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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.
Procedure:
1. Press three buttons GROOVE , ENTER/NEXT , and
DISC 1 simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
CD DELIVERY MODE
• This mode moves the pick-up to the position durable to vibra-
tion. Use this mode when returning the set to the customer after
repair.
Procedure:
1. Press POWER button to turn the set ON.
2. Press PLAY MODE button and POWER button simulta-
neously.
3. A message “LOCK” is displayed on the fluorescent indicator
tube, and the CD delivery mode is set.
MC HOT RESET
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power cord
is plugged in and out.
Procedure:
1. Press three buttons GROOVE , ENTER/NEXT , and
DISC 2 simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
SLED SERVO MODE
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pick-up.
Procedure:
1. Select the function “CD”.
2. Press three buttons GROOVE , ENTER/NEXT , and
CD FLASH simultaneously.
3. The Sled Servo mode is selected, if “CD” is blanking on the
fluorescent indicator tube.
4. With the CD in stop status, press
)
button in CD section to
move the pick-up to outside track, or
0
button to inside track.
5. To exit from this mode, perform as follows:
1) Move the pick-up to the most inside track.
2) Press three buttons in the same manner as step 2.
Note:
• Always move the pick-up to most inside track when exiting from this
mode. Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear can be chipped.
SECTION 3
TEST MODE
CHANGE-OVER OF AM TUNER STEP BETWEEN 9 kHz
AND 10 kHz
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press POWER button to turn the set ON.
2. Select the function “TUNER”, and press TUNER/BAND
button to select the BAND “AM”.
3. Press POWER button to turn the set OFF.
4. Press ENTER/NEXT and POWER buttons simultaneously,
and the display of fluorescent indicator tube changes to “AM 9
k STEP” or “AM 10 k STEP”, and thus the channel step is
changed over.
Be sure not to change with carelessness.
LED AND FLUORESCENT INDICATOR TUBE ALL LIT, KEY
CHECK MODE
Procedure:
1. Press three buttons GROOVE , ENTER/NEXT , and
DISC 3 simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
Press DIRECTION button, and the key check mode is acti-
vated.
3. In the key check mode, the fluorescent indicator tube displays
“K 1 J0 V0”. Each time a button is pressed, “K”value increases.
However, once a button is pressed, it is no longer taken into
account.
“J” value increases like 1, 2, 3 ... if rotating JOG dial knob in
“+” direction, or it decreases like 0, 9, 8 ... if rotating in “–”
direction.
“V” value increases like 1, 2, 3 ... if rotating VOLUME knob
in “+” direction, or it decreases like 0, 9, 8 ... if rotating in “–”
direction.
4. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
SELF-DIAGNOSIS
This model has the self-diagnosis function for the video and audio
decoder sections.
Immediately after the power on, the self-diagnosis function
searches each operation of IC’s around the mechanism controller
(IC701).
The LED (D701) on the VIDEO board indicates their results.
[VIDEO BOARD]
(SIDE-A)
IC701
IC201
D701
IC771
IC901
LED (D701) INDICATION
SYMPTOM
Light
No error
1 time blinking (Repeatedly)
External RAM (S-RAM) error
(IC751)
2 times blinking (Repeatedly)
Video decoder section error
(IC201)
3 times blinking (Repeatedly)
Video RAM (D-RAM) error
(IC251)
4 times blinking (Repeatedly)
Audio decoder section error
(IC201)