Samsung MAX-N22, Руководство по обслуживанию

Страница: 3 / 24

1-1 Samsung Electronics
OUTPUT
AM SSG
450KHZ
INPUT
AM ANT
IN
Speaker Terminal
60cm
TFT1
VTVM Oscilloscope
1. Alignment and Adjustments
1-1 Tuner
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)
4Gain : 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
Ω
)
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