Yaesu FT-50R User Manual

YAESU
FT-SOR
Technical Supple111ent
YAESU MUSEN CO., LTD.
1-20-2 Shimomaruko, Ota-Ku, Tokyo 146-8649, Japan
YAESU U.S.A.
17210 Edwards Rd., Cerritos, CA 90703, U.S.A.
YAESU EUROPE 8.V.
P.O. Box 75525 1118 ZN, Schiphol, The Netherlands
YAESU UK LTD.
Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, S023 OLB, U.K.
YAESU GERMANY GmbH
Am Kronberger Hang 2, D-65824 Schwalbach, Germany
YAESU HK LTD.
11th Floor Tsim Sha Tsui Centre, 66 Mody Rd .,
Tsim
Sha Tsui East, Kowloon, Hong Kong
for free by
Rad i oAmateur. eu

Yaesu FT-50R Specifications

General

Frequency Range (TX)	144-148 MHz, 430-450 MHz
Modulation	FM
Power Requirement	7.2 VDC
Antenna Impedance	50 ohms
Type	Handheld
Power Output (VHF)	5W
Power Output (UHF)	5W
Features	CTCSS/DCS
Receiver Sensitivity	0.16 μV (12 dB SINAD)

Summary

Specifications

General Specifications

Electrical and physical characteristics of the transceiver.

Receiver Specifications

Details on receiver sensitivity, selectivity, and IF stages.

Transmitter Specifications

Power output, frequency stability, and modulation details.

Chip Component Information

Component Handling Procedures

Alignment

Introduction and Test Equipment

Preparation and Test Setup

Deviation and Transformer Alignment

Steps for adjusting frequency deviation and interstage transformers.

Internal System Alignment

Procedures for digitally controlled alignment adjustments.

Circuit Description

Receive Path

IF Processing and Squelch

Voice Output and Transmitter

VHF/UHF Transmitter Operation

Block Diagram

System Block Overview

Interconnection Diagram

Unit Interconnections

MOTHER Unit

144-VCO Unit

430-VCO Unit

CNTL Unit

Circuit Diagram

Schematic of the Control Unit (CNTL) circuitry.

Parts Layout

Component placement diagram for the CNTL Unit.

Parts List

List of components for the CNTL Unit.

VR Unit

Circuit Diagram