No Power On - HP VF15 Service Manual
15-inch lcd monitor
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Also See for VF15:
- Quick user manual (2 pages) ,
- Specifications (1 page) ,
- User manual (48 pages)
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10 No power ON
Is there 12V DC supply on pin 1 of
Is there 5V DC ouput pin of P309?
Is there 3.3V and 2.5V output from
Precess section 8 "Checking the
resolution change IC movement"
P309.
NG
OK
1) Power board failure.
2) I301 failure.
NG
OK
1) Power board failure.
2) C418, C416, C417 short.
3) I309 failure.
pin 4 of I309 and pin 5
NG
OK
1) I309 failure
vf15 / FP15 / f1523 / FP5315
Failure point
Failure point
Failure point
Page 23
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