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2.6 Fault flow chart
Fault symptom
- Bad or missing FM sound
Possible cause
- Aerial connection
- PCB85, FM module defect
- Cable W32 defect
- PCB88, Interface defect
- Main chassis defect
Press RADIO on Beo4
Note:
This command delete
existing programs!
Noise on all stations?
Perform a new auto
tuning
Press MENU - TUNING
- AUTOTUNING
Noise on single
channel?
Check aerial
connection?
Reconnect cable
Make sure that the
station is in range?
Replace FM tuner,
PCB85
Silence on all stations?
Scrolling text line is
functional
Silence on some
stations
No
Yes
Check cable W32
Reconnect cable W32
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK