Sony HCD-BX77DBi Service Manual page 13

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 [
simultaneously, the message "SERVICE MO" is displayed on
the fl uorescent indicator tube.
4. Press the [ TUNE –] button to move the optical pick-
l m
up to inside track and the message "SLED IN" is displayed on
the fl uorescent indicator tube, or press the [
+] button to outside track and the message "SLED OUT" is
displayed on the fl uorescent indicator tube.
5. Press the [CD ] button, "LD ON" or "LD OFF" is displayed
u
on the fl uorescent indicator tube. Each time [CD
pressed, laser diode on/off is changed over.
6. To release this mode, press the [
/CANCEL], [VOL –] and [
x
TUNE
M L
] button is
u
] button.
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]
A
HCD-BX77DBi
13