Test Mode - Sony AIWA XR-MN5 Service Manual

[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 the POWER button to turn off the main power.
2. While depressing the x button, press the POWER button.
3. The fluorescent indicator tube does not display any message
and the set is reset.
[Version Display Mode]
* The version of the microcomputer is displayed.
Procedure:
1. Press the POWER button to turn the set on.
2. To enter the test mode, press two buttons x and POWER
simultaneously for more than five seconds. The version of the
microcomputer is displayed.
[FL Tube Check]
* All fluorecent segments are tested.
Procedure:
1. Insert a disc, and extract an AC plug.
2. While depressing the u (CD) button, insert an AC plug to
enter the test mode.
3. The message "CD TEST" is displayed, the initialization is
performed.
Then all segments of the fluorecent indicator tube are turned on.
[CD Ship Mode]
* This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the POWER button to turn the set on.
2. Set the FUNCTION to CD.
3. Press the x button for more than five seconds.
4. After a message "MECHA LOCK" is displayed on the
fluorescent indicator tube, the CD ship mode is set and the power
is turned off.
[Disc Tray Lock]
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure :
1. Press the POWER button to turn the set on.
2. Press two buttons of x and Z (CD EJECT) simultaneously
for five seconds.
3. The message "LOCKED" is displayed and the tray is locked.
Releasing Procedure :
1. Press two buttons of x and Z (CD EJECT) simultaneously
for five seconds again.
2. The message "UNLOCKED" is displayed and the tray is
unlocked.
Note : When "LOCKED" is displayed, the tray lock is not released
by turning power on/off with the POWER button.
[AMP Test]
* This mode is used to check the function of the amplifier.
Procedure:
1. Extract an AC plug.
2. While depressing the AUX button, insert an AC plug to enter
the AMP test mode. The message "AMP TEST" is displayed.
3. The message "Volume MAX" is displayed, when the VOLUME
knob is rotated clockwise. The message "Volume 0" is displayed,
when the VOLUME knob is rotated counterclockwise.
4. Each time the BASS or TREBLE knob is turned, the message
"EQ MAX", "EQ MIN" or "EQ FLAT" is displayed in this
order.
SECTION 5

TEST MODE

[AM Channel Step 9 kHz/10kHz Selection Mode]
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step. (EXCEPT AEP,UK)
Procedure:
1. Set the FUNCTION to AM.
2. While depressing the TUNER button, press the POWER
button.
3. The channel step is changed over.
[CD Test Mode]
* This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.
Procedure:
1. Extract an AC plug.
2. While depressing the u (CD) button, insert an AC plug to
enter the CD test mode. The message "CD TEST" is displayed.
3. With the CD in stop status, press the > button to move the
pickup to outside track, or press the . button to inside
track.
4. When press the u (CD) button, normal playback is
performed.
5. Each time the u (CD) button is pressed during normal
playback, the tracking servo is switched on or off.
6. To exit this mode, either change to other functions or extract
an AC plug.
[CD Repeat 5 Times Limit Release Mode]
Procedure:
1. Press the POWER button to turn the set on.
2. Select the FUNCTION to CD.
3. Press two buttons of > and u (CD) simultaneously.
4. The repeat all mark blinks and then repeat 5 times limit is
released.
CX-LMN5
21