ViewSonic VX2000 Service Manual - Page 28
A. Power Circuit Troubleshooting, B. Performance Troubleshooting - adapter
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5-2.1 A. Power Circuit Troubleshooting Start Change AC/DC Adapter Yes No Change Main Board Yes End VX2000 series VX2000 Series Service Manual 5-2.2 B. Performance Troubleshooting Start Is screen black ? Yes Change No Inverter Board Change Main Board No No Yes Yes Change LCD Panel Yes Is screen white ? Yes Change No FPC Cable Change Main Board No No Yes Yes Change LCD Panel Yes Abnormal Color ? Yes No Change No Main Board Yes Change LCD Panel Yes End ViewSonic Corporation Confidential - Do Not Copy VX2000-1 5-2
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VX2000 Series Service Manual
VX2000 series
Start
Change
Main Board
Change
AC/DC
Adapter
Yes
Yes
No
5-2.1
A. Power Circuit Troubleshooting
End
5-2.2
B. Performance Troubleshooting
Start
Yes
No
Change
LCD Panel
Change
Main Board
Is screen white ?
Yes
Yes
No
Yes
No
Change
LCD Panel
Change
Main Board
Abnormal Color ?
Yes
Yes
No
Yes
Change
FPC Cable
No
Yes
No
Change
LCD Panel
Change
Main Board
Is screen black ?
Yes
Yes
No
Yes
Change
Inverter Board
No
ViewSonic Corporation
5-2
Confidential – Do Not Co
py
VX2000-1
End