Dc Output Voltage Is Unstable - Acer X163W Service Manual

Acer
2. DC output voltage is u
Output voltage unstable
nstable
Check Voltage of
ZD801 below
12V?
Check reference
voltage
Check feedback
circuit
END
Check circuit
if short
Check ZD801
Check Pin R of
IC803 voltage
about 2.5V
Check R810, R811
Check Vpin2-4
of IC801 is 1V
Check IC801
have output
Change IC
36
Acer –LCD-X163W
Check ZD801, D803,
D805
Check R809, IC801,
Check R817,
C815, D806