Acer AL1716 Service Manual - Page 33

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
Output Voltage
Unstable
Check Vbe of 801
below 0.3V
YES
Check reference
voltage
YES
Check feedback
circuit
YES
END
NG
Check circuit if short
YES
Check Q801,
NG
Check pinR of IC801
YES
Check R810,
NG
Check Vpin3-4 of
IC801 about 6V
Check Vpin1-2 of IC801
Check
R809, R814
NG
YES
Q802
NG
YES
R811
NG
YES
about 1V
YES
33
Check ZD801,
ZD802, ZD803,
D803, D805
Check R809,
R814, IC801,
R818
Check C815,
D806, R812