To Adjust Tape Speed; To Adjust Azimuth And Record Bias - Samsung MM-26 Service Manual

Alignment and Adjustments
4-2 Cassette Deck

4-2-1 To Adjust Tape Speed

NOTES
1. Measuring tape: i) MTT-111 (or equivalent)
(Tapes recorded with 3KHz)
ii) MTT-5512 (or equivalent)
2. Connect the set to the frequency counter
as in Figure 4-4.
Pre-Setup
Step Item Pre-Setup
Condition
1) Deck: MTT-111
NOR
SPEED
1
Figure 4-4
2) Press PLAY SW
Control
counter
button
4-2
Speaker
Terminal
Frequency Counter
SET
Output
Figure 4-4
To Adjust Standard Remark
Turn JVR51 to
3KHZ 1%
left and right.

4-2-2 To Adjust Azimuth and Record BIAS

NOTES
1) Measuring tape :
i) MTT-113CN (or equivalent 8 kHz AZIMUTH
control).
2) The SET is connections as shown in Figure 4-6.
1 . Adjust 1-Deck Replay Level
Pre-Setup
Step Item Pre-Setup
Condition
After putting MTT
-113CN into Deck .
1
Figure 4-5
AZIMUTH
1) Press FWD
PLAY button.
2) Press REV
PLAY button.
2 . Adjust Record Bias Level
Pre-Setup
Step Item Pre-Setup
Condition
Insert MTT-5512
Figure 4-6
1 BIAS
into Deck,then press
REC button.
Recording/Play head
Reverse
Forward Play
Play
AZIMUTH control
Figure 4-5
DUMMY
SET
Frequency
Counter
JC25
(GND)
Figure 4-6
To Adjust Standard
Remark
After
1) Figure 4-5 Max output
adjustment
and same
2) Adjust the right
phase (both secure it
control screw to
with
channels).
playback Rev.
REGION
Mode.
LOCK.
To Adjust Standard Remark
See the
85KHz 5%
Turn BIAS oscillator diagram
for
frequency coil (JT1) to
adjustment
the right and left
locations
Samsung Electronics