Marantz DV6500 Service Manual page 22

FLOW CHART NO.20
Picture does not appear normally.
Set the disc on the disc tray, and playback.
Are the video signals outputted to each pin of
CN1601 on the AV CBA?
CN1601 1PIN S-Y
CN1601 4PIN Cr/Pr, R
CN1601 6PIN Cb/Pb, B
CN1601 8PIN Y, G
CN1601 10PIN S-C
Are the video signals shown above inputted into
each pin of IC1401, IC1402, IC1405?
S-VIDEO OUT,
VIDEO OUT is NG.
RGB OUT is NG.
Y, Cb/Pb, Cr/Pr is NG.
Are the video signals outputted to each pin
of IC1401, IC1402, IC1405?
S-VIDEO OUT,
VIDEO OUT is NG.
RGB OUT is NG.
Y, Cb/Pb, Cr/Pr is NG.
Are the video signals outputted to the specific
output terminal?
Are the luminance signals outputted to the
S-VIDEO OUT terminal (JK1401)?
Are the chroma signals outputted to the
S-VIDEO OUT terminal (JK1401)?
Are the compsite video signals outputted to the
VIDEO OUT terminal (JK1404)?
Are the R, G, B signals outputted to the
RGB OUT terminal (JK1405)?
Are the Y, Cb/Pb, Cr/Pr signals outputted to the
COMPONENT OUT terminal (JK1404)?
Yes
IC1401 3PIN S-Y
IC1401 1PIN S-C
IC1402 8PIN R
IC1402 3PIN G
IC1402 6PIN B
IC1405 3PIN Y
IC1405 6PIN Cb/Pb
IC1405 8PIN Cr/Pr
Yes
IC1401 5PIN S-Y
IC1401 7PIN S-C
IC1401 6PIN CVBS
IC1402 10PIN R
IC1402 13PIN G
IC1402 11PIN B
IC1405 13PIN Y
IC1405 11PIN Cb/Pb
IC1405 10PIN Cr/Pr
Yes
No
Replace the DVD Main CBA or DVD Mecha.
Check the line between each pin of CN1601 and
each pin of IC1401, IC1402, IC1405 on the AV
No CBA, and service it if detective.
1PIN → IC1401
CN1601
CN1601 10PIN → IC1401
4PIN → IC1404
CN1601
6PIN → IC1404 15PIN
CN1601
8PIN → IC1404 14PIN
CN1601
No
Is 5V voltage applied to the pin(4, 12) of
IC1402, IC1405 and pin (4) of IC1401?
Yes
Replace IC1401,
IC1402, IC1405.
Check the periphery of JK1401 from
No
Pin (5) of IC1401 and service it if detective.
Check the periphery of JK1401 from
No
Pin (7) of IC1401 and service it if detective.
No Check the periphery of JK1404 from
Pin (6) of IC1401 and service it if detective.
No
Check the periphery of JK1405 from Pins (10, 11,
13) of IC1402 and service it if detective.
No
Check the periphery of JK1404 from Pins (10, 11,
13) of IC1405 and service it if detective.
1-6-5
3PIN
1PIN
4PIN
5PIN → IC1402
IC1404
3PIN → IC1405
IC1404
2PIN → IC1402
IC1404
1PIN → IC1405
IC1404
IC1404 12PIN → IC1402
IC1404 13PIN → IC1405
No
Check P-ON+5V line and
service it if detective.
8PIN
8PIN
6PIN
6PIN
3PIN
3PIN
E59M7TR