Sony HCD-SPZ90DAB Service Manual page 11

CD SERVICE MODE
This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.
Procedure:
1. Press the button to turn the power on.
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2. Press the [FUNCTION] button to select "CD".
3. Press three buttons of [PLAY MODE/TUNING MODE], [DSGX]
and [DISC 1] simultaneously, the message "SERVICE M" is
displayed on the fluorescent indicator tube.
4. Press the button to move the optical pick-up to outside
M L
track and the message "SLED OUT" is displayed on the
fluorescent indicator tube, or press the
inside track and the message "SLED IN" is displayed on the
fluorescent indicator tube.
5. Press the button, "LD OFF" is displayed and laser diode is
x
turned off. Each time
x
OFF switch is performed.
6. To release this mode, press the
button to
l m
button is pressed, laser diode ON/
button.
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HCD-SPZ90DAB
11