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Manuals
Brands
Hammarlund Manuals
Receiver
SP-400-X
Operating instructions manual
Hammarlund SP-400-X Operating Instructions Manual
Super-pro communications recever
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Table Of Contents
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Contents
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Table of Contents
Description
General
Features
Mechanical
Power Sources
Weights and Dimensions
Frequency Bands
Rack Mounting
Band Identification
Band Spread
Installation and Operation
Power Output
Dial Calibration
Connection to Power Supply
Connection for Battery Operation
Antenna
Wide-Band Antenna
Narrow-Band Antenna
Chassis Ground
Earphones
Loudspeaker
Preparation for Use
Power Transformer Primary Tap
Tubes
Receiver
Power Supply
Operation
Radiophone Reception
Limiter off on
Crystal Filter
Receiver Silencing
Phono Operation
Tuning
Top Chassis View Showing Arrangement of Components
Circuit Arrangement
RF Amplifier
Earphone Operation
S-Meter Tuning
HF Oscillator
First Detector
Controls
Variable Selectivity
I-F Amplifier
Second Detector
Noise Limiter
AVC Amplifier and Rectifier
"S" Meter
Beat Oscillator
AF Amplifier
Circuits
Output Transformer
Internal Connections to Tube Base Pins
Socket Terminal Resistance Values
Tube Socket Terminals
Tube Socket Voltages
Maintenance
Tube Check
Continuity Tests
Alignment
Bottom View of Chassis
Signal Generator
Output Meter
Preliminary Procedure
Alignment Procedure
IF Alignment Check
Beat Oscillator Alignment Check
HF Oscillator Calibration Check
RF and 1St Detector Alignment Check
Table of Parts
Circuit Diagram
Power Supply Diagram
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Power Sources
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Circuit Diagram
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Power Supply Diagram
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