ELECTRICAL ADJUSTMENT
1. AM IF Adjustment
Setting : • Test point : TP1, 2(IN), TP8, 9(OUT)
T2 . . . . . . . . . . . . . . . . . . . . . 450 kHz
2. FM IF Adjustment
Setting : • Test point : TP2, 3(IN), TP8, 9(OUT)
IT1 . . . . . . . . . . . . . . . . . . . . 10.7 MHz
3. AM FREQ, RANGE Adjustment
Setting : • Test point : L1(IN), TP6, 7, 8, 9(OUT)
L4 . . . . . . . . . . . . . . . . . . . . . 515 kHz
TC4 . . . . . . . . . . . . . . . . . . . . 1635 kHz
4. AM Tracking Adjustment
Setting : • Test point : L1(IN), TP6, 7(OUT)
L1 . . . . . . . . . . . . . . . . . . . . . 600 kHz
TC1 . . . . . . . . . . . . . . . . . . . . 1400 kHz
5. FM FREQ, RANGE Adjustment
Setting : • Test point : TP4, 5(IN), TP6, 7, 8, 9(OUT)
L3 . . . . . . . . . . . . . . . . . . . . 87.4 MHz
TC3 . . . . . . . . . . . . . . . . . . 108.3 MHz
6. FM Tracking Adjustment
Setting : • Test point : TP4, 5(IN), TP6, 7(OUT)
TC2 . . . . . . . . . . . . . . . . . . . 106 MHz
PRACTICAL SERVICE FIGURE
<AM SECTION>
Sensitivity
Less than 50 dB (600 kHz)
(S/N 10dB)
Less than 46 dB (1000/1400 kHz)
S/N (Input 60dB)
Less than 21 dB (600 kHz)
Less than 24 dB (1000/1400kHz)
Distortion
Less than 5 % (1000 kHz)
Intermediate frequency 450kHz
<FM SECTION>
Sensitivity (3% dist.)
Less than 20 dB (88/98/108 MHz)
S/N (at 60dB)
Less than 50 dB (98 MHz)
Distortion (at 60dB)
Less than 3% (98MHz)
Intermediate frequency 10.7MHz
All manuals and user guides at all-guides.com
Содержание FR-A255
Страница 4: ...SCHEMATIC DIAGRAM _ 1 MAIN C B All manuals and user guides at all guides com...
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Страница 8: ...ELECTRICAL ADJUSTMENT All manuals and user guides at all guides com...
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