SAMSUNG Mm-39 Alignment and Adjustments

OUTPUT
AM SSG 450KHZ
INPUT
AM ANT IN
Speaker Terminal
TFT1
VTVM Oscilloscope
1. Alignment and Adjustments
1-1 Tuner
Samsung Electronics 1-1
FM THD Adjustment
Output
Output
1kHz 28dB
60 dB
Minumum Distortion (0.3% below) (Figure 1-1)
SSG FREQ.
Adjustment point (TFT2)
98 MHz
FM DETECTOR COIL
AM(MW) I.F Adjustment
Maximum output (Figure 1-3)
SSG FREQ.
Frequency
Adjustment point (TFT1)
450 kHz
522 kHz
AM I.F COIL
FM Search Level Adjustment
Adjust IVR1 so that “TUNED” of FLT is lighted (Figure 1-2)
4Gag : 20dB(CE standard)
Figure1-2 FM Auto Search Level Adjustment
Figure1-3 AM I.F Adjustment
Figure1-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment point
(TVR1)
98 MHz
BEACON SENSITIVITY
SEMI-VR(20K)
FM SSG
GND
28 dB
FM SSG
Output GND
Speaker Terminal
FM Antenna Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
TVR1 20KHz
* When adjusting T.H.D., readjust I/F coil on the Tuner Pack.
OUTPUT
1-2-1 To Adjust Tape Speed
* Measuring tape: i) MTT-111 CN(or equivalent)
(Tapes recorded with 3kHz)
ii) MTT-5512 (or equivalent)
Notes
SPEED
Control
1
MTT-111N (3KHZ)
3 kHZ ±1%
Fig. 1-4
FRONT PCB
Remark
Standard
Figure
Adjust Point
Item
Step
Tape
USVR1
Azimuth
1
MTT-111CN
8KHZ
Fig.1-4 Fig. 1-6
Output:Maximum
Remark
Standard
Figure
Adjust Point
Item
Step
Tape
Adjustment
screw of HEAD
1
MTT-5512
Fig. 1-5
85KHZ±1KHZ
Remark
Frequency Range
Figure
Adjust Point
Item
Step
Tape
JT1
Record Frequency
Speaker Terminal
output
Frequency Counter
Figure 1-4
Figure 1-6
Recording /Play head
AZIMUTH control
Figure 1-5
In Out
Cassette Deck
Oscilloscope
SET
(GND)
VTVM
V H
1-2 Cassette Deck
Alignment and Adjustments
2-2
Samsung Electronics
SP2
SPEAKER
Pre­Setup
Press play button after puting tape into the Deck1
Pre­Setup
Press Rec button after connecting (Fig1-5)
Pre­Setup
Press Play button after puting tape into the Deck1
- Adjust SPEED Control
- Adjust Record Frequency
- Adjust Azimuth
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