47
55PD8800/37LD8800
㽲
Trouble of Sub picture
Are waveform at TP608(Y),
TP609
(Cb
),
and TP610
(Cr
)?
Are waveforms at
42pin(Y), 44pin(Cb),
and 46
p
in
(Cr
) of I601
?
Check FC PWB
No
Yes
Check Q604, Q605, Q606
Component Input?
No
Check I601 and Input terminal
Yes
Yes (Component Video)
Are waveforms at
78pin(Y), 80pin(Cb),
and 2
p
in
(Cr
) of I601
?
Check I601
Are waveforms at
21pin(Y), 22pin(Cb),
and 23
p
in
(Cr
) of I501
?
Check Q515, Q516, Q517
No
(RF/Composit Video/S-Video)
Yes
Yes
No
No
RF or Composit Video ?
Is waveform at
1pin(CV) of I504?
Yes (RF or Composit Video)
Are waveforms at
44pin(Y) and 43pin(C)
of I504
?
No
(S-Video)
Yes
Check I504
Yes
Check I504
Are waveforms at
56pin(Y) and 58pin(C)
of I201
?
Yes
Check Q512, Q513
No
Check Q206 and Q511
Is waveform at
53pin(CV) of I201?
No
No
No
Check I201 and Input terminal
Yes
RF Input?
Check I201 and Input terminal
Yes (RF)
Is waveform at
60pin(CV) of I201?
Yes
Check I201
No
Check U102
Sub Picture
[Main PWB Circuit
]
No(Composit Video)
Summary of Contents for 37LD8800TA
Page 56: ...56 55PD8800 37LD8800 MEMO ...
Page 57: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 57 55PD8800 37LD8800 PWB assembly MAIN 1 PW3 ...
Page 58: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 58 55PD8800 37LD8800 PWB assembly MAIN 2 PW3 ...
Page 59: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 59 55PD8800 37LD8800 PWB assembly MAIN 3 PW3 ...
Page 60: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 60 55PD8800 37LD8800 PWB assembly MAIN 4 PW3 ...
Page 61: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 61 55PD8800 37LD8800 PWB assembly MAIN 5 PW3 ...
Page 62: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 62 55PD8800 37LD8800 PWB assembly LED PDP PW3 ...
Page 63: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 63 55PD8800 37LD8800 PWB assembly LED LCD PW3 ...
Page 64: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 64 55PD8800 37LD8800 PWB assembly SWIEVEL PW3 ...
Page 65: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 65 55PD8800 37LD8800 PWB assembly FILTER PW3 ...
Page 66: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 66 55PD8800 37LD8800 PWB assembly Sub POWER PW3 ...
Page 67: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 67 55PD8800 37LD8800 PWB assembly TERM PW3 ...
Page 68: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 68 55PD8800 37LD8800 PWB assembly CONTROL PW3 ...
Page 69: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 69 55PD8800 37LD8800 PWB assembly SENSOR PW3 ...
Page 70: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 70 55PD8800 37LD8800 PWB assembly SOUND PW3 ...
Page 71: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 71 55PD8800 37LD8800 PWB assembly SW PW3 ...
Page 72: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 72 55PD8800 37LD8800 PWB assembly FC 1 PW3 ...
Page 73: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 73 55PD8800 37LD8800 PWB assembly FC 2 PW3 ...
Page 74: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 74 55PD8800 37LD8800 PWB assembly FC 3 PW3 ...
Page 75: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 75 55PD8800 37LD8800 PWB assembly FC 4 PW3 ...
Page 76: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 76 55PD8800 37LD8800 PWB assembly FC 5 PW3 ...
Page 77: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 77 55PD8800 37LD8800 PWB assembly FC 6 PW3 ...
Page 78: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 78 55PD8800 37LD8800 PWB assembly FC 7 PW3 ...
Page 79: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 79 55PD8800 37LD8800 PWB assembly FC 8 PW3 ...
Page 80: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 80 55PD8800 37LD8800 PWB assembly FC 9 PW3 ...
Page 81: ...1 2 3 4 5 6 1 2 3 4 5 6 A B C D E F G 81 55PD8800 37LD8800 PWB assembly FC 10 PW3 ...
Page 90: ...90 55PD8800 37LD8800 11 Block diagram ...
Page 91: ...91 55PD8800 37LD8800 12 Connection diagram to connection diagram 2 2 Connection diagram 1 2 ...
Page 92: ...92 55PD8800 37LD8800 Connection diagram 2 2 to connection diagram 1 2 ...
Page 128: ...YK No 022E Printed in Japan JE QR66412 55PD8800 37LD8800 Digital Media Division ...