User Manuals: Heathkit HW-9 QRP Transceiver

Manuals and User Guides for Heathkit HW-9 QRP Transceiver. We have 1 Heathkit HW-9 QRP Transceiver manual available for free PDF download: User Manual

Heathkit HW-9 User Manual

Heathkit HW-9 User Manual (147 pages)

DELUXE QRP CW TRANSCEIVER

Brand: Heathkit | Category: Transceiver | Size: 41 MB

Table of Contents

Table of Contents
2
Introduction
3
Unpacking
4
- Tools
  5
- Other Helpful Tools
  5
Assembly Notes
5
- Soldering
  6
- Parts
  7
- Capacitors
  7
- Special Assembly Notes
  8
- Resistors
  9
- Parts List
  9
- Taped Components
  9
- Oscillator Circuit Board
  9
- Step-By-Step Assembly
  13
- A Good Solder Connection
  15
- Poor Solder Connections
  15
- Solder Bridges
  15
Oscillator Circuit Board
26
- Parts List
  27
- T/R Circuit Board
  27
- Step-By-Step Assembly
  31
Chassis
49
- Parts List
  49
  - Initial Tests
    73
  - Resistance Tests
    73
  - Alignment
    77
  - Initial Control Settings
    77
  - HFO Alignment
    78
  - VFO Alignment
    79
  - BFO Alignment
    79
  - Transmit Return Adjustment
    79
  - Mixer Filter Alignment
    80
  - T/R Board Adjustments
    81
  - Receive if Alignment
    81
  - Transmit Bandpass Alignment
    81
  - AGC Adjustment
    81
  - BFO Filter Adjustment
    83
  - HFO Level Adjustment
    83
  - Final Assembly
    85
  - Installation and Operation
    86
  - Ground
    86
  - Antenna
    86
  - Mute Delay
    86
  - DC Power
    87
  - Speaker
    87
  - Front Panel Controls
    88
  - Headphone
    88
  - Key
    88
  - AF Gain/Off
    88
  - In Case of Difficulty
    89
  - Visual Checks
    89
  - Precautions for Troubleshooting
    90
  - Checking Transistors and Diodes
    90
  - Silicon Bipolar Transistors
    90
  - Mosfets
    90
  - Troubleshooting Chart
    91
  - Diodes
    91
  - RIT Problem
    91
  - Sidetone Problems
    91
  - General Receiver Problems
    92
  - General Transmitter Problems
    92
  - Transmit and Receive Problems
    92
  - HFO Problem
    93
  - VFO Problems
    93
  - Mixer Filter Problems
    94
Specifications
95
- Receiver
  96
- Transmitter
  97
- Circuit Description
  98
- Receiver Signal Flow
  98
- Transmitter Signal Flow
  98
- Vfo
  99
- 1St Mixer
  99
- Premix Filters
  99
- Rit
  99
- 2Nd Mixer
  100
- Side Tone
  101
- Receiver Muting
  101
- Keying Circuit
  101
- Audio Circuits
  101
- Semiconductor Identification Charts
  102
- Transistors
  103
Circuit
103
- Integrated Circuits
  104
- Illustration Booklet
  106
- T/R Circuit
  112
Board X-Ray Views
142
Circuit
142
Schematics
144

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