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HQ-170
Hammarlund HQ-170 Manuals
Manuals and User Guides for Hammarlund HQ-170. We have
1
Hammarlund HQ-170 manual available for free PDF download: Instruction And Service Information
Hammarlund HQ-170 Instruction And Service Information (30 pages)
communications receiver
Brand:
Hammarlund
| Category:
Receiver
| Size: 2.88 MB
Table of Contents
Tube Complement
2
Single Wire Antenna Connections
4
Balanced Transmission Line Antenna Connections
4
Installation
5
Unpacking
5
Speaker Connection
5
Installing Antenna
5
Location of Controls
6
Operation
7
AM Reception
7
Code Signal Reception
7
Single Side Band Reception
8
Calibrate
8
Break-In Relay
9
IF Passband Response Curves
9
Circuit Theory
10
Pre-Selection
10
Converter Stage
10
Auto-Response Curve
10
455 KCS if Amplifier
11
3Rd Mixer Stage
11
60 KCS if Amplifier Stage
11
AVC System
11
Detector-Noise Limiter System
12
Beat Frequency Oscillator
12
Audio Amplifier
12
Service and Alignment Procedure
13
IF Alignment
13
Top View of Chassis
13
Bottom View of Chassis
14
RF Alignment
15
Dial Cable Assembly
16
Calibrator Alignment
16
Maintenance
17
Instructions for Replacement of Dial Cable Assembly
17
Instructions for Replacement of Antenna Trimmer Cord Assembly
18
Installation and Operating Suggestions
19
5 Kc Selectivity Position
19
Vox Circuit Requirements
19
Grid Block Biasing for Vox Circuits
19
Telechron Automatic Timer
20
Dial Calibration Accuracy
20
RF Feed Back
20
Slot Depth Control
20
Parts List HQ-170
23
Tube Location Diagram
26
Schematic Diagram
27
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