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SR-400A CYCLONE III
Hallicrafters SR-400A CYCLONE III Manuals
Manuals and User Guides for Hallicrafters SR-400A CYCLONE III. We have
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Hallicrafters SR-400A CYCLONE III manuals available for free PDF download: Operating And Service Instructions, Manual
Hallicrafters SR-400A CYCLONE III Manual (26 pages)
REPAIR & RESTORATION
Brand:
Hallicrafters
| Category:
Transceiver
| Size: 0.62 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
Test Equipment Required
6
Power up Pre-Set Conditions
6
Initial Power up Tests
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
Test Equipment Required
13
Standard Test Conditions
13
Bias Adjust
14
Initial Transmitter Tests
14
Transmitter Power Test
14
Transmitter Fault Isolation
15
3-5-1, Driver Capacitive Pickup Tool
15
3-5-2, Low or no Power Across All Bands
16
3-5-3, no or Low Power on a Single Band
16
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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Hallicrafters SR-400A CYCLONE III Operating And Service Instructions (73 pages)
Communications Trancseiver
Brand:
Hallicrafters
| Category:
Transceiver
| Size: 2 MB
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