SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Plasma Display
May 2006
YK
No.031E
SERVICE MANUAL
42PD8900TA(PW3)
Be sure to read this manual before servicing. To assure safety from fi re, electric shock, injury, harmful
radiation 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.
Caution
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
display 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.
Service Warning
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 --------------------------- 53
9. Basic circuit diagram
------------------------------ 55
10.Printed wiring board diagram ------------------- 85
11.Block diagram -------------------------------------- 93
12.Connection diagram ------------------------------ 94
13.Wiring diagram ------------------------------------- 96
14.Disassembly diagram ---------------------------- 98
15.
Replacement Parts list
----------------------------101
Contents
The PDP panel made from FHP is used for this product.
42PD8900TA is a model based
on 42PD8800TA. The differ-
ence was to have changed PDP
module from A3 into A4.
Summary of Contents for 42PD8900TA
Page 57: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 57 42PD8900TA PWB assembly Power Unit 1 PW3 ...
Page 58: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 58 42PD8900TA PWB assembly Power Unit 2 PW3 ...
Page 59: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 59 42PD8900TA PWB assembly Power Unit 3 PW3 ...
Page 60: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 60 42PD8900TA PWB assembly Power Unit 4 PW3 ...
Page 61: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 61 42PD8900TA PWB assembly Power Unit 5 PW3 ...
Page 67: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 67 42PD8900TA PWB assembly LED PDP PW3 ...
Page 68: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 68 42PD8900TA PWB assembly SWIEVEL PW3 ...
Page 69: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 69 42PD8900TA PWB assembly FILTER PW3 ...
Page 70: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 70 42PD8900TA PWB assembly Sub POWER PW3 ...
Page 71: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 71 42PD8900TA PWB assembly TERMINAL PW3 ...
Page 72: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 72 42PD8900TA PWB assembly CONTROL PW3 ...
Page 73: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 73 42PD8900TA PWB assembly SENSOR PW3 ...
Page 74: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 74 42PD8900TA PWB assembly SOUND PW3 ...
Page 75: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 75 42PD8900TA PWB assembly SW PW3 ...
Page 76: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 76 42PD8900TA PWB assembly FC 1 PW3 ...
Page 77: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 77 42PD8900TA PWB assembly FC 2 PW3 ...
Page 78: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 78 42PD8900TA PWB assembly FC 3 PW3 ...
Page 79: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 79 42PD8900TA PWB assembly FC 4 PW3 ...
Page 80: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 80 42PD8900TA PWB assembly FC 5 PW3 ...
Page 81: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 81 42PD8900TA PWB assembly FC 6 PW3 ...
Page 82: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 82 42PD8900TA PWB assembly FC 7 PW3 ...
Page 83: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 83 42PD8900TA PWB assembly FC 8 PW3 ...
Page 84: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 84 42PD8900TA PWB assembly FC 9 PW3 ...
Page 92: ...92 42PD8900TA FILTER board SUB POWER board TERM board ...
Page 93: ...93 42PD8900TA 11 Block diagram ...
Page 94: ...94 42PD8900TA 12 Connection diagram to connection diagram 2 2 Connection diagram 1 2 ...
Page 95: ...95 42PD8900TA Connection diagram 2 2 to connection diagram 1 2 ...
Page 100: ...100 42PD8900TA MEMO ...
Page 115: ...115 42PD8900TA MEMO ...
Page 116: ...YK No 031E Printed in Japan JE QR66413 42PD8900TA ...