Toshiba D-R265SE Service Manual page 23

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