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Sony DTC-77ES Service Manual

Sony DTC-77ES
62 pages
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Table of Contents

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Sony DTC-77ES Specifications

Power IconPower
power requirements120 V AC, 60 Hz
power consumption37W
remote control power requirements3V DC
Audio Features IconAudio Features
sampling frequency48 kHz, 44.1 kHz, 32 kHz
frequency response standard2-22, 000 Hz (+0.5 dB)
frequency response long-play mode2-14, 500 Hz (+0.5 dB)
Weight and Dimensions IconWeight and Dimensions
dimensions470x135x350 mm
weight11 kg

Summary

Safety Check-out

Leakage Test Procedure

Procedure for checking AC leakage from exposed metal parts to earth ground.

General Information

Product Features

Detailed description of the unit's capabilities and technologies.

Controls and Operation

Location and Function of Controls

Identifies and explains front panel and remote controls.

Remote Commander Operation

Explains functions exclusive to the remote commander.

Connections and System Overview

System Block Diagram Overview

Illustrates the overall signal flow and component interactions.

Time and Date Functions

Setting the Date and Time Procedure

Step-by-step guide to set the unit's internal clock accurately.

Adjustments and Calibration

Adjustment Preparation and Test Mode

Pre-adjustment notes, test tapes, initial settings, and test mode activation.

Mechanical Adjustments

Procedures for adjusting mechanical guides and tape path alignment.

Electrical Adjustments

Steps for adjusting end sensor, torque, back tension, and tape path fine-tuning.

RF Signal and Pilot Adjustments

Procedures for checking RF signal waveforms and adjusting pilot signals.

Diagrams and Schematics

System Block Diagram Overview

High-level functional block diagram of the entire system.

Printed Wiring Board Layouts

Component placement diagrams for various circuit boards.

Schematic Diagrams

Detailed circuit diagrams for different sections of the unit.

Exploded Views and Parts Lists

Electrical Parts List

RF Amplifier (REC/PB) Parts

Lists components for the RF amplifier (REC/PB) board.

RF Amplifier (PB) and Audio Parts

Lists components for RF amplifier (PB) and Audio boards.

Service Manual Corrections

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