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Sony KDL22EX308 manuale d’uso - BKManuals

Sony KDL22EX308 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 Sony KDL22EX308. 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 Sony KDL22EX308 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 Sony KDL22EX308 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 Sony KDL22EX308 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Sony KDL22EX308
- nome del fabbricante e anno di fabbricazione Sony KDL22EX308
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Sony KDL22EX308
- 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 Sony KDL22EX308 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 Sony KDL22EX308 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Sony 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 Sony KDL22EX308, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Sony KDL22EX308, 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 Sony KDL22EX308. 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

    AZ1L Direct-V iew LCD T elevision Chassis Circuit Description and T roubleshooting Guide T raining Manual MODELS: KDL22EX308 KDL32EX308 Course : CTV -68 KDL32EX308[...]

  • Pagina 2

    CTV -63 i Power Supply ....................................................................... 4 KDL22EX308 .......................................................................... 4 KDL32EX308 .......................................................................... 4 Inverter ....................................................................[...]

  • Pagina 3

    CTV -63 ii T able of Contents (Continued) Introduction .................................................................... 24 LCD Panel Basics .............................................................. 24 Gate Drivers ....................................................................... 27 Source Drivers .....................................[...]

  • Pagina 4

    CTV -68 1 Chapter 1 – Introduction Overview The AZ1L chassis is one of several designs for the 2010 model line of Sony Bravia® LCD televisions. Several models will be released incorporating this chassis. This training manual will cover the EX308 series consisting of the following models: KDL22EX308 KDL32EX308 The chassis design revolves around t[...]

  • Pagina 5

    Chapter 1 - Introdcution CTV -68 2 USB2.0 Side Input This feature was available in selected 2008 models and allowed the viewing of JPEG formatted pictures and playback of MP3 audio files. The media content has been expanded this year to allow playback of MPEG1 and MPEG2 format video content. An optional wireless network adapter can be inserted to [...]

  • Pagina 6

    CTV -68 3 Chapter 2 – Overall Circuit Descriptions Overview The primary circuits contained in the AZ1L chassis consists of a main circuit board (designated as the BAL board), power supply (GD1 Or G2LE) which varies based on the size of the LCD display , and the LCD panel assembly . The TCON circuit (normally mounted external to the LCD panel) is [...]

  • Pagina 7

    Chapter 2 - Overall Circuit Description CTV -68 4 Power Supply KDL22EX308 The KDL22EX308 utilizes the GD1 power supply board. There are 3 distinct sections on the power supply: Standby Supply : Continuously operational as long as AC power is applied, the standby supply generates 3.3VDC for the circuits requiring power while the unit is turned of f.[...]

  • Pagina 8

    Chapter 2 - Overall Circuit Description CTV -68 5 FIGURE 2-1 22EX308 OVERALL BLOCK DIAGRAM C OMP OSI T E OR C OMP ON E N T 1 R F C OMP OSI T E 3 C OMP ON E N T 2 H D MI 1 PC H D 1 5 POW E R S U P P LY IN V E R TE R SW I TC H U N I T LED IR R X R GB SE N SOR LC D PAN EL BAL G D 1 H LR L R AN A LOG A U D I O OU T OPTI C AL A U D I O OU T H D MI 3 IC4[...]

  • Pagina 9

    Chapter 2 - Overall Circuit Description CTV -68 6 FIGURE 2-2 32EX308 OVERALL BLOCK DIAGRAM C OMP OS I TE OR C OMP ON E N T 1 R F C OMP OS I TE 3 C OMP ON E N T 2 H D MI 1 PC H D 1 5 POW E R S U PP LY SW I TC H U N I T LED I R R X R GB SE N S OR LC D PA N EL BAL G 2LE H LR L R AN A LOG AU D I O OU T OPTI C A L A U D I O OU T H D MI 3 I C 42 00 AU D [...]

  • Pagina 10

    CTV -68 7 Chapter 3 – T roubleshooting Introduction Most troubleshooting of this chassis focuses on the 3 major components used: • The Main Board (BAL) • Power Supply (G1D or G2LE) • LCD Panel This chapter will provide practical troubleshooting procedures based on the various symptoms that will appear when a particular circuit fails to oper[...]

  • Pagina 11

    Chapter 3 - T roubleshooting CTV -68 8 FIGURE 3-1 CHECKING THE SOFTW ARE VERSION Software Update Responsibility Software updates are designed to be performed by the customer . W arranty repairs in which the issue can be resolved by a software update are not reimbursable . Most issues involving software updates are handled by the customer service ce[...]

  • Pagina 12

    Chapter 3 - T roubleshooting CTV -68 9 Special Software Instructions for BAL Board or LCD Panel Replacement The 2010 models utilize a “generic” type BAL board. In the past, many different main boards needed to be stocked due to dif ferences in software requirements. The software loaded on the board was specific to the model and its features al[...]

  • Pagina 13

    Chapter 3 - T roubleshooting CTV -68 10 V ideo Failures Problems that develop in the video circuits can appear as subtle or major distortions, a loss of one or more colors, improper video level, or a complete loss of video. When troubleshooting LCD display devices the problem must be isolated to 3 major components: The main board where the video pr[...]

  • Pagina 14

    Chapter 3 - T roubleshooting CTV -68 1 1 FIGURE 3-2 NO VIDEO TROUBLESHOOTING FLOWCHAR T N o Vi de o B ack li gh t s t ur ned on ? U nplug LVD S c onn ec t or at TC ON w hile un i t is ru nnin g . This may nee d t o be do ne more t ha n on c e A ny f las he s s een on s c re en ? Y es No TC ON ( LC D P an el) A ny OS D gr ap hic s pr es en t ? No B [...]

  • Pagina 15

    Chapter 3 - T roubleshooting CTV -68 12 TCON : Since the TCON allocates the RGB video information based on specific timing information, the distortions tend to be fixed and usually appear as symmetrical patterns that occupy most (or a significant portion) of the display . Some examples of TCON errors: • No video • Thin vertical lines spannin[...]

  • Pagina 16

    Chapter 3 - T roubleshooting CTV -68 13 FIGURE 3-3 VIDEO DISTOR TION TROUBLESHOOTING FLOWCHAR T Vi d eo Di stort i on I s dis t or t i on across entire s c ree n ? Any hor iz on t al lines ? No No TC ON (L C D P ane l ) Ye s Ye s I mpr op er of mis s ing c olor s ? Ye s BA L Boar d No Vertic al li nes or bar s ? No Ye s Line s m ove w hen w ide - m[...]

  • Pagina 17

    Chapter 3 - T roubleshooting CTV -68 14 Audio T roubleshooting Since all audio signals are input, processed and amplified by the BAL board, any issue involving the loss of audio or audio distortions which is present at all inputs would dictate that issue is remedied by replacement of the BAL board. It is possible that a software update might be re[...]

  • Pagina 18

    Chapter 3 - T roubleshooting CTV -68 15 N o Pow er Is s t andb y LE D blinking ? No Ye s GE3 b oard ( 32 , 4 0 " ) GE 2B boa rd (46 / 52 " ) GE 2A ( 60") No See pro t ec t ion fl owc har t Ye s Is E c o s w it c h on s i de of unit t ur ned off ? (4 6 / 52 /6 0 " ) D oes red s t and by LED on f ro nt pan el light ? Press power b[...]

  • Pagina 19

    Chapter 3 - T roubleshooting CTV -68 16 Protection Shutdown Critical voltages and circuit operations are monitored by the CPU on the BAL board. If a fault is detected the unit will be forced to shut down by the CPU. The monitored circuit in which the fault occurred will cause the CPU to flash the standby LED in groups of repeating sequences. The n[...]

  • Pagina 20

    Chapter 3 - T roubleshooting CTV -68 17 FIGURE 3-5 PROTECT SHUTDOWN TROUBLESHOOTING FLOWCHART Protect Sh utdown . Standby LED Bl i n ki ng No Ye s No LCD P an el Ye s 2X BA L B oar d 3X 5X D oes s t and by LED li ght ? Ye s No No Ye s LCD P an el 6X Ye s 7X No Imme diate l y Aft er a Wh il e C heck roo m temper atur e and v entilati on ar ound un i[...]

  • Pagina 21

    Chapter 3 - T roubleshooting CTV -68 18 FIGURE 3-6 DIAGNOSTICS HISTOR Y P AGE Backlight Issues Under normal circumstances, any failures in the backlighting system will cause the unit to shut down. If one or more of the fluorescent backlights fails to turn on, or if the high voltage inverter circuit fails to turn on, the unit will shut down and the[...]

  • Pagina 22

    Chapter 3 - T roubleshooting CTV -68 19 T est Points The drawing in Figure 3-7 contains the board-to-board connector and pin information for the KDL22EX308 to identify voltages, signal and control lines for troubleshooting purposes. Figure 3-8 illustrates the same information for the KDL32EX308. All critical voltages and control signals are easily [...]

  • Pagina 23

    Chapter 3 - T roubleshooting CTV -68 20 FIGURE 3-7 KDL22EX308 TEST POINTS HV 1 STBY 3.3V AUDIO _12V AC_O FF _DET PO WE R_O N 1 2 3 4 AUDIO _G ND BL _E RR REG 12V _GND REG 12 V 5 6, 7 8, 9 10 BL _O N TCON _12 V DIMME R N /C 11 12 13 14 TCON _O N 15 C N 6 150 STBY 3.3V REG 12 V _GND AUDIO _1 2V AUDIO _G ND 1 2 3 4, 5 REG 12V TCON_12 V 6, 7 8 AC_O FF [...]

  • Pagina 24

    Chapter 3 - T roubleshooting CTV -68 21 FIGURE 3-8 KDL32EX308 TEST POINTS UNREG 24V BL - ON G ND BL _E RR 1~5 6~10 11 12 STBY 3.3V AUDIO _1 2V AC_O FF _DET PO WE R_O N 1 2 3 4 AUDIO _G ND BL _E RR REG 12V _GND REG 12 V 5 6, 7 8, 9 10 BL _O N TCON _12 V DIMME R N /C 11 12 13 14 TCON _O N 15 AC IN ( N ) AC IN ( H ) 1 2 C N 6 401 STBY 3.3V REG 12 V _G[...]

  • Pagina 25

    Chapter 3 - T roubleshooting CTV -68 22 FIGURE 3-9 KDL22EX308 BOARD LOCA TIONS G D 1 BAL H LR SWITC H BL O C K[...]

  • Pagina 26

    Chapter 3 - T roubleshooting CTV -68 23 FIGURE 3-10 KDL32BX300 BOARD LOCA TIONS G D 2LE BAL H LR SWITC H BL O C K[...]

  • Pagina 27

    CTV -68 24 Chapter 4 – Appendix TCON T roubleshooting Introduction Beginning in the fall of 2008, Sony announced the availability of limited TCON replacement boards to service LCD panels beginning with certain models going back to 2006. For many years technicians have been asking about the availability of these components. In the relatively small[...]

  • Pagina 28

    Chapter 4 - Appendix CTV -68 25 Figure 4-1 illustrates a typical LCD panel and the associated video processing circuits as found in the W AX3 chassis. The various formats and resolutions of video signals are processed on the BU1 board. All video signals exit the video processor in the native resolution of the LCD panel. In this design, the resoluti[...]

  • Pagina 29

    Chapter 4 - Appendix CTV -68 26 FIGURE 4-1 TYPICAL LCD TIMING CONTROL LC D PA N E L GATE D R I V E R S SOU R C E D R I V E R S LVD S TR A N S MI TT E R BU LVD S R E C E I V E R TC ON VI D E O PR OC E S S TI MI N G C ON TR OL[...]

  • Pagina 30

    Chapter 4 - Appendix CTV -68 27 Gate Drivers Referring to Figure 4-1, note the IC’s located along the side of the panel. These IC’s are mounted on a flexible cable(s) which are bonded to the LCD panel. Their function is to activate each row of pixels one at a time starting with the first line at the top. As each line is activated, the source [...]

  • Pagina 31

    Chapter 4 - Appendix CTV -68 28 D E FE C TI V E D R I V E I C D E FE C TI V E TA B B ON D OR D R I V E I C D E FE C TI V E TA B B ON D OR D R I V E I C FIGURE 4-2 TYPICAL LCD P ANEL F AILURES[...]

  • Pagina 32

    Chapter 4 - Appendix CTV -68 29 Failures involving the LCD panel are usually displayed with the following symptoms: • Physical damage such as cracks in the panel, a single pixel or group of pixels that always on or off, or random sections of the panel which are completely dark. • Source driver failure. This symptom appears as a single vertical [...]

  • Pagina 33

    Chapter 4 - Appendix CTV -68 30 Figure 4-3 illustrates 2 examples of a loss of control data to the drive IC’s. In the first example, an entire group of column drivers has lost the data stream for red. The second example involves the complete loss of drive data for all RGB information to the right side of the screen. This is sometimes caused by t[...]

  • Pagina 34

    Chapter 4 - Appendix CTV -68 31 Examples of Actual TCON Failures The remaining illustrations show other TCON failures that have been encountered in the field. The idea is to get a grasp of the concept of TCON induced failures to avoid unnecessary parts replacement. REPET A TIVE ST AIONAR Y LINES MUL TIPLE SOURCE DRIVE IC F AILURE MUL TI-COLORED LI[...]

  • Pagina 35

    Chapter 4 - Appendix CTV -68 32 MUL TIPLE EVENL Y SP ACED LINES NOT AFFECTED BY PICTURE ZOOMING LOADED SOURCE DRIVE DA T A LINE SYMETRICAL RED BOXES[...]

  • Pagina 36

    Chapter 4 - Appendix CTV -68 33 LCD Panel Failures Below are some photos of actual LCD panel failures. Note that most issues tend to be isolated to a certain area of the screen with the exception of failures of the source drivers. The source drivers can cause thin horizontal line issues and can also affect a large area of the screen. SOURCE DRIVE I[...]

  • Pagina 37

    Chapter 4 - Appendix CTV -68 34 SOURCE T AB BOND F AILURE MUL TIPLE PIXEL F AILURE GA TE T AB BOND F AILURE GA TE T AB BOND F AILURE[...]

  • Pagina 38

    and i.Link are trademarks of Sony Electronics 2007 Sony Electornics, Inc. SEL Service Company 16530 Vill Esprillo National T raining Dept. MZ3215 San Diego, CA 92127 Reproduction in whole or part without written permission is prohibited. All rights reserved CTV68030810 3/10/10[...]