

  • Pagina 50

    Troubleshooting Symptom Charts/ System - 5 Menu bar constantly flashes or system constantly beeps 1 Verify that front-panel control buttons are not jammed. 2 Verify “mute” is not selected in the Sound control panel. 3 Reseat drive bezel and front-panel control board.[...]

  • Pagina 51

    Troubleshooting Symptom Charts/ Audio - 6 Audio Distorted or garbled sound from both speakers Replace analog/video board assembly. Distorted or garbled sound from one speaker 1 Replace defective speaker. 2 Replace analog/video board assembly. Sound distortion with MPEG board installed Replace MPEG board with modified MPEG board. A modified board sh[...]

  • Pagina 52

    Troubleshooting Symptom Charts/ Audio - 7 Crackling noise is present when playing sounds other than system beeps and not in “play through” mode 1 If static noise varies while adjusting volume with Sound control panel, use Audio Volume Extension 1.1 or later. Note: Audio Volume Extension is available from standard Apple software update sites. 2 [...]

  • Pagina 53

    Troubleshooting Symptom Charts/ Video - 8 Video Screen is black, too dark, or too bright; audio and drive operate 1 Adjust contrast button on front bezel. 2 Adjust brightness. Use Screen control panel. 3 Check yoke cable connection. 4 Perform video adjustments. Refer to “Video” in Adjustments chapter. 5 Replace analog/video board assembly. 6 Re[...]

  • Pagina 54

    Troubleshooting Symptom Charts/ Video - 9 Video will not play or system hangs when attempting to run video in units with MPEG card 1 If chip at location U12 on MPEG card displays number 341SO205, check all connections. 2 If chip at location U12 on MPEG card does not display number 341SO205, replace MPEG card. Single vertical or horizontal line is d[...]

  • Pagina 55

    Troubleshooting Symptom Charts/ Video - 1 0 Out of convergence (color bleeds from text or lines) 1 This problem rarely indicates a defective module. Some misconvergence is normal, especially around edges of screen. Contact Apple Technical Support if you’re uncertain whether misconvergence is within specification. 2 Replace analog/video board asse[...]

  • Pagina 56

    Troubleshooting Symptom Charts/Video - 11 Screen jitters or flashes 1 Refer to “First Checklist” in Troubleshooting chapter. Move electrical devices (other monitors, scanners, and so on) away from monitor. Temporarily shut off all fluorescent lights in area. 2 Move unit to another room or building and check if symptom persists. 3 Replace analog[...]

  • Pagina 57

    Troubleshooting Symptom Charts/ Video - 1 2 Linearity bad (size of text/graphics differs at top, bottom, or sides of screen) Replace analog/video board assembly. Raster tilted or shifted 1 Refer to “First Checklist” in Troubleshooting chapter. Move metal objects away from monitor. 2 Perform appropriate geometric adjustments. Refer to “Geometr[...]

  • Pagina 58

    Troubleshooting Symptom Charts/ Video - 1 3 Raster distorted (barrel-shaped, corners not square, stretched or compressed at top of display, or sides not perpendicular) 1 Refer to “First Checklist” in Troubleshooting chapter. 2 Perform appropriate geometric adjustments. Refer to “Geometry” in Adjustments chapter. 3 Install monitor-adjustment[...]

  • Pagina 59

    Troubleshooting Symptom Charts/ Video - 1 4 Screen has white areas with blotches of color 1 Refer to “First Checklist” in Troubleshooting chapter. 2 Because this purity problem can be caused by magnetic fields, move unit to another location. 3 Degauss display with manual degaussing coil. (Degaussing coils can be purchased at most major electron[...]

  • Pagina 60

    Troubleshooting Symptom Charts/ Floppy Drive - 15 Floppy Drive Audio and video are present, but internal floppy drive does not operate 1 Replace bad disk with known-good disk. 2 Replace floppy drive. 3 Replace logic board. Retain customer’s SIMMs. Disk ejects; display shows icon with blinking “X” 1 Replace bad system disk with known-good syst[...]

  • Pagina 61

    Troubleshooting Symptom Charts/ Floppy Drive - 16 Disk does not eject 1 Insert opened paper clip into hole beside floppy drive. 2 Switch off system and hold mouse button down while switching system on (to complete eject cycle). 3 Replace floppy drive. Internal floppy drive runs continuously 1 Replace bad disk with known-good disk. 2 Replace floppy [...]

  • Pagina 62

    Troubleshooting Symptom Charts/ Hard Drive - 17 Hard Drive Internal or external hard drive does not operate 1 Verify that all hard drive connections are secure. 2 Verify that external drive is properly terminated. 3 Reseat logic board. 4 Replace internal IDE hard drive. 5 Replace chassis/wiring harness. 6 Replace logic board. Retain customer’s SI[...]

  • Pagina 63

    Troubleshooting Symptom Charts/ Hard Drive - 18 Flashing ? appears at startup in 5260/ 100 with 1.6 GB ATA hard drive (p/n 661-1107), and may be corrected with restart. 1 Be sure system software is not corrupted. See the Software Troubleshooting document in the HW-SW Procedures topic under the Troubleshooting tab on the Service Source CD startup sc[...]

  • Pagina 64

    Troubleshooting Symptom Charts/ CD-ROM Drive - 19 CD-ROM Drive CD-ROM drive does not accept disc 1 Exchange compact disc (if disc is dirty or damaged). 2 Replace CD-ROM drive mechanism. 3 Replace SCSI data cable. Volume control does not operate correctly 1 Check Sound control panel setting. 2 Check front-panel controls. 3 Reseat the drive and contr[...]

  • Pagina 65

    Troubleshooting Symptom Charts/ CD-ROM Drive - 20 Computer cannot mount known-good CD-ROM drive 1 Reseat CD-ROM drive adapters. 2 Check SCSI ID setting. (Internal CD-ROM drive was originally set to 3 at factory.) 3 Replace CD-ROM drive. 4 Replace chassis/wiring harness When an internal and external SCSI device are present, only one starts up 1 Veri[...]

  • Pagina 66

    Troubleshooting Symptom Charts/ CD-ROM Drive - 21 Eject button sticks. Replace the front bezel.[...]

  • Pagina 67

    Troubleshooting Symptom Charts/ Peripheral - 22 Peripheral Cursor does not move 1 Restart system. 2 Check mouse connection. 3 If mouse was connected to keyboard, connect mouse to rear ADB port and disconnect keyboard. If mouse works, replace keyboard. If mouse does not work in ADB port, replace mouse. 4 Reseat logic board. 5 Replace logic board. Re[...]

  • Pagina 68

    Troubleshooting Symptom Charts/ Peripheral - 23 Cannot double-click to open application, disk, or server 1 Remove extra system files on hard drive. 2 Check mouse speed on Control Panel. 3 Unplug 4.5 battery, wait 20 seconds, plug in battery, and restart computer. 4 If mouse was connected to keyboard, connect mouse to rear ADB port and disconnect ke[...]

  • Pagina 69

    Troubleshooting Symptom Charts/ Peripheral - 24 Known-good StyleWriter, ImageWriter, or ImageWriter II does not print 1 Verify that Chooser and Control Panel are set correctly. 2 Verify that printer driver and system software are not corrupt. 3 Verify system software is version 7.5 or later. 4 Check printer DIP switches. 5 Replace printer interface[...]

  • Pagina 70

    Troubleshooting Symptom Charts/ Miscellaneous - 25 Miscellaneous Clicking, chirping, or thumping sound 1 Replace analog board. 2 Replace logic board. Retain customer’s SIMMs. Smoke or Odor Present 1 Replace Analog board. 2 Replace Power Supply. 3 Replace Logic Board. No video, no audio, and no drive operation 1 Connect power cord. 2 Switch power [...]

  • Pagina 71

    Troubleshooting Symptom Charts/ Miscellaneous - 26 Screen shows “Sad Macintosh” icon and black vertical lines; screeching sound 1 Replace RAM SIMMs on logic board. 2 Replace logic board. Retain customer’s SIMMs. Rattling sound at startup in system with Apple External Video Connector Press or fold Apple External Video cable to prevent it from [...]

  • Pagina 72

    Troubleshooting Symptom Charts/ Miscellaneous - 27 “Sad Macintosh” icon 1 Verify that no disc is in CD-ROM drive. 2 Disconnect all external SCSI devices and attempt to restart computer. 3 Disconnect internal SCSI device and attempt to start computer with known-good floppy disk. 4 Replace bad SCSI drive with known-good SCSI drive. 5 Replace RAM [...]

  • Pagina 73

    Troubleshooting Symptom Charts/ Miscellaneous - 28 System with internal modem unable to recognize graphics or Ethernet card in communications slot 1 Replace internal modem. 2 Replace graphics or Ethernet card.[...]

  • Pagina 74

    Service Source K T ake Apart Po wer Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 75

    Take Apart Drive and Control Bezel - 1 Drive and Control Bezel No preliminary steps are required before you begin this procedure.[...]

  • Pagina 76

    Take Apart Drive and Control Bezel - 2 1 P l a cing your fingertips in the holes of the finger latches, pull the two finger latches down. 2 Swing the drive and control bezel up and off.[...]

  • Pagina 77

    Take Apart Drive and Control Bezel - 3 Replacement Note: Insert the drive bezel hinge tabs behind the upper corners of the front bezel opening. Swing the drive bezel down until it snaps closed.[...]

  • Pagina 78

    Take Apart Floppy Drive - 4 Floppy Drive Before you begin, remove the drive and control bezel. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 79

    Take Apart Floppy Drive - 5 1 Pull up the release latch, and pull out the floppy drive far enough to reach the ribbon cable connector.[...]

  • Pagina 80

    Take Apart Floppy Drive - 6 2 Disconnect the floppy drive from the floppy drive cable. Note: Remove the drive carrier if you are replacing the floppy drive. Note: Because screw placement varies according to the type of drive used with the carrier, note the placement of the screws before removing them. Retain the carrier and screws, and install them[...]

  • Pagina 81

    Take Apart Floppy Drive - 7 3 Remove the four mounting screws. 4 Remove the carrier from the floppy drive.[...]

  • Pagina 82

    Take Apart CD-ROM Drive - 8 CD-ROM Drive Before you begin, remove the following: • Drive and control bezel • Floppy drive Note: The CD-ROM drive is optional. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 83

    Take Apart CD-ROM Drive - 9 Push up the release latch and pull the CD-ROM drive from the chassis. Note: You may need to use some initial force to disconnect the CD-ROM drive from the internal chassis/wiring harness.[...]

  • Pagina 84

    Take Apart CD-ROM Drive - 10 Note: Perform the following steps only if you are replacing the CD-ROM drive. 1 Disconnect the CD-ROM audio adapter from the drive. 2 Disconnect the SCSI adapter 3 Remove the four mounting screws and carrier from the CD- ROM drive.[...]

  • Pagina 85

    Take Apart CD-ROM Drive - 11 Replacement Note: Retain the carrier, screws, and adapters for installation on the new drive. Replacement Caution: Before replacing the SCSI adapter, verify that the SCSI drive connector pins are not bent.[...]

  • Pagina 86

    Take Apart Front Panel Control Board - 1 2 Front Panel Control Board Before you begin, remove the drive and control bezel. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 87

    Take Apart Front Panel Control Board - 1 3 Caution: Be sure to grip the front panel in the area shown to avoid harming circuit t racings. 1 Using needle-nose pliers, grip the front edge of the front-panel control board. 2 Pull firmly and slide the front panel control board out far enough to reach the ribbon cable connector.[...]

  • Pagina 88

    Take Apart Front Panel Control Board - 1 4 3 Disconnect the cable from the front-panel control board. Replacement Note: Using a flat-blade screwdriver, press the front-panel control cable back and down.[...]

  • Pagina 89

    Take Apart Front Panel Control Board - 1 5 Replacement Note: Tilt the board up slightly to insert it into the guide rails.[...]

  • Pagina 90

    Take Apart Front Panel Control Board - 1 6 Replacement Note: The front edge of the reinstalled front-panel control board must be flush with the front edge of the plastic chassis.[...]

  • Pagina 91

    Take Apart I/O Door - 17 I/O Door No preliminary steps are required before you begin this procedure.[...]

  • Pagina 92

    Take Apart I/O Door - 18 1 Remove the two security screws.[...]

  • Pagina 93

    Take Apart I/O Door - 19 2 Using your fingertips, pull the two finger latches down. 3 Swing the door up and off. Replacement Note: Align the I/O door hinge tabs and slide the door up into position. Swing the door down until it snaps closed.[...]

  • Pagina 94

    Take Apart Logic Board - 2 0 Logic Board Before you begin, remove the I/O door. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 95

    Take Apart Logic Board - 2 1 1 Swing out the handle from its storage position. 2 Pull out the lo gic board. Note: When installing cards, cover the two screws (for fan support and ground thermistor mounting) with tape. These screws are below the upper chassis, in the area of the logic board. Stretching a length of strong tape (fiber- reinforced, if [...]

  • Pagina 96

    Take Apart Logic Board - 2 2 Note: Perform the following steps only if you are replacing a defective logic board. 3 Remove the two Phillips screws that secure the fence to the solder side of the logic board.[...]

  • Pagina 97

    Take Apart Logic Board - 2 3 4 Using a hex nut driver, remove the two hex nuts that secure the logic board fence to the SCSI connector. 5 Separate the logic board fence from the logic board.[...]

  • Pagina 98

    Take Apart Logic Board - 2 4 Replacement Note: Verify that the flange on the logic board fence is properly aligned with the mini-DIN shield.[...]

  • Pagina 99

    Take Apart Logic Board - 2 5 Replacement Note: Align the flange around the mini- DIN shield first, then swing the rest of the logic board fence into place.[...]

  • Pagina 100

    Take Apart Rear Housing - 2 6 Rear Housing Before you begin, remove the I/O door. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.[...]

  • Pagina 101

    Take Apart Rear Housing - 2 7 1 Pry off the two screw covers on each side of the rear housing. : Pry up from the rear edge of the screw cover.[...]

  • Pagina 102

    Take Apart Rear Housing - 2 8 2 Remove the three torx screws on each side of the rear housing.[...]

  • Pagina 103

    Take Apart Rear Housing - 2 9 3 ± W arning: This step exposes high voltage components. Follow CRT safety precautions. Slide the rear housing back and off.[...]

  • Pagina 104

    Take Apart Front Bezel - 3 0 Front Bezel Before you begin, remove the following: • I/O door • Rear housing ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.[...]

  • Pagina 105

    Take Apart Front Bezel - 3 1 1 .Disconnect the microphone cable and guide the cable to the microphone side of the metal CRT frame. 2 Pull off the front bezel.[...]

  • Pagina 106

    Take Apart Front Bezel - 3 2 Replacement Note: Guide the microphone cables through the plastic retainers before replacing the front bezel.[...]

  • Pagina 107

    Take Apart Internal Microphone - 33 Internal Microphone Before you begin, remove: • I/O door • Rear housing • Front bezel ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.[...]

  • Pagina 108

    Take Apart Internal Microphone - 34 LIft off the microphone. Replacement Note: Guide the microphone cable through the plastic cable retainers.[...]

  • Pagina 109

    Take Apart Rear EMI Shield - 35 Rear EMI Shield Before you begin, remove the following: • I/O door • Front bezel • Rear housing ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.[...]

  • Pagina 110

    Take Apart Rear EMI Shield - 36 1 Remove the three screws from the power supply side of the EMI shield.[...]

  • Pagina 111

    Take Apart Rear EMI Shield - 37 2 Remove the three screws from the analog board side of the EMI shield. 3 Remove the two screws from the top of the EMI shield. 4 Remove the two screws from the rear of the EMI shield.[...]

  • Pagina 112

    Take Apart Rear EMI Shield - 38 5 Pull back the EMI shield and remove it.[...]

  • Pagina 113

    Take Apart Speakers - 3 9 Speakers Before you begin, remove the following: • I/O door • Rear housing • Front bezel[...]

  • Pagina 114

    Take Apart Speakers - 4 0 1 Press the tab and release the speaker from the chassis slot.[...]

  • Pagina 115

    Take Apart Speakers - 4 1 2 Tilt the speaker and remove it.[...]

  • Pagina 116

    Take Apart Speakers - 4 2 Replacement Note: • The plastic speakers are printed “right” and “left.” Place the speakers accordingly as you face the monitor. • Guide the wire connecting the speakers in the channel between the monitor and chassis. • Be careful not to crimp the speaker wire as you guide it from the speaker to its analog bo[...]

  • Pagina 117

    Take Apart Hard Drive - 43 Hard Drive Before you begin, remove the I/O door. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 118

    Take Apart Hard Drive - 44 1 Using the convenience pull tab, disconnect the IDE data cable from the hard drive connector. 2 Disconnect the power cable.[...]

  • Pagina 119

    Take Apart Hard Drive - 45 3 Using needle-nose pliers, pull up the release latch and slide the IDE hard drive from the chassis. Replacement Caution: Some hard drives have sharp edges near the cable connector that can rub and, therefore, damage the cable. Avoid rubbing the cable against the edge of the drive.[...]

  • Pagina 120

    Take Apart Hard Drive - 46 Note: Perform the following steps only if you are replacing the hard drive. Note: Notice the placement of the carrier and screws before removing them. Retain the carrier and screws, and install them on the new hard drive. 4 Remove the four screws. 5 Remove the carrier from the hard drive.[...]

  • Pagina 121

    Take Apart TV Tuner - 4 7 TV Tuner Before you begin, remove the following: • I/O door • Logic board Note: The TV Tuner is an option. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 122

    Take Apart TV Tuner - 4 8 1 Remove the Phillips s c rew. 2 Slide out the TV Tuner far enough to reach the TV Tuner cable.[...]

  • Pagina 123

    Take Apart TV Tuner - 4 9 3 Disconnect the TV Tuner cable and remove the TV Tuner.[...]

  • Pagina 124

    Take Apart Power Supply - 50 Power Supply Before you begin, remove the following: • Front bezel • I/O door • Rear housing • Logic board • EMI shield ± Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.[...]

  • Pagina 125

    Take Apart Power Supply - 51 1 Remove the Phillips screws from the bottom right corner of the power supply and from the rear of the power supply.[...]

  • Pagina 126

    Take Apart Power Supply - 52 2 Slide the power supply back to clear the interlocking tab and lift it from the guide rail. 3 Support the power supply next to the guide rail, on top of the chassis.[...]

  • Pagina 127

    Take Apart Power Supply - 53 4 Disconnect the following cables: • 2-pin degauss cable from location P802 • 2-pin power supply- to-flyback connector from location P803 • 2-pin fan cable from location P808 • Power cable from location P806 • 10-pin small, ribbon connector from location P810[...]

  • Pagina 128

    Take Apart Power Supply - 54 Note: The power supply- to-analog board connectors are keyed and fit snugly. You may need to use a jeweler’s screwdriver to loosen the sockets of the following connectors: • 10-pin power supply-to analog board cable from location P805 • 4-pin power supply- to-analog board cable from location P804 • 2-pin power s[...]

  • Pagina 129

    Take Apart Video Board - 5 5 Video Board Before you begin, • Remove the rear housing • Remove the front bezel • Remove the logic board • Remove the rear EMI shield • Discharge the CRT • Remove the anode cap[...]

  • Pagina 130

    Take Apart Video Board - 5 6 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 If an adhesive glue secures the video board to the CRT, cut and peel it off before removing the board. 2 Caution: Do not attempt to disconnect the video board from the analo[...]

  • Pagina 131

    Take Apart Video Board - 5 7 by several cables and form one service unit. Pull off the video board. 3 Disconnect the ground cable on the chassis, which is connecting the video board to the fan. 4 Disconnect 2-pin degauss wire from location P901. P901 2PIN P902 1PIN[...]

  • Pagina 132

    Take Apart Analog Shield - 5 8 Analog Shield Before you begin, • Remove the rear housing • Remove the front bezel • Remove the logic board • Remove the rear EMI shield • Discharge the CRT • Remove the anode cap • Remove the video board ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious i[...]

  • Pagina 133

    Take Apart Analog Shield - 5 9 1 Remove the grounding cable and screw from the upper front corner of the analog board shield. 2 Remove the screw from the lower rear side of the analog board shield.[...]

  • Pagina 134

    Take Apart Analog Shield - 6 0 3 Slide the analog board shield back to clear the interlocking tabs and side runners. 4 Remove the analog board shield.[...]

  • Pagina 135

    Take Apart Analog Board - 6 1 Analog Board Before you begin, • Remove the front bezel • Remove the I/O door • Remove the rear housing • Remove the logic board • Remove the rear EMI shield • Discharge the CRT • Remove the anode cap • Remove the video board • Remove the analog shield[...]

  • Pagina 136

    Take Apart Analog Board - 6 2 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. Note: Do not disconnect the cables connecting the video board and the analog board. 1 Remove the screws at the lower rear of the analog board.[...]

  • Pagina 137

    Take Apart Analog Board - 6 3 2 Lift up the lower back corner of the analog board to disengage the rear bracket from the chassis slot. 3 Slide the analog board back to clear the interlocking tab and lift it from the guide rail. Important: At this point, you may need to disconnect the microphone cable to be able to slide the analog board completely [...]

  • Pagina 138

    Take Apart Analog Board - 6 4 4 Lift up the analog board just enough to clear the security rail and rest the analog board on the top of the chassis. Note: For a diagram of analog board cable connections, refer to the diagram at the end of this topic. 5 Disconnect the yoke cable at the power supply. 6 Disconnect the 2-pin power supply-to- flyback co[...]

  • Pagina 139

    Take Apart Analog Board - 6 5 Note: Do not disconnect the cables connecting the video board and the analog board. 7 Note: The power supply-to-analog board connectors are keyed and fit snugly. You may need to use a jeweler’s screwdriver to loosen the sockets of the following connectors: • 9-pin cable at P101 • 4-pin cable at P601 • 2-pin cab[...]

  • Pagina 140

    Take Apart Analog Board - 6 6 8 Disconnect the following cables from the analog board: • Microphone cable at the connector closest to the top of the CRT. • Ribbon cable at P102 • 6-pin cable at P502 • 4-pin yoke cable at P401 P401 4 PIN P102 34 PIN P502 6 PIN Microphone Cable Connector[...]

  • Pagina 141

    Take Apart Fan - 6 7 Fan Before you begin, • Remove the I/O door • Remove the rear housing • Remove the front bezel • Remove the rear EMI shield • Discharge the CRT • Remove the anode cap • Remove the video board • Remove the power supply[...]

  • Pagina 142

    Take Apart Fan - 6 8 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 Remove the fan security screw.[...]

  • Pagina 143

    Take Apart Fan - 6 9 2 Slide the fan toward the power supply to release the two tabs. 3 Remove the fan.[...]

  • Pagina 144

    Take Apart Tilt/Swivel Base - 70 Tilt/Swivel Base Before you begin, remove the following: • Front bezel • Rear housing ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.[...]

  • Pagina 145

    Take Apart Tilt/Swivel Base - 71 1 Place the display face down on a padded surface. 2 Remove the two screws at the back of the tilt/ swivel base. 3 Separate the back of the base from the metal chassis by a few inches. 4 Slide the tilt/swivel base up and remove it from the chassis.[...]

  • Pagina 146

    Take Apart Tilt/Swivel Base - 72 Replacement Note: Align the tabs at the front of the tilt/ swivel base with the slots in the chassis. Angle the tilt/ swivel base and slide in the tabs.[...]

  • Pagina 147

    Take Apart CRT - 7 3 CRT Before you begin, • Remove the I/O door • Remove the rear housing • Remove the front bezel • Remove the logic board • Discharge the CRT • Remove the rear EMI shield • Remove the analog shield • Remove the analog/video board assembly • Remove the power supply • Remove the tilt/swivel base[...]

  • Pagina 148

    Take Apart CRT - 7 4 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. ± Warning: Support the top of the CRT. The CRT is very heavy and may fall forward as you complete this procedure. 1 Remove the two screws securing the metal CRT frame to the chassis.[...]

  • Pagina 149

    Take Apart CRT - 7 5 2 Pry back the metal tab from the raised slot on each side of the chassis.[...]

  • Pagina 150

    Take Apart CRT - 7 6 3 Tilt the top of the CRT and frame ass embly forward. 4 Push back the bottom of the CRT frame to disengage the line of CRT frame and chassis tabs and slots. 5 Lift off the CRT assembly.[...]

  • Pagina 151

    Take Apart CRT - 7 7 Replacement Note: Align the line of tabs on the CRT frame with the line of slots on the front of the chassis.[...]

  • Pagina 152

    Take Apart Chassis/Wiring Harness - 78 Chassis/Wiring Harness Before you begin, • Remove the I/O door • Remove the rear housing • Remove the front bezel • Remove the CD-ROM drive, if any • Remove the TV Tuner, if any • Remove the floppy drive • Remove the front-panel control board • Remove the logic board • Remove the rear EMI shi[...]

  • Pagina 153

    Take Apart Chassis/Wiring Harness - 79 • Discharge the CRT • Remove the analog shield • Remove the analog/video board assembly • Remove the power supply • Remove the tilt/swivel base • Remove the CRT • Remove the fan Remove the chassis/wiring harness. : The chassis/wiring harness includes the metal chassis, plastic drive bays, and the[...]

  • Pagina 154

    Service Source K Upgrades Po wer Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 155

    Upgrades TV or TV/FM Tuner - 1 TV or TV/FM Tuner Before you begin, remove the following: • I/O door • Logic board Note: The TV Tuner is an option. Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 156

    Upgrades TV or TV/FM Tuner - 2 1 Remove the Philips screw. 2 Lift off the metal bracket from the chassis.[...]

  • Pagina 157

    Upgrades TV or TV/FM Tuner - 3 3 Connect the TV Tuner cable. 4 Slide the TV Tuner into place.[...]

  • Pagina 158

    Upgrades SIMM Upgrade - 4 SIMM Upgrade Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. 1 Align the SIMM in the SIMM slot and snap it into place. SIMM DRAM SIMM Slot (1 of 2) Logic Board[...]

  • Pagina 159

    Upgrades SIMM Upgrade - 5 Note: The plastic pin on the SIMM slot should engage the hole in the SIMM. Note: Verify that the clips on both sides of the SIMM slot snap into place. Clips[...]

  • Pagina 160

    Upgrades Communications Card Installation - 6 Communications Card Installation Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Note: This procedure shows installing a modem card, but the steps are similar for other communications cards you might be installing.[...]

  • Pagina 161

    Upgrades Communications Card Installation - 7 1 Remove the communications card access cover by pushing the two plastic tabs apart and removing the metal shield. Communication Slot Two Plastic Tabs Logic Board Fence Metal Shield[...]

  • Pagina 162

    Upgrades Communications Card Installation - 8 2 Angle the hook-end of the card down and bring the hook under and up through the communications card access port. The hook should rest against the outside of the logic board fence. Communication Slot Logic Board Fence Hook Communications Card Access Port[...]

  • Pagina 163

    Upgrades Communications Card Installation - 9 Replacement Note: If you are installing an Ethernet card and its fence does not include a hook, replace the fence. 3 Remove the card. 4 Remove the two card fence screws. 5 Remove the old fence. 6 Install the replace- ment fence on the card. Note: If the Ethernet card fence does not include a hook and is[...]

  • Pagina 164

    Upgrades Communications Card Installation - 1 0 7 Insert the card connector into the communications slot. Note: Be sure the hook remains against the outside of the logic board fence. 8 Reset the logic board following the procedure in “Logic Board Reset” in the Additional Procedures chapter. Communication slot Card connector Hook Logic Board Fen[...]

  • Pagina 165

    Upgrades External Video Connector - 1 1 External Video Connector Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety.[...]

  • Pagina 166

    Upgrades External Video Connector - 1 2 Note: The Apple External Video Connector provides “mirroring” or display of the system’s monitor screen on a presentation screen. In addition to the ribbon cable with card and the connector, the Apple External Video Connector kit includes a metal access shield, a plastic access cover, and two jack nuts.[...]

  • Pagina 167

    Upgrades External Video Connector - 1 3 1 Remove the plastic access cover fro m the logic board fence. 2 Lift the metal access shield up and out. Metal Access Shield Plastic Access Cover Fence External Video Slot Logic Board External Video Connector Port[...]

  • Pagina 168

    Upgrades External Video Connector - 1 4 3 Insert the slotted metal access shield that came with the External Video Connector kit. Note: Make sure the bottom of the metal shield engages the two small hooks on the logic board fence. 4 Insert the card at the end of the ribbon cable into the external video slot on the logic board. Note: The pins will f[...]

  • Pagina 169

    Upgrades External Video Connector - 1 5 5 Insert the connector end of the ribbon cable through the slotted opening of the shield and fence. 6 Secure it with the jack nuts. Note: Fold the ribbon cable to avoid crimping. 7 Insert the slotted plastic access cover that came with the kit. Caution: The external video connector cable can sometimes rise up[...]

  • Pagina 170

    Upgrades External Video Connector - 1 6 the fan, which causes a rattling sound. To avoid this, be sure to fold or press the cable down flat.[...]

  • Pagina 171

    Upgrades L2 Cache Installation - 17 L2 Cache Installation Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Align the notches in the L2 cache card with the small ribs inside the L2 cache slot. Snap the card into place on the logic board. Notches L2 Cache Slot L2 Cache Card[...]

  • Pagina 172

    Upgrades L C PDS Card Installation - 1 8 LC PDS Card Installation Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. 1 Remove the access cover from the LC PDS port. 2 Angle the connector end of the LC PDS card into the LC PDS port, and snap the card into place. LC PDS Slot [...]

  • Pagina 173

    Service Source K Additional Procedures Po wer Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 174

    Additional Procedures Battery Verification - 1 Battery Verification Before you begin, remove the following: • I/O door • Logic board • Battery Caution: Review the ESD precautions in Bulletins/ Safety. Ê Battery Logic Board[...]

  • Pagina 175

    Additional Procedures Battery Verification - 2 1 Se t the voltmeter to the 10 V DC scale. 2 Hold the positive probe of the voltmeter to the positive end of the battery and the negative probe to the negative end of the battery. 3 If the battery voltage is below 3.0 V, replace the battery. Refer to “Battery Replacement” in this chapter. Positive [...]

  • Pagina 176

    Additional Procedures Battery Replacement - 3 Battery Replacement Before you begin, remove the follo wing: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Ê Battery Logic Board[...]

  • Pagina 177

    Additional Procedures Battery Replacement - 4 1 Pull up and disconnect the conne ctor. 2 Pull up and remove the battery from its hook- and-loop base.[...]

  • Pagina 178

    Additional Procedures Cuda Chip Reset - 5 Cuda Chip Reset Before you begin, remove the fo llowing: • Power cord • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Press the Cuda reset switch on the logic board using a flat plastic tool. Cuda Reset Button 5260/5280[...]

  • Pagina 179

    Additional Procedures Logic Board Reset - 6 Logic Board Reset Before you begin, remove the following: • Power cord • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Battery Logic Board[...]

  • Pagina 180

    Additional Procedures Logic Board Reset - 7 1 Pull up and disconnect the connector. 2 Pull up and remove the battery from its hook- and-loop base. 3 Wait 5 to10 minutes, and then replace battery.[...]

  • Pagina 181

    Additional Procedures Logic Board Reset - 8 4 Press the Cuda reset switch on the logic board using a flat plastic tool. 5 Align the logic board at an upward angle to clear EMI clips. 6 Fully seat the logic board in the enclosure. 7 Replace the I/O door and power cable. Note: This procedure resets PRAM. Be sure to check the computer’s time/date an[...]

  • Pagina 182

    Additional Procedures Logic Board Reset - 9 Note: If this procedure resolves the problem, claim an adjustment on an SRO. If not, replace defective component and do not claim the adjustment.[...]

  • Pagina 183

    Service Source K Adjustments Po wer Macintosh/Performa 5260, 5280 Series[...]

  • Pagina 184

    5260 and 5280 Adjustments Light Meter Setup - 1 Light Meter Setup This topic covers setup for three light meter models: R77, L-248, and 246. Model R77 (Apple part number 076-0310) is the newest model available. Model R77 The R77 light meter is capable of reading luminance from 10 to 1,000 footcandles (fc). Before you begin, remove the 10X multiplie[...]

  • Pagina 185

    5260 and 5280 Adjustments Light Meter Setup - 2 from the lens. Three scales are shown on the light meter: • 200-1000 fc • 50-250 fc • 10-50 fc Because display screen luminance typically ranges from 10 to 50 fc, take readings from the bottom scale only.[...]

  • Pagina 186

    5260 and 5280 Adjustments Light Meter Setup - 3 To measure a display screen’s luminance, 1 Set the scale switch to the bottom position (to set up the 10-50 fc scale). 2 Place the lens against the middle of the screen and read the bottom scale. Note: When the light meter is not in use, slide the scale switch to its top position, and store the mete[...]

  • Pagina 187

    5260 and 5280 Adjustments Light Meter Setup - 4 readings, verify the readings with a known-good light meter or photometer. Also check the age of the R77 light meter by its four-digit manufacturing date stamp (such as 0398 for March 1998). Caution: Dropping the meter can permanently damage its accuracy. A shock-damaged meter might read incorrectly o[...]

  • Pagina 188

    5260 and 5280 Adjustments Light Meter Setup - 5 Model L-248 1 Press the red button on the back of the light meter. If the reading is out of the red area, replace the battery. 2 Move the side switch to its lower position so that the scale reads 2 through 10. 3 Uncover the lens of the meter. 4 Place the lens against the middle of the screen and press[...]

  • Pagina 189

    5260 and 5280 Adjustments Light Meter Setup - 6 Model 246 1 Remove the metal slide, if installed, from the top of the light meter. 2 Install the white lens with the red dot. 3 Rotate the swivel head so the lens of the meter faces the monitor. 4 Place the lens against the middle of the screen and read the scale. Lens Swivel Head Scale[...]

  • Pagina 190

    5260 and 5280 Adjustments Geometry - 7 Geometry Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. ± W arning: Do not use metal alignment tools—they are a shock hazard. Yoke Flyback Transformer Anode Cap and A[...]

  • Pagina 191

    5260 and 5280 Adjustments Geometry - 8 Note: The controls on this monitor require a small plastic Phillips-head tool or a small plastic flat-head tool to make adjustments. Adjustment Controls R410 R320 Adjustment Controls Screen Control FocusControl Flyback Transformer[...]

  • Pagina 192

    5260 and 5280 Adjustments Geometry - 9 Horizontal Shift 1 Run Display Service Utility from the Utilities folder of the MacTest Pro CD to display the All- White Screen. 2 Using a flat-blade plastic tool, adjust the horizontal shift control (R410) until the raster is centered (left to right) in the display area. R410 Horizontal Shift Control All-Whit[...]

  • Pagina 193

    5260 and 5280 Adjustments Geometry - 1 0 V ertical Shift 1 Run Display Service Utility from the Utilities folder of the MacTest Pro CD to display the All- White Screen. 2 Using a flat-head plastic adjustment tool, adjust the vertical shift (R320) control until the raster is centered (top to bottom) in the display area. R320 Vertical Shift Control A[...]

  • Pagina 194

    5260 and 5280 Adjustments Geometry - 1 1 Horizontal Size 1 Run Display Service Utility to display the All-White Screen Test Pattern. 2 Using a flat-blade plastic tool, adjust the Horizontal Size 2 control (R440) until the raster width is 9.5 inches (± 1/8 inch) or 240 mm (± 2 mm) Horizontal Size 2 Control (R440) Run Display Service Utility All-Wh[...]

  • Pagina 195

    5260 and 5280 Adjustments Geometry - 1 2 V ertical Size 1 Run Display Service Utility to display the All-White Screen Test Pattern. 2 Using a flat-blade plastic tool, adjust the vertical size 1 control (R327) until the raster height is 7.3 inches (± 1/8 inch) or 185 mm (± 2 mm). Vertical Size 1 Control (R327) Run Display Service Utility All-White[...]

  • Pagina 196

    5260 and 5280 Adjustments Geometry - 1 3 F ocus 1 Run Display Service Utility to display the Focus test pattern. 2 Using a flat-head plastic adjustment tool, adjust the focus control on the flyback transformer until the Focus test pattern reaches the best center-of-screen performance. Focus Control Flyback Transformer Run Display Service Utility Fo[...]

  • Pagina 197

    5260 and 5280 Adjustments Geometry - 1 4 Con vergence Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 Run Display Service Utility to display the Crosshatch 1 Test Pattern. Yoke Flyback Transformer Anode Cap [...]

  • Pagina 198

    5260 and 5280 Adjustments Geometry - 1 5 Important: Use a fine-tip plastic adjustment tool for the following adjustments. 2 Adjust the Yv control (yoke-mounted vertical dynamic convergence) for best convergence of vertical lines at the top and bottom of the screen. 3 Adjust the Yhc control (yoke-mounted horizontal dynamic convergence) for best conv[...]

  • Pagina 199

    5260 and 5280 Adjustments Geometry - 1 6 Geometric Distortion Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 Run Display Service Utility to display the Crosshatch 1 Test Pattern. Crosshatch 1 Test Pattern R[...]

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    5260 and 5280 Adjustments Geometry - 1 7 Important: Use a fine-tip plastic adjustment tool for the following adjustments. 2 If the raster is barrel- shaped, adjust the Pincushion (E/W 2) control. 3 If the raster is narrower or wider at top than bottom, adjust the Keystone (R438) control. Keystone Control (R438) Pincushion Control (E/W 2)[...]

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    5260 and 5280 Adjustments Video - 1 8 Video Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. Replacement Note: Perform the Cutoff/White Balance Adjustment when you replace the CRT or analog board, or if the scr[...]

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    5260 and 5280 Adjustments Video - 1 9 Note: Perform the Cutoff/ White Balance adjustments after the display has been on for at least 10 minutes. 1 Open the Screen control panel. 2 Set the Screen Brightness slider control to its midpoint. 3 Set the Screen Contrast slider control to its maximum (far right) position. 4 Run Display Service Utility to d[...]

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    5260 and 5280 Adjustments Video - 2 0 Important: Use a fine-tip plastic adjustment tool for the following adjustments. 5 Set the following controls to their midpoints: • Green Bias (R940) • Red Bias (R910) • Blue Bias (R970) • Blue Drive (R561) • Green Drive (R531) • Red Drive (R501) • Sub-Brightness (R500) R500 Sub-Brightness Control[...]

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    5260 and 5280 Adjustments Video - 2 1 6 Set R437 to its midpoint. 7 Run Display Service Utility to display the Gray Bars test pattern. (R437) Run Display Service Utility Gray Bars Test Pattern[...]

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    5260 and 5280 Adjustments Video - 2 2 8 Adjust the Screen control on the flyback transformer very slowly until the first bar (furthest on left) is solid black and the bar to its immediate right is very dark. Flyback Transformer Gray Bars Test Pattern Screen Control[...]

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    5260 and 5280 Adjustments Video - 2 3 9 Open the Screen control panel. 1 0 Set the Screen Contrast slider control to its midpoint. Screen Screen Control Panel Screen Brightness Screen Contrast[...]

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    5260 and 5280 Adjustments Video - 2 4 11 Run Display Service Utility to display the Gray Bars Test Pattern. 12 Note: Ensure that the left-most bar remains solid black while performing this step. Adjust the red and green Bias controls to neutralize the darkest bars (left side) of the Gray Bars Test Pattern. Run Display Service Utility Green Bias (R9[...]

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    5260 and 5280 Adjustments Video - 2 5 Note: If the screen shows a predominant blue color, adjust the green Bias control (R940) until the blue color is neutralized. Note: Adjust the red Bias control (R910) until the bars appear to be shades of gray. Run Display Service Utility Green Bias (R940) Red Bias (R910) Gray Bars Test Pattern Screen Screen Co[...]

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    5260 and 5280 Adjustments Video - 2 6 1 3 Open the Screen control panel. 1 4 Set the Screen Contrast slider control to its maximum (far right) position. Note: At this point, the screen might appear too bright and out of focus. 15 Run Display Service Utility to display the Gray Bars Test Pattern. Screen Screen Brightness Screen Contrast Run Display [...]

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    5260 and 5280 Adjustments Video - 2 7 1 6 If the screen shows a predominant blue color, adjust the Green Drive Control (R531) until the blue color is neutralized. 1 7 Adjust the Red Drive Control (R501) until the bars appear to be shades of gray. Run Display Service Utility R501 Red Drive Control R531 Green Drive Control (Drivers Located Inside Ana[...]

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    5260 and 5280 Adjustments Video - 2 8 18 Run Display Service Utility to display the All-White Screen Test Pattern. 1 9 Hold a light meter or photometer against the center of the screen. Run Display Service Utility All-White Screen Test Pattern[...]

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    5260 and 5280 Adjustments Video - 2 9 2 0 Adjust the Sub- Brightness control (R500) to decrease the brightness until the screen luminance measures one of the following: • 20 ±3 on the bottom scale of light meter Model R77 • 20 ±3 foot candles on the red scale of light meter Model 246 • 25 fl (foot lamberts) on a photometer • Between 9 and[...]

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    5260 and 5280 Adjustments Power Supply - 30 Power Supply Note: This adjustment must be performed whenever the analog board or power supply are removed. 1 Connect the DC voltmeter ground lead to the metal chassis. 2 Connect the other lead of the DC voltmeter to pin 3 of connector P805 on the power supply. P805 Pin 1[...]

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    5260 and 5280 Adjustments Power Supply - 31 3 Adjust control R828 so that the voltmeter reads 110 VDC. R828[...]

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    Service Source K Exploded V ie w Po wer Macintosh/Performa 5260, 5280 Series[...]

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    Exploded View 1 Power Supply Board 661-1133 Analog/Video Board Assembly 661-1134 CRT Assembly 661-1135 I/O Door 922-2190 Rear Housing 922-2156 Speakers 922-2644 Internal Microphone 922-2044 Front Bezel 922-2155 Drive Bezel 922-1398 Logic Board 661-1265 (120 MHz) 661-1116 (100 MHz) TV Tuner Card 661-0160 Fan 922-1391 Analog Card Guides 922-1177 (Rig[...]