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Change-over of AM (MW) Tuner Step between 9 kHz and 10 kHz
• A step of AM (MW) channels can be changed over between 9 kHz and 10 kHz.
Procedure:
1. Press
1
/
u
button to turn the set ON.
2. Select the function “TUNER”, and press
[TUNER/BAND]
button to select the BAND “AM (MW)”.
3. Press
1
/
u
button to turn the set OFF.
4. Press
[FUNCTION]
and
1
/
u
buttons simultaneously, and the display of fluorescent indicator tube changes to “AM (MW) 9 kHz
STEP” or “AM (MW) 10 kHz STEP”, and thus the channel step is changed over.
Change-over of LW Tuner Step between 1 kHz and 3 kHz
• A step of LW channels can be changed over between 1 kHz and 3 kHz.
Procedure:
1. Press
1
/
u
button to turn the set ON.
2. Select the function “TUNER”, and press
[TUNER/BAND]
button to select the BAND “LW”.
3. Press
1
/
u
button to turn the set OFF.
4. Press
[FUNCTION]
and
1
/
u
buttons simultaneously, and the display of fluorescent indicator tube changes to “LW 1 kHz STEP” or
“LW 3 kHz STEP”, and thus the channel step is changed over.
ATT Change-over of TAPE input
Procedure:
1. Press
1
/
u
button to turn the set ON.
2. Select the function “TAPE”.
3. Press
1
/
u
button to turn the set OFF.
4. Press
1
/
u
button while pressing
[FUNCTION]
button. The power is turned on and the display of fluorescent indicator tube changes
to “Attenuator ON” or “Attenuator OFF”, then ATT change-over of TAPE input is completed.
CD tracking balance display
Procedure:
1. Press
1
/
u
button to turn the set ON.
2. Select the function “CD”.
3. Press
[TUNER/BAND]
button while pressing
p
(CD) button.
4. The display of fluorescent indicator tube shows you the following message.
CD TR. BAL.
ππ
LED and Fluorescent Indicator Tube All Lit, Key Check Mode
Procedure:
1. Press two buttons
[VOLUME–]
and
[TUNER/BAND]
simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
3. When the
[FUNCTION]
button is pressed, the fluorescent indicator tube lights up in the order of; partial lighting 1
n
partial lighting
2
n
all lit
n
partial lighting 1
n
.
When the
[/–]
button is pressed, the LED lighting pattern changes.
To end without switching to the key check mode, press the
1
/
u
button to turn off the power.
4. Press
p
(CD) button, and the key check mode is activated.
5. In the key check mode, the fluorescent indicator tube displays “KEY=0 JOG=0”. Each time a button is pressed, “KEY=” value
increases. However, once a button is pressed, it is no longer taken into account.
“JOG=” Value increases like 1, 2, 3 ... if press
[]
button, or it decreases like 99, 98, 97 ... if press
[VOLUME–]
button.
6. To exit from this mode, press order all buttons (13 buttons), and press any button, or disconnect the power cord.
SUB CLOCK CHECK
Procedure:
1. Connect an oscilloscope to IC707 pin
(¡
and ground of the MAIN board.
2. Press two buttons
[VOLUME–]
and
[REC]
simultaneously, and the fluorescent indicator tube displays “32.768 kHz (91)”.
3. To check the signal on oscilloscope becomes 32 kHz square wave.
4. Press
1
/
u
button to exit.
SECTION 4
SERVICE MODE
Summary of Contents for HCD-MD1EX - System
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