Bang & Olufsen BeoVision 6 Service Manual download pdf (Page 11)

Fault ﬂow chart 2.3

Fault symptom:

- No start up

- Standby light = red

Possible causes:

- PIN-code locked

- Option 0

- IR/Autocontrast defect

- Main chassis defect

- Beo4 / Remote control defect

Press TV on Beo4

OSD displays

“WAIT”

- - - - - - - -

PIN-code locked

Set the television in

OPTION 1

Does Standby led

blink one time?

- - - - - - - -

Option 0 = IR receiver

is disabled

Ensure that the

television is in

Standby mode

- - - - - - - -

The TV is

locked for 3 hours

since last PIN-code

was entered

Press TV on Beo4

TV OK?

- - - - - - - -

IR receiver is enabled

Check Beo4 on

another product

Other product

responds correctly

- - - - - - - -

Beo4

No

Yes

Replace the

batteries in Beo4

TV OK?

- - - - - - - -

Beo4

Beo4 defect

Try a new Beo4

TV OK?

- - - - - - - -

Beo4

Replace

Main chassis

(module 999)

- - - - - - - -

Main chassis defect

Conﬁrm approx. 0.6V

AC on PCB 10 P33

pin 3

with a multimeter

while pressing TV on

Beo4 (A short signal)

(Look at the bar-graph)

Replace PCB11

IR/Autocontrast

Conﬁrm the same

signal on

PCB1 P9 pin 1

Check Cable

W6

Reconnect cable

Replace Main Chassis

Note

PCB10 P33 pin3!

By pressing Menu on Beo4, it is

possible to measure a good signal

(approx. 1.7V AC)

PCB10 P33 measuringspoints

135

246

ABO-CENTER v/HENRIKSENS ELEKTRONIK

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