ViewSonic VX2739wm-1 Service Manual page 68

4. White-black screen after booting
5. Black screen after booting
FAIL
FAIL
FAIL
FAIL
ViewSonic Corporation
Abnormal screen
Double check
abnormal system
Disassembles LCD
cover &check LVDS
cable at its place
Assembly
machine to test
Test LVDS cable
Replace PSU
&test
Replace MB
&test
Replace
PANEL &test
PASS
NG
Rearrange LVDS
cable & assembly
machine to test
PASS
PASS
PASS
PASS
PASS
CONFIDENTIAL – DO NOT COPY
68
The nondefective
VX2739wm-1
VX2739wm-CN