2.6 Fault flow chart
Fault symptom:
- Unable to remote with turn wheel
Possible causes:
- Connection not OK
- Defect turn wheel
- PCB3, Magic open defect
Both wheels defect
Connection to PCB5,
PCB3 and keyboard
OK?
Change defect PCB5,
Turn wheel
Connection to PCB5,
PCB3, PCB6 and
keyboard OK?
Re-establish
connection
Keyboard OK?
Change PCB3, Magic
Fault symptom:
- Unable to use MasterLink
Possible causes:
- Wrong option setting
- ML cable
- PCB2, Master
No
Yes
Check option setting
Refer to user guide
OK?
Check ML cable
e.g. try another cable
Connect to another
product
OK?
Change PCB2, Master
Change cable
Fault symptom:
- No power
- Stand-by led not lit
- Unable to remote
Possible causes:
- PCB6, SMPS
Measure connection
to PCB6, SMPS
Measure mains supply
Fuse F0 OK?
Re-establish
connection
Change fuse
Change PCB6, SMPS
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK
Summary of Contents for BeoSound 4 2851
Page 20: ...2 12 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...
Page 21: ...Service Mode 3 Not completed A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...
Page 22: ...3 Service Mode Not completed A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...
Page 54: ...5 30 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...
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