Samsung MM-26, Service Manual

Page: 12 / 53

Samsung Electronics 4-2
Alignment and Adjustments
4-2 Cassette Deck
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.
NOTES
4-2-1 To Adjust Tape Speed
1) Measuring tape :
i) MTT-113CN (or equivalent 8 kHz AZIMUTH
control).
2) The SET is connections as shown in Figure 4-6.
NOTES
4-2-2 To Adjust Azimuth and Record BIAS
NOR
SPEED
Control
counter
Figure 4-4
1) Deck: MTT-111
2) Press PLAY SW
button
Turn JVR51 to
left and right.
3KHZ 1%
1
Step
Step
Step
To Adjust
To Adjust
To Adjust
Item
Item
Item
Standard
Standard
Standard
Remark
Remark
Remark
Pre-Setup
Condition
Pre-Setup
Condition
Pre-Setup
Condition
Pre-Setup
Pre-Setup
Pre-Setup
AZIMUTH
Figure 4-5
After putting MTT
-113CN into Deck .
1) Press FWD
PLAY button.
2) Press REV
PLAY button.
1) Figure 4-5
2) Adjust the right
control screw to
playback Rev.
Mode.
Max output
and same
phase (both
channels).
After
adjustment
secure it
with
REGION
LOCK.
See the
diagram
for
adjustment
locations
1
BIAS
Figure 4-6
Insert MTT-5512
into Deck,then press
REC button.
Turn BIAS oscillator
frequency coil (JT1) to
the right and left
85KHz 5%
1
1 .
Adjust 1-Deck Replay Level
2 .
Adjust Record Bias Level
Figure 4-4 Figure 4-5
Figure 4-6
SET
JC25
DUMMY
Frequency
Counter
SET Frequency Counter
Speaker
Terminal
Output
(GND)
Recording/Play head
Forward Play
Reverse
Play
AZIMUTH control