37
32PD7800/42PD7800 (PW2)
Trouble of Sub picture
Are waveforms at
TP68(Y), TP69(Cb)
and TP6A(Cr) ?
Check Formatter PWB
Yes
No
Are waveforms at
42pin(Y), 44pin(Cb)
and 46pin(Cr) of I601?
Check Q607, Q608 and Q609
Yes
No
Component Input ?
Check I601 and Input terminals
YES (Component Video)
No
(RF/Composite Video/
S-Video/HDMI)
Are waveforms at
78pin(Y), 80pin(Cb)
and 2pin(Cr) of I601?
Check I601
Yes
No
Are waveforms at
21pin(Y), 22pin(Cb)
and 23pin(Cr) of I502?
Check Q508, Q509 and Q510
Yes
No
RF Input or Composite
Video Input ?
YES (RF/Composite Video)
No
(S-Video)
HDMI Input ?
Yes (HDMI)
No
(RF/Composite Video/S-Video)
Are waveforms at
25pin(Y), 27pin(Cb)
and 29pin(Cr) of I601?
Check I601
Check HDMI PWB
Yes
No
Is waveform at
1pin(CV) of I502?
Check I502
Yes
No
Is waveform at
53pin(CV) of I201?
Check Q209 and Q511
RF Input ?
Yes
No
Check I201 and SUB-TUNER PWB
Yes (RF)
No
(Composite Video)
Check I201 and Input terminal
Are waveforms at
44pin(Y) and 43pin(C)
of I502?
Check I502
Are waveforms at
56pin(Y) and 58pin(C)
of I201?
Yes
No
Check Q512 and Q513
Check I201 and Input terminal
Yes
No
Содержание 32PD7800
Страница 10: ...10 32PD7800 42PD7800 PW2 Block diagram ...
Страница 45: ...45 32PD7800 42PD7800 9 Basic circuit diagram 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 46: ...46 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 47: ...47 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 48: ...48 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 49: ...49 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 50: ...50 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 51: ...51 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 52: ...52 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 53: ...53 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 54: ...54 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Страница 105: ...105 32PD7800 42PD7800 PW2 MEMO ...
Страница 106: ...YK No 013E Digital Media Division Printed in Japan JE QR62851 32PD7800 42PD7800 ...