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7D-2
TUNER 95 bis Adjustment Table (FM, MW, LW with Frame antenna)
Waverange
Input frequency
Input
Set tuned to
Adjust
Output
Scope / Voltmeter
VARICAP ALIGNMENT
FM
(50)
108 MHz
check
7 ... 9V
87.5 - 108 MHz
87.5 MHz
check
1.3 ... 2V
MW (9)
1602 kHz
5123
8.3V
±
0.2V
531 - 1602 kHz
531 kHz
check
1V
±
0.4V
LW (3)
279 kHz
5122
8.3V
±
0.2V
153 - 279 kHz
153 kHz
check
1V
±
0.4V
FM – DETECTION
FM
98 MHz 1mV
continuous wave
short pin 21 (IC7101)
to ground
98 MHz
5107
0mV
±
3mV
FM – VCO
98 MHz 1 mV
FM
continuous wave
98 MHz
3142
152kHz
±
1 kHz
DISTORTION
98 MHz 1 mV
mixcoil
FM
90 % L +
98MHz
inside
Distortion
9 % pilot
Tuner
minimum
mod = 1kHz
1110
AM – IF
450kHz
5111
∆
f = 10kHz
symmetrical and
Low as possible
max. height
MW
Swept signal
MW
5112
450kHz
5114
0mV
±
2mV
continuous wave
AM - RF
558kHz
558kHz
5102
MW
Mod = 1kHz
MAX
30 % AM
1494 kHz
1494kHz
2106
198kHz
*
LW
mod = 1kHz
198kHz
5103
MAX
30 % AM
* Signal send via a frame antenna
adjtable for 3104 217 04121/04341
(..) = tuning grid in kHz
repeat
100nF
50E
2
1
A
C
A
A
2
1
B
7
7
4
3
6
Содержание SR-3000
Страница 38: ......
Страница 45: ...9 1 TABLE OF CONTENTS Troubleshooting 9 2 Block diagram 9 3 Partslist 9 4 MULTI CHANNEL DECODING MODULE ...
Страница 49: ...10 1 TABLE OF CONTENTS Circuit diagram 10 2 Component layout 10 3 Partslist 10 5 MAINS BOARD ...
Страница 50: ......
Страница 71: ...SR3000 SR4000 EXPLODED VIEW 12 1 12 1 ...