31
DVD-3800BDCI
Is 5V voltage supplied to the Pin(4,18) of IC2302
and Pin(4) of IC2303?
Replace IC2302
or IC2303.
Check P-ON+5V(2) line and
service it if detective.
Are the video signals outputted to each pin
of IC2302 or IC2303?
Yes
No
Yes
Yes
No
IC2302 20PIN VIDEO-Y(I/P)
IC2302 17PIN VIDEO-Pb/Cb
IC2302 15PIN VIDEO-Pr/Cr
IC2303 5PIN VIDEO-Y(I)
IC2303 6PIN VIDEO-CVBS
IC2303 7PIN VIDEO-C
Check the periphery of VIDEO OUT terminal
(JK2300, JK2304, JK2305) from Pin(15,17,20)
of IC2302 and service it if detective.
Check the periphery of VIDEO OUT terminal
(JK2302) from Pin(6) of IC2303 and service
it if detective.
Check the periphery of S-VIDEO OUT terminal
(JK2303) from Pin(5) of IC2303 and service
it if detective.
Check the periphery of S-VIDEO OUT terminal
(JK2303) from Pin(7) of IC2303 and service
it if detective.
Are the video signals outputted to the specific
output terminal?
Are the component video signals outputted to the
VIDEO OUT terminal (JK2300, JK2304, JK2305)?
Are the luminance video signals outputted to the
S-VIDEO OUT terminal (JK2303)?
Are the chrominance video signals outputted to the
S-VIDEO OUT terminal (JK2303)?
No
No
No
No
Are the composite video signals outputted to
the VIDEO OUT terminal (JK2302)?
FLOW CHART NO.19
Picture does not appear normally.
Set the disc on the disc tray, and playback.
Are the video signals outputted to each pin of
CN2301 or CN2304?
Replace the BE Main CBA Unit or FE Main CBA &
BD Mechanism Assembly.
Check the line between each pin of CN2301or
CN2304 and each pin of IC2302 or IC2303 on
the ,and service it if detective.
CN2304 9PIN
→
IC2303 3PIN VIDEO-Y(I)
CN2304 7PIN
→
IC2303 1PIN VIDEO-C
CN2301 1PIN
→
IC2302 1PIN VIDEO-Y(I/P)
CN2301 3PIN
→
IC2302 3PIN VIDEO-Pb/Cb
CN2301 5PIN
→
IC2302 5PIN VIDEO-Pr/Cr
Are the video signals shown above inputted into
each pin of IC2302 or IC2303?
Yes
No
No
CN2304 9PIN VIDEO-Y(I)
CN2304 7PIN VIDEO-C
CN2301 1PIN VIDEO-Y(I/P)
CN2301 3PIN VIDEO-Pb/Cb
CN2301 5PIN VIDEO-Pr/Cr
IC2303 3PIN VIDEO-Y(I)
IC2303 1PIN VIDEO-C
IC2302 1PIN VIDEO-Y(I/P)
IC2302 3PIN VIDEO-Pb/Cb
IC2302 5PIN VIDEO-Pr/Cr
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