28
CT-W208R
0 dB
–20 dB
30s
0 dB: 315 Hz, 250 nwb/m
315 Hz
6.3 kHz
10 kHz
315 Hz
14 kHz
12.5
kHz
6.3
kHz
500
Hz
250
Hz
125
Hz
10 kHz 8 kHz
4 kHz 2 kHz
63 Hz 40 Hz
1 kHz
30 s 30 s 30 s 10s 10s .......................................................................................................... 10s
Fig. 6–2 Constants of the Test Tape STD–331E
FWD Azimuth Adjustment Screw
REV Azimuth Adjustment Screw
Fig. 6–3 Head Azimuth Adjustment
Fig. 6–4 Frequency Response Zone
(2) Playback Level Adjustment
÷
This adjustment determines the DOLBY NR level, and must be performed with great care.
÷
DECK II side adjustment is starte next to DECK I side adjustment of playback level.
6.2.2 Recording Section
(1) Bias Oscillator Adjustment
6.2.1 Playback Section
(1) Head Azimuth Adjustment
÷
Turn VR101, VR102 (DECK I ) or VR103, VR104 (DECK II ) to mechanical center positions.
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3dB
10k
12.5k
3dB
4dB
PLAY BACK
250
3dB
10k
12.5k
3dB
5dB
RECORDING