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Kenwood TS-950SD Service Manual

Kenwood TS-950SD
228 pages
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Table of Contents

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Kenwood TS-950SD Specifications

General IconGeneral
TypeHF Transceiver
Supply Voltage13.8 VDC
ModesAM, FM
Receiver Sensitivity (SSB/CW)0.2 µV
Receiver Sensitivity (FM)0.5 µV
Selectivity (CW)500 Hz (-6 dB)
Selectivity (AM)6 kHz (-6 dB)
Selectivity (FM)15 kHz (-6 dB)
Image Rejection70 dB

Summary

Circuit Description

Frequency Configuration

Details the frequency configuration for SSB, CW, and FM modes, and explains dual conversion.

PLL Circuit

Explains the PLL circuit, which generates local oscillator signals for frequency synthesis.

Transmitter Circuit Configuration

Explains the transmitter system configuration and signal paths.

Description of Components

Switch Unit (A) (X41-3080-00)

Lists components and their functions for the Switch Unit (A).

RF Unit (X44-3100-00)

Lists components and their functions for the RF Unit.

Digital Unit (X46-3050-XX)

Lists components and functions for the Digital Unit.

Parts List

Precautions About Parts List

Provides precautions and notes regarding the parts list.

Switch Unit (A) (X41-3080-00)

Lists parts for the Switch Unit (A).

Disassembly

TS-950S (1/6)

Illustrates the disassembly steps for the TS-950S, part 1 of 6.

TS-950S (2/6)

Continues disassembly illustration for the TS-950S, part 2 of 6.

Adjustment

Required Test Equipment

Lists required test equipment for adjustments, including multimeters and oscilloscopes.

Receiver Section Adjustment

Details adjustment procedures for various receiver sections.

Terminal Function

Switch Unit (A) (X41-3080-00)

Defines terminal functions for Switch Unit (A).

AVR Unit (X43-3070-01)

Defines terminal functions for the AVR Unit.

Level Diagram

Receiver Section

Details the level diagram for the receiver section.

Transmitter Section

Illustrates the level diagram for the transmitter section.

PC Board Views - TS-950S/SD

Switch Unit (A) (X41-3080-00) Component side view

Shows the component side view of Switch Unit (A).

RF Unit (X44-3100-00) Component side view

Shows the component side view of the RF Unit.

Schematic Diagram

Fig. 44 MIC Input High-Pass Filter

Schematic diagram of the MIC input high-pass filter.

Fig. 45 Limiting Amplifier

Schematic diagram of the limiting amplifier circuit.

Specifications

TS-950S/SD Specifications

Provides the detailed specifications for the TS-950S/SD transceiver.

Notes

Contains important notes regarding specifications and changes.

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