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Manuals
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Heathkit Manuals
Receiver
HD-3030
User manual
Table Of Contents - Heathkit HD-3030 User Manual
Heathkit rtty terminal
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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Table of Contents
Table Of Contents
4
Introduction
5
Unpacking
6
Assembly Notes
7
Tools
7
Soldering
8
Parts
9
Capacitors
9
Resistors
9
Special Assembly Notes
10
Display Circuit Board
11
Parts List
11
Step-By-Step Assembly
12
A Good Solder Connection
14
Poor Solder Connections
14
Solder Bridges
14
Circuit Board Checkout
16
Rtty Demodulator Circuit Board
17
Cw Demodulator Circuit Board
23
Active Filter Circuit Board
27
Afsk Circuit Board
35
Main Circuit Board
40
Chassis
50
Initial Tests
57
Voltage Tests
58
Alignment
59
Rtty Filter Alignment
60
Cw Demodulator Alignment
61
Rda Threshold Adjustment
62
Installation
63
Main Circuit Board Modification
63
Current Loop Operation
64
Cable Preparation
65
Receiver Connections
66
Transmitter Connections
66
Interface Connections
66
Final Assembly
69
Operation
70
General
70
Receiving Rtty
71
Receiving Cw
72
Sending Rtty
72
Sending Cw
73
In Case Of Difficulty
74
Visual Tests
74
Troubleshooting Chart
75
Voltage Chart
76
Specifications
78
Circuit Description
81
Other Circuits
82
Mark Led
82
Space Led
82
Rda
82
Active Filters
83
Audio Frequency Shift Keyer
83
Rtty Demodulator
84
Cw Demodulator
84
Transmit Circuits
85
Semiconductor Identification Charts
86
Replacement Parts
95
Repair Service
95
Technical Consultation
95
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