Read Sharp DV-SL10H (serv.man9) Service Manual online
1-8-6
E5752TS
FLOW CHART NO.22
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 on the AV CBA?
Replace the DVD Main CBA or DVD Mecha.
Check the line between each pin of CN1601 and
each pin of IC1401 on the AV CBA, and service it
if detective.
each pin of IC1401 on the AV CBA, and service it
if detective.
Is 5V voltage applied to the pin(1, 24) of
IC1401?
IC1401?
Replace IC1401.
Check P-ON+5V line and
service it if detective.
service it if detective.
CN1601 1PIN
→
IC1402 6PIN S-Y
CN1601 9PIN
→
IC1402 2PIN S-C
CN1601 7PIN
→
IC1402 16PIN G
CN1601 5PIN
→
IC1402 12PIN B
CN1601 3PIN
→
IC1402 14PIN R
Are the video signals shown above inputted into
each pin of IC1401?
each pin of IC1401?
Are the video signals outputted to each pin
of IC1401?
of IC1401?
Yes
Yes
No
Yes
Yes
No
No
No
CN1601 1PIN S-Y
CN1601 9PIN S-C
CN1601 7PIN G
CN1601 5PIN B
CN1601 3PIN R
CN1601 9PIN S-C
CN1601 7PIN G
CN1601 5PIN B
CN1601 3PIN R
IC1402 6PIN S-Y
IC1402 2PIN S-C
IC1402 16PIN G
IC1402 12PIN B
IC1402 14PIN R
IC1402 2PIN S-C
IC1402 16PIN G
IC1402 12PIN B
IC1402 14PIN R
IC1402 31PIN CVBS
IC1402 28PIN S-Y
IC1402 33PIN S-C
IC1402 19PIN G
IC1402 25PIN B
IC1402 22PIN R
IC1402 28PIN S-Y
IC1402 33PIN S-C
IC1402 19PIN G
IC1402 25PIN B
IC1402 22PIN R
Check the periphery of JK1404 from Pins (19, 22,
25) of IC1401 and service it if detective.
25) of IC1401 and service it if detective.
Check the periphery of JK1402 and JK1404 from
Pin(31) of IC1401 and service it if detective.
Pin(31) of IC1401 and service it if detective.
Check the periphery of JK1401 from
Pin (28) of IC1401 and service it if detective.
Pin (28) of IC1401 and service it if detective.
Check the periphery of JK1401 from
Pin (33) of IC1401 and service it if detective.
Pin (33) of IC1401 and service it if detective.
Are the video signals outputted to the specific
output terminal?
output terminal?
Are the component video signals outputted to the
VIDEO OUT terminal (JK1404)?
VIDEO OUT terminal (JK1404)?
Are the luminance signals outputted to the
S-OUT terminal (JK1401)?
S-OUT terminal (JK1401)?
Are the chroma signals outputted to the
S-OUT terminal (JK1401)?
S-OUT terminal (JK1401)?
No
No
No
No
Are the composite video signals outputted to
the VIDEO OUT terminal (JK1402, JK1404)?
the VIDEO OUT terminal (JK1402, JK1404)?
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