Canon LV-7105U/D78-5132 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Canon LV-7105U/D78-5132. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Canon LV-7105U/D78-5132 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Canon LV-7105U/D78-5132 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Canon LV-7105U/D78-5132, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Canon LV-7105U/D78-5132 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Canon LV-7105U/D78-5132
- nombre de fabricante y año de fabricación del dispositivo Canon LV-7105U/D78-5132
- condiciones de uso, configuración y mantenimiento del dispositivo Canon LV-7105U/D78-5132
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Canon LV-7105U/D78-5132 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Canon LV-7105U/D78-5132 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Canon en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Canon LV-7105U/D78-5132, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Canon LV-7105U/D78-5132, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Canon LV-7105U/D78-5132. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    SER VICE MANU AL English Edition L V -7105U/D78-5132 L V -7105E/D78-5133 By Portable Document Format 1 General 0 PREF ACE 2 Repair 3 Adjustment 4 T roubleshooting 5 Parts Catalog 6 Electrical Diagrams T o Contents DY8-1785-131 500[...]

  • Página 2

    [...]

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    CANON Multimedia Projector L V -7105U D78-5132 L V -7105E D78-5133 SER VICE S MANUAL[...]

  • Página 4

    Technical Documents Application This CD-ROM is issued by Canon Inc. for qualified persons to learn technical theory and product repair. This CD-ROM covers all localities where the products are sold. For this reason, there may be information in this CD-ROM that does not apply to the product sold in your locality. The following paragraph does not app[...]

  • Página 5

    PREF ACE 1. Service Manual Composition This manual contains information on servicing the product. It has the following sections. Part 1 General Information Provides the basic information needed to understand the product. (Operating instructions are not included. Refer to the product's instruction book if necessary.) Part 2 Repair Information P[...]

  • Página 6

    3. T ools & T est Equipment 1) General Purpose T ools 2) T est Equipment (Local Purchase) 3) Other Equipment (Local Purchase) 4) Chart/Software (Attached with this manual) Description Tool No. Remarks Ball Driver, 2.0mm hex CY9-5002-000 Optical Parts Removal & Adjustment Hex Key Set (w/2.0mm) CY9-5007-000 Optical Parts Removal & Adjustm[...]

  • Página 7

    CONTENTS Page Part 1: General Information 1. FEATURES .......................................................................................................1-1 1.1 Development objectives ............................................................................1-1 1.2 Major Features ...............................................................[...]

  • Página 8

    3.6 Line Filter Board Removal ........................................................................2-7 3.7 Lamp Ballast Unit Fan (FN905) Removal .................................................2-8 3.8 Power Board Removal ..............................................................................2-8 3.9 Optical Unit and Fan (FN901) Removal ..[...]

  • Página 9

    4. TEST POINTS AND LOCATIONS .................................................................... 3-20 Part 4: T roubleshooting 1. TROUBLESHOOTING ......................................................................................4-1 1.1 No Power ..................................................................................................4-[...]

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    [...]

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    Part 1 General Information[...]

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    [...]

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    1. FEA TURES 1.1 Development objectives As multimedia capabilities become increasingly more important, the liquid crystal projector market is showing continued growth. In the business world, liquid crystal projectors are becoming an indispensable presentation tool. Most liquid crystal projectors that are used in event halls or large conference room[...]

  • Página 14

    1.2 Major Features ● Compact, lightweight 2.8kg/B5 file size micro-portable type Real XGA compatible, class-leading 800 ANSI lumen output ● Supports HDTV&DVD component input Beautiful image reproduction with minimal burring of color ● Equiped with Digital Keystone function Smoothly corrects for "keystone" effect caused by projec[...]

  • Página 15

    1.3 L V -7105 Features (Details) ● Brightest in the SVGA Micro Projector class - 800 ANSI Lumens 1) Large screen presentation even in brightly lit conference rooms 2) 120W UHP short arc lamp for bright images with great color balance 3) Newly developed large apature projection lens (f=28.8-34.5mm/F1.7-1.9) ● Real projection XGA (1024 x 768 pixe[...]

  • Página 16

    ● Noise is cut in the absence of a signal - Blue Back function. ● Impressive image size - up to 200 inches. ● Reverse image function allows the unit to be suspended from the ceiling or used as a rear-screen projector. ● Reduced lamp problems (Replace Lamp Indication) 1) The replace lamp indicator shows when it is time for a change. 2) Lamp [...]

  • Página 17

    Part 1: General Information 1-5 2. L V -7105 SPECIFICA TIONS 2.1 Main unit 1. Type: Micro-portable LCD Projector 2. LCD panel: 0.7" polysilicon active matrix TFT x 3 4:3 aspect ratio 3. Number of pixels: 786,432 pixels (1024 H x 768 V) x 3 4. Resolution of display supported: SXGA (compression)/XGA/SVGA/VGA 5. Light source: 132W UHP lamp 6. Bri[...]

  • Página 18

    18. Scanning frequency: 15KHz to 100KHz for horizontal sync. 50Hz to 100Hz for vertical sync. Up to 140MHz for dot clock 19. Audio output: 1W monaural 20. Built-in speaker: 40mm x 30mm (1.57" x 1.18"), x 1 21. Rated supply voltage: 100V AC, 50 / 60Hz (Japan) 100 to 120V AC / 200 to 240V AC, 50 / 60Hz (overseas) 22. Power consumption: 210W[...]

  • Página 19

    3. NOMENCLA TURE 3.1 Main unit Part 1: General Information 1-7 Power Cord Connector Projection Lens Speaker Infrared Remote Receiver Lens Cover Air Intake Vent Zoom ring Focus Ring Foot Lock Latch Exhaust Vent Air Intake Vent Air Intake Vent Lamp Cover Air Filter Adjustable Foot Terminals and Connectors F ig . 1-2[...]

  • Página 20

    3.2 T op controls Part 1: General Information 1-8 WIDE TE L E PO WE R M EN U MO D E NO R MA L LA MP RE PL A CE W ARN IN G TE MP . RE AD Y LA M P FOCUS RING T ur n this ring to adjust the projected picture focus . W ARNING TEMP . INDICA T OR This indicator flashes red when internal projector temperature is too high. MENU BUTT ON Use to open or close[...]

  • Página 21

    3.3 Rear panel terminals Part 1: General Information 1-9 C O M P UT E R I N S – V I D E O C O MP UT E R C O NT RO L P OR T R E SE T A U DI O I N A V Y – Pb/Cb – Pr/Cr A U DI O O UT V ID E O RESET BUTT ON The micro processor may malfunction and need to rest. This can be done by pressing the Reset button with a pen, which will shut down and res[...]

  • Página 22

    3.4 Computer Input terminal Connect the display output terminal of the computer to this terminal with the VGA Cable (attached). When connecting the Macintosh computer, the MAC Adapter (optional) is required. 3.5 Control port connector When controlling the computer with the remote control of this projector, connect the mouse port of the personal com[...]

  • Página 23

    3.6 Remote control Part 1: General Information 1-11 VOLUME POWER D.ZOO M KEYST ONE VIDEO MENU MUTE P-TIMER NO SH OW FREEZE AUTO IMAG E NORMAL COMPU TER ON ALL O FF D .ZOOM BUTT ON KEYST ONE BUTT ON Used to correct the ke ystone distor tion. MUTE BUTT ON MENU BUTT ON POINT BUTT ON Used to mov e a pointer on the menu, to adjust the item, or to pan th[...]

  • Página 24

    3.7 Operating range Point the remote control toward the projector (receiver's window) when pressing the buttons. Maximum operating range for the remote control is approximately 5m (16.4') and 60˚ in front of the projector. Precautions • Prevent the direct sunlight or strong light from lighting apparatus from striking the infrared remot[...]

  • Página 25

    4. COMMENT AR Y 4.1 External appearance design This product follows the same design concept and coloring as the earlier models, LV- 7325/LV-7320 to establish a unified image for Canon Multimedia Projectors. Some of the major design points, which are basically the same as the other Canon Multimedia Projectors, are outlined below. ● External Stylin[...]

  • Página 26

    ● All lenses are made from lead-free glass All lenses are made from environmentally friendly lead-free glass. 4.3 Hybrid gamma correction Hybrid gamma correction is a new feature. It combines digital gamma correction and analog gamma correction, and takes advantage of the characteristics* of both. Using the on-screen menu, the user can take advan[...]

  • Página 27

    Part 1: General Information 1-15 F ig . 1-9[...]

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    5. CONNECTING 5.1 Connection to the computer Part 1: General Information 1-16 C O M P U T E R I N S – V I D EO CO MPU TER CO NTR OL POR T RE SET A UDI O IN A V Y – Pb/Cb – Pr/Cr AU DIO OUT V I D E O 1 3 " M O D E (6 40 x 4 80 ) 1 6 " M O D E (8 32 x 6 24 ) 1 9 " M O D E (1 02 4 x 7 68 ) O F F O N O N O N O N O N O N O F F O F F[...]

  • Página 29

    5.2 Connecting to the video equipment Part 1: General Information 1-17 C O M P U T E R I N S — V I D EO CO MP UT ER CO NT R O L PO R T RE SE T A UD IO IN A V Y — Pb/Cb — Pr/Cr A UD IO O UT V I D E O Video Cable (Not supplied) S-VIDEO Output Audio Input Audio Output Y Pb/Cb Pr/Cr R L AV AUDIO IN S-VIDEO Y-Pb/Cb-Pr/Cr VIDEO AUDIO OUT Composite [...]

  • Página 30

    6. SETTING-UP THE PROJECT OR 6.1 Positioning the projector This projector is designed to project on a flat projection surface. The projector can be focused from 1.6m (5.2') to 8.0m (26.3'). Refer to the figure below to adjust the screen size. 6.2 Installation precautions 1) Temperature of air discharged from exhaust vent Hot air is discha[...]

  • Página 31

    Part 1: General Information 1-19 in blurred images. 6) Screen and room brightness Do not install the projector where sunlight or lighting directly strikes on the screen. If sunlight or light from lighting strikes on the screen, image will appear whitish and difficult-to-view.[...]

  • Página 32

    7. SUPPORTED COMPUTER SYSTEM MODE The projector judges the incoming signal from the connected personal computer and automatically selects the appropriate system mode. Some models cannot be selected depending on the computer. In this case, the message Go to PC adj . is displayed at the system box on the menu bar. (Adjust and set the computer system [...]

  • Página 33

    Part 2 Repair Information[...]

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    [...]

  • Página 35

    1. SAFETY INSTRUCTIONS Part 2: Repair Information 2-1 WARNING: The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is identified with the line ( ) in the schematic diagram. For c[...]

  • Página 36

    2. CIRCUIT PROTECTIONS This projector is equipped with the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits. 2.1 Fuse The fuse is located inside of the projector. When either the LAMP indicator or the READY indicat[...]

  • Página 37

    2.3 W arning T emperature and Power Failure Protection The TEMP WARNING indicator flashes red and the projector will automatically turn off when the internal temperature of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power supply lines are failed. Check the following possible causes and wait until[...]

  • Página 38

    Part 2: Repair Information 2-4 CAUTION Do not operate the projector with the air filter removed. The dust is stuck on the LCD panel and the mirror, and it may spoil the fine picture image. Do not put the small parts into the air filter intake vents. It result in the malfunction of the projector. The air filter is small parts. Take care that childre[...]

  • Página 39

    3. MECHANICAL DISASSEMBLIES Mechanical disassemble should be made following procedures in numerical order. Following steps show the basic procedures, therefore unnecessary step may be ignored. 3.1 Cabinet T op Removal (1) Remove 5 screws. (2) Remove 2 screws A of the Cabinet Front (bottom part). See Fig. 2-5 (3) Pull the lower part of the Cabinet F[...]

  • Página 40

    3.3 Main Board Removal 1. Remove 9 screws and remove the main board upward. 3.4 Fuse Removal 1. Remove a screw and pull the line filter cover upward and then replace the fuse if required. Part 2: Repair Information 2-6 F ig . 2-6 F ig . 2-7 Main Board Line Filter Cover Fuse[...]

  • Página 41

    3.5 A V and Component Board Removal 1. Remove 3 screws A and FPC cables, and then take the component board off upward. 2. Remove a screw B and a grounding lead, and then take the AV board ass’y off upward. 3.6 Line Filter Board Removal 1. Remove a screw A and remove a grounding lead. 2. Remove 2 screws B and take the line filter ass’y off upwar[...]

  • Página 42

    3.7 Lamp Ballast Unit Fan (FN905) Removal 1. Disconnect the thermal switch sockets. 2. Remove a screw A and disconnect the lamp socket. 3. Remove 2 screws B (bottom side) and a screw C , and the remove the lamp ballast unit upward. 4. Take the cover off from the lamp ballast unit and remove 4 screws D and take the lamp ballast board off from the ho[...]

  • Página 43

    3.9 Optical Unit and Fan (FN901) Removal 1. Remove 2 screws A and the thermal switch. 2. Remove a screw B and disconnect the lamp socket. 3. Remove 7 screws C and pull the optical unit upward. 4. Remove 2 screws D and fan (FN901). 3.10 Audio Amp. Board Removal 1. Remove a screw A (bottom side) and 2 screws B, and then pull the power unit holder upw[...]

  • Página 44

    3.1 1 Fans (FN902, FN903, FN904) Removal 1. Remove 4 screws A and 3 screws B and remove the duct cover and fans (FN902 and FN903). 2. Remove 2 screws C and fan (FN904), and remove 2 screws D and fan holder. 3.12 AC Inlet Ass’y Removal 1. Remove a screw A and a grounding lead. 2. Remove 2 screws B and pull the AC inlet ass’y upward. Part 2: Repa[...]

  • Página 45

    4. OPTICAL P ARTS DISASSEMBLIES 4.1 Projection Lens Removal 1. Remove the Cabinet top and cabinet front following to “Mechanical Disassemblies”. 2. Remove 4 screws and remove the Projection Lens. 4.2 Optical Unit T op Removal 1. Remove the Cabinet top, front, main board, component boards and power unit cover following to “Mechanical Disassemb[...]

  • Página 46

    4.3 Integrator Lens Ass’y Disassembly 1. Remove the cabinet top, front and main board following to “Mechanical Disassemblies”. 2. Remove 2 screws A and take the integrator lens ass’y off upward. 3. Release 4 hooks B on the holder and remove the integrator lens. 4.4 Relay Lens Ass’y Disassembly 1. Remove the cabinet top, front, main and co[...]

  • Página 47

    4.5 Polarized Glass-in Ass’y Disassembly 1. Remove the cabinet top, front, main and component boards following to “Mechanical Disassemblies”. 2. Remove each screw and take the each polarized glass-in ass’y off upward. 3. Release 2 hooks and remove the polarized glass-in. 4.6 Polarized Glass-out Ass’y Disassembly 1. Remove the cabinet top,[...]

  • Página 48

    4.7 Locations and Directions When the optical parts mounting or assembling, the parts must be mounted in the specified location and direction. Please follow to the figure below. Part 2: Repair Information 2-14 1 Prism ass’y 12 Relay lens (OUT) 2 Integrator lens (IN) 13 Relay lens (IN) 3 Integrator lens (OUT) 14 Dichroic mirror (G) 4 Prism Ass’y[...]

  • Página 49

    5. LCD P ANEL/PRISM ASS’Y REPLACEMENT 5.1 LCD Panel/Prism Ass’y Removal 1. Remove the cabinet top, front and main board following to “Mechanical Disassemblies”. 2. Remove 4 screws by using the 2.0 mm hex driver and take the LCD Panel/Prism ass’y off upward from the optical unit. Part 2: Repair Information 2-15 LCD panels used for this mod[...]

  • Página 50

    5.2 Note on LCD Panel/Prism Ass’y Mounting After replacing or installing the LCD Panel/Prism ass'y, please make sure to obtain the best focus in both TELE and WIDE zoom. If the focus adjustment is required, please adjust the positioning of LCD Panel/Prism Ass’y by following the below procedure. Mounting Procedure 1. Loosen 4 screws A on th[...]

  • Página 51

    6. CLEANING Cleaning with air spray 1. Remove the cabinet top following to “Mechanical Disassemblies”. 2. Clean up the LCD panel and polarizing plate by using the air spray from the cabinet top opening. Disassembly cleaning Disassembly cleaning method should only be performed when the unit is considerable dirty and cannot be sufficiently cleane[...]

  • Página 52

    Part 2: Repair Information 2-18 7. LAMP REPLACEMENT Procedure 1. Turn off the projector and disconnect the AC cord. Allow the projector to cool for at lease 45 minutes. 2. Remove a screw with a screwdriver and remove the lamp cover. 3. Remove 2 screws and pull out the lamp assembly by grasping the handle. 4. Replace the lamp assembly securely and t[...]

  • Página 53

    Recommendation Should the air filter become clogged with dust particles, it will reduce the cooling fan’s effectiveness and may result in internal heat build up and short lamp life. We recommend cleaning the air filter after the projection lamp is replaced. Refer to “Air Filter Cleaning”. How to check the accumulated illumination time The LAM[...]

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    [...]

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    Part 3 Adjustment[...]

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    [...]

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    1. BEFORE ADJUSTMENTS Part 3: Adjustment 3-1 IC302 on the main board stores the data for the service adjustments, and should not be replaced except for the case of defective device. If replaced, it should be performed the re-adjustments following to the “Electrical Adjustments”. The data of lamp replacement monitor timer is stored in the IC302.[...]

  • Página 58

    1.1 Adjustments after Parts Replacement Part 3: Adjustment 3-2 Integrator Lens Adjustment ❍ ● Relay Lens Adjustment ❍ ● Contrast Adjustment R-Contrast adjustment ● G-Contrast adjustment ● B-Contrast adjustment ● Output voltage adjustment ● FAN voltage adjustment ● ● PC offset adjustment ● PC gain adjustment ● Component gain [...]

  • Página 59

    1.2 Service Adjustment Menu Operation T o enter the service mode To enter to the “Service Mode”, press and hold the MENU and NORMAL button on the projector at the same time for more than 3 seconds. The service mode display appears on the screen as follows. T o adjust service data Select the adjustment item no. by pressing the pointer or button,[...]

  • Página 60

    1.3 Service Conditions When you carry out the electrical, optical service adjustment or repairing with cabinet top removal, it should be done under the service conditions listed below. If you can not keep the one of following conditions, the projector turns off automatically by operating the protection circuit. To set the Fan Control to maximum, fo[...]

  • Página 61

    Part 3: Adjustment 3-5 1.4 Service Adjustment Data T able PC CV or S Y/Cb/Cr 0 RGB AMP (Gamma OFF) ✻ 45 45 0 - 63 Same as No.1of RGB AMP(Gamma ON) 1 RGB AMP (Gamma ON) 45 45 To up/down R/G/B of Gamma at same time system stop up/down, when R, G or B value reached Max or Min value. 2 S&H Test pattern display position 2 0 - 12 Test pattern displ[...]

  • Página 62

    Part 3: Adjustment 3-6 For Fan Control 283 Ter 3 0 - 31 284 t 2 2 - 5 Temperature checking period, 0.5/1.0/1.5/2.0/2.5/3.0 sec. 285 TaH 50 0 - 255 286 TaL 43 0 - 255 287 TbH 43 0 - 255 288 TbL 36 0 - 255 289 Th 12 0 - 255 290 Not used 291 Sub Sharpness (YCbCr) 8 0 - 15 Refer to User control spec 292 Sub Tint (Video) 0 0 - 191 Refer to User control [...]

  • Página 63

    2. ELECTRICAL ADJUSTMENTS [Adjustment condition] • Input signal Video signal: 1.0Vp-p/75 Ω terminated, 16 steps gray scale (Composite video signal) Component Video signal: 0.7Vp-p/75 Ω terminated, 16 steps gray scale (Component video signal with 480i, 480p, 575p, 720p, 1035i or 1080i format) Computer signal: 0.7Vp-p/75 Ω terminated, 16 step[...]

  • Página 64

    2.3 PC-Offset Adjustment 1. Receive the 16-step gray scale computer signal. 2. Set to COMPUTER mode. [R-Offset adjustment] 3. Connect an oscilloscope to test point “TP2211R” (+) and chassis ground (-). 4. Enter to the service mode, select item no. “275” and change data value to adjust the pedestal level and black level to be same level. [G-[...]

  • Página 65

    2.5 Component Gain Adjustment 1. Receive the 16-step gray scale component video signal. 2. Set to VIDEO (Component) mode. [Component-R gain adjustment] 3. Connect an oscilloscope to test point “TP2211R” (+) and chassis ground (-). 4. Enter to the service mode, select item no. “30” and change data value to adjust “a” to be 1.05 ±0.01Vp-[...]

  • Página 66

    2.6 A V Gain Adjustment 1. Receive the 16-step gray scale video signal. 2. Set to VIDEO mode. 3. Connect an oscilloscope to test point “TP2221G” (+) and chassis ground (-). 4. Enter to the service mode, select item no. “30” and change data value to adjust “a” to be 1.05 ±0.01Vp-p. 2.7 PSIG Adjustment 1. Receive the 16-step gray scale c[...]

  • Página 67

    2.8 Signal Center Adjustment 1. Receive the 16-step gray scale computer signal. 2. Set to COMPUTER mode. [R-signal cneter adjustment] 3. Connect a digital voltmeter to test point “TP501R” (+) and chassis ground (-). 4. Adjust voltage to be 7.30 ±0.05V by using VR503. [G-signal cneter adjustment] 5. Connect a digital voltmeter to test point “[...]

  • Página 68

    2.10 PC/A V -V ideo Adjustment-1 Presetting 1. Input the 16-step gray scale video signal and computer signal. [PC/A V -video adjustment] 2. Connect an oscilloscope to test point “TP503G” (+) and chassis ground (-). 3. Enter to the service mode, select item no. “15” and change data value to adjust “b” to be 1.5 ±0.01Vp-p at each VIDEO a[...]

  • Página 69

    2.1 1 PC/A V -Video Adjustment-2 [PC-video adjustment-2] 1. Receive the 16-step gray scale computer signal. 2. Set to COMPUTER mode. 3. Connect an oscilloscope to test point “TP503G” (+) and chassis ground (-). 4. Enter to the service mode, select item no. “15” and change data value to adjust “b” to be 1.70 ±0.01Vp-p. [A V -video adjus[...]

  • Página 70

    2.13 Common Center Adjustment 1. Receive the 1 dot line computer signal. 2. Set to COMPUTER mode. [R-common center adjustment] 3. Project the red light component on the screen. 4. Adjust VR502 to obtain the minimum flicker on the picture. [G-common center adjustment] 5. Project the green light component on the screen. 6. Adjust VR532 to obtain the [...]

  • Página 71

    2.15 Black Balance Adjustment [PC black balance adjustment] 1. Receive the 16-step gray scale computer signal. 2. Set to COMPUTER mode. 3. Enter to the service mode, select item no. “9” (Red) or “10” (Blue), and change data values respectively to make a proper white balance at darker portion of the screen. [A V black balance adjustment] 4. [...]

  • Página 72

    Part 3: Adjustment 3-16 3. OPTICAL ADJUSTMENTS 3.1 Contrast Adujstment [Before adjustment] • Adjustment requires a 2.0mm hex wrench and a slot screwdriver. • Remove cabinet top following to “Mechanical Disassemblies”. • Input a 100% of black raster signal. [R/G/B-contrast adujstment] 1. Project desired light component on the screen as fol[...]

  • Página 73

    3.2 Integrator Lens Adujstment [Before adjustment] • Adjustment requires a 2.0mm hex driver and a slot screwdriver. • Remove cabinet top following to “Mechanical Disassemblies”. [Adjustment]] 1. Turn on lamp by a state of without FPC cable of LCD panels. 2. Project only green light component. Shield the red and blue lights by inserting thic[...]

  • Página 74

    Part 3: Adjustment 3-18 F ig . 3-13 F ig . 3-14 a b a b Moving of slot B Slot B A Yellow y x Moving of Slots D Slot D C Slot D C y x Yellow[...]

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    3.3 Relay Lens Adjustment [Before adjustment] • Adjustment requires a 2.0mm hex driver and a slot screwdriver. • Remove cabinet top following to “Mechanical Disassemblies”. [Adjustment] 1. Turn on lamp by a state of without FPC cable of LCD panels. 2. Adjust the adjustment base of relay lens ass’y to make color uniformity in white. If the[...]

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    4. TEST POINTS AND LOCA TIONS Part 3: Adjustment ● Main Boar d IC6901 K5C VR6601 IC202 VR2201 VR401 VR402 IC2200 IC301 IC6101 IC811 VR502 VR503 VR501 IC501 VR561 VR563 VR562 IC531 VR532 VR533 VR531 IC3301 TP506B TP505B TP1531 TP561 TP571 IC561 TP1571 TP1401 TP6602 TP1451 TP3322 TP511 TP501 TP3321 TP502R TP501R TP6601 TP6603 TPDHS TPDVS TP531 TP54[...]

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    Part 4 T roubleshooting[...]

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    [...]

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    1. TROUBLESHOOTING 1.1 No Power 1) Periphery of chassis 1. Is fuse (F601) blown? Fuse may be opened when either the LAMP indicator or the READY indicator isn't Illuminated. Check the fuse. • For continued safety, replace with a fuse of the same type. TYPE T4.0AH 250V FUSE. (LITTLE FUSE INC. TYPE 215004) 2. Is projection of lamp cover inside [...]

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    3) Main board 1. Check that the 15.5V is observed at pins 1-3 of K3C. 2. Check that the 6V is observed at pins 6-8 of K3C. 3. Check that the -5V is observed at pin 9 of K3C. 4. Check that the 5V is observed at pins 10-11 of K3C. 5. Check that the 6V is observed at pins 2-4 of K3D. 6. Check that the 15.5V is observed at pins 7-8 of K3D. 7. Check tha[...]

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    <Memo> Part 4: T roubleshooting 4-3[...]

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    Part 4: T roubleshooting 4-4 F ig . 4-1 IC301 SYSTEM CONTROL ON/OFF BUTTON 17-18 16 14 15 13 19 18 146 206 2 6 2-5 8 2 4 AC INPUT FAN LAMP BST_SW. LAMP POWER 5V_SW. 5V_SW. F601 FUSE SW902 THERMAL SW. Is fuse ( F601) bl own? SW904 INTER LOCK SW. LAMP READY TEMP WARNING LAMP REPLACE Check that the POWER FAIL signal at pin 6 of IC1808 is correct. L : [...]

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    Part 4: T roubleshooting 4-5 5V_SW. S6 V 15V 5V 7 P.F.C. control P.F.C. Abno rma l te mpe ratu re d ete cti on i nsid e of t he p roj ecto r. Abno rma l te mpe ratu re d ete cti on o n the Main bo ard. Interlock switch TSW611 LAMP CB2 CB2 K8CC-1 K8CC-4 CB1 LAMP.DET LAMP SW. When an abnormal temperature is detected at the periphery of lamp driver ci[...]

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    1.2 No Sound 1) Main board 1. Check that the PC/AV switching signal is correct. Pins 10 and 11 of IC5001 ...................AV : L, PC : H 2. Check that audio signal is observed at following points. Pins 11-12(PC)/13-14(AV) of K10B/K50B 3. Check that the MUTE signal is correct. Pin 5 of K5A .......................................Mute-On: H 4. Check[...]

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    1.3 No Picture 1) AV board 1. Check that the Vcc-voltages(+5V, -5V) are applied to AV circuits. Pins 47-50 of K10A, Pins 47-54 of K10B ..............5V Pins 39-42 of K10B ..............................................-5V Check IC1001, IC1002 and IC1021. 2. Check that the following input signals are observed correctly. 2) Main board 1. Check the sig[...]

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    Part 4: T roubleshooting 4-8 F ig . 4-3 TP532 TP562 A/D IC202 DIGITAL RGB MATRIX IC6101 SYSTEM CONTROL & SCAN CONV. IC301 D/A IC2200 TIMING CONTROL IC3301 LCD DRIVER IC401 R-S/H -1 IC501 R- LCD PANEL G- LCD PANEL B- LCD PANEL R-S/H -2 IC1501 G-S/H -2 IC1531 B-S/H -2 IC1561 G-S/H -1 IC531 B-S/H -1 IC561 PC/AV SW IC5201 BUFFER IC3321 TP3321 TP333[...]

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    2. CONTROL PORT FUNCTIONS 2.1 System Control & I/O Port Functions IC Ref. No Pin/Name I/O Signal Name Function Note IC301 PortA0 I/O ROMWEL For ICE PortA1 I/O ROMWEH For ICE PortA2 I/O BOOTWE For ICE PortA3 I/O Not used Fixed High PortA4 I/O 5V_SW Power ON/OFF MainPower-ON: High PortA5 I/O LAMP_BST_SW Lamp Ballast ON/OFF Lamp Ballast-ON: High P[...]

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    IC Ref. No Pin/Name I/O Signal Name Function Note IC1806 12 O SCLK 3-Line Serial Clock 13 O SDATA 3-Line Serial Data 14 O DAC_STLOBE DAC Data Effective: Low 15 O S&H_STLOBE S&H Data Effective: High 16 O IRM_STLOBE White Uniformity Data Effective: Low 17 O FAN_CONT2 Fan Speed Control 2 Fan Control ON: High 18 O FAN_CONT1 Fan Speed Control 1 [...]

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    Part 4: T roubleshooting 4-11 3. W A VEFORMS TP218 TP208 AV VIDEO TP207 TP7223 AV H-SYNC TP221R TP221G TP221B VIDEO TP7224 AV V-SYNC TPDHS DHS TPDVS DVS TP2211R D/A R-OUTPUT TP1401 TP1451 PSIG for R/B and G[...]

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    Part 4: T roubleshooting 4-12 TP2221G D/A G-OUTPUT TP2231B D/A B-OUTPUT TP531 S&H G-INPUT TP501 S&H R-INPUT TP511 TP1501 S&H R-OUTPUT TP541 TP1531 S&H G-OUTPUT TP503G TP504G S&H G-OUTPUT TP501R TP502R S&H R-OUTPUT[...]

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    Part 4: T roubleshooting 4-13 TP561 S&H B-INTPUT TP571 TP1571 S&H B-OUTPUT TP505B TP506B S&H B-OUTPUT[...]

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    Part 4: T roubleshooting 4-14 4. IC BLOCK DIAGRAMS ● F A5332M <P o wer F actor Contr ol, IC01> ● AN5265 <A UDIO OUTPUT , IC001>[...]

  • Página 93

    Part 4: T roubleshooting 4-15 ● PW164-10RK <System Contr ol/Scan Con ver ter , IC301> ● CXA2111R <LCD Driver , IC401>[...]

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    Part 4: T roubleshooting 4-16 ● M62358FP <D A C, IC431> ● CXD3503R <White Unif ormity Compensation, IC471>[...]

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    Part 4: T roubleshooting 4-17 ● CXA2112R <Sample & Hold, IC501, IC531, IC561, IC1501, IC1531, IC1561> ● STR-Z2156 <P ower Switc hing Contr ol, IC631>[...]

  • Página 96

    Part 4: T roubleshooting 4-18 ● IDT71V016S <RAM, IC811> ● CXA2016S <Sync Separator , IC1021>[...]

  • Página 97

    Part 4: T roubleshooting 4-19 ● MC10H351ML <IC1501> ● LM76CHMX <Thermal Sensor , IC1831, IC1832>[...]

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    Part 4: T roubleshooting 4-20 ● MB40988PFQ<D/A COn ver ter , IC2200> ● A V9155C <PLL, IC1961> REFERENCE CLOCK CPU CLOCK OUTPUT BUFFERS 2XCPU CPU A GND PO WER-DO WN GND VDD 14.318MHz 14.318MHz SCLK20-22 3 14.318MHz cr ystal OE 17 18 10 8 9 12 15 16 14 13 11 19 20 3 2 7 1 6 KBCLK BUSCLK FDCLK COMMCLK OUTPUT BUFFERS PERIPHERAL CLOCK[...]

  • Página 99

    Part 4: T roubleshooting 4-21 ● TC4053BF <Switching, IC5001> ● SAA7114H <Digital Video Pr ocessor , IC5101>[...]

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    Part 4: T roubleshooting 4-22[...]

  • Página 101

    Part 5 Parts Catalog[...]

  • Página 102

    [...]

  • Página 103

    PA R T S CA T ALOG Multimedia Pr ojector L V -7105U REF .NO .D71-5132 L V -7105E D71-5133 P ower Pr ojector L V -7105J D71-5131[...]

  • Página 104

    [...]

  • Página 105

    1 4 7 5 36 11 12 a b c d 6 9 8 2 3 3 10 13 14 42 e 52 52 47 42 42 42 42 46 46 46 46 46 46 47 47 47 25 46 47 47 35 47 46 46 29 49 49 28 47 47 27 42 42 34 24 46 31 26 41 30 41 41 41 51 43 43 43 f 41 32 23 33 g 37 53 Page 1 CANON L V -7105J REF . No . D78-5131 L V -7105U D78-5132 L V -7105E D78-5133[...]

  • Página 106

    Page 1 P AR TS LIST REF.NO. D78-5131 D78-5132 D78-5133 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS * 1 DY4-6096-000 C 1 COVER, TOP * 2 DY4-6098-000 C 1 COVER, BOTTOM 3 DY4-6017-000 C 2 LEG, ASS'Y * 4 DY4-6099-000 C 1 RING, NAME 5 DY4-6019-000 C 1 COVER, FRONT * 6 DY4-6100-000 B 1 CAP, LENS 7 DY4-6021-000 C 1 PLATE, AV 8 DY4-6022-000 C 1[...]

  • Página 107

    70 50 50 50 50 48 48 48 48 48 44 44 44 44 62 45 45 45 45 45 45 45 69 22 75 76 77 80 79 78 21 63 Page 2 CANON L V -7105J REF . No . D78-5131 L V -7105U D78-5132 L V -7105E D78-5133[...]

  • Página 108

    Page 2 P AR TS LIST REF.NO. D78-5131 D78-5132 D78-5133 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS 21 DY4-6029-000 C 1 HOLDER, INTEGRATOR IN 22 DY4-6030-000 C 1 HOLDER, RELAY OUT 44 DY4-6047-000 F 4 SCREW 45 DY4-6048-000 F 7 SCREW 48 DY4-6049-000 F 5 SCREW 50 CY2-8232-000 F 4 SCREW * 62 DY4-6103-000 C 1 PRISM/LCD ASS'Y 63 DY4-6052-000 C[...]

  • Página 109

    (80) (77) (78) (75) 71 72 81 (76) (79) 66 82 68 67 73 74 (69) 73 65 61 64 (63) Page 3 CANON L V -7105J REF . No . D78-5131 L V -7105U D78-5132 L V -7105E D78-5133[...]

  • Página 110

    Page 3 P AR TS LIST REF.NO. D78-5131 D78-5132 D78-5133 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS 61 DY4-6050-000 C 1 PRISM, PBS (63) DY4-6052-000 C 1 LENS, INTEGRATOR IN 64 DY4-6053-000 C 1 LENS, INTEGRATOR OUT 65 DY4-6054-000 C 1 LENS, CONDENSER OUT 66 DY4-6055-000 C 1 LENS, CONDENSER, G 67 DY4-6056-000 C 1 LENS, CONDENSER, B 68 DY4-6057-[...]

  • Página 111

    A100 A001 A200 A2800 A1800 A600 SP901 SW904 FN905 FN901 IL901 L901 L902 L903 F601 POWER P. C . B . A901 SW902 A1000 FN902 FN904 FN903 LP900 Page 4 CANON L V -7105J REF . No . D78-5131 L V -7105U D78-5132 L V -7105E D78-5133[...]

  • Página 112

    Page 4 P AR TS LIST REF.NO. D78-5131 D78-5132 D78-5133 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS * A001 DY4-6114-000 C 1 PCB ASS'Y, AUDIO * A100 DY4-6109-000 C 1 PCB ASS'Y, MAIN * A200 DY4-6112-000 C 1 PCB ASS'Y, COMPONENT * A600 DY4-6115-000 D 1 PCB ASS'Y, LINE FILTER * A901 DY4-6106-000 D 1 LAMP BALLAST ASS'Y * A[...]

  • Página 113

    U-1 U-2 V- 1 V- 2 W- 1 X-1 Z Page 5 CANON L V -7105J REF . No . D78-5131 L V -7105U D78-5132 L V -7105E D78-5133[...]

  • Página 114

    Page 5 P AR TS LIST REF.NO. D78-5131 D78-5132 D78-5133 NEW SYMBOL PARTS NO. CLASS QTY DESCRIPTION REMARKS U-1 DY4-6072-000 C 1 REMOTE CONTROLLER, LV-5100 U-2 DY4-5859-000 B 1 COVER, REMO-CON BATTERY V-1 CY2-8293-000 D 1 POWER CORD, AC120V FOR LV-7105U V-1 CY2-8295-000 D 1 POWER CORD, AC240V FOR LV-7105E V-1 CY2-8299-000 D 1 POWER CORD, AC100V FOR L[...]

  • Página 115

    Page 6 P AR TS LIST REF.NO. D78-5131 D78-5132 D78-5133 PAGE NEW SYMBOL PARTS NO. QTY PAGE NEW SYMBOL PARTS NO. QTY 1 53 CY2-8231-000 2 1 28 DY4-6036-000 1 2 50 CY2-8232-000 4 1 29 DY4-6037-000 1 4 SP901 CY2-8274-000 1 1 30 DY4-6038-000 1 4 SW904 CY2-8277-000 1 1 31 DY4-6039-000 1 5 V-2 CY2-8288-000 1 1 33 DY4-6041-000 1 5 V-1 CY2-8293-000 1 1 34 DY[...]

  • Página 116

    Page 7 P AR TS LIST REF.NO. D78-5121 D78-5122 D78-5123 PAGE NEW SYMBOL PARTS NO. QTY 1 * c DY4-6097-000 1 1 * 2 DY4-6098-000 1 1 * 4 DY4-6099-000 1 1 * 6 DY4-6100-000 1 1 * 32 DY4-6101-000 1 1 37 DY4-6102-000 1 2 * 62 DY4-6103-000 1 2 * 70 DY4-6104-000 1 5 * Z DY4-6105-000 1 4 * A901 DY4-6106-000 1 4 * FN904 DY4-6107-000 1 4 * LP900 DY4-6108-000 1 [...]

  • Página 117

    [...]

  • Página 118

    Part 6 Electrical Diagrams[...]

  • Página 119

    [...]

  • Página 120

    1. P ARTS DESCRIPTION AND READING IN SCHEMA TIC DIAGRAM 1. The parts specification of resistors, capacitors and coils are expressed in designated code. Please check the parts description by the following code table. 2. Some of transistors and diodes are indicated in mark for the substitution of parts name. Please check the parts name by the followi[...]

  • Página 121

    Part 6: Electrical Diagrams 6-2 Mark Type number R 1S2076A,1S2473,1N4148 AA 1S2076A,1S2473,1SS133,1N4148 ● Diode Mark Type number -- 2SC536 2SC945A 2SC1815 2SC1740S AD NF, NG PA, QA, RA Y, GR Q, R, S AE NF, NG PA, QA O, Y, GR Q, R, S ● Transistor (1) NPN type Diode/T ransistor T ype Reading Mark Type number -- 2SA608 2SA564A 2SA1015 2SA933S AB [...]

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    A K C BE C2 C1 B1 B2 E C C BE K A C B E B2 B1 C1 C2 E E B C B2 B1 C1 C2 E B2 B1 C1 C2 E1 E2 K AA A KK K A K A C B E C B E C B E 1 2 3 4 5 6 Index 1 2 N Index Inde x 1 2 N 2 1 3 (IN) (OUT) (GND) 2 1 4 2 1 3 Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N 2 1 3 1 2 3 2 1 3 RESET GND Vdd 5 3 D G S D G S K: Cathode A: Anode C: Collector B: [...]

  • Página 123

    A1 LAMP REPLACE W ARNING READY POWER KEY SW POWER LED TEMP LED READY LED F AN DRIVE-SW S/VIDEO-SW PC/A V -SW F AN CONTROL1 F AN CONTROL2 LAMP ON KEY SW TEMP W ARR LAMP ERR S-SW CB-SW CR-SW LAMP REP LED MUTE LAMP REP LED R-LCD P ANEL G-LCD P ANEL B-LCD P ANEL 31 I 17 47 46 31 I 17 47 34 31 I 17 47 34 18 16 14 22 24 26 46 43 40 4 I 31 51 52 27-32 16-[...]

  • Página 124

    A2 AC CORD C618 ASSY PWB, MAIN ASSY PWB, A V ASSY PWB, PO WER ASSY PWB, R/C ASSY PWB, COMPONENT Q671 IC01 P .F .CONTROL TSW611 Q6611 Q641 K3C K6J K3D K6K K3M K3N 1-3 6-8 10-11 9 LAMP B ALLAST UNIT ASSY PWB, LINE FIL TER S-5V S-5V D6611 FN904 FN902 PC644 PC643 PC641 Q663 Q371 D634 IC656 Q611 VR01 T651 CONVERTER TRANSFORMER IC631 SWITCHING POWER SUPP[...]

  • Página 125

    A3 (SCH_MP6P A/PP6P A) INT AKE FAN EXHAUST F AN INT AKE FAN INT AKE FAN 1 3 VCC VOUT GND RC PRE AMP 1 3 MUTE 1 GND OUT F. B . FILTER IN VOL AUDIO AMP 8 SP-OUT VOL_CONT AUDIO_IN SP-RET . SDA SCL O.S. GND +VS A0 A1 INT OUT AC100-120V AC200-240V 1A V4W11B 00800 (SET TO OPEN A T 100+/-5˚C) A901 400V 132W 1 LENS 3 1 5 1A V4U20B35800 LP901 F .G. (NEUT) [...]

  • Página 126

    S5V PC/AV_SW V -SY H-SY MUTE 9V S-SW S-C S-Y CB_SW 5V S-5V VIDEO 5V S-5V 5V 5V S-5V VOL_CONT POWER_F AIL 12V S/CV_SW 5V CR_SW MUTE CRIN YIN CBIN S5V RESET_M S5V V -TH RXD TXD MOUSE1 RC S5V CTS/V S-5V 5V S-5V HSYNC 480I_SW S5V S-5V 5V 5V S-5V S5V S5V S5V R5296 R5218 R5024 R5023 R5022 R5021 R5018 C5007 C5002 C5001 C5004 C5003 Q5008 R5014 R5009 Q5007 [...]

  • Página 127

    1/16GJ 10KC 1/16GJ 10KC CD10 CGQY CD10 CGQY CD10 CGQY 1/16 GJ1KC 1/16 GJ1KC 1/16 GJ1KC 1/16GJ 3.9KC 1/16GJ 3.9KC 6.3EM 220WM 25KZ0.1 GQFY 6.3EM 220WM 25KZ0.1 GQFY 1/16GJ 120C 1/16GJ 120C 1/16GJ 120C 1/16GJ 390C 1/16GJ 390C 1/16GJ 390C 1/16GJ 200C 1/16GJ 200C 1/16GJ 200C J30A 00102 J30A 00102 J30A 00102 1/16GJ 3.9KC 1/16GZ 0C 1/16GZ 0C 1/16GZ 0C 1/1[...]

  • Página 128

    R801 R807 R803 RB851 R856 R854 R853 C806 C807 C851 R857 R802 C812 C811 R1823 R1826 R1828 R804 R806 R808 R301 R302 C301 C302 TP802 TP801 R823 R824 R826 R827 K8Y 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 50 R852 R851 R1801 R1802 Q1801 R1803 R1809 R1808 R1807 D851 VCC GND IC1807_16 IC1807_17 IC851_5 IC861_3 IC861_12 IC861_9[...]

  • Página 129

    S6V 5V_SW 5V_DV 5V_DV CLP2A PRG PSCL PSDA DAC_ST5 SCLK5 SDA T A5 VOL_CONT 5V_DV 9V DRE7 DRE5 DRE6 DRE4 DRE2 DRE1 DRE0 DGE3 DGE5 DGE7 DGE0 DGE1 DGE2 DGE4 DGE6 DBE5 DBE3 DBE7 DBE6 DBE4 DBE2 DCLK 9V DBE1 DBE0 5VD DRE3 5V_DV POWER_F AIL 5V PRG ENB 5V BMCLK BMCLKI 5V FRP 5V B_IROMURA 15.5V ENB PRG GMCLKI GMCLK 5V 5V 5V 5V FRP R_IROMURA 15.5V RMCLK RMCLK[...]

  • Página 130

    DCB015P DCB015P 16EM 100D 1/16GJ 10KC 1/16GJ 10KC 16EM 100D J10EG 030G J10EP 030G J10EG 030G 16EM 100D J10EG 120G 1SS355 6.3EM 220WM 6.3EM 220WM 25KZ 0.1GQFY 25KZ0.1 GQFY 1/16GJ 10C 1/16GJ10C 1/16GJ 10C 1/16GJ 10C 1/16GJ 10KC 1/16GJ10C 1/16GZ0C 1/16GJ 10C 1/16GJ 10C 1/16GJ 10C 1/16GJ 10C 1/16GZ 0C 1/16GZ 0C 1/16GZ 0C 25KZ 0.1GQFY 1/16GJ 10C 1/16GJ [...]

  • Página 131

    PSDA PSCL FCNT2 12V1 15.5V1 12V2 12V F ANDRIVE_SW POWER_F AIL 15.5V1 POWER_F AIL POWER_F AIL 12V POWER_F AIL POWER_F AIL POWER_F AIL 12V1 12V2 POWER_F AIL 15.5V FCNT1 15.5V S5V 12V3 POWER_F AIL POWER_F AIL 12V3 F ANDRIVE_SW FCNT1 1/16GJ 3.6KC AH 1/16GJ 1KC 1/16GJ 1KC AH 1/16GJ 1KC 1/16GJ 1KC 1/16GJ 1KC AH 16EM 100D 1/16GJ 10KC J10EG 030G J10EP 030G[...]

  • Página 132

    A10 (PCB_MP6P A/PP6P A) ■ Printed Wiring Board Diagrams (L V -7105U/E) P ower Board (SIDE:A) P ower Board (SIDE:B) This projector is isolated from AC line by using the internal converter transformer . Please pay attention to the following notes in servicing 1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides[...]

  • Página 133

    A11 (PCB_MP6P A/PP6P A) Component Boar d (SIDE:A) A V Board (SIDE:A) R/C Board (SIDE:A) “K33G” “K8A” Main Board Main Board “K8D” Main Board “K50B” “K50A” G-LCD Panel R-LCD B-LCD Main Board “K33R” Main Board “K33B” FN902 FN904 Component Boar d (SIDE:B) A V Board (SIDE:B) R/C Board (SIDE:B)[...]

  • Página 134

    A12 (PCB_MP6P A/PP6P A) Main Board (SIDE:A) Power Board “K6K” FN905 Main Board (SIDE:B) FN903 Lamp Ballast Unit Audio Amp Board “K6P” FN901 Component Board “K3R” Component Board “K3A” “K10B” “K10A” A V Board Power Board “K6J” Component Board “K3G” T emp Board “K8H” R/C Board “K28D” Component Board “K3B” A[...]