Circuit and Layout

Heathkit Radio Manuals
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Service Data Manuals Circuits
Manual and Circuit List 

 Manuals Circuit
Layout

Radios For Sale
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Oscilloscope Resistance Box Transmitter Communications Receiver Impedance Bridge
 Digital Multimeter Regulated Power Supply Signal Generator SSB Single Sideband Transceiver
  Valve Voltmeter Transistorised Grid Dip Meter Television Generator Antenna Noise Bridge

Service Data, Service Information, Circuit Diagram, Schematic Diagrams and Manuals

For Repairing, Restoration and Servicing of Vintage and Modern Electronic Equipment

All Manuals will include the Circuit Diagram

Oscilloscope, Resistance Box, Transmitter, Communications Receiver, Impedance Bridge,
 Digital Multimeter,  Regulated Power Supply, Signal Generator,  SSB Single Sideband Transceiver,
Valve Voltmeter, Transistorised Grid Dip Meter, Television Generator Antenna Noise Bridge

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Heathkit Equipment
Manuals

See also Heathkit Amateur Radio Click Here
Manufacture Model / Type

Circuits & Manuals inc Circuit
World Wide

Purchase
Options & Prices

Heathkit
RF Probe Kit
Manual
Service Sheet
Data & Circuit
As Available

#309-B
#309B
309-B
309B

Circuit Only

Heathkit
RF Probe
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 309-CU
309CU

Circuit Only

Heathkit
High Voltage Probe
1.5 Volts & 3 Volts
Manual
Service Sheet
Data & Circuit
As Available		 #336 
336
4 Pages

Small Manual

Heathkit
Demodulator Probe
Manual
Service Sheet
Data & Circuit
As Available		 #337-B
#337B
337-B
337B

Circuit Only

Heathkit
Peak to Peak
Voltage Probe
Manual
Service Sheet
Data & Circuit
As Available		 #338-B
#338B
338-B
338B

Circuit Only

Heathkit
Low Capacity
Probe Kit
Manual
Service Sheet
Data & Circuit
As Available		 #342
342 
4 Pages

Small Manual

Heathkit
Audio Amp
Amplifier
Manual
Service Sheet
Data & Circuit
As Available		 A-7B
A7B
A-7C
A7C

Circuit Only

Heathkit
Audio Amp
Amplifier
Manual
Service Sheet
Data & Circuit
As Available		 A-9
A9

Circuit Only

Heathkit
Antenna Coupler
ATU
Manual
Service Sheet
Data & Circuit
As Available		 AC-1
AC1
AC-I
ACI

Circuit Only

Heathkit
Audio
Frequency Meter
Manual
Service Sheet
Data & Circuit
As Available		 AF-1
AF1
AF-I
AFI

Circuit Only

Heathkit
Audio Generator
Manual
Service Sheet
Data & Circuit
As Available		 A-G8
AG8

Circuit Only

Heathkit
Sign and Square Wave Generator
Manual
Service Sheet
Data & Circuit
As Available		 AG-10
AG10
AG-I0
AGI0
44 Pages 

Full Construction &
Service Manual
including Circuit

Heathkit
Antenna
Impedence Meter
Manual
Service Sheet
Data & Circuit
As Available		 AM-1
AM1
AM-I
AMI
12 Pages

Part Manual

Heathkit
Audio Oscillator
Generator
Manual
Service Sheet
Data & Circuit
As Available		 AO-1
AO1
AO-I
AOI

Circuit Only

Heathkit
Communications
Receiver
Manual
Service Sheet
Data & Circuit
As Available		 AR-2
AR2

Circuit Only

Heathkit
Stereo AM FM
Receiver
Manual
Service Sheet
Data & Circuit
As Available		 AR-1214
AR1214
128 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Transmitter
TX
Manual
Service Sheet
Data & Circuit
As Available		 AT-1
AT1
AT-I
ATI

Circuit Only

Heathkit
AC Voltmeter
Manual
Service Sheet
Data & Circuit
As Available		 AV-1
AV1
AV-I
AVI
16 Pages 

Full Construction &
Service Manual
including Circuit

Heathkit
AC Voltmeter
Manual
Service Sheet
Data & Circuit
As Available		 AV-2
AV2

Circuit Only

Heathkit
Audio Watt Meter
Manual
Service Sheet
Data & Circuit
As Available		 AW-1
AW1
AW-I
AWI

Circuit Only

Heathkit
Battery Eliminator
Manual
Service Sheet
Data & Circuit
As Available		 BE-4
BE4

Circuit Only

Heathkit
Bar Generator
Manual
Service Sheet
Data & Circuit
As Available		 BG-1
BG1
BG-I
BGI

Circuit Only

Heathkit
Broadcast Receiver
Manual
Service Sheet
Data & Circuit
As Available		 BR-2
BR2

Circuit Only

Heathkit
Battery Tester
Manual
Service Sheet
Data & Circuit
As Available		 BT-1
BT1
BT-I
BTI
4 Pages

Small Manual

Heathkit
Capacitor Checker
Manual
Service Sheet
Data & Circuit
As Available		 C-3
C3
20 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Condenser
Substitution Box
Manual
Service Sheet
Data & Circuit
As Available		 CS-1
CS1
CS-I
CSI
8 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Capacitor Tester
Manual
Service Sheet
Data & Circuit
As Available		 CT-1
CT1
CT-I
CTI
24 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Decade
Resistance Box
Manual
Service Sheet
Data & Circuit
As Available		 DR-1U
DR1U
DR-IU
DRIU
16 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Transmitter
AM CW
Manual
Service Sheet
Data & Circuit
As Available		 DX20
DX-20
43 Pages*

Full Construction &
Service Manual
including Circuit

Heathkit
Transmitter
AM CW
Manual
Service Sheet
Data & Circuit
As Available		 DX40
DX-40
20 Pages

Circuit Block Diagram
& Notes

Heathkit
Transmitter
AM CW
Manual
Service Sheet
Data & Circuit
As Available		 DX60
DX-60

Circuit Only

Heathkit
Transmitter
AM CW
Manual
Service Sheet
Data & Circuit
As Available		 DX100
DX-100
67 Pages
*

Full Construction &
Service Manual
including Circuit

Heathkit
Grid Dip Meter
GDO
Manual
Service Sheet
Data & Circuit
As Available		 GD-1B
GD1B
GD-IB
GDIB

Circuit Only

Heathkit
The Informer
Ultrasonic
Intrusion Alarm
Manual
Service Sheet
Data & Circuit
As Available		 GD-39
GD39
59 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Mohican
Communications Receiver
Manual
Service Sheet
Data & Circuit
As Available		 GC-1U
GC1U
GC-IU
GCIU
Mohican
70 Pages
*

Full Construction &
Service Manual
including Circuit

Heathkit
Mohican
Communications Receiver
Manual
Service Sheet
Data & Circuit
As Available		 GC-1U Mk 2
GC1U Mk II
GC-IU Mk 11
GCIU Mark Two
Mohican
67 Pages
*

Full Construction &
Service Manual
including Circuit

Heathkit
Delux Shortwave
Receiver
Manual
Service Sheet
Data & Circuit
As Available		 GR-54 
GR54
26 Pages

Part Manual
including Circuit

Heathkit
Delux Shortwave
Receiver
Manual
Service Sheet
Data & Circuit
As Available		 GR-64
GR64
22 Pages

Part Manual
including Circuit

Heathkit
Linear Amplifier
Manual
Service Sheet
Data & Circuit
As Available		 HA-10
HA10
HA-I0
HAI0
1 Pages

Circuit Only

Heathkit
Morse Code
Oscillator
Manual
Service Sheet
Data & Circuit
As Available		 HD-16
HD16
25 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Solid State
Dip Meter
Manual
Service Sheet
Data & Circuit
As Available		 HD-1250
HD1250
HD-I250
HDI250
73 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Antenna 
Noise Bridge
Manual
Service Sheet
Data & Circuit
As Available		 HD-1422
HD1422
HD-I422
HDI422
Antenna 
Noise Bridge
52 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Television
Generator
Manual
Service Sheet
Data & Circuit
As Available		 HFW-1
HFW1
HFW-I
HFWI
52 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Reflected
Power Meter
and SWR Bridge
Manual
Service Sheet
Data & Circuit
As Available		 HM-15
HM15
HM-I5
HMI5
16 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
RF
Power Meter
Manual
Service Sheet
Data & Circuit
As Available		 HM-102
HM102
HM-I02
HMI02
1 Pages

Circuit Only

Heathkit
HF Dual Wattmeter
Manual
Service Sheet
Data & Circuit
As Available		 HM-2140
HM2140
61 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Cantenna
Dummy RF Load
Manual
Service Sheet
Data & Circuit
As Available		 HN-31
HN31
HN-3I
HN3I
18 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Transistorised
DC Power Supply
Manual
Service Sheet
Data & Circuit
As Available		 HP-13B
HP13B
HP-I3B
HPI3B
Transistorized
DC Power Supply
42 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Single Sideband
Transmitter & Receiver 
Power Supply
Manual
Service Sheet
Data & Circuit
As Available		 HP-20
HP20
12 Pages
*

Condensed Assembly
& Operation Manual 
including Circuit

Heathkit
AC Power Supply
Manual
Service Sheet
Data & Circuit
As Available		 HP-23A
HP23A
AC Power Supply
1 Pages

Circuit

Heathkit
Single Sideband
Mobile Receiver
Manual
Service Sheet
Data & Circuit
As Available		 HR-20
HR20
77 Pages
*

Full Construction &
Service Manual 
Alignment
& Layouts
including Circuit

Heathkit
Single Sideband
Transceiver
Manual
Service Sheet
Data & Circuit
As Available		 HW-12A
HW12A
HW-I2A
HWI2A
97 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Single Sideband
Transceiver
Manual
Service Sheet
Data & Circuit
As Available		 HW-100
HW100
HW-I00
HWI00

Circuit Only

Heathkit
Single Sideband
Mobile Transmitter
Manual
Service Sheet
Data & Circuit
As Available		 HX-20
HX20
42 Pages
*

Condensed Assembly
Operation Manual 
& Alignment
No Layouts
including Circuit

Heathkit
Impedance
Bridge
Manual
Service Sheet
Data & Circuit
As Available		 IB-28
IB28
1B-28
1B28
43 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Impedence Bridge
Manual
Service Sheet
Data & Circuit
As Available		 IB-2 1B2
IB2 1B2
IB-2 IB2
IB2 IB2

Circuit Only

Heathkit
Impedence Bridge
Manual
Service Sheet
Data & Circuit
As Available		 IG-82U
IG82U
1G-82U
1G82U
58 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Intermodulation
Analyzer
Manual
Service Sheet
Data & Circuit
As Available		 IM-1
IM1
IM-I
IMI

Circuit Only

Heathkit
Vacuum Tube
Valve Voltmeter
Manual
Service Sheet
Data & Circuit
As Available		 IM-13
IM13
IM-I3
IMI3

IM-13 U
IM13U
IM-I3 U
IMI3U
18 Pages

Part Manual
including Circuit

 Will also cover
European versions
with 230 volt
mains transformer.

Heathkit
Digital
Multimeter
Manual
Service Sheet
Data & Circuit
As Available		 IM-1212
IM1212
79 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Vacuum Tube
Voltmeter
Valve Volt Meter
Manual
Service Sheet
Data & Circuit
As Available		 IM-5218
IM5218
50 Pages

Full Construction &
Service Manual
including Circuit

Heathkit Laboratory
General Purpose
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 IO-12U
10-12U
IO-I2U
10-I2U

Including Extra Circuit
For the IO-12 Version
65 Pages

Full Construction &
Service Manual
including Circuits
for the IO-12U and IO-12

Heathkit
General Purpose
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 IO-18
10-18
IO-I8
10-I8

Circuit Only

Heathkit 5 MHz
Oscilloscope

Also Bell & Howell

Manual
Service Sheet
Data & Circuit
As Available 		IO-4540
10-4540
IO4540
104540

This manual also covers : -
Bell & Howell Schools
Model 10D-4540

173 Pages

Full Construction &
Service Manual
including Circuits

Heathkit
1 - 15 Volts DC
Regulated Power Supply
Manual
Service Sheet
Data & Circuit
As Available		 IP-18
IP18
IP-I8
IPI8
42 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
.5 - 50 Volts DC
1.5 Amps Max
Regulated
Low Voltage
Power Supply
Manual
Service Sheet
Data & Circuit
As Available		 IP-27
IP27
1P-27
1P27
36 Pages

Part Manual
including Circuit

Heathkit
Isolation
Transformer
Manual
Service Sheet
Data & Circuit
As Available		 IT-1
IT1
IT-I
ITI

Circuit Only

Heathkit
Handitester
Handy Tester
Manual
Service Sheet
Data & Circuit
As Available		 M-1
M1
M-I
MI

Circuit Only

Heathkit
Multimeter
Manual
Service Sheet
Data & Circuit
As Available		 MM-1
MM1
MM-I
MMI

Circuit Only

Heathkit
Multi Meter
Manual
Service Sheet
Data & Circuit
As Available		 MM-1U
MM1U
MM-IU
MMIU
33 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 O-9
O9

Circuit Only

Heathkit
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 O-12-U
O-12U
O12U
53 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 OS-1
OS1
OS-I
OSI
40 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Service
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 OS-2
OS2
48 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
RF Probe
Manual
Service Sheet
Data & Circuit
As Available		 PK-3A
PK3A
10 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Q Multiplier
Manual
Service Sheet
Data & Circuit
As Available		 QF-1
QF1
7 Pages

Part Manual including Operation
Connecting to a Receiver 
Alignment & Basic Layout
Circuit with Component Values 

Heathkit
Q-Meter
Q Meter
Manual
Service Sheet
Data & Circuit
As Available		 QM-1
QM1
QM-I
QMI

Circuit Only

Heathkit
Signal Generator
Manual
Service Sheet
Data & Circuit
As Available		 RF-1U
RF1U
RF-IU
RFIU
37 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Record Player
Manual
Service Sheet
Data & Circuit
As Available		 RP-1
RP1
RP-I
RPI

Circuit Only

Heathkit
Electronic Switch
Manual
Service Sheet
Data & Circuit
As Available		 S-2
S2

Circuit Only

Heathkit
Single Sideband
Adapter
Manual
Service Sheet
Data & Circuit
As Available		 SB-10
SB10
SB-I0
SBI0
31 Pages

Part Manual
including Circuit

Heathkit
Single Sideband
Transceiver
Manual
Service Sheet
Data & Circuit
As Available		 SB-104
SB104
SB-I04
SBI04
164 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Single Sideband
Transmitter
Manual
Service Sheet
Data & Circuit
As Available		 SB-400
SB400
145 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Monitor
Station Scope
Oscilloscope
Manual
Service Sheet
Data & Circuit
As Available		 SB-610
SB610
74 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Signal Generator
Manual
Service Sheet
Data & Circuit
As Available		 SG-8
SG8
32 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Signal Generator
Manual
Service Sheet
Data & Circuit
As Available		 SG-B
SGB

Circuit Only

Heathkit
Square Wave
Generator
Manual
Service Sheet
Data & Circuit
As Available		 SQ-1
SQ1
SQ-I
SQI

Circuit Only

Heathkit
Tube Checker
Valve Tester
Manual
Service Sheet
Data & Circuit
As Available		 TC-2
TC2
22 Pages

Data and Chart
including Circuit
No Layouts

Heathkit
Tube Checker
Valve Tester
Manual
Service Sheet
Data & Circuit
As Available		 TC-3
TC3
56 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Transmitter
Manual
Service Sheet
Data & Circuit
As Available		 TX-1 TX1
Apache
109 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Visual Aural
Signal Tracer
Manual
Service Sheet
Data & Circuit
As Available		 T-3
T3

Circuit Only

Heathkit
VTVM
Manual
Service Sheet
Data & Circuit
As Available		 V-6
V6

Circuit Only

Heathkit
Valve Voltmeter
Manual
Service Sheet
Data & Circuit
As Available		 V-7A/UK
V7A/UK
39 Pages Full Manual

Full Construction &
Service Manual
including Circuit

Heathkit
Voltage Calibrator
Manual
Service Sheet
Data & Circuit
As Available		 VC-2
VC2

Circuit Only

Heathkit
Vibrator Tester
Manual
Service Sheet
Data & Circuit
As Available		 VT-1
VT1
VT-I
VTI

Circuit Only

Heathkit
Williamson Type
Amplifier
Manual
Service Sheet
Data & Circuit
As Available		 W-2
W2

Circuit Only

Heathkit
Williamson Type 25 Watt
High Fidelity Amplifier
Manual
Service Sheet
Data & Circuit
As Available		 W-5M
W5M

Circuit Only

Heathkit
Pre Amplifier
Manual
Service Sheet
Data & Circuit
As Available		 WA-P1
WAP1
WA-PI
WAPI

Circuit Only

Heathkit
Mohican
Communications
Receiver
Manual
Service Sheet
Data & Circuit
As Available		 W-GC-1A
WGC1A
W-GC-IA
WGCIA
10 Pages

Owners Manual
with Circuit

Heathkit
Transistor Intercom
Master
and Remote Station
Manual
Service Sheet
Data & Circuit
As Available		 XI-1U
& XIR-1U
XI-IU
& XIR-IU
43 Pages

Full Construction &
Service Manual
including Circuit

Heathkit
Transistorised
Grid Dip Meter
Manual
Service Sheet
Data & Circuit
As Available		 XGD-1
XGD1
XGD-I
XGDI
29 Pages

Full Construction &
Service Manual
including Circuit

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Revised: February 09, 2021