Acer AL2017 Service Manual page 28
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Also See for AL2017:
- Service manual (37 pages) ,
- User manual (11 pages) ,
- Quick start manual (2 pages)
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7. Unstable Power
Unstable power
Check sampling
Circuit
Check the R pin
voltage of IC803
about 2.5V
Check pin2
of IC802
voltage is 3V
Check pin1 of
IC802 voltage
below 1V
Check R822,
R823, R824
Check the C
pin voltage of
IC803 if 3V
Check R819, R820
Check R818, D804,
C807 if short
Change
R818,
D804,
Change R808, R
809, R810, R 811,
R815,
END
27
Service Manual
Change R822,
R823, R824
Change
IC803
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