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2. Playback Level Adjustment
¢ Be sure to make a careful adjustment, as the adjustment determines the DOLBY NR level for playback.
Pro- | Tape
:
Adjustment
Playback the test an
VR453 (Leh)
TP. L (ch)
¢ Head Adjustment of Deck Il
* Deck II is provided with an automatic tape selector mechanism.
¢ Note: Do not switch over FWD and REV while the driver is inserted.
1. Head Azimuth Adjustment
Pro-
Tape
Adjustment
Measuring
Playback the test tape
| Head azimuth
TP-L (Lch)
PLAY | STD-331B (10 kHz, —20 | adjustment
TP-R (Rch)
dB).
screw (Fig. 4-4)
2. Playback Level Adjustment
* Be sure to make a careful adjustment, as the adjustment determines the DOLBY NR level for playback. .
VR452 (Rch)
3. Bias oscillation frequency adjustment
Pro-
Tape
:
Adjustment
Measuring
;
cele [ake |
Mae |
tat semtet tne | AGheinet
:
ion
aianegar ial
aie
ciate
sa
.
Lock the screw with
Maximum playback
eens
level
screw lotk after
completing adjustment.
Area between
roy tear eee -
® and
The oscillation
d
(AF Assembly)
frequency is 105 kHz +1
mode:
shown in
kHz.
Fig. 4-1.
Adjustment
Measurin
ignal/
Apply a signal of 315 fn
a
to the CD input termi
F
7
=
and set the function to
Input signal level
TP-R (Rch)
7.7 BV
"CD".
Record and playback the | ve591 (ich)
TP-L{Lch) | Re;
i
sth
2
peat the recording and correction so that-the
test tape STD-680 (315. | yR502 (Rech)
TP-R(Rch) _| playback level of 315 Hz is —6.7 dBV.
56
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