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TANDBERG 64 Service Manual

TANDBERG 64
54 pages
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Table of Contents

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TANDBERG 64 Specifications

General IconGeneral
BrandTANDBERG
Model64
CategoryVCR
LanguageEnglish

Summary

Preface

Technical Specifications

Control Functions

Power and Tape Motion Controls

Includes power switch, tape counter, speed selector, operating lever, and start-stop button.

Recording and Playback Controls

Covers record/playback push-buttons, gain controls, level indicators, and volume controls.

Input and Mode Selection

Details microphone inputs and the sound-on-sound switch.

Maintenance Access and Auto-Stop

Covers trim covers for access and the automatic end stop function.

Input and Output Terminals

Model 64/62 Without FM-Multiplex Filter

Description of input/output jacks and remote control connector.

Model 64/62 With FM-Multiplex Filters

Description of input/output jacks for FM-Multiplex models.

Mechanical Description and Adjustments

Operating Lever

Details the operating lever's function and adjustments.

Eccentric Segment and Trip Bar

Explains the function of the eccentric segment and trip bar.

Pressure Wheel Assembly

Guides the pressure wheel for tape motion.

Tape Brake Adjustments

Adjusts the tape brake for proper disengagement.

Muting Switch and Trip Bar

Covers muting switch connection and trip bar function.

Turntable Assemblies

Details the supply and take-up turntable assemblies.

Turntable Alignments

Procedures for horizontal and vertical turntable alignment.

Clutch Alignments

Covers general clutch operation and adjustments.

Motor Pulley and Drive Belt

Details the motor pulley, its tracks, and drive belt threading.

Speed Transfer Wheel

Description of the speed transfer wheel mechanism.

Lifting Mechanism and Flywheel Brake

Covers lifting mechanism and flywheel brake adjustments.

Speed Change and Start-Stop Features

Details speed change mechanism and momentary start-stop.

Pressure Pad and End Stop Switch

Covers pressure pad function and automatic end stop switch.

Revolution Counter and Top Cover

Details revolution counter and top cover assembly.

Electronic Circuits and Adjustments

Main Electronic Units Block Diagram

Block diagram of the tape recorder's electronic units.

Record Pre-Amplifier

Description and schematic of the record pre-amplifier.

FM-Multiplex Filter

Details the FM-multiplex filter circuit.

Record Amplifier

Description and schematic of the record amplifier.

Playback Pre-Amplifier

Description and schematic of the playback pre-amplifier.

Cathode Follower and Level Indicator

Details the cathode follower and record level indicator circuits.

Oscillator, Bias, and Erase Circuits

Description of oscillator, bias, and erase circuits.

Momentary Start-Stop Circuit

Schematic of the momentary start-stop circuit.

Power Supply

Schematic and description of the power supply.

Switching System Block Diagram

Block diagram of the tape recorder's switching system.

Recording Modes and Techniques

Covers monaural, stereo, mixing, and track adding.

Playback Modes

Procedures for monaural and stereo playback.

Sound-on-Sound and Echo Effects

Techniques for adding sound and creating echo effects.

Head Alignment Procedures

Methods for head alignment with and without test tapes.

Track Control Procedures

Track control for Model 64 and Model 62.

Electrical Adjustments

Details adjustments for coils, bias, recording current, and filters.

Amplifier and Response Tests

Tests for playback/record amplifiers and overall response.

Model Modification and Tube Introduction

Details Model 64 to 62 modification and ECC81 tube intro.

Parts List

Mechanical Parts

List of mechanical components with reference numbers.

Electrical Parts

List of resistors, screws, coils, tubes, rectifiers, and fuses.

Capacitors

List of capacitors with specifications.

Lubricating

Papst Motor Lubrication

Lubrication instructions for the Papst motor.

Engel Motor Lubrication

Lubrication instructions for the Engel motor.

Self-Lubricating Bearings

Lubrication advice for self-lubricating bearings.

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