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CT-S630S, CT-S630S-G, CT-S530
PLAYBACK SECTION
1. Head Azimuth Adjustment
« Tum VR101, 102 to mechanical center positions,
Play the 10 kHz/-20 dB
Head azimuth adjustment
PLAY
section of STD-331E
test
screw.
|
LINE OUT
tape.
(See Fig. 4)
| 2. | STOP
Lock the screw with screw lock after completing adjustment.
Maximum playback signal
level.
2. Playback Level Adjustment
« This adjustment determines the DOLBY NR level, and must be performed with great care.
Play the 315 Hz/0 dB
f
VR101 (Lch)
TP. 3 (Lch)
section of the STD-331E
VR102 (Rch)
TP. 4 (Reh)
~7.2 dBV
test tape.
RECORDING SECTION
1. Bias Oscillator Adjustment
[No.] Mode _|
Input signal & test tape
Adjustment location
Measuring location
Load the STD~610 test
:
2. Recording Bias Adjustment
e Turn the DOLBY NR switch is OFF.
* After the adjustment, caution should be exercised so as not to become under bias by checking the distortion rate.
Measuring location
Adjustment value.
LINE OUT
:
Repeatedly record, playback
and adjust so that the
playback level of 10 kHz
Adjustment vatue
Apply a 315 Hz and 10 kHz
signal to the line input
terminals, load the STD-631
or STD-632 test tape.
REC level contro} volume
Record the above signal
onto the STD-631 or
STD-632 test tape, and
playback
VR601 (Lch)
VR602 (Rh)
signal becomes 0 dB + 0.5
dB when compared with the
315 Hz signal.
3. Recording Level Adjustment
* Tum the DOLBY NR switch is OFF.
[No.| Mode _|
input signal & test tape
Adjustment location
Measuring location
Apply a 315 Hz signal to
LINE OUT
the line input terminals,
load the STD-631 or
TP. 3 (Leh)
TP. 4 (Reh)
Adjastment value
—-10.0 dBV
~ -
REC level control volume
STD-632 test tape.
Record the above signal
onto the STD-631 or
STD-632 test tape, and
playback.
*
Repeatedly record, playback
and adjust so that the
playback signa! level
becomes —11.2 dBV.
VR551 (Lch)
VR552 (Reh)
Record the above signal
onto the STD-621 test
tape, and playback.
TP. 3 (Lch)
Record the above signal
onto the STD-610 test
tape, and playback.
TP. 3 (Lch)
1-8
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