Toshiba RD-97DTKB Service Manual page 24

FLOW CHART NO.20
[No Disc] indicated.
Both functions of picture and sound do not operate normally.
Replace the DVD MECHANISM & DVD/HDD MAIN
BOARD ASSEMBLY.
FLOW CHART NO.21
VIDEO E-E does not appear normally.
Are the video signals inputted to each pin of
IC005?
IC005 16PIN VIDEO-IN 1 (AV1)
IC005 14PIN VIDEO-IN (FRONT)
IC005 7PIN Y-IN 1 (FRONT)
IC005 9PIN C-IN 1 (FRONT)
IC005 12PIN VIDEO-IN 2 (AV2)
IC005 100PIN DTV-Y-IN
IC005 1PIN DTV-C-IN
IC005 20PIN TUNER-VIDEO
Are the video signals outputted to each pin of
IC005?
IC005 61PIN VIDEO-Y/CVBS-IN
IC005 59PIN VIDEO-C-IN
Are the video signals outputted to each pin of
CN1201?
CN1201 20PIN VIDEO-Y/CVBS-IN
CN1201 22PIN VIDEO-C-IN
Continued to A on the next page.
Yes
Yes
Yes
No
Check the line between video input terminal and
each pin of IC005.
IC005 16PIN
IC005 14PIN
IC005 7PIN
IC005 9PIN
IC005 12PIN
IC005 100PIN
IC005 1PIN
IC005 20PIN
No
Is 5V voltage supplied to the Pin(27,29,47,63) of IC005?
Yes
Replace IC005.
Check the line between each pin of IC005 and
No
each pin of CN1201 and service it if defective.
IC005 61PIN
59PIN
IC005
1-9-5
→ JK1206
VIDEO-IN 1 (AV1)
→ JK1201
VIDEO-IN (FRONT)
→ JK1212
Y-IN 1 (FRONT)
→ JK1212
C-IN 1 (FRONT)
→ JK1207
VIDEO-IN 2 (AV2)
→ CN1751
DTV-Y
26PIN
→ CN1751
DTV-C
28PIN
→ TU1701
TUNER-VIDEO
17PIN
No
Check AL+5V(2) line
and service it if defective.
→ CN1201
20PIN VIDEO-Y/CVBS-IN
→ CN1201
22PIN VIDEO-C-IN
E2J70TR