ViewSonic VP2330WB Service Manual - Page 50
Black Screen, Change Power Board, Change Scalar M/B, Panel Break
UPC - 766907150919
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ViewSonic Corporation Confidential - Do Not Copy 47 VP2330wb
Black Screen
Check M/B Panel
ON/OFF CN7
PIN 8
3.3V
Change Power Board
Check M/B
CN7
PIN 7
Brightness MAX
3.3V
Change Scalar M/B
Change Scalar M/B
NG
NG
NG
Check Panel Vcc
5V
Panel Break
ViewSonic Corporation
Confidential - Do Not Copy
VP2330wb
47