Hitachi 55PD8800TA Service Manual

Hitachi 55PD8800TA Service Manual

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SERVICE MANUAL

LCD
Be sure to read this manual before servicing. To assure safety from fi re, electric shock, injury, harmful radia-
tion and materials, various measures are provided in this HITACHI display.
Be sure to read cautionary items described in the manual to maintain safety before servicing.
1. Since Panel Module and front Filter are made of glass, handling the broken Module and Filter shall be
taken care suffi ciently in order not to be injured.
2. Replacing work shall be started after the Panel Module and the AC/DC Power supply become suffi ciently
cool.
3. Special care shall be taken to the display area in order not to damage its surface.
4. The Panel Module shall not be touched with bare hand to protect its surface from stains.
5. It is recommended to use clean soft gloves during the replacing work in order to protect not only the dis-
play area of the Panel Module but also a serviceman himself.
6. The Chip Tube of Panel Module (located upper left of the back and surrounded by frame) and fl exible
cables connecting Panel glasses to drive circuit PWBs are very weak, so shall be taken care suffi ciently
not to break. If you break Chip Tube, the Panel doesn't display anything forever.
1. Features --------------------------------------------------3
2. Specifi cations --------------------------------------------4
3. Service point ---------------------------------------------5
4. Component names -------------------------------------6
5. New adoption technology -----------------------------7
6. Adjustment --------------------------------------------- 11
7. Troubleshooting --------------------------------------- 37
8. Self-diagnosis function ------------------------------ 52
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Caution
Service Warning
Contents

Plasma Display

November 2005 Digital Media Division
YK
55PD8800TA(PW3)
37LD8800TA(PW3L)
PDP
9. Basic circuit diagram --------------------------------- 54
10. Printed wiring board diagram ---------------------- 82
11. Block diagram ----------------------------------------- 90
12. Connection diagram --------------------------------- 91
13. Wiring diagram ---------------------------------------- 93
14. Disassembly diagram -------------------------------- 97
15. Replacement parts list ----------------------------- 101
No.022E

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