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How to enter the text mode
While pressing on 1 and 3 keys, press the RESET key.
Starting on the test mode
Major initial positions
• When booted with everything off, the test mode starts up.
• The valueof the volume is –40dB (indication is 15).
• FL lamps all light up.
• The diversity is off.
• Position: All.
• EQ: Flat
• COMPRESSOR: OFF
• SPE/ANA: PEAK HOLD
All display lamps lighting up
Since there are many segments on the display section, bridg-
ing with other segments can be confirmed. By track up/down
keys, grids and segments can be lighted up individually.
Opening/Closing Time of the Panel Mechanism
When each time the Angle/Retune button is pressed, time
is displayed after going into the tuner mode. From the maxi-
mum angle to return, it takes about 1.2S.
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CD Mechanism Panel Disk Detection
Sensor behavior for detecting whether there is CD disk or not
can be checked. When the sensor is closed off after a disk is
inserted, it beeps four times.
FM S-Meter Adjustment (Stop Adjustment and others)
Method:
SG Output: Set to 35dBµ 98.1MHz. (with no modulation)
During the above text mode, when Preset 1 and Preset 6.
are pressed at the same time, the adjustment begins. When
adjustments is completed normally, OK is displayed and there
will be one beep of 2kHz. In this case the stop adjustment
values will be between 15~25dBµ.
When the S-meter value is outside of the standard system
control values, NG is displayed and the initial value of the sys-
tem control is written in the E2PROM.
AM Stop Adjustment
Method:
SG Output: Set to 35dBµ 999kHz. (with no modulation)
During the above text mode, when Preset 1 and Preset 6.
are pressed at the same time, the adjustment begins. When
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adjustments is completed normally, OK is displayed and there
will be one beep of 2kHz. In this case the stop adjustment
values will be between 30~43dBµ .
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When the S-meter value is outside of the standard system
control values, NG is displayed and the initial value of the sys-
tem control is written in the E2PROM.
TEST MODE / ADJUSTMENT
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Panel Mechanism Adjustment
The mechanism detects the open/close position of the panel
and writes it to the E2PROM.
[ How to enter the test mode ]
After entering the above-mentioned test mode, switch over
to the tuner mode. Then, press on the TI knob for some time
and the unit will go into panel mechanism test mode, which is
indicated by STAND-BY display.
Method:
Each time Open/Close key (*key) of the remote controller is
pressed, full-open and full-close positions are registered.
(There will be OPEN ENTRY/ CLOSE ENTRY display and three
beeps are sound.)
Releasing:
When TI key is pressed, the unit goes back to the previous
test mode. Pressing the reset key will take the unit to the initial
condition.
DOLBY Adjustment
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Using the extension cord (W05-0755-00), separate the
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6 7
1 3
1 5
mechanism from the unit. Play the TCC-130 and adjust the
test round value to 300mV with the VR1, 2 on the X30 Board.
(Refer to the PC BOARD.) Balance with FWD and REV.
Releasing the Security Code
The unit will go into release mode when Preset 6 is pressed
while Preset 1 is being pressed. The character "C" is dis-
played at the right end of the character display. At this point,
input KCAR by using 1, 2, 3, and 4 key of the remote control-
ler. Confirm with PLAY/PAUSE key and the security code will
be released.
Specifications for the Amplifier Control Terminal
The bass boost function of the amplifier can be remote con-
trol from the unit. This is a one-way communication, using one
control line. The control is made with pulse widths of the three
kinds of communication data. Five cycle pulses are generated
from the unit side and when there are three consecutive suc-
cesses, communication is established. The pulse widths are
as shown below and the cycle is 200ms.
HI: 100ms
LOW: 70ms
OFF: 40ms
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DPX-6020
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