Toshiba D-R560KU Service Manual page 23

Are the video signals outputted to the specific
output terminal?
Are the luminance signals outputted to the
S-VIDEO OUT terminal (JK2202)?
Are the chroma signals outputted to the
S-VIDEO OUT terminal (JK2202)?
Are the Y, Pb/Cb, Pb/Cr signals outputted to the
COMPONENT OUT terminal (JK2203)?
Are the composite video signals outputted to
the VIDEO OUT terminal (JK2201)?
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
CN1101?
CN1101 7PIN VIDEO-Y(I/P)
CN1101 5PIN VIDEO-Pr/Cr
CN1101 3PIN VIDEO-Pb/Cb
CN1101 9PIN VIDEO-C
Are the video signals shown above inputted into
each pin of IC1401?
IC1401 3PIN VIDEO-Y(I/P)
IC1401 8PIN VIDEO-Pr/Cr
IC1401 6PIN VIDEO-Pb/Cb
IC1401 1PIN VIDEO-C
Are the video signals outputted to each pin of
IC1401?
IC1401 13PIN VIDEO-Y(I/P)
IC1401 10PIN VIDEO-Pr/Cr
IC1401 11PIN VIDEO-Pb/Cb
IC1401 14PIN VIDEO-CVBS
IC1401 15PIN VIDEO-C
Are the video signals outputted to the specific
output terminal?
Are the luminance signals outputted to the
S-VIDEO OUT terminal (JK2202)?
Are the chroma signals outputted to the
S-VIDEO OUT terminal (JK2202)?
Are the Y, Pb/Cb, Pb/Cr signals outputted to the
COMPONENT OUT terminal (JK2203)?
Are the composite video signals outputted to
the VIDEO OUT terminal (JK2201)?
A
Yes
Yes
Yes
Check the periphery of JK2202 from Pin (13) of
No
IC1401 and replace P1(AV ASSEMBLY) if defective.
No Check the periphery of JK2202 from Pin (15) of
IC1401 and replace P1(AV ASSEMBLY) if defective.
No
Check the periphery of JK2203 from Pin (10,11,13)
of IC1401 and replace P1(AV ASSEMBLY) if defective.
No
Check the periphery of JK2201 from Pin (14) of
IC1401 and replace P1(AV ASSEMBLY) if defective.
No
Replace P2(DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY).
Check the line between each pin of CN1101 and each
pin of IC1401, and replace P1(AV ASSEMBLY)
No
if defective.
CN1101 7PIN
CN1101 5PIN
CN1101 3PIN
CN1101 9PIN
No
Is 5V voltage applied to the Pin(4, 12) of
IC1401?
Yes
Replace P1
(AV ASSEMBLY).
Check the periphery of JK2202 from Pin (13) of
No
IC1401 and replace P1(AV ASSEMBLY) if defective.
No Check the periphery of JK2202 from Pin (15) of
IC1401 and replace P1(AV ASSEMBLY) if defective.
No
Check the periphery of JK2203 from Pin (10,11,13)
of IC1401 and replace P1(AV ASSEMBLY) if defective.
No
Check the periphery of JK2201 from Pin (14) of
IC1401 and replace P1(AV ASSEMBLY) if defective.
1-8-7
→ IC1401
3PIN VIDEO-Y(I/P)
→ IC1401
8PIN VIDEO-Pr/Cr
→ IC1401
VIDEO-Pb/Cb
6PIN
→ IC1401
1PIN VIDEO-C
No
Check VIDEO+5V line and replace
P1(AV ASSEMBLY) if defective.
E7M70TR