Read Sony CX-JT9 / JAX-PK9 Service Manual online
18
CX-JT9
SECTION 4
TEST MODE
[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.
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. Press the
1. Press the
[POWER]
key to turn the power ON.
2. Press three keys of
x
,
[ENTER]
and
[POWER]
simultaneously.
3. The message “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
[POWER]
key to turn the power ON.
2. Press the
[TUNER BAND]
key to select “AM”.
3. Press the
[POWER]
key to turn the power OFF.
4. Press two keys of
[ENTER]
and
[POWER]
simultaneously.
5. The message “9K STEP” or “10K STEP” is displayed on the
fluorescent indicator tube, and thus the channel step is changed
over.
over.
[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.
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press the
1. Press the
[POWER]
key to turn the power ON.
2. Press the
[CD]
key to select “CD”.
3. Press two keys of
[CD]
and
[POWER]
simultaneously.
4. The message “LOCK” is displayed on the fluorescent indicator
tube, and the CD ship mode is set.
[CHANGE-OVER FUNCTION OF MD/VIDEO]
•
This mode is used to enable function of external input to change
over between MD and VIDEO.
over between MD and VIDEO.
Procedure:
1.
1.
Set to standby state.
2.
Press two keys of
[MD VIDEO ]
and
[POWER]
simultaneously.
3.
The message “MD” or “VIDEO”is displayed on the
fluorescent indicator tube, and the function of external input
is changed over.
fluorescent 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.
the shop.
Procedure:
1. Press the
1. Press the
[POWER]
key to turn the power ON.
2. Press the
[CD]
key to select “CD”.
3. While pressing the
x
key, press the
Z
key for 5 seconds.
4. The message “LOCKED” is displayed on the fluorescent
indicator tube and the tray is locked. (Even if pressing
the
the
Z
key, the message “LOCKED” is displayed on the
fluorescent indicator tube and the tray is locked)
5. To release from this mode, while pressing the
x
key, press
the
Z
key for 5 seconds.
6. The message “UNLOCKED” is displayed on the fluorescent
indicator tube and the tray is unlocked.
[AMP TEST MODE]
•
This mode is used to set the parameter of AMP IC and EQ band
level and i-bass IC.
level and i-bass IC.
Procedure:
1. Press the
1. Press the
[POWER]
key to turn the power ON.
2. Press three keys of
x
,
[HIP HOP]
and
[HEAVY]
simultaneously.
3. When the AMP test mode is activated, the message “AMP
TEST” is displayed on the fluorescent indicator tube
momentarily.
momentarily.
4. Press two keys of
[HEAVY]
and
[DISC DIRECT PLAY 2]
simultaneously, mode is changed over to parameter setting
of AMP IC and EQ band level and i-bass IC.
of AMP IC and EQ band level and i-bass IC.
5. In the AMP IC setting mode, press the
[ENTER]
key, surround
ON/OFF is changed over.
6. In the EQ band level setting mode, press the
[MANUAL]
key,
EQ band is changed over to LOW, MID or HIGH.
7. In the i-bass IC setting mode, turn the
[BASS]
knob, up/down
i-bass level, press the
[i-BASS]
key, i-bass f
0
level is change
over between 1 to 3.
8. To release from this mode, press two keys of
[HEAVY]
and
[TECHNO]
simultaneously.
)
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