39
32PD7800/42PD7800 (PW2)
Trouble of Sub picture
Are waveforms at
TP63(H) and
TP64(V)?
Check Formatter PWB
Yes
No
Are waveforms at
45pin(H) and 48pin(V)
of I601?
Check I602
Yes
No
Component Input ?
Check I601 and Input terminals
Yes (Component Video)
No
(RF/Composite Video/
S-Video/HDMI)
Are waveforms at
33pin(H) and 34pin(V)
of I601?
Check I601
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)
Is waveform at
25pin(Y) 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
Is waveform at
44pin(Y) of I502?
Check I502 and Q209
Is waveform at
56pin(Y) of I201?
Yes
No
Check Q512 and Q209
Check I201 and Input terminal
Yes
No
Summary of Contents for 32PD7800
Page 10: ...10 32PD7800 42PD7800 PW2 Block diagram ...
Page 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 ...
Page 46: ...46 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 47: ...47 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 48: ...48 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 49: ...49 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 50: ...50 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 51: ...51 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 52: ...52 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 53: ...53 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 54: ...54 32PD7800 42PD7800 1 2 3 4 5 6 6 1 2 3 4 5 D A B C E F G ...
Page 105: ...105 32PD7800 42PD7800 PW2 MEMO ...
Page 106: ...YK No 013E Digital Media Division Printed in Japan JE QR62851 32PD7800 42PD7800 ...
