HCD-RG11, MHC-RG11 — Sony Audio Service Manual (repair manual). Page 11

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11
HCD-RG11
[VACS ON/OFF Mode]
• This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
1. Press  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons x ,  DISPLAY
and  GROOVE  simultaneously.
3. Press  CD SYNC  button while pressing  DISPLAY  button.
The message “VACS OFF” or “VACS ON” appears.
4. To exit from this mode, press  ?/1  button to turn the set OFF.
[Equalizer Test  Mode]
• This mode is used to test the function of the equalizer.
Procedure:
1. Press  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x ,  DISPLAY
and  GROOVE  simultaneously.
3. Press  
m
  button while pressing  DISPLAY  button. The message
“BASS + 0” is displayed.
4. The value increases like + 2, + 4 ... if pressing  >  button
while  DISPLAY  button is still depressed, or it decreases like -
2, - 4 ... if pressing  . button.
5. Press   
M
   button while pressing DISPLAY button. The message
“TRE  + 0” is displayed.
6. The value increases like + 2, + 4 ... if pressing  >  button
while  DISPLAY  button is still depressed, or it decreases like
- 2, - 4 ... if pressing  . button.
7. To exit from this mode, press  ?/1  button to turn the set OFF.
[CD Ship Mode (No Memory Clear) ]
• This mode moves the pickup to the position durable to vibra-
tion. Use this mode when returning the set to the customer after
repair.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Press  CD  button and  ?/1   button simultaneously.
3. The "STANDBY" display blinks instantaneously, and the CD
ship mode is set.
[FL Tube Test  Mode]
• All fluorecent segments and LEDs are tested.
Procedure:
1. Press  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x ,  DISPLAY
and  GROOVE  simultaneously.
3. Press DISPLAY and DISC SKIP/EX-CHANGE buttons
simultaneously.
4. All segments and LEDs (without STANDBY LED) are turned
on.
5. To exit from this mode, press  ?/1  button to turn the set OFF.
[Version and Destination Display Mode]
• The version or destination is displayed.
Procedure:
1. Press  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x ,  DISPLAY
and  GROOVE  simultaneously.
3. Press  DISPLAY  and  DISC 1  buttons simultaneously.
4. The version is displayed.
5. Press  DISPLAY  and  DISC 2  buttons simultaneously.
6. The destination is displayed.
7. To exit from this mode, press  ?/1  button to turn the set OFF.
[Key Check Mode]
• Keyboard check.
Procedure:
1. Press  ?/1  button to turn the set ON.
2. To enter the test mode, press the three buttons  x ,  DISPLAY
and  GROOVE  simultaneously.
3. Press  DISPLAY  and  DISC 3  buttons simultaneously, and the
key check mode is activated.
4. In the key check mode, the fluorecent indicator displays “KEY
0 VOL 0”. Each time a button is pressed, “KEY 0” value
increases. However, once a button is pressed, it is no longer
taken into account.
“VOL 0” value increases like 1, 2, 3 ... if rotating  VOLUME
knob clockwise, or it decreases like 0, 9, 8, ... if rotating counter-
clockwise.
5. To exit from this mode, press  ?/1  button to turn the set OFF.
[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. To enter the test mode, press three buttons x ,  DISPLAY , and
GROOVE  simultaneously.
4. Press  DISPLAY  and  OPEN/CLOSE  buttons simultaneously.
5. The CD service mode is selected.
6. With the CD in stop status, press 
M
 button  to move the pickup
to outside track, or press 
m
 button to inside track.
7. To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.
2) Press  ?/1  button to turn the set OFF.
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.
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