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Teac C-3RX - Service Manual

Teac C-3RX
44 pages
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TEAC.
SERVICE
MANUAL
—C-3RX
Stereo
Cassette
Deck
|
Effective:
June,
1981
B10049
,
5704010000
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Summary

1 Specifications and Service Data

Notes and Important Information

Contains operational notes, specifications references, and safety precautions.

Detailed Technical Specifications

Comprehensive technical specifications for the TEAC C-3RX Stereo Cassette Deck.

Service Performance Parameters

Key mechanical and electrical performance data for maintenance and calibration.

2 Parts Location

Internal Component Layout

Diagrams showing the placement of internal electronic components and assemblies.

Mechanical Assembly Overview

Visual guide to the location of mechanical parts like motors, heads, and rollers.

3 Removal of External Components

External Component Disassembly

Step-by-step instructions for disassembling external parts of the cassette deck.

Unit Dimensions and Physical Overview

Provides physical dimensions and a visual representation of the unit's external layout.

4 Mechanical Adjustments and Checks

Reel Torque and Pinch Roller Adjustments

Procedures for checking and adjusting reel torque and pinch roller pressure.

Head Base Plate and Capstan Thrust

Steps to position the head base plate and adjust capstan assembly thrust.

Tape Speed and Wow;Flutter Calibration

Methods for calibrating tape speed and measuring wow and flutter.

Microswitch Clearance Adjustments

Procedure for adjusting the clearance of microswitch A.

Microswitch B, Lubrication, and Voltage Settings

Adjusting microswitch B, lubrication, voltage selection, and frequency settings.

5 Electrical Adjustments and Checks

Electrical Adjustment Precautions and Setups

Important preliminary steps and test equipment connection diagrams.

Playback Performance Verification

Procedures for checking and verifying playback performance parameters.

Monitor and Recording Performance Checks

Tests for monitoring input levels, peak meter, and recording performance.

Recording Performance Calibration and DBX Setup

Adjustments for record level, frequency response, and DBX system setup.

DBX Operation and Performance Testing

Procedures for DBX encoder/decoder operation, channel separation, and noise ratio.

DBX PCB Adjustment and Test Points

Detailed instructions for DBX PCB adjustments and identification of test points.

6 Exploded Views and Parts List

Exploded Views of Components

Diagrams showing the breakdown of mechanical and electronic assemblies.

Detailed Parts Lists

Comprehensive lists of part numbers for all exploded views and accessories.

7 PC Boards and Parts List

PC Board Layouts and Component Identification

Diagrams showing component placement on various PC boards.

PC Board Component Lists

Detailed lists of components for specific PC boards.

Schematic Diagram (DBX Unit)

DBX Encoder and Decoder Circuit Schematics

Detailed circuit diagrams for the DBX encoder and decoder sections.

DBX PCB Component Details

List of components used on the DBX printed circuit board.

Table of Semiconductors

Semiconductor Identification and Pinouts

Reference guide for identifying semiconductors and their pin configurations.

Assembly Hardware Coding List

Screw and Fastener Coding

List of codes for different types of screws, washers, and nuts used in assembly.

Schematic Diagram (Amplifier)

Amplifier Circuitry Overview

Overall schematic showing amplifier, Dolby NR, and DBX circuit interconnections.

Amplifier Performance and Control Signals

Schematics detailing signal paths, controls, and performance circuits.

Summary

1 Specifications and Service Data

Notes and Important Information

Contains operational notes, specifications references, and safety precautions.

Detailed Technical Specifications

Comprehensive technical specifications for the TEAC C-3RX Stereo Cassette Deck.

Service Performance Parameters

Key mechanical and electrical performance data for maintenance and calibration.

2 Parts Location

Internal Component Layout

Diagrams showing the placement of internal electronic components and assemblies.

Mechanical Assembly Overview

Visual guide to the location of mechanical parts like motors, heads, and rollers.

3 Removal of External Components

External Component Disassembly

Step-by-step instructions for disassembling external parts of the cassette deck.

Unit Dimensions and Physical Overview

Provides physical dimensions and a visual representation of the unit's external layout.

4 Mechanical Adjustments and Checks

Reel Torque and Pinch Roller Adjustments

Procedures for checking and adjusting reel torque and pinch roller pressure.

Head Base Plate and Capstan Thrust

Steps to position the head base plate and adjust capstan assembly thrust.

Tape Speed and Wow;Flutter Calibration

Methods for calibrating tape speed and measuring wow and flutter.

Microswitch Clearance Adjustments

Procedure for adjusting the clearance of microswitch A.

Microswitch B, Lubrication, and Voltage Settings

Adjusting microswitch B, lubrication, voltage selection, and frequency settings.

5 Electrical Adjustments and Checks

Electrical Adjustment Precautions and Setups

Important preliminary steps and test equipment connection diagrams.

Playback Performance Verification

Procedures for checking and verifying playback performance parameters.

Monitor and Recording Performance Checks

Tests for monitoring input levels, peak meter, and recording performance.

Recording Performance Calibration and DBX Setup

Adjustments for record level, frequency response, and DBX system setup.

DBX Operation and Performance Testing

Procedures for DBX encoder/decoder operation, channel separation, and noise ratio.

DBX PCB Adjustment and Test Points

Detailed instructions for DBX PCB adjustments and identification of test points.

6 Exploded Views and Parts List

Exploded Views of Components

Diagrams showing the breakdown of mechanical and electronic assemblies.

Detailed Parts Lists

Comprehensive lists of part numbers for all exploded views and accessories.

7 PC Boards and Parts List

PC Board Layouts and Component Identification

Diagrams showing component placement on various PC boards.

PC Board Component Lists

Detailed lists of components for specific PC boards.

Schematic Diagram (DBX Unit)

DBX Encoder and Decoder Circuit Schematics

Detailed circuit diagrams for the DBX encoder and decoder sections.

DBX PCB Component Details

List of components used on the DBX printed circuit board.

Table of Semiconductors

Semiconductor Identification and Pinouts

Reference guide for identifying semiconductors and their pin configurations.

Assembly Hardware Coding List

Screw and Fastener Coding

List of codes for different types of screws, washers, and nuts used in assembly.

Schematic Diagram (Amplifier)

Amplifier Circuitry Overview

Overall schematic showing amplifier, Dolby NR, and DBX circuit interconnections.

Amplifier Performance and Control Signals

Schematics detailing signal paths, controls, and performance circuits.

Teac C-3RX Specifications

General IconGeneral
BrandTeac
ModelC-3RX
CategoryOther
LanguageEnglish