Table of Contents
Advertisement
5.12
Test modes, English
TM36
To use CD test modes it is necessary to select CD, in the TM the HF-signal will not be used
TM61
TM62
TM63
TM64
TM65
TM66
TM67
TM68
TM71
Power down OFF.
When power down mode is not possible the display = "TM OK".
Focus ON.
The CD-pen will try to focus.
This TM can only be turned off by using TM62.
Focus OFF.
The CD-pen will be turned OFF.
Starts turntable motor.
In order to ensure a controlled rotation, TM61 should be completed before you
activate this Test Mode.
This TM can only be turned off by using TM64.
Turns off the turntable motor.
Light pen to outermost position.
The optical pickup unit goes to the outermost position and stays there.
This TM can only be turned off by TM66. Do not give other commands in the
meantime.
Display = "LIGHTPEN OUT".
Light pen to the innermost position.
The optical pickup unit goes to the innermost position and stays there.
Display = "LIGHTPEN IN".
The CD starts playing.
The CD stops playing.
Mechanical test of fi nger protection, sledge and led.
CDs must be loaded in positions 6, 5, 4, 3, 2 but no CD in position 1, (the position
nearest the LOAD button).
The CD must be stopped and the lid must be shut when the test is activated.
The following sequence is executed:
- End stop is found, the sledge runs slowly.
This tests sledge tacho, sledge motor, calibration of the end stop switch.
- Lid opens and closes.
This tests optocoupler for glass lid.
- Test of fi nger protection circuit.
- The sledge runs the longest possible distance slowly once, then quickly twice. This
tests the sledge tacho for phase errors between quad 1 and quad 2 (the fi nger
Advertisement
Table of Contents
