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Fault flow chart 2.3
System
Fault symptom:
- No start up
- Standby light = No light
Possible causes:
- Missing Mains supply
- Blown mains fuse in BeoLab 7
- Blown mains fuse on Main power supply, PCB4
- Main power supply defect, PCB4
- Status display defect, PCB58
- Other faults in Main Chassis, Module 999
Confirm the Mains
supply is connected
and applied
- - - - - - - -
Mains is applied
- - - - - - - -
Mains supply applied
Connect Mains
supply
Connect Mains supply
directly to BeoVision 7
- - - - - - - -
TV OK?
- - - - - - - -
Blown fuse in BeoLab 7
Fuse F220 on PCB4
OK?
- - - - - - - -
Fuse on PCB4
Replace fuse F220 on
PCB4
- - - - - - - -
TV OK?
- - - - - - - -
Fuse on PCB4
Replace Main chassis
(module 999)
- - - - - - - -
Fault in the television
Check fuse in BeoLab 7
- - - - - - - -
Mains is applied
- - - - - - - -
Fuse in BeoLab 7
Fault may be located
in any of the PCBs
Replace Main Chassis
(module 999)
Replace
Status display
PCB58
BeoLab 7
F220
PCB4
Action
- - - - - - - -
Confirm
- - - - - - - -
Checked
No
Yes
Summary of Contents for BeoVision 7 MK II
Page 8: ...1...
Page 17: ...Fault flow chart 2 FP41 FP43 FP42 FP44 PCB4 PCB1 PCB8 PCB5...
Page 26: ...2 18...
Page 36: ...3 10...
Page 75: ...Replace 990 Module DVB S 5 21 3x TX20 11 Remove screws and pull out DVB S...
Page 86: ...5 32...
Page 104: ...8 11...
Page 105: ......
Page 106: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538047 06 06...