HCD-VM330AV - Sony Audio Service Manual (repair manual). Page 14

14

• 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. Turn the power ON or set to the DEMO mode.
2. Press three buttons of 

x

, 

[CLEAR]

, and 

[DISPLAY]

 simul-

taneously.

3. The set is reset, and becomes DEMO mode.

• The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the

/1

button to turn the power ON.

2. Select the function “TUNER”, and press the 

[TUNER/BAND]

button to select the BAND “AM”.

3. Press the

/1

button to turn the power OFF.

4. Press the 

[ENTER]

 and

/1

buttons simultaneously to the tun-

ing interval is changed over.

•

This mode moves the optical pick-up to the position durable

to vibration, and initializes the RAM. Use this mode when return-
ing the set to the customer after repair.
Procedure:
1. Press the

/1

button to turn the power ON.

2. Press three buttons of 

[ENTER]

,

M

, and 

[CLEAR]

 simul-

taneously.

3. The set is turn the power off and initializes the RAM auto-

matically. A message “LOCK” is displayed on the fluorescent
indicator tube, and the CD delivery mode is set.

Procedure:
1. Press three buttons of

x

, 

[MENU]

, and 

[DISPLAY]

 simulta-

neously.

2. LEDs and fluorescent indicator tube are all turned on.
3. Press the 

[MENU]

 button and go to the version display mode.

Press the

m

button and go to the key and jog test mode.

4. To release from these mode, press three buttons in the same

manner as step 1, or disconnect the power cord.

Press the – 

.

button to display the version .

In the key check mode, the fluorescent indicator tube displays
“K 0 J0 V0”. Each time a button is pressed, “K” value in-
creases. However, once a button is pressed, it is no longer taken
into account.
“J” value increases like 1, 2, 3 ... if turn the 

[DISC ACCESS]

dial clockwise, or it decreases like 0, 9, 8 ... if turn the

[DISC ACCESS]

 dial counterclockwise.

“V” value increases like 1, 2, 3 ... if turn the 

[VOLUME]

 knob

clockwise, or it decreases like 0, 9, 8 ... if turn the 

[VOLUME]

knob counterclockwise.

• This mode can run the CD sled motor optionally. Use this mode,

for instance, when cleaning the optical pick-up.

Procedure:
1. Press the

/1

button to turn the power ON.

2. Select the function “CD”.
3. Press three buttons of 

[ENTER]

,

M

, and 

[REPEAT]

 simul-

taneously.

4. Set to the Sled Servo mode.
5. With the CD in stop status, press the

M

button to move the

optical pick-up to outside track and display “SLED OUT”, or
press the

m

button to move the optical pick-up to inside

track and display “SLED IN”.

6. To exit from this mode, perform as follows.

1) Move the optical pick-up to the most inside track.
2) Press three buttons of

x

, 

[CLEAR]

, and 

[DISPLAY]

simultaneously. (cold reset)

• Always move the optical pick-up 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.