1-8-5
E7A70TR
FLOW CHART NO.19
The disc tray cannot be opened and closed.
Both functions of picture and sound do not operate normally.
Are the video signals outputted to each pin of
CN1101?
Is 5V voltage supplied to the pin(1) of IC1301?
Replace IC1301.
Check VIDEO+5V line
and service it if defective.
Yes
No
Yes
No
FLOW CHART NO.20
VIDEO E-E does not appear normally.
Are the video signals inputted to each pin of
IC1301?
Check the line between video input terminal and
each pin of IC1301.
Are the video signals outputted to each pin of
IC1301?
Yes
No
No
IC1301
VIDEO-IN 1 (REAR)
8PIN
IC1301
Y-IN 1 (REAR)
13PIN
IC1301
VIDEO-Y/CVBS-IN
19PIN
IC1301
VIDEO-C-IN
21PIN
CN1101
VIDEO-Y/CVBS-IN
10PIN
CN1101
VIDEO-C-IN
8PIN
VIDEO-Y/CVBS-IN
10PIN
VIDEO-C-IN
8PIN
IC1301
C-IN 1 (REAR)
2PIN
IC1301
VIDEO-IN 2 (FRONT)
10PIN
IC1301
Y-IN 2 (FRONT)
15PIN
IC1301
C-IN 2 (FRONT)
4PIN
IC1301
TUNER-VIDEO
VIDEO-IN 1 (REAR)
Y-IN 1 (REAR)
C-IN 1 (REAR)
VIDEO-IN 2 (FRONT)
Y-IN 2 (FRONT)
C-IN 2 (FRONT)
TUNER-VIDEO
12PIN
IC1301
→
JK2106
8PIN
IC1301
→
JK2105
13PIN
IC1301
→
CN1101
19PIN
IC1301
→
CN1101
21PIN
Check the line between each pin of IC1301 and
each pin of CN1101 and service it if defective.
IC1301
→
JK2105
2PIN
IC1301
→
JK2102
10PIN
IC1301
→
JK2101
15PIN
IC1301
→
JK2101
4PIN
IC1301
→
TU1701
12PIN
17PIN
Continued to A on the next page.
Replace the DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY.
[No Disc] indicated.