FUNAI BH2-M200 Service Manual page 26

FLOW CHART NO.5
VIDEO E-E does not appear normally.
Are the video signals inputted to each pin of IC3004?
IC3004 17PIN VIDEO-IN 1 (AV1)
IC3004 19PIN VIDEO-IN 2 (AV2)
Is the video signal outputted to Pin(35) of IC3004?
Are the video signals outputted to each pin of CN3001?
CN3001 4PIN VIDEO-Y(I/P)
CN3001 6PIN VIDEO-Pr/Cr
CN3001 2PIN VIDEO-Pb/Cb
CN3001 15PIN VIDEO-OUT
Are the video signals shown above inputted into each
pin of IC3004?
IC3004 44PIN VIDEO-Y(I/P)
IC3004 42PIN VIDEO-Pr/Cr
IC3004 46PIN VIDEO-Pb/Cb
IC3004 40PIN VIDEO-OUT
Are the video signals outputted to each pin of IC3004?
IC3004 14PIN VIDEO-OUT 1 (AV1)
IC3004 12PIN VIDEO-OUT 2 (AV2)
IC3004 16PIN VIDEO-OUT
Are the video signals outputted to the specific
output terminal?
Are the composite video signals outputted to
the VIDEO OUT (AV1) terminal (JK3002)?
Are the composite video signals outputted to
the VIDEO OUT (AV2) terminal (JK3501)?
Are the composite video signals outputted to
the VIDEO OUT terminal (JK3001)?
Yes
Yes
Yes
Yes
Yes
No
Check the line between video input terminal and
each pin of IC3004, and service it if defective.
IC3004 17PIN
IC3004 19PIN
Is 5V voltage supplied to Pin(5, 9, 13, 24, 28, 30, 43)
No
of IC3004?
Is 12V voltage supplied to Pin(29) of IC3004?
Yes
Replace IC3004.
No
Replace the BD Mechanism Assembly or BD/HDD
Main CBA Unit.
Check the line between each pin of CN3001 and
each pin of IC3004, and service it if defective.
No
→ IC3004
CN3001 4PIN
→ IC3004
CN3001 6PIN
→ IC3004
CN3001 2PIN
→ IC3004
CN3001 15PIN
Is 5V voltage supplied to Pin(5, 9, 13, 24, 28, 30, 43)
No
of IC3004?
Is 12V voltage supplied to Pin(29) of IC3004?
Yes
Replace IC3004.
No Check the periphery of JK3002 from Pin (14) of IC3004
and service it if defective.
Check the periphery of JK3501 from Pin (12) of IC3004
No
and service it if defective.
Check the periphery of JK3001 from Pin (16) of IC3004
No
and service it if defective.
1-12-5
→ JK3002
VIDEO-IN 1 (AV1)
→ JK3501
VIDEO-IN 2 (AV2)
No
Check the P-ON+5V, P-ON+12V
line and service it if defective.
44PIN VIDEO-Y(I/P)
42PIN VIDEO-Pr/Cr
46PIN VIDEO-Pb/Cb
40PIN VIDEO-OUT
No
Check the P-ON+5V, P-ON+12V
line and service it if defective.
E4V20TR