SAMSUNG max632 Alignment and Adjustments

4. Alignment and Adjustments
4-1 Tuner
Samsung Electronics 4-1
FM THD Adjustment
Minumum Distortion (Figure 4-1)
SSG FREQ. Adjustment
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
“TUNED” is shown on FLT (Figure 4-2)
Figure4-2 FM Auto Search Level Adjustment
Figure4-1 IF CENTER and THD Adjustment
SSG FREQ. Adjustment
(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
75
Dummy
FM IN
FM Antenna
SET
5 kB
IFT6
FM T.H.D
MSR1
FM TUNED
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)
ii) MTT-5512 (or equivalent)
2) Connect the cassette deck to the frequency counter
as in figure 4-3.
1) Before the actual adjustment, clean the replay/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 4-5.
Notes
Notes
NOR SPEED Control
counter
1
2
OUT (connected to the frequency counter)
Turn DSR5 to left and right
3KHz ±1%
5700 ~ 6300KHZ
Fixed
Check
Remark
Standard
To Adjust
Pre-Setup
Item
Pre-Setup Condition
Same as above
1) 1-Deck:MTT-111
2) Press PLAY SW button
3) 2-Deck:Same as below
1) 1-Deck:MTT-111
2) 2-Deck:MTT-5512
3) Press Hi Speed dubbing SW button
HI SPEED Control
AZIMUTH
1
2
TP3 OUT (VTVM is connected to the scope)
1) T urn the control knob to as shown in Figure4-4.
2) Adjust the right
control screw to playback REV . Mode
Max output and same phase (both channels)
After adjustment secure it with REGION LOCK.
100mV ±0.5dB
L-CH:T urn DSR3L
to the right and left
R-CH:Fixed
See the diagram for adjustment locations.
Remark
Standard
To Adjust
Pre-Setup
Item
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
TP3 OUT (VTVM is connected to the scope)
1) T urn the control knob to as shown in Figure4-4.
2)Adjust the right
control screw to playback REV . Mode
Max output and same phase (both channels)
After adjustment secure it with REGION LOCK.
100mV ±0.5dB
L-CH:T urn DSR4L
to the right and left
R-CH:Fixed
See the diagram for adjustment locations.
Remark
Standard
To Adjust
Pre-Setup
Item
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
4-2-2 To Adjust Replay Head
@ Adjust 2-Deck Replay Level
! Adjust 1-Deck Replay Level
TP3
Cassette Deck
output
LINE OUT
Frequency Counter
Figure 4-3
Figure 4-4
Recording /Play head
REVERSE PLAY
AZIMUTH control knob
Figure 4-5
In Out
Cassette Deck
Oscilloscope
LINE OUT
TP3
(GND)
VTVM
V H
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