Toshiba D-RW2SU Service Manual page 21

FLOW CHART NO.19
The disc tray cannot be opened and closed.
[No Disc] indicated.
Both functions of picture and sound do not operate normally.
Replace the DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY.
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
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 10PIN VIDEO-Y/CVBS-IN
CN1101 8PIN VIDEO-C-IN
Continued to A on the next page.
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
No
Is 5V voltage supplied to the pin(1) of IC1301?
Yes
Replace IC1301.
Check the line between each pin of IC1301 and
No each pin of CN1101 and service it if defective.
19PIN
IC1301
IC1301 21PIN
1-8-5
→ 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 TUNER-VIDEO
17PIN
No
Check VIDEO+5V line
and service it if defective.
→ CN1101
10PIN VIDEO-Y/CVBS-IN
→ CN1101 8PIN VIDEO-C-IN
E7A70TR