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SPR-4
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Informacja
The SPR-4 is an all solid-state communications Receiver which can be programmed with accessory crystals to cover 150
kHz to 30 MHz . The SPR-4 receives AM, CW, SSB (upper and
lower) and may be powered from 120 VAC, 240 VAC and 12 VDC.
1 podręcznik
Instrukcja obsługi i użytkowania
Typ ręczny:
Instrukcja obsługi i użytkowania
Strony:
69
Rozmiar:
17,2 MB
Język:
angielski
Poprawka:
Manual-ID:
Data:
Jakość:
Zeskanowany dokument, wszystko czytelne.
Data przesłania:
9 sierpnia 2017
MD5:
b356e8bb-8cbb-f812-b7c6-81dcd3452cd8
Informacja
1. GENERAL DESCRIPTION 1
1.1 Features 1
1.2 Specifications 1
2. INSTALLATION 5
2 . 1 Unpacking 5
2.2 Location 5
2.3 Power Requirements 5
2.4 Antennas 5
2.5 Speakers 6
2.6 Headphone Operation 6
2.7 Viewing Angle Options 6
2.8 Rear Controls & Connectors 6
3. OPERATION 11
3.1 Operating Controls 11
3.2 Simplified Operating Procedure 12
3.3 Dial Calibration 12
4. PRINCIPLES OF OPERATION 14
4. 1 Loop Amplifier 14
4.2 R .F Amplifier 14
4.3 First Mixer 14
4.4 Premixer 14
4.5 Second Mixer 15
4.6 I.iF. System 15
4.7 Detection Systems 15
4.8 Audio Amplifier 15
4.9 AVC System 16
4. 10 S-Meter 16
5 . ALIGNMENT 19
5 .1 Removing Cover 19
5.2 Trouble Shooting 19
5.3 Alignment Instructions 19
6. ACCESSORIES 24
6.1 SCC-4 Crystal Calibrator 24
6.2 5-NB Noise Blanker 24
6.3 RY-4 Radio Teletype Adaptor 26
6.4 TA-4 Transceive Adaptor 28
6.5 AVC Alterations 31
6.6 Service Data on Accessories 34
Viewing Angle Options 1 4
Front Panel Operating Controls 2 9
Rear Controls & Connections 3 10
Block Diagram 4 13
Top Alignment Adjustment Points 5 17
Bottom Alignment Adjustment Points 6 18
SCC-4 Circuit Board 7 34
RY-4 Calibration Connection to SCC4 8 35
SCC-4 Schematic Diagram 9 35
5-NB Circuit Board 10 -37
5-NB Schematic Diagram 11 38
RY-4 Circuit Board Installation 12 39
RY-4 Pictorial Wiring Diagram 13 39
RY-4 Circuit Board 14 40
RY-4 Schematic Diagram 15 41
TA-4 Circuit Board Installation 16 42
TA-4 Pictorial Wiring Diagram 17 42
TA-4 Circuit Board 18 44
TA-4 Schematic Diagram 19 45
Bottom View - Circuit Board 20 46
Transistor Lead Configuration 21 49
Loop Amplifier Circuit Board 22 50
RF Amplifier Circuit Board 23 51
Range Crystal Oscillator CircuitBoard24 52
Accessory Crystal Circuit Board 25 53
Premixer Circuit Board 26 54
Premixer Output Circuit Board 27 55
1st Mixer Circuit Board 28 56
2nd Mixer Circuit Board 29 57
1st IF Amplifier Circuit Board 30 58
2nd IF Amplifier Circuit Board 31 58
S-Meter Circuit Board 32 59
Notch Filter Circuit Board 33 59
5 0 kHz Filter Circuit Board 34 60
BFO Circuit Board 35 60
AM Detector Circuit Board 36 61
Audio Amplifier Circuit Board 37 61 Power Supply Circuit Board 38 62
Accessory Crystal Chart — 33
SCC-4 DC/RF Voltage Chart -- 34
5-NB DC/RF Voltage Chart — 36
RY-4 DC Voltage Chart — 40
TA-4 DC Voltage Chart — 43 SPR-4 DC Voltage Chart — 47 SPR-4 RF Voltage Chart — 48 SPR-4 Schematic Diagram Fold Out
Pliki:
1240
Pobierz
drake--spr-4--service-user--ID9269.pdf