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Sony TC-W250 User Manual

Sony TC-W250
34 pages
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Sony TC-W250 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Tape Speed4.76 cm/s
Total Harmonic Distortion0.8%
Power SupplyAC 120V, 60Hz
Wow and Flutter0.07% (WRMS)
InputsLine In
OutputsLine Out
Dimensions430 x 125 x 250mm
Frequency Response (Normal Tape)30 Hz - 14 kHz

Summary

Safety Precautions

Critical Component Identification

Identifies safety-critical components marked in diagrams for replacement.

Location and Function of Controls

Section 2-2 Schematic Diagrams

Section 2-4 Schematic Diagrams (TC-W21)

Section 1 Adjustments

Mechanical Adjustments

Procedures for cleaning and setting mechanical tensions and torques.

Electrical Adjustments

Guidelines for demagnetizing heads and performing electrical calibrations.

Adjustment Procedures

Playback Level Calibration

Procedure to adjust playback output levels for accurate sound reproduction.

Record Level Calibration

Procedure to set the recording input levels for optimal performance.

Head Azimuth Alignment

Procedure for aligning playback heads for optimal stereo separation and clarity.

Record Bias Current Tuning

Procedure for optimizing recording bias current for tape compatibility.

Tape Speed Calibration

Procedure to adjust and verify tape playback and dubbing speeds.

Section 3 Exploded Views and Parts List

Exploded Mechanical Views

Visual breakdown of the unit's mechanical components with reference numbers.

Parts List

Comprehensive list of all parts with part numbers, descriptions, and remarks.

Section 4 Electrical Parts List

Troubleshooting Guide

Tape Operation and Transport Issues

Diagnoses and remedies for problems related to tape loading and transport mechanisms.

Recording and Playback Problems

Troubleshooting steps for issues encountered during recording or playback.

Noise and Tone Issues

Addresses problems like hum, noise, and unbalanced audio tones.

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