Samsung MAX-N72, Руководство по обслуживанию

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Alignment and Adjustments
1-3 Samsung Electronics
(GND)
VTVM
1-2-1 To Adjust Tape Speed
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.
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
i) MTT-114NA(or equivalent 12.5kHz AZIMUTH control)
ii) MTT-150(or equivalent : Dolby level 200nwb/m)
3) Dolby NR SW OFF
4) The cassette deck is connections as shown in figure 1-6.
Notes
Notes
NOR
SPEED
Control
1
2
OUT
(connected
to the frequency
counter)
Turn CVR1 to
left and right
3KHz
6KHz
Turn CVR2
to left and
right
Remark
Standard To Adjust
Pre-Setup
Item Step
Pre-Setup
Condition
Same as above
1) Deck 1:MTT-111
2) Press PLAY
SW button
3) Deck 2:Same
as above
1) Deck 1:MTT-111
2) Deck 2:MTT-5512
3) Press DUBBING
SW button two times.
HI SPEED
Control
AZIMUTH
1
2
TP1 OUT
(VTVM is
connected to
the scope)
1) Turn the control
screw to as shown
in Figure 1-5.
2) Adjust the right
control screw to
playback REV. Mode
Max output
and same phase
(both channels)
After
adjustment
secure it with
REGION
LOCK.
Adjust to level
and same Aux
level. L-CH:Turn JSR2L
to the right and
left
R-CH:Turn J SR2R to
the right and left
See the
diagram for
adjustment
locations.
Remark
Standard
To Adjust
Pre-Setup
Item Step
Pre-Setup
Condition
Same as
above
After putting MTT-
114NA into Deck 1
1) Press FWD PLAY
button.
2) Press REV PLAY
button.
PLAY MTT-150
on Deck 1.
PlayBack
out Level
AZIMUTH
1
2
TP1 OUT
(VTVM is
connected to
the scope)
1) Turn the control
screw to as shown
in Figure 1-5.
2)Adjust the right
control screw to
playback REV. Mode
Max output
and same phase
(both channels)
After
adjustment
secure it with
REGION
LOCK.
Adjust to level
and same Aux
level.
L-CH:Turn JSR3L
to the right and
left
R-CH:Turn JSR3R to
the right and left
See the
diagram for
adjustment
locations.
Remark Standard To Adjust
Pre-Setup
Item Step
Pre-Setup
Condition
Same as
above
After putting MTT-
114NA into Deck 2
1)Press FWD PLAY
button.
2)Press REV PLAY
button.
PLAY MTT-150
on Deck 2.
PlayBack
out Level
1-2-2 To Adjust PlayBack Level
@
Adjust Deck 2 Play Level
!
Adjust Deck 1 Play Level
Cassette Deck
output
SPK OUT
Frequency Counter
Figure 1-4
Figure 1-5
SPK OUT
Recording /Play head
FWD PLAY
REVERSE PLAY
AZIMUTH control screw
Figure 1-6
In Out
Cassette Deck
Oscilloscope
1-2 Cassette Deck
Fig1-8
Fig1-8
To Adjust Recording Level
1
See diagram
for adjustment
locations
25 mV
L-CH: JSR1L and
R-CH: JSR1R to
the right and left
To Adjust Standard
Remark
Pre-Setup
Item Step
Pre-Setup
Condition
Connect to
JCW2 as in Figure
1-7 and read the
VTVM
Insert MTT-5512 into
Deck2, then press
REC button.
BIAS
Electric
current
Figure 1-7
Audio OSC. Cassette Deck
Oscilloscope
AUX IN
SPK OUT
VTVM
IN
JCW2
IN OUT