Sony WM-DD11 - 1-2. Electrical Adjustments; Tape Speed Adjustment

WM-DD11
Pr cedure:
1 Mode: playback
Woden
wow
;
flutter
(3kHz,
0dB)
ss
182
—
set
rae
E
headphones jack
Turn the adjustment screw so that the wow and
flutter meter reads minimum (less than 0.12% W-
RMS).
1-2. ELECTRICAL ADJUSTMENTS
Test Tape
Tape Speed Adjustment
Playback Head Azimuth
Adjustment
Setting :
VOLUME control: mechanical mid
TAPE SELECT switch: NORM
DOLBY NR switch: OFF
Procedure : |
Mode: playback
test tape
WS-4BA frequency
(3kHz, OdB) 18Q counter
headphones jack
1. Turn RV601 so that frequency reading becomes in
3,000Hz. (at the ending part of the test tape)
2. Play back the test tape top and end and confirm
that the frequency reading becomes in the
adjustment limit below.
Adjustment Limit :
3000Hz + 90Hz
Frequency counter
Adjustment Location :
- main board -