SAMSUNG S1000 Alignment and Adjustments
4. Alignment and Adjustments
4-1 Tuner
Samsung Electronics 4-1
FM THD Adjustment
Minimum Distortion (Figure 4-1)
SSG FREQ.
Adjustment
point
(IFT6)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
“TUNED” is shown on FLT (Figure 4-2)
* Note : Adjust FM S.S.G Level to
EMF 21dB(Included Loss)
Figure4-2 FM Auto Search Level Adjustment
Figure4-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(MSR1)
98 MHz
SEMI-VR(5KB)
FM SSG
GND
30 dB
FM SSG
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
75Ω
Dummy
FM IN
FM Antenna
SET
5 kB
AM IF Adjustment
Level : Maximum (Figure 4-3)
Figure4-3 AM IF Level Adjustment
SSG FREQ.
Adjustment
point
(IFT2)
594 MHz
AM IF COIL
AM SSG
60 cm
VTVM
Oscilloscope
FM
Antenna
Terminal
IFT2
IFT4
MVR1
4-2 Samsung Electronics
Alignment and Adjustments
4-2 Cassette Deck
4-2-1 To Adjust Tape Speed
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.
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 4-6.
Notes
Notes
Control
counter
1
Output
(connected
to the frequency
counter)
Turn DSR3 to
left and right
3KHz ±1%
Remark
Standard
To Adjust
Pre-Setup
Item
Step
Pre-Setup
Condition
1) Deck:MTT-111
2) Press PLAY
SW button
AZIMUTH
1
2
DWA2
Output
(VTVM is
connected to
the scope)
1) T urn the control
knob to as shown
in Figure4-5.
2) Adjust the right
control screw to
playback REV . Mode
Max output
and same phase
(both channels)
After
adjustment
secure it with
REGION
LOCK.
25mV ±0.5dB
L-CH:T urn DSR1L
to the right and
left
R-CH:T urn DSR1R
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 .
Replay
out Level
4-2-2 To Adjust Playback Head
! Adjust Deck Replay Level
TP3
Cassette Deck
output
LINE OUT
Frequency Counter
Figure 4-4
Figure 4-5
Recording /Play head
Reverse Play
AZIMUTH control knob
Figure 4-6
In Out
V H
DWA2
Cassette Deck
VTVM Oscilloscope
DWA2
DSR3
DSR1L
DSR1R
DSR2R
DSR4
DSR2L
DWA3
DL5R
DL5L
DL4
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