1-10-5 E8E6DTR
FLOW CHART NO.5
Picture does not appear normally.
Set the disc on the disc tray, and playback.
Are the video signals outputted to each pin of
CN1601?
Replace the DVD Main CBA Unit or the DVD
Mechanism.
Check the line between each pin of CN1601 and
each pin of IC1402, and service it if defective.
Is approximately 5V voltage applied to the
Pin(4, 12) of IC1402?
Replace IC1402.
Check DVD-P-ON+5V line and service it if defective.
Check the periphery of JK1403 from Pins (10, 11,
13) of IC1402 and service it if defective.
Check the periphery of JK1401 from
Pin (13) of IC1402 and service it if defective.
Check the periphery of JK1401 from
Pin (15) of IC1402 and service it if defective.
CN1601 8PIN → IC1402 3PIN VIDEO-(I/P)
CN1601 6PIN → IC1402 6PIN VIDEO-Pb/Cb
CN1601 4PIN → IC1402 8PIN VIDEO-Pr/Cr
CN1601 10PIN → IC1402 1PIN VIDEO-C
Are the video signals shown above inputted into
each pin of IC1402?
Are the video signals outputted to each pin
of IC1402?
Are the video signals outputted to the specific
output terminal?
Are the component video signals outputted to the
VIDEO OUT terminal (JK1403)?
Are the luminance signals outputted to the
S-OUT terminal (JK1401)?
Are the chroma signals outputted to the
S-OUT terminal (JK1401)?
Ye s
Ye s
Ye s
Ye s
No
No
No
No
No
No
No
No
CN1601 8PIN VIDEO-Y(I/P)
CN1601 6PIN VIDEO-Pb/Cb
CN1601 4PIN VIDEO-Pr/Cr
CN1601 10PIN VIDEO-C
IC1402 3PIN VIDEO-Y(I/P)
IC1402 6PIN VIDEO-Pb/Cb
IC1402 8PIN VIDEO-Pr/Cr
IC1402 1PIN VIDEO-C
IC1402 13PIN VIDEO-Y(I/P)
IC1402 11PIN VIDEO-Pb/Cb
IC1402 10PIN VIDEO Pr/Cr
IC1402 15PIN VIDEO-C
IC1402 14PIN DVD VIDEO
Are the composite video signals outputted to
the VIDEO OUT terminal (JK751)?
Are the composite video signals outputted to
Pin(15) of IC751?
Replace IC751. Replace IC501.
Check the line between Pin(15) of IC751 and JK751
and service it if defective.
Are the "L" pulse inputted into Pin(9,10,11) of IC751?
Ye s No
No
Ye s
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