Cannot Switch To Standby - Bang & Olufsen BeoPlay V1-40 MKII Service Manual

Fault symptom:

Cannot switch to standby

Possible causes:
Remote Control
PCB58, IR Receiver & Room Aware.
PCB01, Video Engine
Disconnect mains to
television.
Wait 60 sec.
Connect mains to Product OK
television.
Does problem
persist?
Is remote control Replace remote
OK?
Check cable
connection Replace cable or
between PCB01, re-establish
P101 and PCB58, P1 connection
OK?
Using an
Confirm voltage on
oscilloscope confirm
PCB01, P101 pin 3
that pulses are seen
or PCB58, P1 pin 3
on PCB01, P101 pin
4 for each use of
the remote control
OK?
Confirm voltage on
PCB01, P101 pin 7
IR Receiver receives
or PCB58, P1 pin 7
signals from remote
control
Replace PCB58, IR
Receiver & Room
Awareness
control
Replace PCB01,
5V_SB_F Video Engine
= +5V
OK?
Replace PCB01,
12V_RA Video Engine
= +12V
OK?
Fault flow chart 3.9
No
Yes
Hint:
Measurement plugs,
pins and test points;
see page 3.17