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Fault flow chart 2.
Fault symptom
- No colour(s)
Possible cause
- Video path
- Scaler
- LCD
Check colour settings
in OPTIONS - PICTURE
Restore correct
colour settings
Connect ServiceTool
to TV
Activate a test picture
in the scaler
“TEST MENU -
TEST PATTERNS”
Red, Blue, Green
Colours OK?
- - - - - - - -
LCD tested
LCD fault
- - - - - - - -
Fault in scaler output
Check W2 RGB
connection
Connection OK?
Re-establish
connection
Picture OK?
Replace
Main chassis
(module 999)
No
Yes
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK