Read Sony JAX-PK33 (serv.man2) Service Manual online
17
CX-JPK33
SECTION 4
TEST MODE
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.
the set to the customer.
Procedure:
1. Press the
1. Press the
I
/
1
button to turn the power ON.
2. Press three buttons of
x
,
[P FILE]
and
[DISC 1]
simulta-
neously.
3. The message “COLD RESET” is displayed on the fluorescent
indicator tube momentarily, then becomes standby states.
TUNER STEP CHANGE-OVER
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press the
1. Press the
I/1
button to turn the power ON.
2. Press the
[TUNER/BAND]
button to select “AM”.
3. Press the
I/1
button to turn the power OFF.
4. Press two buttons of
[PLAY MODE/TUNING MODE]
and
I/1
simultaneously.
5. The message “AM 9K STEP” or “AM 10K STEP” is displayed
on the fluorescent indicator tube, and thus the channel step is
changed over.
changed over.
CD SHIP (LOCK) 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.
after repair.
Procedure:
1. Press the
1. Press the
I/1
button to turn the power ON.
2. Press the
[CD]
button to select “CD”.
3. Press two buttons of
[CD]
and
[POWER]
simultaneously.
4. The message “LOCK” is displayed on the fluorescent indica-
tor tube, and the CD ship mode is set.
CD SHIP (LOCK) MODE & COLD RESET
• This mode is used to perform CD chip (lock) mode and cold
reset simultaneously.
Procedure:
1. Press the
1. Press the
I
/
1
button to turn the power ON.
2. Press the
[CD]
button to select “CD”.
3. Press three buttons of
x
,
[CD]
and
[DISPLAY]
simulta-
neously.
4. The message “COLD RESET” is displayed on the fluorescent
indicator tube momentarily, then becomes standby states.
CHANGE-OVER FUNCTION OF MD/VIDEO
• This mode is used to enable function of external input to change
over between MD and VIDEO.
Procedure:
1.
1.
Press the
I/1
button to turn the power ON.
2.
Press two buttons of
VIDEO (MD)
and
I
/
1
simultaneously.
3.
The message “MD” or “VIDEO”is displayed on the fluores-
cent indicator tube, and the function of external input is
changed over.
cent indicator tube, and the function of external input is
changed over.
CD TRAY LOCK MODE
• This mode is used to unable to take sample disc out of tray in
the shop.
Procedure:
1. Press the
1. Press the
I/1
button to turn the power ON.
2. Press the
[CD]
button to select “CD”.
3. Set disc on the CD tray, press two buttons of
x
and
Z
for 5
seconds.
4. The message “LOCKED” is displayed on the fluorescent in-
dicator tube and the CD tray is locked. (Even if pressing
the
the
Z
button, the message “LOCKED” is displayed on the
fluorescent indicator tube and the CD tray is locked)
5. To release from this mode, press two buttons of
x
and
Z
for
5 seconds.
6. The message “UNLOCKED” is displayed on the fluorescent
indicator tube and the CD tray is unlocked.
AMP TEST MODE
• This mode is used to display the parameter of amplifier IC and
display the VACS status.
Procedure:
1. Press the
1. Press the
I/1
button to turn the power ON.
2. Press three buttons of
x
,
[P FILE]
and
[PLAY MODE/
TUNING MODE]
simultaneously.
3. When the AMP test mode is activated, the message “AMP
TEST IN” is displayed on the fluorescent indicator tube
momentarily, then amplifier adjustment mode is displayed on
the fluorescent indicator tube.
momentarily, then amplifier adjustment mode is displayed on
the fluorescent indicator tube.
4. Press the
[DISPLAY]
button to changed over between VACS
status display mode and the amplifier IC parameter display
mode.
mode.
5. In the amplifier IC parameter display mode, press the
[i-BASS]
button to changed over DBFB ON/OFF, and when it is ON,
the character “D” is displayed on the fluorescent indicator tube.
the character “D” is displayed on the fluorescent indicator tube.
6. In the amplifier IC parameter display mode, press the
[SURROUND]
button to changed over surround ON/OFF, and
when it is ON, the character “S” is displayed on the fluorescent
indicator tube.
indicator tube.
7. In the amplifier IC parameter display mode, turn each knob of
[BASS]
,
[MIDDLE]
and
[TREBLE]
causes respective param-
eters to be changed, as well as change-over of the display on
the fluorescent indicator tube.
the fluorescent indicator tube.
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