4. Alignment and Adjustments
4-1 Tuner
Samsung Electronics 4-1
FM THD Adjustment
Output
Output
450kHz
60 dB
Minumum Distortion (0.3% below)
(Figure 4-1)
SSG FREQ.
Adjustment
point
(IFT2)
98 MHz
FM DETECTOR COIL
AM(MW) I.F Adjustment
Maximum output (Figure 4-3)
SSG FREQ.
Frequency
Adjustment
point
(IFT1)
450 kHz
522 kHz
AM I.F COIL
FM Search Level Adjustment
Adjust IVR1 so that “TUNED” of FLT is
lighted (Figure 4-2)
4Gain : 20dB(CE standard)
Figure4-2 FM Auto Search Level Adjustment
Figure4-3 AM I.F Adjustment
Figure4-1 IF CENTER and THD Adjustment
SSG FREQ.
Adjustment
point
(IVR1)
98 MHz
BEACON
SENSITIVITY
SEMI-VR(5KΩ)
FM SSG
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
IFT1
VTVM Oscilloscope
GND
30 dB
FM SSG
Output
GND
Speaker
Terminal
FM
Antenna
Terminal
Distortion Meter
Input
SET
Input
output
Oscilloscope
FM IN
FM Antenna
SET
5 kΩ
* When adjusting T.H.D., readjust I/F coil on the Tuner Pack.
4-2 Samsung Electronics
4-2-1 To Adjust Tape Speed
* Measuring tape: i) MTT-111 (or equivalent)
(Tapes recorded with 3kHz)
ii) MTT-5512 (or equivalent)
Notes
NOR
SPEED
Control
1
2
MTT-111(3KHZ)
MTT-111(3KHZ)
3000 ±30kHZ
Fig. 4-4
Fig. 4-4
A&B Deck
deviation : 60Hz
-
5200~6600Hz
Check
Remark
Standard
Figure
Location no.
Item
Step
Tape
JVR1
No Adjustment
HI SPEED
Control
Azimuth
1
MTT-111CN
8KHZ
Fig. 4-6
Output:Maximum
Remark
Standard
Figure
Location no.
Item
Step
Tape
HEAD
L,R
Unbalance
1
2
MTT-112B(1KHZ)
MTT-5512
3000 ±30KHZ
Fig. 4-5
Fig. 4-5
VTVM (A-DECK)
85KHZ±1KHZ
JR30
Remark
Frequency
Range
Figure
Location no.
Item
Step
Tape
JVR3R
JL3
Record
Frequency
TP3
Cassette Deck
Speaker
Terminal
output
LINE OUT
Frequency Counter
Figure 4-4
Figure 4-6
Recording /Play head
REVERSE PLAY
AZIMUTH control knob
Figure 4-5
In Out
Cassette Deck
Oscilloscope
4-2 Cassette Deck
Alignment and Adjustments