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SB-110 A
Heathkit SB-110 A Manuals
Manuals and User Guides for Heathkit SB-110 A. We have
1
Heathkit SB-110 A manual available for free PDF download: Assembly Manual
Heathkit SB-110 A Assembly Manual (180 pages)
6-meter SSB Transceiver
Brand:
Heathkit
| Category:
Transceiver
| Size: 12 MB
Table of Contents
Table of Contents
3
Introduction
4
Step-By-Step Assembly
5
Circuit Board Parts
5
Parts Pictorial
6
Capacitors
6
Circuit Board Assembly
7
Oscillator Coil Circuit Board
8
Receiver RF Circuit Board
9
Transmitter-Mixer Circuit Board
15
Chassis Parts List
20
Control Functions
83
Front Panel Controls
83
Main Tuning
83
Zero Set Dial
83
MIC/CW Level
84
Driver
84
Mode
84
Oscillator Mode
84
Preliminary Checks
85
Vox
85
Control Settings
85
Head Phone Level
85
Resistance Checks
88
Tube and Crystal Installation
91
Power Supply Connections
92
Initial Test
94
Alignment
95
Receiver Alignment
95
Section G Chassis Adjustments
95
Section H Chassis Adjustments
96
S-Meter Adjustment
96
Transmitter Alignment
97
Carrier Null Adjustments
99
Crystal Calibrator Alignment
99
LMO Shifter Adjustment
100
Dial Calibration
100
Special Crystal Considerations
101
Crystal Control for Mars or Net Operation
101
Cabinet Installation
103
Microphone Connection
104
Identification Label
104
Fixed Station Installation
105
Linear Amplifier Considerations
106
Mobile Installation
108
Noise Suppression
108
Noise Suppression Troubleshooting Chart
110
Operation
111
Reading the Meter
111
Receiver Section
111
Transmitter Section
112
Initial Tune up
112
CW Operation
113
Single Sideband Operation
114
VOX Adjustments
114
Operation with a Linear Amplifier
115
Mobile Operation
115
In Case of Difficulty
116
Troubleshooting Chart
117
Resistance Chart
118
Voltage Chart
119
Receiver
120
Specifications
129
Circuit Description
135
Transmitter Circuits
135
Microphone Amplifier and CW Tone Oscillator
136
VOX Amplifier and Relay Amplifier
137
Anti-VOX Circuit
138
Carrier Generator
138
Balanced Modulator
139
Isolation Amplifier
139
Crystal Filter
140
Filter if Amplifier
140
Lmo/Xtal Oscillator
140
First Transmitter Mixer
141
Heterodyne Crystal Oscillator and Amplifier
142
Second Transmitter Mixer
142
Final Amplifiers
144
Automatic Level Control
144
Receiver Circuits
146
Crystal Calibrator
146
Antenna
146
RF Amplifier
148
First Receiver Mixer
149
Second Receiver Mixer
149
IF Amplifiers
150
Noise Limiter
150
AGC Circuit
150
Product Detector
151
First Audio Preamplifier
152
Second Audio Preamplifier and Audio Output
152
Metering Circuits
153
S-Meter
153
Plate Current
153
Alc
154
Relative Power
154
Schematic Diagram
160
Replacement Parts Price List
161
Typical Component Types
165
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