Sony HCD-GT111 Service Manual page 17

TUNER STEP CHANGE
(Except GT111: AEP, Russian/GT222: AEP, Russian/
GT444: AEP, Ruissian, UK/GT555: Russian models)
The step interval of AM channels can be toggled between 9 kHz
and 10 kHz. This mode is not available for Saudi Arabian, Euro-
pean and Russian models.
Procedure:
?/1
1. Press [ ] button to turn on the system.
2. Press [TUNER/BAND] button repeatedly to select the "AM".
?/1
3. Press [ ] button to turn off the system.
4. Press [ENTER] button and [
system turns on automatically. The message "AM 9K STEP"
or "AM 10K STEP" appears on the fl uorescent indicator tube
and thus the channel step is changed.
CD SERVICE MODE
This mode let you move the CD sled motor freely. Use this mode
when you want to clean the optical pick-up.
Procedure:
?/1
1. Press [ ] button to turn on the system.
2. Press [CD] button to select CD function.
x
3. Press [ ] button, [METER MODE] button, and [OPEN/
CLOSE] button simultaneously.
4. The CD service mode is activated. The message "SERVICE
MODE" appears on the fl uorescent indicator tube.
5. With the disc in stop status, press [M] to move the optical
pick-up to outside track, or press [m] to move to inside track.
The message "SLED OUT" or "SLED IN" appears on the fl uo-
rescent indicator tube.
6. To turn on or off the laser, press [>] button. The message
"LD ON" or "LD OFF" appears on the fl uorescent indicator
tube.
7. To release from this mode, press [
CD AGING MODE
This mode can be used for operation check of CD section.
If an error occurs, the aging operation would stops and the status is
displayed. If there were no error occurs, the aging operation would
continue repeatedly.
Procedure:
?/1
1. Press [ ] button to turn on the system.
2. Select CD function.
3. Load three discs on the disc tray.
4. Press [PLAY MODE] button on the remote repeatedly to select
the "ALL DISCS" mode, and press the [REPEAT] button on
the remote repeatedly to select "REPEAT OFF" mode.
x
5. Press [ ] button, [METER MODE] button and [DISC SKIP/
EX-CHANGE] button simultaneously.
6. Aging operation is started.
7. To release from this mode, press [
power cord to turn off the system.
?/1
] button simultaneously. The
?/1
] button.
?/1
] button or disconnect the
HCD-GT111/GT222/GT444/GT555
Aging mode sequence:
START (from
Disc 1)
Disc Chucking
TOC Reading
Play first track for 2
seconds
Play last track for 2
seconds
EX-CHANGE open/
close
Open the disc tray
Disc skip
Close the disc tray
Change the disc tray
CD ERROR CODE MODE
Display the CD error code when an error occurred
Procedure:
x
1. Press [ ] button, [METER MODE] button and [DISC 1] but-
ton simultaneously to enter the error code display mode.
2. The fl uorescent indicator tube displays the number of total er-
ror.
3. Each time [m] or [M] button is pressed, display change as
below.
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