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4-2 Cassette Deck
4-2-1 Additional Test Equipment : Testing Tape
1.
MTT-111 (or equivalent) : Test tape on which 3 KHz signal is recorded (Tape speed adjustment).
2.
MTT-113CN (or equivalent) : Test tape on which 8KHz signal is recorded (Azimuth adjustment).
Item
Tape speed
AZIMUTH
(DECK)
adjustment
AZIMUTH Adjustment
Screw
4-2-2 Recording Bias Adjustment
1.
Connect frequency counter KC434 and press the REC button.
2.
Adjust KT431(Bias OSC Coil) until frequency counter reads 85¡ 0.2KHz.
Samsung Electronics
Connection
Preparation
Insert MTT-111 to
Figure 4-6
Deck .
Press PLAY button.
Insert MTT-113CN
to Deck .
Figure 4-8
Press PLAY button.
Speaker
Terminal
SET
Speaker
Terminal
SET
(GND)
Adjustment point
Inside motor
Figure 4-7
Frequency
Counter
IN
Figure 4-6
REC PB Head
Fixed Screw
Figure 4-7
Oscilloscope
VTVM
IN
OUT
Figure 4-8
Alignment and Adjustments
SVR
Maximum output and
identical phase of L,R
channel.
Set the screw
after adjustment.
V H
Remark
3 KHz
4-3
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