![background image](http://html.mh-extra.com/html/sony/hcd-rg55/hcd-rg55_service-manual_420855017.webp)
17
HCD-RG55/RG55S
[Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning the
set to the customer.
Procedure:
1. Press three buttons
x
, GROOVE , and
?
/
1
simultaneously.
2. The fluorescent indicator tube displays “COLD RESET” and
the set is reset.
[CD Ship Mode]
SECTION 4
TEST MODE
• This mode moves the pickup to the position durable to vibration.
Use this mode when returning the set to the customer after repair.
Procedure:
1. Press
?
/
1
button to turn the set ON until “STANDBY”
appears.
2. Press CD button and
?
/
1
button simultaneously.
3. When you releaset he buttons, a message “LOCK” is displayed
on the fluorescent indicator tube, and the CD ship mode is set.
[Hot Reset]
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power cord
is plugged in and out.
Procedure:
1. Press three buttons
x
, GAME EQ , and DISPLAY
simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[CD Service Mode]
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.
Procedure:
1. Press
?
/
1
button to turn the set ON.
2. Select the function “CD”.
3. Press three buttons
x
, GAME EQ , and OPEN/CLOSE
simultaneously.
4. The CD service mode is selected.
5. With the CD in stop status, press the
>
key to move the pickup
to outside track, or turn the shuttle knob counter-clockwise to
inside track.
6. To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.
2) Cold reset.
Note:
• Always move the pickup to most inside track when exiting
from this mode. Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear
can be chipped.
[Change-over of AM Tuner Step between 9 kHz and 10
kHz]
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press
?
/
1
button to turn the set ON.
2. Select the function “TUNER”, and press TUNER/BAND
button to select the BAND “MW”.
3. Press
?
/
1
button to turn the set OFF.
4. Press ENTER and
?
/
1
buttons simultaneously, and the
display of fluorescent indicator tube changes to “AM 9 k STEP”
or “AM 10 k STEP”, and thus the channel step is changed over.
[GC Test Mode]
• This mode is used to check the software version, FL tube, LED,
keyboard, headphone and volume.
Procedure:
1. Press three buttons
x
, GAME EQ and DISC2
simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
3. When GAME EQ and DISC2 are pressed at the same time,
the key number check mode starts up. In this mode, the key
numbers of each key series are displayed.
4. In the key check mode, the fluorescent indicator tube displays
“KEY 000”. Each time a button is pressed.
5. When GAME EQ and DISC2 are pressed at the same time,
the key count check mode starts up. In this mode, the message
“KEY CNT @@” is displayed on the FL display tube. When
each button is pressed, the key row number is incremented first.
Then the key value is then incremented. However, one the
button is pressed, the key value cannot be counted.
6. When GAME EQ and DISC2 are pressed at the same time,
the headphones check mode starts up. In this mode, the
message “H_P ON” is displayed when the headphones are in-
serted. When the headphones are not inserted, the message “H_P
OFF” is displayed.
7. When GAME EQ and DISC2 are pressed at the same time,
the volume check mode starts up. In this mode, the message
“VOLUME STOP” is displayed on the FL display tube. When
the volume control knob is rotated in the positive (+) direction,
the message “VOLUME UP” is displayed. When the volume
control knob is rotated in the negative (–) direction, the
message “VOLUME DOWN” is displayed.
8. In order to quit the mode, either press GAME EQ and DISC2
at the same time or press the three buttons at the same time as in
step 1.
9. To exit from this mode, cold reset or disconnect the power cord.