Toshiba D-R560KU Service Manual page 22

FLOW CHART NO.20
VIDEO E-E does not appear normally.
Are the video signals inputted to each pin of
IC1301?
IC1301 8PIN VIDEO-IN 1 (REAR)
IC1301 13PIN Y-IN 1 (REAR)
IC1301 2PIN C-IN 1 (REAR)
IC1301 10PIN VIDEO-IN 2 (FRONT)
IC1301 15PIN Y-IN 2 (FRONT)
IC1301 4PIN C-IN 2 (FRONT)
IC1301 12PIN TUNER-VIDEO
IC1301 17PIN DTV-Y
IC1301 6PIN DTV-C
Are the video signals outputted to each pin of
IC1301?
IC1301 19PIN VIDEO-Y/CVBS-IN
IC1301 21PIN VIDEO-C-IN
Are the video signals outputted to each pin of
CN1101?
CN1101 20PIN VIDEO-Y/CVBS-IN
CN1101 22PIN VIDEO-C-IN
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
Continued to A on the next page.
Yes
Yes
Yes
Yes
Yes
Yes
No
Check the line between video input terminal and
each pin of IC1301.
IC1301 8PIN
IC1301 13PIN
IC1301 2PIN
IC1301 10PIN
IC1301 15PIN
IC1301 4PIN
IC1301 12PIN
IC1301 17PIN
IC1301 6PIN
No
Is 5V voltage supplied to the pin(1) of IC1301?
Yes
Replace P1
(AV ASSEMBLY).
Check the line between each pin of IC1301 and each
No
pin of CN1101, and replace P1(AV ASSEMBLY)
if defective.
IC1301 19PIN
21PIN
IC1301
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).
1-8-6
→ JK2106
VIDEO-IN 1 (REAR)
→ JK2105
Y-IN 1 (REAR)
→ JK2105
C-IN 1 (REAR)
→ JK2102
VIDEO-IN 2 (FRONT)
→ JK2101
Y-IN 2 (FRONT)
→ JK2101
C-IN 2 (FRONT)
→ TU1701
4PIN TUNER-VIDEO
→ CN1752
18PIN DTV-Y
→ CN1752
20PIN DTV-C
No
Check VIDEO+5V line and replace
P1(AV ASSEMBLY) if defective.
→ CN1101
20PIN VIDEO-Y/CVBS-IN
→ CN1101
22PIN VIDEO-C-IN
→ 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