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Manuals
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Heathkit Manuals
Transceiver
HW-9
User manual
Heathkit HW-9 User Manual
Deluxe qrp cw transceiver
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Unpacking
Tools
Other Helpful Tools
Assembly Notes
Soldering
Parts
Capacitors
Special Assembly Notes
Resistors
Parts List
Taped Components
Oscillator Circuit Board
Step-By-Step Assembly
A Good Solder Connection
Poor Solder Connections
Solder Bridges
Oscillator Circuit Board
Parts List
T/R Circuit Board
Step-By-Step Assembly
Chassis
Parts List
Initial Tests
Resistance Tests
Alignment
Initial Control Settings
HFO Alignment
VFO Alignment
BFO Alignment
Transmit Return Adjustment
Mixer Filter Alignment
T/R Board Adjustments
Receive if Alignment
Transmit Bandpass Alignment
AGC Adjustment
BFO Filter Adjustment
HFO Level Adjustment
Final Assembly
Installation and Operation
Ground
Antenna
Mute Delay
DC Power
Speaker
Front Panel Controls
Headphone
Key
AF Gain/Off
In Case of Difficulty
Visual Checks
Precautions for Troubleshooting
Checking Transistors and Diodes
Silicon Bipolar Transistors
Mosfets
Troubleshooting Chart
Diodes
RIT Problem
Sidetone Problems
General Receiver Problems
General Transmitter Problems
Transmit and Receive Problems
HFO Problem
VFO Problems
Mixer Filter Problems
Specifications
Receiver
Transmitter
Circuit Description
Receiver Signal Flow
Transmitter Signal Flow
Vfo
1St Mixer
Premix Filters
Rit
2Nd Mixer
Side Tone
Receiver Muting
Keying Circuit
Audio Circuits
Semiconductor Identification Charts
Transistors
Circuit
Integrated Circuits
Illustration Booklet
T/R Circuit
Board X-Ray Views
Circuit
Schematics
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Quick Links
1
Specifications
2
Circuit
3
Circuit
4
Schematics
Download this manual
for
the
DELUXE
QRP
CW
TRANSCEIVER
Model
HW-9
•
**
HEATH
COMPANY
•
BENTON
HARBOR, MICHIGAN
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Table of Contents
Troubleshooting
Precautions for troubleshooting
90
Troubleshooting chart
91
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