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RXD-951/A700/AS00V616/V818/V919
ADJUSTMENT
5. Cassette Deck adjustment
No
ITEM
INPUT
OUTPUT
DECK
ALIGNMENT
SETTING
SETTING
SETTING
POINT
Unless otherwise specified, set the respective switches as follows:
TAPE : NORMAL
DOLBY: OFF
— PLAY OUT : Lch (X28,CN6 @ pin), Reh (X28,CN6 @ pin)
I . Cassette mechanism unit (Adjustment of the REC / PLAY head)
ALIGN FOR
FIG.
OdBs=0.775V
Demagnetize the
REC / PLAY head
=
with the head
Power : OFF
Recording
eraser.Clean the
Demagnetiza-
| head,
erase
| REC / PLAY head,
tion,cleaning,
| head,capstan | erase head,capstan
PLAY
pinch roller
and pinch roller
using a cotton swab
slightly damped with
alcohol.
Demagnetization
and cleaning
Adjust the output to
maximum and adjust
the azimuth adjust-
TCC-153
ment screw for the
MTT-114
Lissajours waveform
pattern of the oscillo-
scope to become
close to a 45°
straight line.
Azimuth of the
REC/PLAY head
10kHz, - 10dB
I. PC BOARD ADJUSTMENT
TCC-110
Adjust the tape
MTT-111
speed so that 3kHz
a
TAPE
)
SPEED(NORMAL)!
SCC-1727
is obtained at the
3kHz
VR6
center of the tape.
C BOARD ADJUSTMENT
Adjust the playback
PLAYBACK
MTT-— 150
output to -2.5dBs
LEVEL
400Hz
(A)
Record 400Hz and
Adjust the AG
12.5kHz alternately,
BIAS CURRENT
for the output of
the DECK to
become 400Hz
(-20dB)/12.5kHz
and adjust the bias
current adjustment
potentiometer for the
playback levels to
(-20dB)
become the same.
AC voltmeter
Frequency counter
goog 5
14
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