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SP-400-X
Hammarlund SP-400-X Manuals
Manuals and User Guides for Hammarlund SP-400-X. We have
1
Hammarlund SP-400-X manual available for free PDF download: Operating Instructions Manual
Hammarlund SP-400-X Operating Instructions Manual (34 pages)
Super-pro communications recever
Brand:
Hammarlund
| Category:
Receiver
| Size: 2 MB
Table of Contents
Description
2
General
2
Features
2
Mechanical
2
Power Sources
3
Weights and Dimensions
3
Frequency Bands
3
Rack Mounting
3
Band Identification
4
Band Spread
4
Installation and Operation
5
Power Output
5
Dial Calibration
5
Connection to Power Supply
5
Connection for Battery Operation
6
Antenna
6
Wide-Band Antenna
6
Narrow-Band Antenna
7
Chassis Ground
7
Earphones
7
Loudspeaker
7
Preparation for Use
8
Power Transformer Primary Tap
8
Tubes
8
Receiver
9
Power Supply
9
Operation
10
Radiophone Reception
10
Limiter off on
11
Crystal Filter
11
Receiver Silencing
11
Phono Operation
12
Tuning
12
Top Chassis View Showing Arrangement of Components
12
Circuit Arrangement
13
RF Amplifier
13
Earphone Operation
13
S-Meter Tuning
13
HF Oscillator
14
First Detector
14
Controls
14
Variable Selectivity
14
I-F Amplifier
15
Second Detector
15
Noise Limiter
15
AVC Amplifier and Rectifier
16
"S" Meter
16
Beat Oscillator
16
AF Amplifier
17
Circuits
17
Output Transformer
17
Internal Connections to Tube Base Pins
18
Socket Terminal Resistance Values
18
Tube Socket Terminals
19
Tube Socket Voltages
19
Maintenance
20
Tube Check
20
Continuity Tests
20
Alignment
21
Bottom View of Chassis
21
Signal Generator
22
Output Meter
22
Preliminary Procedure
22
Alignment Procedure
23
IF Alignment Check
23
Beat Oscillator Alignment Check
24
HF Oscillator Calibration Check
25
RF and 1St Detector Alignment Check
25
Table of Parts
27
Circuit Diagram
33
Power Supply Diagram
33
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