Bang & Olufsen BeoVision 1 Update III Instructions De Service page 13

Placement of measuring points, described in the fault fl ow chart
4P21
4P21
P4 P2
P3 P1
BeoVision 1
These tables are used in connection with fault-fi nding on BeoVision 1 / (BeoCenter 1)
No bass or no treble
No sound
72P500 (BC1)
72P500p1
10P31
p1 p4
p5 p8
10P32
10P30
- Find the channel and symptom in the table and measure on the pins
described, with multimeter in ohm's position. Resistence should be about
0 to 3 ohms. If not the speakerunit should be replaced by a new one.
Channel
Left
Left
Right
Right
- Find the channel and measure on the pins described, with multimeter in
ohm's position. Resistence should be approx. 0 ohm. If not the speaker box
should be replaced.
Channel
Left
Right
Measurements, English
1P10 (BC1)
1P10
1P8 (GND)
BeoCenter 1
Bass or Treble
Bass
Treble
Bass
Treble
10P31 pin no.
2 - 5 (2 - 4, BC1)
6 - 3 (5 - 4, BC1)
2.11
p1 p3
p4 p6
10P31
10P30
10P32
10P31 pin no.
5 - 2 (4 - 2, BC1)
1 - 2 (1 - 2, BC1)
3 - 6 (3 - 5, BC1)
7 - 6 (6 - 5, BC1)