Bang & Olufsen BeoCenter 1, Repair Manual

Page: 32 / 545

5.10 Service mode, English
REMOTE CONTROL MENU
Access to Beo1 test mode:
- The REMOTE CONTROL MENU must be displayed.
- Point Beo1 away from the TV so the TV does not receive the IR codes.
- Press the DISPLAY button and keep it down.
- Press the STANDBY button and keep it down, now press the STOP button to
enter test mode.
SW VERSION
Press STOP and
p
simultaneously. When the buttons are released the sw version is
displayed.
The HW OPTION is for factory use.
Exit test mode, press the DISPLAY button.
The BEO1 SERVICE COUNTERS count the number of pressures on the Beo1
buttons. Continuous pressure is not registered.
There is no counter for the VOLUME button, as Beo1 cannot tell the difference
between a single pressure or continuous pressure for this button.
AUTO DEMONSTRATION
The TV must be in stand by mode.
Press LIST on Beo4 until the display shows SP.DEMO , then press GO .
- The TV is set to option 0.
- The DVD tray moves out.
- The V.TAPE socket must be used as input and it must be set to V.AUX.
- There is no sound.
- The display shows “DVD”.
To inactivate the function, press LIST on Beo4 until the display shows SP.DEMO ,
then press GO . The DVD tray moves in, option is set to 2 and the TV goes into
stand by.
Bus ignore mode
If an error occurs in the IIC bus system which makes the TV go into stand by every
time it is attempted to be switched on, it is possible to switch on the TV in such a
way that the error is ignored:
- The TV must be in stand by.
- Short-circuit the two solder pads (marked J40 coordinate 11A on PCB1).
- Press GO Beo1, TV Beo4. The TV will now start up in bus ignore mode with service
menu if possible.
IMPORTANT! If the TV is started up in ignore mode it may result in further damage
to the TV.
- Exit ignore mode. Turn off the TV.