Heathkit SB-500 Manual

TABLE
OF CONTENTS
INTRODUCTION
The Manual
3
TRANSVERTER
PACKAGING
4
CIRCUIT
BOARD ASSEMBLY
Circuit
Board
Parts
List
5
The
IF
System
7
Step-By-Step Assembly
7
CHASSIS
ASSEMBLY
Chassis Parts
List
14
Step-By-Step Assembly
18
Chassis Parts Mounting
18
Driver
And
Final
Assembly
23
Top
Chassis Assembly
32
Antenna Relay Enclosure
42
Wiring Harness
45
Alternate Line Voltage
Wiring
50
Chassis Component
Wiring
50
Final Chassis Bottom Wiring
54
Top
Chassis Wiring
59
Crystal Calibrator Assembly
62
Front
'Panel
Assembly
66
Auxiliary Equipment
Preparation
70
KNOB AND TUBE
INSTALLATION
78
INITIAL
TESTS
80
EQUIPMENT
MODIFICATION
83
SB-
110
Transceiver
Modifications
84
SB-
101
Transceiver
Modifications
90
HW-100
Transceiver
Modifications
100
Models SB-
301/401 Modifications
106
Mobile Mount
Modifications
110
ALIGNMENT
m
Receiver Alignment.
...']]]..][[]
112
Transmitter Alignment
! ! !
!
!
114
FINAL ASSEMBLY.
11Q
OPERATION
Control Functions
121
General
Information
! ! ! ! !
122
Reading The
Meter.
122
Tune-
Up Procedure
[[
123
IN
CASE OF DIFFICULTY
General
125
Troubleshooting Chart
[
[
126
Receiver
Circuit
Board
Voltage Chart
129
Receiver
Circuit
Board
Resistance Chart
130
Oscillator Circuit Board
Voltage Chart
130
Oscillator Circuit
Board
Resistance Chart
131
SPECIFICATIONS
133
CIRCUIT DESCRIPTION
135
Heterodyne
Oscillator
136
Receiver
Circuits
137
Transmitter
Circuits
138
Power
Supply
142
Switching
143
CIRCUIT
BOARD X-RAY
VIEWS
145
CHASSIS
PHOTOGRAPHS
146
REPLACEMENT
PARTS
PRICE
LIST.
...
149
SCHEMATIC
(fold-out
from
page)
153
2
HKATHKIT
if