2.8
Fault fl ow chart, English
No
Yes
Sound
Check aerial connection
No sound
Are both left/right
without sound?
Find channel in
speakertable
and
measure.
Measurement OK?
Replace speakerbox
Replace PCB10 /
Sound/DVD
chassis (BC1)
OK?
Replace main
chassis
Disconnect 10P032
OK?
Replace main
chassis
OK?
The TV should be
taken to a
workshop for repair
Replace PCB59
Replace PCB10 /
Sound/DVD
chassis (BC1)
OK?
Replace main
chassis
OK?
Replace speakerbox
No bass
or
no treble
Are both left/right
without bass or
without treble?
Find speakerunit in
speakertable
and
measure.
Speakerunit OK?
Replace
speakerunit or
speakerbox
Replace PCB10 /
Sound/DVD
chassis (BC1)
OK?
Replace speakerbox
Replace PCB10 /
Sound/DVD
chassis (BC1)
OK?
Replace speakerbox
Reconnect 10P032.
Disconnect 10P030.
Measure approx.
+ 21V between
4P021p1 and
4P021p3 and
approx. -21V
between
4P021p2 and
4P021p4
OK?
ABO-CENTER
v/HENRIKSENS
ELEKTRONIK