4
RXD-M505USB/LS-M505
ADJUSTMENT
No
ITEM
INPUT
SETTING
OUTPUT
SETTING
RECEIVER
SETTING
ALIGNMENT POINT
ALIGNMENT SETTING
FIG.
Cassette deck
1
Demagnetization
and cleaning
-
-
Power: OFF
Demagnetization
and cleaning
Heads, capstan and
pinch roller
Demagnetize heads with the head
eraser (Demagnetizer). Clean
heads capstan and pinch roller
using a cotton swab slightly
damped with alcohol
2
Azimuth of Heads
MTT-114:
10kHz,-10dB
Connect the
oscilloscope and VOM
to PHONE jack.
PLAYBACK
Screw fi xing heads
Adjust the output to maximum and
turn the azimuth adjusting screw
for Lissajours waveform pattern of
the oscilloscope to become close
to a 45-degrees straight line.
3
Tape Speed
MTT-111
3kHz
Connect the
oscilloscope and VOM
to PHONE jack.
PLAYBACK
Potentiometer in
motor
Adjust the tape speed so that 3kHz
is obtained at the center of tape.
4
Bias Frequency
Normal tape
Connect the frequency
counter across C202
RECORD
L203
The frequency counter shows
85kHz+-0.5kHz