Fault flow chart 2.5
Fault symptom:
- No stand-by light
- Unable to use/remote BS4
Possible causes:
- PCB6, SMPS
- Fuse F0
Measure mains supply
Fuse F0 OK?
Replace defect fuse
Connections from
PCB6 to other
boards OK?
Re-create connection
Replace PCB6, SMPS
Fault symptom:
- No sound in headphone
Possible causes:
- PCB9, headphone connector
- PCB2, Master
Unplug headphone
Sound in speaker?
Switch to FM
Sound in speaker?
Change PCB2, Master
Plug another
headphone
Sound in headphone?
Connection from
PCB2 to PCB9 OK?
Re-establish
connection
Change PCB9,
Headphone
No
Yes
Change PCB2, Master
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK
Содержание BeoSound 4 2851
Страница 19: ...Fault flow chart 2 11 Placement of magnet 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 ...
Страница 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 ...
Страница 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 ...
Страница 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 ...
Страница 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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Страница 69: ...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 ...