Read Sony BMZ-K1 / CX-BK1 Service Manual online
24
CX-BK1
[Cold Reset]
*
The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when re-
turning the set to the customer.
the RAM to initial conditions. Execute this mode when re-
turning the set to the customer.
Procedure:
1. Press the
1. Press the
POWER
1
button to turn off the main power.
2. While depressing the
x
button, press the
POWER
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. Press the
POWER
1
button to turn the set on.
2. To enter the test mode, press two buttons
x
and
POWER
1
simultaneously for more than five seconds. The version of the
microcomputer is displayed.
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
1. Insert a disc, and extract an AC plug.
2. While depressing the
[FUNCTION]
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 cus-
tomer after repair.
to vibration. Use this mode when returning the set to the cus-
tomer after repair.
Procedure:
1. Press the
1. Press the
POWER
1
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 fluo-
3. Press the x button for more than five seconds.
4. After a message “MECHA LOCK” is displayed on the fluo-
rescent indicator tube, the CD ship mode is set and the power
is turned off.
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
disc in the store is equipped.
Setting Procedure :
1. Press the
POWER
1
button to turn the set on.
2. Press two buttons of x and Z simultaneously for five sec-
onds.
3. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press two buttons of x and Z simultaneously for five sec-
Releasing Procedure :
1. Press two buttons of x and Z simultaneously for five sec-
onds again.
2. The message “UNLOCKED” is displayed and the tray is un-
locked.
Note : When “LOCKED” is displayed, the tray lock is not released
by turning power on/off with the
by turning power on/off with the
POWER
1
button.
[AMP Test]
*
This mode is used to check the function of the amplifier.
Procedure:
1. Extract an AC plug.
2. While depressing the
1. Extract an AC plug.
2. While depressing the
[GEQ]
button, insert an AC plug to en-
ter the AMP test mode. The message “AMP TEST” is displayed.
3. The message “Volume MAX” is displayed, when the
[VOL-
UME]
knob is rotated clockwise. The message “Volume 0” is
displayed, when the
[VOLUME]
knob is rotated counterclock-
wise.
4. Each time the
[BASE]
or
[TREBLE]
knob is turned, the mes-
sage “EQ MAX”, “EQ MIN” or “EQ FLAT” is displayed in
this order.
this order.
[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.
AM channel step.
Procedure:
1. Set the FUNCTION to AM.
2. While depressing the
1. Set the FUNCTION to AM.
2. While depressing the
[BAND]
button, press the
POWER
1
but-
ton.
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.
for instance, when cleaning the pickup.
Procedure:
1. Extract an AC plug.
2. While depressing the
1. Extract an AC plug.
2. While depressing the
[FUNCTION]
button, insert an AC plug
to enter the CD test mode. The message “CD TEST” is dis-
played.
played.
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
B
button, normal playback is performed.
5. Each time the
B
button is pressed during normal playback,
the tracking servo is switched on or off.
[CD Repeat 5 Times Limit Release Mode]
Procedure:
1. Press the
1. Press the
POWER
1
button to turn the set on.
2. Select the FUNCTION to CD.
3. Press three buttons of
3. Press three buttons of
x
and
[FUNCTION]
and
B
simulta-
neously.
4. The repeat all mark blinks and then repeat 5 times limit is
released.
SECTION 5
TEST MODE
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