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Fault flow chart 2.5
Fault symptom
- Bad or missing surround sound
Possible cause
- Bad configuration
- Defect PCB32, DSM board
- Defect Module 999, Main chassis
- Defect cable W3
Confirm settings in
MENU - OPTIONS -
SOUND - SPEAKER
TYPE.
Is front and rear set to
the correct
loudspeaker?
Correct settings
Is it possible to read
out AC3 SW version in
SERVICE MENU -
MONITOR SERVICE
MENU - SOUND
ADJUSTMENT?
Confirm 4V on
PCB32, P2, pin5
Visually inspect cable
W3
Cable OK?
Replace cable W3
Replace PCB32,
DSM board
Replace PCB32
DSM board
Replace Main chassis
(module 999)
Replace Main chassis
(module 999)
Replace Main chassis
(module 999)
No
Yes
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK