TAPE ADJUSTMENTS
I
Adjustment Item
Test Tape
Measuring
Instrument
F=+%-F=
(c) MOTOR SPEED MlT-l 11
FREQUENCY
(NORMAL)
(3,000Hz)
COUNTER
1. HEAD REPLACEMENT AND AZIMUTH ADJUSTMENT
(1) Head replacement
1.After replacement, demagnetize the heads by using a
degausser.
2. Be sure to clean the heads before attempting to make any
adjustments.
3. Be sure both channels (1 and 2) are the same level.
(Using a dual-channels oscilloscope).
4. All wiring should be returned to the original position after
work is completed.
(2)
Head azimuth
● DECK “A”
1. Remove the left side of CASSETTE LID.
2. Load a test tape (VTT-738,etc.: 10kHz) for azimuth
adjustment.
3. Press the PLAY button.
4. Use a flat-tip (-) screwdriver to turn the screw for normal
azimuth adjustment so that the left and right outputs are
maximized at the same phase during normal playback.
5. Press the STOP button.
● DECK “B”
1. Remove the right side of CASSEITE LID.
2. Load a test for azimuth adjustment.
3. Press the PLAY button.
4. Azimuth screw adjustment.
5. Press the STOP button.
-4-
.
After making the adjustment, secure the azimuth
adjustment screw by applying screw lock (TB-1 401 B).
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