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Sony WM-DD30 Service Manual

Sony WM-DD30
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Sony WM-DD30 Specifications

General IconGeneral
BrandSony
ModelWM-DD30
CategoryCassette Player
LanguageEnglish

Summary

Specifications

Optional Accessories

Details optional accessories such as AC power adaptor, battery case, and car battery cord.

Features

Disc Drive System

Assures accurate and stable tape transport, reducing wow and flutter.

Dolby NR System

Reduces tape hiss noise for clearer audio playback.

Dual Headphone Jacks

Allows two persons to listen to tape playback simultaneously.

MEGA BASS Selector

Enhances low-frequency sound for powerful bass output.

General Information

Parts Identification

Identifies all external buttons, jacks, and controls on the device.

Disassembly Procedure

Adjustments

Precautions for Adjustment

Advises on cleaning, demagnetizing, and using correct tools for adjustments.

Mechanical Adjustment Details

Covers torque measurement, pinch roller pressure, motor installation, and wow & flutter.

Head Height Adjustment

Explains how to adjust playback head height and tape-guide alignment.

Electrical Adjustments

Tape Speed Adjustment

Details the procedure for adjusting tape speed using a digital frequency counter.

Playback Head Azimuth Adjustment

Describes how to align the playback head for optimal audio output.

IC Block Diagrams

Schematic Diagram

Exploded Views - General Section

Exploded Views - Mechanism Section 1

Exploded Views - Mechanism Section 2

Electrical Parts List

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