Panasonic PT-AE8000U Service Manual page 27

 VIDEO Input checks
Check the picture out of the S-VIDEO input.
A Check the output waveform of L1002 (CVBS).
Check the output waveform of IC1004 (LPF) 6pin.
A
Check the output waveform of R2014 (CVBS).
A
Check the output wave form of IC1046.
A AW_LOUT1CKN : R1471
AW_LOUT2CKN : R1477
Replace the A-P.C.Board.
A
 S-VIDEO Input checks
Check the picture out of the VIDEO input.
A Check the output waveform of L1001(Y) and L1000(C).
Check the output waveform of IC1004 (LPF) 8pin(Y)
A
and 7pin(C).
Check the output waveform of R2012(Y) and
A
R2013(C).
Check the output wave form of IC1046.
A AW_LOUT1CKN : R1471
AW_LOUT2CKN : R1477
Replace the A-P.C.Board.
A
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
NG
NG
A Check L1002 and around them.
NG
Check IC1004 and around them.
A
NG
Check R2014 and around them.
A
NG
Follow the section "Main microprocessor checks".
NG
NG
A Check L1000, L1002 and around them.
NG
A Check IC1004 and around them.
NG
A Check R2012, R2013 and around them.
NG
Follow the section "Main microprocessor checks".
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