Toshiba D-R410KU Service Manual page 22

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.19
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 5PIN VIDEO-Y(I/P)
CN1101 3PIN VIDEO-Pr/Cr
CN1101 1PIN VIDEO-Pb/Cb
CN1101 7PIN 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
Yes (VIDEO-Y(I/P),Pr/Cr,Pb/Cb)
Is the video shignal outputted to Pin (15) of
IC1022?
Continued to B on the next page.
A
Yes
Yes
Yes (VIDEO-CVBS)
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 (15) of
IC1022 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 5PIN
CN1101 3PIN
CN1101 1PIN
CN1101 7PIN
No
Is 5V voltage applied to the Pin(4, 12) of
IC1401?
Yes
Replace P1
(AV ASSEMBLY).
No
Is the "L" pulse inputted to Pin (9, 10, 11) of
IC1022?
Yes
Replace P1
(AV ASSEMBLY).
1-8-6
→ 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.
No
Check the line between Pin (9, 10,
11) of IC1022 and Pin (37) of
IC1501, and replace
P1(AV ASSEMBLY) if defective.
E7K7ATR