Hallicrafters SR-400 CYCLONE II Manuals

Hallicrafters SR-400 CYCLONE II Manuals

Manuals and User Guides for Hallicrafters SR-400 CYCLONE II. We have 1 Hallicrafters SR-400 CYCLONE II manual available for free PDF download: Manual

Hallicrafters SR-400 CYCLONE II Manual

Hallicrafters SR-400 CYCLONE II Manual (26 pages)

REPAIR & RESTORATION

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

Table of Contents

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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