Sony Aiwa CX-JN30 Service Manual - Page 5

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1. Base Unit (Bu-K6Bd71A)

MC 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. In the standby status, while pressing the

[POWER]

button.

2. The set is reset, then becomes standby status.

GC TEST MODE

Procedure:

[POWER]

1. Press the

button to turn the power on.

2. While pressing the

button, press the

5 seconds.

3. It change displays in order of model type, version and suffix at

2 seconds interval, then the display is back to normal status.

AMP TEST MODE

Procedure:

1. In the status where AC plug is disconnected, while pressing

[VIDEO/AUX]

the

button, connect the AC plug to turn the

power on. Then enter the AMP test mode and display "AMP

TEST".

[VOLUME]

2. If turn the

knob clockwise, it displays "VOLUME

MAX", and if turn the knob counterclockwise, it displays

"VOLUME 0".

[TREBLE]

[BASS]

3. If the

and

counterclockwise, it change displays in order of "EQ MAX",

"EQ MIN" and "EQ FLAT".

4. To release from this mode, disconnect the AC plug and turn

the power off.

DISC TRAY LOCK

Procedure:

[POWER]

1. Press the

button to turn the power on.

2. While pressing the

button, press the

button for 5 seconds.

3. The message "LOCKED" is displayed and the tray is locked.

(Even if exiting from this mode, the tray is still locked)

4. To release this lock, while pressing the

the

OPEN/CLOSE Z

button for 5 again.

5. The message "UNLOCKED" is displayed and the tray is un-

locked.

CD REPEAT 5 LIMIT CANCEL MODE

• Number of repeat for CD playback is 5 times when the repeat

mode is "REPEAT". This mode enables CD to repeat playback

for limitless times.

Procedure:

[POWER]

1. Press the

button to turn the power on.

2. In the repeat on status, while pressing the

[CD]

button to enter the CD repeat 5 limit cancel mode and

repeat mark blinks on the fluorescent indicator tube.

3. To release this mode, press the

power off.

SECTION 4

TEST MODE

button, press the

[POWER]

button for

knobs are turned clockwise or

OPEN/CLOSE Z

button, press

button, press the

[POWER]

button to turn the

FUNCTION CHANGE MODE

• Select either TV, VIDEO or AUX (MD) of the external function

input.

Procedure:

[POWER]

1. Press the

button to turn the power on.

[VIDEO/AUX]

2. While pressing the

button.

3. Each time this operation is operated, it change displays in or-

der of "TV", "VIDEO" and "AUX".

CX-JN20/JN30

[POWER]

button, press the