Toshiba D-R265SE Service Manual page 21

FLOW CHART NO.19
[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
IC1201?
IC1201 16PIN VIDEO-IN 1 (AV1)
IC1201 14PIN VIDEO-IN (FRONT)
IC1201 7PIN Y-IN 1 (FRONT)
IC1201 9PIN C-IN 1 (FRONT)
IC1201 12PIN VIDEO-IN 2 (AV2/REAR)
IC1201 100PIN Y-IN 2 (REAR)
IC1201 1PIN C-IN 2 (REAR)
IC1201 20PIN TUNER-VIDEO
Are the video signals outputted to each pin of
IC1201?
IC1201 61PIN VIDEO-Y/CVBS-IN
IC1201 59PIN VIDEO-C-IN
Are the video signals outputted to each pin of
CN1201?
CN1201 10PIN VIDEO-Y/CVBS-IN
CN1201 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 IC1201.
IC1201 16PIN
IC1201 14PIN
IC1201 7PIN
IC1201 9PIN
IC1201 12PIN
IC1201 100PIN
IC1201 1PIN
IC1201 20PIN
No
Is 5V voltage supplied to the Pin(27,29,47,63) of IC1201?
Yes
Replace IC1201.
Check the line between each pin of IC1201 and
No each pin of CN1201 and service it if defective.
IC1201 61PIN
IC1201 59PIN
1-8-5
→ JK1206
VIDEO-IN 1 (AV1)
→ JK1201
VIDEO-IN (FRONT)
→ JK1212
Y-IN 1 (FRONT)
→ JK1212
C-IN 1 (FRONT)
→ JK2001
VIDEO-IN 2 (AV2)
→ JK1211
Y-IN 2 (REAR)
→ JK1211
C-IN 2 (REAR)
→ TU1701
TUNER-VIDEO
17PIN
No
Check AL+5V(2) line
and service it if defective.
→ CN1201
10PIN VIDEO-Y/CVBS-IN
→ CN1201
8PIN VIDEO-C-IN
E7B71TR