XV-DVR9H
131
5
7
8
5
6
7
8
C
D
F
A
B
E
Replace IC8701.
Yes
No
Do perform
5V
→
3V conversion
for pin 17 ?
Yes
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 15 ?
Pin 5
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 13 ?
Pin 7
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 11 ?
Pin 9
Yes
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 8 ?
Pin 12
Yes
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 6 ?
Pin 14
Yes
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 4 ?
Pin 16
Replace IC8702.
No
Do perform
3V
→
5V conversion
for pin 2 ?
Pin 18
Yes
End
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 11 ?
Pin 9
Yes
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 8 ?
Pin 12
Yes
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 6 ?
Pin 14
Yes
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 4 ?
Pin 16
Yes
Replace IC8701.
No
Do perform
5V
→
3V conversion
for pin 2 ?
Pin 18
Yes
Yes
A
B
B
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9
8
TEL 13942296513
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9
2
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4
2
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8
0
5
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299