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2.8 Fault flow chart
Fault symptom
- Bad or missing DAB sound
Possible cause
- Aerial connection
- PCB37, DAB module defect
- Cable W2, W24 or W02 defect
- PCB88, interface defect
- Main chassis defect
- DAB antenna defect
Press RADIO on Beo4
No available DAB
stations?
Go to next
page
Go to Service Menu
Is it possible to read
SW version of DAB
module in RADIO
INFORMATION sub
menu?
Confirm 5V on PCB37
P0 pin7-9
Confirm 8V on PCB88
P07 pin5
Replace
Main chassis
(module 999)
No
Yes
Replace PCB37, DAB
module
Replace PCB88,
Interface module
Perforn a new auto
tuning
Press MENU-TUNING-
AUTOTUNING
Problem solved?
Replace PCB37
DAB module
Note:
This command delete
existing programs!
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK