Bang & Olufsen BeoVision 1 Guía De Servicio página 11

Sound
Check aerial connection
No sound
No bass
or
no treble
Find channel in
Are both left/right speakertable and
without sound?
Measurement OK?
Replace PCB10
Reconnect 10P032.
Disconnect
10P030. Measure
approx. + 21V
Disconnect 10P032 4P021 p1 and
4P021 p3 and
OK?
approx. -21V
4P021 p2 and
Replace PCB10
Replace PCB59
#11
Are both left/right
without bass or
without treble?
Replace PCB10
OK? Replace speakerbox
#7
Fault flow chart, English
No
Yes
Replace speakerbox
measure.
Replace main
OK? chassis
#7 #6
between Replace main
chassis
OK?
#6
between
4P021 p4
OK?
Replace main
chassis
OK?
OK?
#7
#6
Find speakerunit in
speakertable and
measure.
Speakerunit OK?
Replace PCB10
OK?
#7
2.7
The TV should be
taken to a
workshop for
repair
Replace speakerbox
Replace
speakerunit or
speakerbox
Replace speakerbox