6.2 No display on screen (Screen is black, LED is off).
AC power on and DC power on
Check that C265 positive is at 18V LED is light or not?
Follow item 6.1
Q258, D252, L263, L254Check C276 pin8 is 18V
Q251, Q262 failureInverter failure
Yes
Yes
Yes
Yes
No
No
No
ViewSonic Corporation Confidential
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Do Not Copy VP231wb
34
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