Cassette Deck; To Adjust Tape Speed; To Adjust Playback Level - Samsung MAX-N50 Service Manual

1-2 Cassette Deck

1-2-1 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 cassette deck to the frequency counter
as in figure 1-4.
Pre-Setup
Step Item
Pre-Setup
Condition
1) Deck 1:MTT-111
OUT
NOR
2) Press PLAY
1
(connected
SPEED
SW button
to the frequency
Control
3) Deck 2:MTT-5512
counter)
1) Deck 1:MTT-111
2) Deck 2:MTT-5512
2 HI SPEED
Same as above
3) Press Hi-SPEED
Control
button.
Adjust REC Bias Voltage
Pre-Setup
Step Item
Pre-Setup
Condition
Connect to
REC
Input MTT-5512
1
Bias
JCW3 as in
into Deck2,then
Voltage
Fig.1-7 and read
press REC button.
the VTVM.
SET
JCW3
Samsung Electronics
Cassette Deck Frequency Counter
SPK OUT
Figure 1-4
To Adjust Standard
Turn CSR1 to
3KHz
left and right
FIXED
5200~6600Hz
:Check
To Adjust Standard
L-CH;JSR2L
See diagram
8mV
and R-CH;JSR2R
for adjustment
to the right and
location
left.
Oscilloscope
VTVM
IN
Figure 1-7

1-2-2 To Adjust PlayBack Level

Notes
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
output
i) MTT-114(or equivalent 10kHz AZIMUTH control)
ii) MTT-112(or equivalent) :
3) The cassette deck is connections as shown in figure 1-6.
Remark
! Adjust Deck 1 Play Level
Pre-Setup
Step Item
Condition
SPK OUT
(VTVM is
AZIMUTH connected to
1
the scope)
Same as
PlayBack
2
above
out Level
@ Adjust Deck 2 Play Level
Remark
Pre-Setup
Step Item
Condition
SPK OUT
1
AZIMUTH
(VTVM is
connected to
the scope)
PlayBack Same as
2
out Level above
Recording /Play head
AZIMUTH control screw
SET
SPK OUT
(GND)
Pre-Setup
To Adjust Standard
After putting MTT-
Max output
1) Turn the control
114 into Deck 1
and same phase
screw to as shown
1)Press PLAY button. (both channels)
in Figure 1-5.
L-CH:Turn JSR2L Adjust to level
PLAY MTT-112
to the right and
and same as
on Deck 1.
left
R-CH.
R-CH : fixed.
Standard
Pre-Setup To Adjust
1) Turn the control
After putting MTT-
Max output
screw to as shown
114 into Deck 2
and same phase
in Figure 1-5.
(both channels)
1)Press PLAY button.
Check level
PLAY MTT-150
No Adjustment
and same as
Deck1 level
on Deck 2.
Alignment and Adjustments
Figure 1-5
Oscilloscope
VTVM
In Out
Figure 1-6
Remark
After
adjustment
secure it with
REGION
LOCK.
See the
diagram for
adjustment
locations.
Remark
After
adjustment
secure it with
REGION
LOCK.
See the
diagram for
adjustment
locations.
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