Philips DVP3345V/17 Service Manual page 28

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?
CN1601 8PIN VIDEO-Y(I/P)
CN1601 6PIN VIDEO-Pb/Cb
CN1601 4PIN VIDEO-Pr/Cr
CN1601 1PIN VIDEO-Y(I)
CN1601 10PIN VIDEO-C
Are the video signals shown above inputted into
each pin of IC1402 and IC1403?
IC1402 3PIN VIDEO-Y(I/P)
IC1402 6PIN VIDEO-Pb/Cb
IC1402 8PIN VIDEO-Pr/Cr
IC1403 3PIN VIDEO-Y(I)
IC1403 1PIN VIDEO-C
Are the video signals outputted to each pin
of IC1402 and IC1403?
IC1402 13PIN VIDEO-Y(I/P)
IC1402 11PIN VIDEO-Pb/Cb
IC1402 10PIN VIDEO Pr/Cr
IC1403 5PIN VIDEO-Y(I)
IC1403 7PIN VIDEO-C
IC1403 6PIN DVD VIDEO
Are the video signals outputted to the specific
output terminal?
Are the luminance signals outputted to the
S-OUT terminal (JK1401)?
Are the chroma signals outputted to the
S-OUT terminal (JK1401)?
Are the component video signals outputted to the
VIDEO OUT terminal (JK1403)?
Are the composite video signals outputted to
the VIDEO OUT terminal (JK751)?
Are the composite video signals outputted to
Pin(15) of IC751?
Are the "L" pulse inputted into Pins(9,10,11) of IC751?
Replace IC501.
Yes
Yes
Yes
No
No
No
Replace the DVD Main CBA or the DVD
Mechanism.
Check the line between each pin of CN1601 and
each pin of IC1402 and IC1403, and service it if
defective.
No
8PIN → IC1402
CN1601
6PIN → IC1402
CN1601
4PIN → IC1402
CN1601
1PIN → IC1403
CN1601
CN1601 10PIN → IC1403
Check DVD-P-ON+5V line and service it if defective.
No
Is 5V voltage applied to the Pin(4, 12) of
IC1402 and Pin(4) of IC1403 ?
Replace IC1402 or IC1403.
Check the periphery of JK1401 from
No
Pin (5) of IC1403 and service it if defective.
Check the periphery of JK1401 from
No
Pin (7) of IC1403 and service it if defective.
Check the periphery of JK1403 from Pins (10, 11,
No
13) of IC1402 and service it if defective.
No
Yes
Check the line between Pin(15) of IC751 and JK751
and service it if defective.
Yes
Replace IC751.
1-12-5
3PIN VIDEO-(I/P)
6PIN VIDEO-Pb/Cb
8PIN VIDEO-Pr/Cr
3PIN VIDEO-Y(I)
1PIN VIDEO-C
No
Yes
E8E20TR