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Adjustment
location:
DECK-A
side RV501
DECK-B
side RV503
2.
Remmove
the
wire
in step
1. (CNP505)
Measurement limit: normal speed |
Speed checker
Digital trequency conter
040.3%
|
2,980 + 10Hz
|
Frequency
difference
between
the beginning
and the end of
the
tape
should
be
within
1.5%
(45Hz).
Adjustment
location:
DECK-A
side RV502
DECK-B
side RV504
3.
If the
specifications
are
not
satisfied,
repeat
step
1
and
2.
PLAYBACK LEVEL ADJUSTMENT
DECK A/DECK B
Procedure:
Mode:
FWD
playback
test
tape
P-4-L300
(315kHz,
OdB)
be
LINE
OUT
Adjust,
DECK-A
side RV101
(L-CH),
RV201
(R-CH)
DECK-B
side RV102
(L-CH),
RV202
(R-CH)
so
that
the
specifications
are
satisfied.
Measurement limit :
LINE
OUT
level: 0.44V
(—5dB)
level
difference
between
the
channels: within
0.5dB
RECORD
BIAS ADJUSTMENT | DECK B
Setting :
TAPE
SELECT:
TYPE-I
(DECK-B)
Procedure:
1.
Mode:
record
tar
OSC
blank tape
oa
CS-123
Pell lak
T1000%
1,000
J a]
a
LINE
IN
1) 315Hz >} 0.025V
(— 30dB)
2) 10kHz
2.
Mode: playback
recorded
portion
LINE
OUT
Playback
the tape
recorded
in step
1. If the specification
is
not satisfied,
adjust
CT301
and
repeat
steps
1 and
2.
Measurement limit :
The
LINE
OUT
level
of 10kHz
signal
relative
to that of
315Hz:
—0.5dB
to 0.5dB.
RECORD
GAIN ADJUSTMENT | DECK B
Setting:
TAPE
SELECT:
TYPE-I
(DECK-B)
Procedure:
1.
Mode:
record
AF a]
blank tape
10ka
CS-123
attenuator
"sale
6000
LINE
IN
315Hz,
0.25V
(-—10dB)
2.
Mode:
playback
recorded
Portion
b=
LINE
OUT
play back
the recorded
in step
1. If the specification
is not
satisfied, adjust RV103
(L-CH), RV203
(R-CH) and repeat steps
1 and
2.
Measurement limit :
LINE
OUT
level: 0.44V
(—5dB)
Adjustment
Location:
Audio
Board
Conpoment
side.
RVIOI
RV201
RV102
RV202
——
_1C304
RV501 RV503
ey)
Sy) RV504
RV502
A
CT30!
es 6 lee
RV103
RV203
CNPS5O5
L-CH
R-CH
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