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General| Brand | DRAKE |
|---|---|
| Model | TR-7 |
| Category | Transceiver |
| Language | English |
Details the structure and intended use of the TR-7 service manual.
Provides a troubleshooting approach for identifying issues with circuit boards.
Explains the general theory of operation for the TR-7 transceiver.
Describes the layout and components of the main parent board and chassis.
Explains the role and operation of the digital control board.
Provides a description of the transmit exciter board circuitry.
Details the function and signal flow of the up-converter board.
Describes the components and function of the power amplifier module.
Explains the operation of the Permeability-Tuned Oscillator (PTO).
Details the adjustment procedure for the 10 Volt supply.
Describes the S-meter adjustments on the 2nd IF/Audio Board.
Outlines the procedure for adjusting fixed passbands.
Provides step-by-step instructions for transmitter alignment.
Information regarding the DR-7 digital readout accessory.
Details and function of the NB-7 noise blanker accessory.
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