Bang & Olufsen BeoVision MX 4200 Manual Del Usuario página 10

2.8 Fault fl ow chart, English
Sound
Check aerial connection
No sound in
internal
loudspeakers
No bass
no treble
Are both left/right
without sound?
Disconnect 10P32
OK?
Replace PCB59
Are both left/right
or without bass or
without treble?
Replace main
chassis
OK?
No
Yes
Find channel in
speakertable and
Replace speakerbox
measure.
Measurement OK?
Replace main
chassis
Replace main
The TV should be
chassis
OK?
workshop for repair
Find speakerunit in
speakertable and
Speakerunit OK?
Replace main
Replace speakerbox
taken to a
Replace speakerunit
measure. or speakerbox
Replace speakerbox
chassis
OK?