Tm72; Tm73; Tm74; Glass Doors Lock - Bang & Olufsen BeoSound 9000 MKIII Service Manual

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TM72

TM73

TM74

Glass doors lock

protection circuit is cut out during the test). When the sledge is running it must
run "properly".
- The lid opens.
- Autocalibration of CD positions.
This tests calibration, disc detector, sledge motor, sledge tacho, clamper motor,
clamper optocoupler, and jaws.
The clamper is noise-optimized during the autocalibration.
- The sledge runs to the original position, i.e. the sledge position prior to activation
of sledge test.
When error in CD test mode the Error-number refers to TM27 CD-errors.
Release of sledge.
Display = "RELEASE SLG"
When test mode 72 has been used the mains voltage to the product has to be
disconnected to ensure correct calibration.
Adjustment of autopositioning.
Test mode 71 must have been executed.
- Press SHIFT 9 0 2 5 8
- Open the lid and load a CD.
- The sledge must be placed in the position where the CD is loaded.
- Press 7 3
- If the test is OK the display will show: APS ADJUSTED.
- If an error has occurred during the test, the applicable error code can be seen
during a test mode 27.
Changing transmitter power for the fi nger protection circuit.
Safeguard level is set to maximum and the display show: SAFEGUARD TM
This function can only be switched off by the main switch.
The glass doors can only be locked if the product is in Standby, the glass doors
closed and only by remote control.
Press SHIFT 9 0 3 6 9 with no more than 2 sec. between the individual entering.
The display shows "LOCKED".
To unlock the glass doors press SHIFT 9 0 3 6 9 with no more than 2 sec. between
the individual entering.
The display shows "UNLOCKED".
The function will be remembered in NVRAM after disconnecting from mains.
Test modes, English
5.13

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