Samsung S1000 Service Manual page 12

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)
2) Connect the cassette deck to the frequency counter
as shown in figure 4-4.
Pre-Setup
Step Item
Condition
1) Deck:MTT-111
Output
Control
2) Press PLAY
(connected
counter
1
SW button
to the frequency
counter)
DWA2
DSR1L
DSR3
DSR1R
4-2
Cassette Deck Frequency Counter
TP3
LINE OUT
Figure 4-4
To Adjust Standard
Pre-Setup
Turn DSR3 to
3KHz ±1%
left and right
DL4
DL5R DSR2R
DWA3
DL5L
DSR2L
4-2-2 To Adjust Playback Head
Notes
1) Before the actual adjustment, clean the play/recording
head.
2) Measuring tape :
output
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 4-6.
Remark
! Adjust Deck Replay Level
Step Item
DWA2
AZIMUTH
Output
(VTVM is
1
connected to
the scope)
Replay Same as
out Level
above
2
DSR4
AZIMUTH control knob
Cassette Deck
Pre-Setup
Pre-Setup To Adjust
Condition
After putting MTT-
1) Turn the control
knob to as shown
114NA into Deck 1
in Figure4-5.
1) Press FWD PLAY
2) Adjust the right
button.
control screw to
2) Press REV PLAY
playback REV. Mode
button.
L-CH:Turn DSR1L
PLAY MTT-150
to the right and
on Deck .
left
R-CH:Turn DSR1R
to the right and
left
Recording /Play head
Reverse Play
Figure 4-5
VTVM Oscilloscope
V H
DWA2
In Out
Figure 4-6
Standard
Remark
Max output After
and same phase adjustment
(both channels) secure it with
REGION
LOCK.
See the
25mV ±0.5dB
diagram for
adjustment
locations.
Samsung Electronics