Advertisement
ADJUSTMENT
Measurin
Procedure
instrument
1. Input the 98.1MHz/30dB » (400Hz-MOD 100%)signal.
SG
2. Turn on the power switch and press the ENT button and CH6 button at the
Dolby level
Dolby test tape
same time for about 2 secounds.(TEST MODE)
3. Adjust the reading of LCD indicator to [30----00] (3.0V0.2V) by VR of tuner
Milli-volt meter
Azimuth
adjustment
pack.
Tape speed
. Playback a Dolby level test tape(400Hz,200nWb/m) and connect the Milli-voit
Mi ERROR DISPLAYS
meter to TP101(L)/TP102(R).
2. Adjust VR101(L)/VR102(R) to obtain an output of TP101(L)/TP102(R) is 388mV
If an error occurs, one of the following displays is displayed.
Take the measures described below to eliminate the problem.
+1dB.(Dolby SW:off)
. Playback a azimuth test tape(10kHz,—10VU) and turn each azimuth-adjusting
ERROR 1
Tape cannot be played due to defective tape such | Eject the tape then replace it with a new
as cut tape.
:
screw to make each FOW & REV Maximum.
Tape
ERROR 2
Tape is caught and cannot be played.
Remove the caught or wound tape.
Azimuth test tape
Milli-volt meter
. After adjustment,make adhesion with bond.
. Playback a Wow & flutter test tape(3kHz,—10VU) and connect the frequency
counter to TP101(L) or TP102(R).
2. Adjust Speed VR of the motor to obtain an output of TP101(L),TP102(R) is
3000Hz2+45Hz.
Wow & flutter test
tape
Frequency counter
fe)
]
@
ERROR 4
Tape mode cannot be detected.
This is a failure of tape mechanism.
ERROR 8
Tape is caught and cannot be ejected.
Eliminate the reason for which the tape is
caught.
ERROR 6
ACD inside the CD changer cannot be played | Eject the disc then reload it properly.
because it is loaded upside-down.
ERROR 2
ACD inside the CD changer is not loaded.
This is a failure of CD changer's mecha-
nism.
CD
ERROR 3
A CD inside the CD changer cannot be played | Replace with a non-scratched,
non-
CHANGER
due to scratches, etc.
warped-disc.
Displayed when the temperature in the MD | Lower the surrounding temperature and
changer is too high and playback has been | wait for a while to cool off MD changer.
ERROR H
stopped automatically.
ERROR 2
An MD inside the MD changer is not loaded.
This is a failure of MD changer's mecha-
MD
nism
CHANGER
ERROR 3
An MD inside the MD changer cannot be played | Replace with a non-scratched,
non-
due to scratches, etc.
warped-disc.
ERROR 6
An MD inside the MD changer cannot be played | Eject the disc then reload it properly.
because it is loaded upside-down.
Displayed when a non-recorded MD is loaded in | Load a pre-recorded MD in the MD changer
the MD changer.
If an error display other than the ones described above appears, press the reset button.
li TROUBLESHOOTING
Nothing happens when
| The microprocessor has malfunctioned}
Turn off the power, then press the OPEN button and
buttons are pressed.
due to noise, etc.
remove the DCP.
Display is not accurate.
Press the reset button for about 2 seconds with a thin
rod.
Reset button
-3-
ARX8570Rz
ARX8570RWz
Advertisement
