SAMSUNG max960, Max980 Alignment and Adjustments

1-1Samsung Electronics
1. Alignment and Adjustments
1-1 Tuner
FM THD Adjustment
Output
Output
23 dB
60 dB
Minumum Distortion (0.3% below) (Figure 1-1)
SSG FREQ.
Adjustment point (TL3)
98 MHz
FM DETECTOR COIL
FM Search Level Adjustment
Adjust TSR1 so that “TUNED” of FLT is lighted (Figure 1-2)
Figure1-2 FM Auto Search Level Adjustment
*Adjust FM S.S.G level to 23dB
Figure1-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment point
(TSR1)
98 MHz
BEACON SENSITIVITY
SEMI-VR(5K)
FM S.S.G
GND
23 dB
FM S.S.G
Output GND
Speaker Terminal
FM Antenna Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
5 k
OUTPUT
AM SSG 450KHZ
INPUT
AM ANT IN
Speaker Terminal
60cm
TL2
VTVM Oscilloscope
AM(MW) I.F Adjustment
Maximum output (Figure 1-3)
SSG FREQ.
Frequency
Adjustment point (TL2)
450 kHz
522 kHz
AM I.F COIL
Figure1-3 AM I.F Adjustment
OUTPUT
* Adjustment Location of SW Band
* Adjustment Location of LW Band
(GND)
VTVM
Alignment and Adjustments
1-2 Samsung Electronics
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
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