50
42PD8900TA
Sub Syncronization [Main PWB Circuit]
Are waveform
at TP603(H) and
TP604(V)?
No
Check FC PWB
Are waveforms
at 45pin(H) and 48pin(V) of
I601?
Component Input?
Is
waveform at
44pin(Y) of I504?
Is
waveform at
56pin(Y) of I201?
Are waveforms
at 33pin(H) and 34pin(V) of
I601?
Is
waveform at
1pin(CV) of I504?
Is
waveform at
53pin(CV) of I201?
Is
waveform at
60pin(CV) of I201?
No
No
No
Yes
Check I601 and Input terminal
Check I602
Yes
Check I601
Yes
Yes
Yes
(Component Video)
No
(RF/Composit
Video/S-Video)
RF or Composit Video ?
Yes
(RF or Composit Video)
No
(S-Video)
No
No
No
RF Input?
No
(Composit Video)
Yes (RF)
No
Trouble of Sub picture
Yes
Yes
Check I504
Yes
Check Q512
Check I201 and Input terminal
No
Check I201 and Input terminal
Check I504
Yes
Check I201
Check U102
Check Q206 and Q511
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 ...