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Dyna FM-3 - User Manual

Dyna FM-3
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STEREOMATIC
MULTIPLEX
MODEL
FM-3
This
number
must
be
men-
tioned
in
all communications
concerning
this
equipment.
INSTRUCTIO·
S
FOR
ASSEMEiLV
ALIGNMENT
OPERATION
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Price $1.00
(/-
929116
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3060
JeffersDn
St
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Philadelphia,
Pa.19121
U.S.A
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Summary

Dynaco FM-3 Specifications

General Performance Specifications

Detailed performance metrics for sensitivity, distortion, noise, and frequency response.

Stereophonic Performance Metrics

Specifies performance criteria for stereo reception, including sensitivity and distortion.

Dynaco FM-3 Introduction and Operation

Dynatuner Overview and Design Philosophy

Explains the design philosophy and advantages of the Dynatuner.

Operation of Controls and Indicators

Describes the purpose and use of the tuning knob, stereo indicator, and tuning eye.

Installation, Mounting, and Technical Description

Installation and Mounting Guidelines

Guides on unit placement, ventilation, and connecting antennas.

Technical Description Overview

Introduces the advanced circuit features and design choices of the FM-3.

Detailed Circuit Descriptions

Circuit Sections Explained

Details the RF stage, IF amplifiers, discriminator, multiplex integrator, and audio sections.

General Wiring Practices

Soldering Techniques and Best Practices

Detailed instructions on proper soldering techniques and wiring best practices.

Assembly of Circuit Boards

RF Circuit Board (PC-7) Assembly

Step-by-step guide for assembling the RF circuit board, including component placement.

IF Circuit Board (PC-8) Assembly

Instructions for assembling the IF circuit board and its components.

Multiplex Board (PC-12) Assembly

Guide for assembling the multiplex circuit board and its electronic components.

Chassis and Front Panel Assembly

Chassis Component Installation

Mounting major chassis components like transformers, sockets, and capacitors.

Front Panel Wiring Connections

Connecting wires to front panel controls like the tuning eye and volume control.

Dynatuner Alignment Procedure

Initial Alignment Settings

Preliminary adjustments to the mixer and RF stages for basic tuning.

IF Stage Alignment Procedure

Step-by-step process for tuning IF transformers for optimal signal reception.

Discriminator Alignment Steps

Critical adjustments for the discriminator to ensure low distortion and noise rejection.

Front End Alignment Process

Fine-tuning the tuning capacitor and oscillator coils for accurate dial tracking.

Multiplex Integrator Alignment

Adjusting multiplex transformers for proper stereo separation.

Troubleshooting and Service Information

Troubleshooting Common Issues

Systematic approach to diagnosing and fixing problems encountered during operation.

Factory Service and Warranty Details

Details on warranty coverage, service fees, and return procedures.

Antenna Setup

Indoor Folded Dipole Antenna Guide

Instructions for building and positioning an indoor folded dipole antenna.

Voltage Check Points

Tube Voltage Readings and Interpretation

Table of expected DC and AC voltage readings for each tube under various conditions.

Dyna FM-3 Specifications

General IconGeneral
BrandDyna
ModelFM-3
CategoryTuner
LanguageEnglish