Test Mode - Sony CX-LZX7 Service Manual

CX-LZX7
[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 ?/1 button to turn off the main power.
2. While depressing the i-Bass button, press the ?/1 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 ?/1 button to turn the set on.
2. To enter the test mode, press three buttons FUNCTION ,
DISPLAY and i-Bass simultaneously. The version of the
microcomputer is displayed.
[LCD Check]
* All fluorecent segments are tested.
Procedure:
1. Press the ?/1 button to the set on.
2. While depressing the FUNCTION button, Press the DISPLAY
button.
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 ?/1 button to turn the set on.
2. Set the FUNCTION to CD.
3. Press two buttons of Z CD and > simultaneously for more
than two 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 ?/1 button to turn the set on.
2. Press two buttons of x and Z CD 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 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 ?/1 button.
[AMP Test]
* This mode is used to check the function of the amplifier.
Procedure:
1. Press the ?/1 button to turn the set on.
2. While depressing the x button, Press the DISPLAY button.
3. The message "Volume MAX" is displayed, when the VOLUME
knob is rotated clockwise. The message "Volume MIN" 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.
22
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 > button, press the ?/1 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. Press the ?/1 button to turn the set on.
2. While depressing the CD u button, Press the DIRECTION
button. 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 CD u button, normal playback is performed.
5. Each time the CD u 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 ?/1 button to turn the set on.
2. Select the FUNCTION to CD.
3. Press two buttons of > and DIRECTION simultaneously.
4. The repeat all mark blinks and then repeat 5 times limit is
released.