Cassette Deck; To Adjust Tape Speed; To Adjust Playback Level; Adjust Rec Bias Voltage - Samsung MAX-WB630 Service Manual

3 cd changer mini mini component
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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
Control
to the frequency
3) Deck 2:MTT-5512
counter)

Adjust REC Bias Voltage

Pre-Setup
Step
Item
Pre-Setup
Condition
Connect to
REC
Input MTT-5512
1
Bias
DCW2 as in
into Deck2,then
Voltage
Fig.1-7 and read
press REC button.
the VTVM.
SET
UCW2
Samsung Electronics
Cassette Deck
Frequency Counter
SPK OUT
Figure 1-4
To Adjust
Standard
Turn URV1 to
3KHz
left and right
FRONT PCB
To Adjust
Standard
L-CH;DSR2
See diagram
6V
and R-CH;DSR1
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
1
connected to
the scope)
@ Adjust Deck 2 Play Level
Remark
Pre-Setup
Step
Item
Condition
SPK OUT
1
AZIMUTH
(VTVM is
connected to
the scope)
Recording /Play head
AZIMUTH control screw
SET
SPK OUT
(GND)
Pre-Setup
Standard
To Adjust
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.
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.
Alignment and Adjustments
Figure 1-5
Oscilloscope
VTVM
In Out
Figure 1-6
Remark
After
adjustment
secure it with
REGION
LOCK.
Remark
After
adjustment
secure it with
REGION
LOCK.
1-3

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