51
42PD8900TA
Teletext [Main PWB Circuit]
No Teletext
Sub picture?
(TV+Text)
Check FC PWB
Are
waveform at TP605(Y),
TP606(Cb), and
TP607(Cr)?
Are
waveforms at
64pin(Y), 62pin(Cb), and
60pin(Cr) of I601?
Are
waveforms at
72pin(Y), 74pin(Cb), and
76pin(Cr) of I601?
No
(Signal picture )
Yes
(Sub picture)
Check I601
Yes
Check I501
Yes
Check Q601, Q602, Q603
Yes
Yes
Check Q520, Q521, Q522
Yes
No
No
Are
waveforms at
62pin(Y), 65pin(Cb), and
68pin(Cr) of I501?
No
Are
waveforms at
172pin(R), 164pin(B), and
160pin(G) of I501?
No
Check FC PWB
Are
waveform at TP608(Y),
TP609(Cb), and
TP610(Cr)?
Are
waveforms at
42pin(Y), 44pin(Cb), and
46pin(Cr) of I601?
Are
waveforms at
78pin(Y), 80pin(Cb), and
2pin(Cr) of I601?
Check I601
Yes
Check I504
Yes
Check Q604, Q605, Q606
Yes
Check Q515, Q516, Q517
Yes
No
No
Are
waveforms at
62pin(Y), 65pin(Cb), and
68pin(Cr) of I504?
No
Are
waveforms at
35pin(R), 34pin(G), and
33pin(B) of I504?
No
Yes
Check QT03, QT04, QT05
Are
waveforms at
48pin(R), 47pin(G), and
46pin(B) of IT01?
Is
waveform at
31pin(CV) of IT01?
Is
waveform at
44pin(CV) of I201?
Check QT01, QT02,
Q207, Q217,Q219
Check U101
Yes
Check IT01
Yes
Check I201
Yes
No
No
No
Is
waveform at
63pin(CV) of I201?
No
No
Yes
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 ...