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Fault flow chart 2.9
From previous
page
Backlight active?
Visual through
ribbons in back cover
- - - - - - - -
LCD active
No Backlight
See next page!
Connect ServiceTool
to TV
Communication
between ServiceTool
and TV OK?
- - - - - - - -
Scaler PCB + ML
connection
No
Yes
Activate a test picture
in the scaler “TEST
MENU” - “TEST
PATTERNS”
Picture OK?
- - - - - - - -
Video path scaler to
LCD
Check W2 RGB
connection
Connection OK?
Re-establish
connection
Picture OK?
Replace
Main chassis
(module 999)
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK