Hallicrafters SR-400A CYCLONE III Manuals

Manuals and User Guides for Hallicrafters SR-400A CYCLONE III. We have 2 Hallicrafters SR-400A CYCLONE III manuals available for free PDF download: Operating And Service Instructions, Manual

Hallicrafters SR-400A CYCLONE III Operating And Service Instructions (74 pages)

Communications Trancseiver

Brand: Hallicrafters | Category: Transceiver | Size: 2 MB

Table of Contents
4
List of Illustrations
6
List of Tables
7
General Description
8
Introduction
8
Television Interference Suppression
9
Specifications
12
Installation
16
Unpacking
16
Location
16
Antenna
16
Microphone
17
Keyer
17
Phone Patch
17
Headphones
17
Typical Base Station Installation
18
Base Station Installation with Linear Amplifier
18
Mobile Installation
19
Wiring Diagram of Mobile Installation
21
Mobile Noise Suppression
22
Operating Controls
23
Tuning Control
23
Front Panel View
23
Rit Control
24
Function Control
24
Noise Blanker Control
24
Cal On/Cal Adj Control
24
Band Selector Control
25
Preselector
25
RF Level/MIC Gain Control
25
Meter Control
25
Tuning Procedure
26
Receiver Operation
26
Dial Calibration
27
Basic Transmitter Tune-Up
27
CW Operation
29
Push to Talk SSB Operation
29
Voice Controlled SSB Operation
30
Theory of Operation
31
General
31
Receiver Section
31
Block Diagram
32
Transmitter Section
33
Metering
33
AALC System
34
Vox Control
34
Service Data
36
Cover and Chassis Removal
36
Tube and Dial Lamp Replacement
36
Final Amplifier Tube Replacement
36
Load Control Restringing Procedure
37
Troubleshooting
37
Service and Operating Questions
37
Load Control Restringing Diagram
37
Tube Voltage Chart
39
Tube Resistance Chart
40
Alignment
41
Equipment Required
41
Bias Adjustment
41
"S" Meter Zero Adjustment
45
Crystal Calibrator Adjustment
45
Final Amplifier Neutralization
45
Carrier Balance
45
VFO Calibration Alignment
46
VFO Calibration
47
VFO Corrector Adjustment
47
IF Alignment
47
Alignment of Transmitter Mixer/Driver and Receiver Antenna Stages
48
Bfo/Carrier Oscillator Alignment
50
Heterodyne Crystal Oscillator Alignment
50
AC Power Supply
51
234-Volt Operation
51
Chassis Removal
51
Repair Parts List
51
Schematic Diagram
53
DC Power Supply
54
Mobile Mounting Rack
57
Wiring Diagram
57
Operation Switch Position Vs Circuit Functions
60
VFO Calibration Adjustments
60
Tube Locations
61
Trimmer and Coil Adjustments
62

Hallicrafters SR-400A CYCLONE III Manual (26 pages)

REPAIR & RESTORATION

Brand: Hallicrafters | Category: Transceiver | Size: 0 MB

Introduction
2
Table of Contents
3
1 Sr-400 Initial Inspection and Testing

5
- Visual and Mechanical Inspection
  5
- Recapping
  5
- After Market Modifications
  5
- Initial Power up
  6
- Check and Adjustment of Oscillators
  7
  - Test Equipment Required
    7
  - Carrier Oscillator
    7
  - Heterodyne Oscillator
    7
  - Vfo
    8
    
    Rit/Cal
    8
    
    Vfo Corrector
    8
    
    Vfo Alignment
    8
2 Receiver Fault Isolation

10
- Equipment Required
  10
- Standard Test Conditions
  10
- Procedure Overview & Preset Conditions
  10
- Receiver Fault Isolation Chart
  11
- Agc Test
  12
  - Agc Figure of Merit
    12
  - Agc Threshold Adjustment
    12
- S-Meter Zero
  12
- Cal Oscillator
  12
  - Cyclone II Test
    12
  - Cyclone III Test
    12
3 Transmitter Testing

13
4 Subsystem Troubleshooting and Testing

17
- Vfo Drift
  17
- V15 Rx Fault Isolation
  17
- V9B Rx Fault Isolation
  17
- V9A Rx Fault Isolation
  17
- V7A Rx Fault Isolation
  17
- Xtal Rx Filter/Notch Fault Isolation
  17
- V6 Rx Fault Isolation
  17
- V4A Rx Fault Isolation
  18
- V3 Rx Fault Isolation
  18
- V2 Rx Mixer Fault Isolation
  18
- V1 Rx Fault Isolation
  18
- Repair and Restoration of the Sr
  18
5 Tech Notes

19
- Basic Tune up
  19
  - The Problem
    19
  - Why Is this Important
    19
  - A Simple Solution
    19
  - Summation
    19
  - Manual Section 5-4 Mark up
    20
- Pa Neutralization
  22
- Optional 6 Meg if Alignment
  23
- 5-X. ADDITIONAL TECHNICAL INFORMATION SOURCES
  23
6 Data Sheets

24
- Vfo Frequency Correction
  24
- Performance Data
  25
  - Receiver Performance Data
    25
  - Transmitter Performance
    26

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Receiver Transmitter Transceiver Radio Amplifier

More Hallicrafters Manuals

Hallicrafters SR-400A CYCLONE III Manuals

Hallicrafters SR-400A CYCLONE III Operating And Service Instructions (74 pages)

Table of Contents

Hallicrafters SR-400A CYCLONE III Manual (26 pages)

Table of Contents

1 Sr-400 Initial Inspection and Testing

2 Receiver Fault Isolation

3 Transmitter Testing

4 Subsystem Troubleshooting and Testing

5 Tech Notes

6 Data Sheets

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Hallicrafters Categories