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White screen
Check Correspondent
component.
Note: 1. If Replace "MAIN-BOARD", Please re-do "DDC-content" programmed & "WHITE-Balance".
2. If Replace " PWPC" only, Please re-do " WHITE-Balance"
All manuals and user guides at all-guides.com
White screen
Measure Q701 base
is high level?
OK
Check Q701, Q702 is
broken or CN407 solder?
NG
OK
Replace Panel
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U402 is normal
OK
Replace U402
NG
Replace X401
NG
Check Correspondent
component.
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