Acer AL1716 Service Manual - Page 34

Browse online or download pdf Service Manual for Monitor Acer AL1716. Acer AL1716 50 pages. 43.2cm(17”) tft color lcd monitor
Also for Acer AL1716: User Manual (17 pages), User Manual (10 pages), Service Manual (50 pages), Specifications (2 pages), Service Manual (47 pages), Service Manual (40 pages), Quick Start Manual (1 pages), User Manual (11 pages), User Manual (20 pages), Quick Start Manual (1 pages)

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Acer AL1716 Service Manual

2.3 Output power is unstable

Unstable power
Check
sampling
Circuit
YES
Check the R pin
voltage of IC803
about 2.5V
YES
Check pin1 of
IC802 voltage is
5.8V
YES
Check pin3 of
IC802 voltage
about 1V
YES
END
2.4 Backlight can't be turned on
NO
Check R810,
R811,R818
NO
Check the C pin
voltage of IC803
if
3V
YES
Check
R809, R808,
R814, D809
NO
Check D806,
C815 if short
Change
D806,
C815
NO
Change R801,
R805, R822,
R823, R817
NO
Change R810,
R811, R818
NO
Change IC803
34