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6.2
CASETTE DECK SECTION
1. Mechanical Adjustment
« Set the test tape: STD-301 (3kHz 30min).
1-1.
a
Speed Adjustment
2. Electrical Adjustment
Adjustment condition
. Set the signal level to 0 dBV = 1 Vrms.
Adjusting Points
DnuwWhwnd
-—
Test tape
METAL blank tape
: STD-610
0dB
30s
0 dB: 315 Hz, 250nwb/m
30s
30s
Measurement Points
XR-0150
Adjustment Procedure
Press the PLAY SW and adjust so that the reading be-
comes 3000Hz+20Hz. Confirm that wow & flutter level is
below
0.2%
(confirm
that the
reading
is withi
3000Hz+60Hz in the reverse direction).
List of Adjustment
© Playback sections
1. Head azimuth adjustment
2. Playback level adjustment
® Recording sections
1. Bias oscillation frequency adjustment
2. Recording bias adjustment
3. Recording level adjustment
4. ALC operation check
Dolby noise reduction manufactured under license from Dolby Labo-
ratories Licensing Corporation.
"DOLBY" and the double-D symbol! are trademarks of Dolby Laborato-
ries Licensing Corporation.
Fig. 2-1
Test tape STD-331E
REV azimuth adjustment screw
FWD azimuth adjustment screw
Fig. 2-2.
Head azimuth adjustment
PLAYBACK
Fig. 2-3.
Frequency characteristics
47
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