Tm28; Tm31; Tm32; Tm34 - Bang & Olufsen BeoSound 9000 MKIII Service Manual

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TM28

TM31

TM32

TM34

TM35
- 34: CC TTM pos count error.
A counter error has occurred in connection with an adjustment ( test mode 73).
Check the signals QUAD 1 TTM and QUAD 2 TTM from PCB31 IR tacho clamper RX.
- 35: CC TTM pos opto error.
(Occurs during test mode 73 only) It has not been possible to carry out a correct
adjustment of the autopositioning circuit. The optocoupler / tacho circuit may be
defective.
- 36: CC TTM ref opto error.
(Occurs during test mode 73 only) The signal ROUND REF from PCB31 IR tacho
clamper RX is missing.
PWR: Power errors.
- 20: CC power error.
Mains drop-out while the sledge was moving.
- 100: CC motor FEP power fail.
This TM checks the function of ROM, RAM, EEPROM. (O, A, P).
To readout TM, O and A have to be (+).
E.g. MEM ++- indicates error in the EEPROM.
Default settings for sales purposes.
Option:
1
Volume:
32
Balance:
0
Bass:
0
Treble:
0
Loudness:
OFF
Radio programmes erased.
CD settings erased.
Timer settings erased.
After default settings the display shows "DEFAULT TM ERROR".
If error occurs in TM the display will show "TM ERROR".
Item-number, serial-number, type-number, master pin-code, running counter and
all offset adjustments will not be erased.
ID-readout of the product.
Press GO to toggle between the ID-numbers.
Item no = 7 fi gures.
Type no = 4 fi gures.
Serial no = 8 fi gures.
Master PIN = OK or ERROR.
If error in the readout all fi gures = 0.
Option readout.
Power down ON.
When power down mode is possible the display = "TM OK".
Test modes, English
5.11

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