FLOW CHART NO.21
Picture does not appear normally.
Set the disc on the disc tray, and playback.
No
Are the video signals outputted to each pin of Replace the DVD MECHANISM & DVD MAIN
CN1201 on the BOARD POWER?BOARD ASSEMBLY.
CN1201 24PINVIDEO-Y(I/P)-OUT
CN1201 30PINVIDEO-Y(I)-OUT
CN1201 26PINVIDEO-Cr/Pr-OUT
CN1201 28PINVIDEO-Cb/Pb-OUT
CN1201 22PINVIDEO-C-OUT
Yes
Are the video signals shown above inputted into Check the line between each pin of CN1201 and
each pin of IC1201?Noeach pin of IC1201, and service it if defective.
IC1201 51PINVIDEO-Y(I/P)-OUTCN1201 24PIN ? IC1201 51PIN VIDEO-Y(I/P)-OUT
IC1201 55PINVIDEO-Y(I)-OUTCN1201 30PIN ? IC1201 55PIN VIDEO-Y(I)-OUT
IC1201 52PINVIDEO-Cr/Pr-OUTCN1201 26PIN ? IC1201 52PIN VIDEO-Cr/Pr-OUT
IC1201 53PINVIDEO-Cb/Pb-OUTCN1201 28PIN ? IC1201 53PIN VIDEO-Cb/Pb-OUT
IC1201 57PINVIDEO-C-OUTCN1201 22PIN ? IC1201 57PIN VIDEO-C-OUT
Yes
Are the video signals outputted to each pin of
IC1201?
IC1201 40PINVIDEO-Y
IC1201 39PINVIDEO-Cr/PrNoIs 5V voltage applied to the Pin(27,29,47,63) of
IC1201 38PINVIDEO-Cb/PbIC1201?
IC1201 36PINY-OUT
YesNo
IC1201 34PINC-OUT
Replace IC1201.Check AL+5V(2) line
IC1201 30PINVIDEO-OUT 1 (AV1)
and service it if defective.
IC1201 22PINVIDEO-OUT 2 (AV2)
Yes
Are the video signals outputted to the specific
output terminal?
Are the luminance signals outputted to the NoCheck the periphery of JK1213 from
S-VIDEO OUT terminal (JK1213)?Pin (36) of IC1201 and service it if defective.
Are the chroma signals outputted to the NoCheck the periphery of JK1213 from
S-VIDEO OUT terminal (JK1213)?Pin (34) of IC1201 and service it if defective.
Are the Y, Cb, Cr signals outputted to the NoCheck the periphery of JK1205 from Pin (38,39,
COMPONENT OUT terminal (JK1205)?
40) of IC1201 and service it if defective.
Are the composite video signals outputted to No
Check the periphery of JK1206 from Pin (30) of
the VIDEO OUT (AV1) terminal (JK1206)?
IC1201 and service it if defective.
Are the composite video signals outputted to No
Check the periphery of JK2001 from Pin (22) of
the VIDEO OUT (AV2) terminal (JK2001)?
IC1201 and service it if defective.
1-8-7E7B71TR |
ACEC
