Adjustment - Kenwood RXD-M505USB-B Service Manual

RXD-M505USB/LS-M505
No ITEM
Demagnetization
1
and cleaning
2 Azimuth of Heads
10kHz,-10dB
3 Tape Speed
4 Bias Frequency Normal tape
4

ADJUSTMENT

INPUT OUTPUT
SETTING SETTING
- -
Connect the
MTT-114:
oscilloscope and VOM
to PHONE jack.
Connect the
MTT-111
oscilloscope and VOM
3kHz
to PHONE jack.
Connect the frequency
counter across C202
RECEIVER
ALIGNMENT POINT
SETTING
Cassette deck
Power: OFF
Heads, capstan and
Demagnetization
pinch roller
and cleaning
PLAYBACK Screw fi xing heads
Potentiometer in
PLAYBACK
motor
RECORD L203
ALIGNMENT SETTING
Demagnetize heads with the head
eraser (Demagnetizer). Clean
heads capstan and pinch roller
using a cotton swab slightly
damped with alcohol
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.
Adjust the tape speed so that 3kHz
is obtained at the center of tape.
The frequency counter shows
85kHz+-0.5kHz
FIG.