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20" LCD Color Monitor
8. Maintainability
8.1 Equipments and Tools Requirement
Voltmeter; Oscilloscope; Pattern Generator; DDC Tool with an IBM Compatible Computer; Alignment Tool;
LCD Color Analyzer; Service Manual; User Manual.
8.2 Trouble Shooting
8.2.1 Main Board
No Power
Please reinsert and make sure
the AC of 100-240 is normal
No power
Press power key and look
if the picture is normal
NG
OK
Measure Q702 Vc out =1.8V
U702 PIN2=3.3V
OK
X401 oscillate waveforms
are normal
OK
Replace U401
NG
Reinsert or check the
Adapter/Inverter section
NG
Check CN701 or replace
Q702, U702
NG
Replace X401
33
Adelpia TGL2010A
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