EasyManua.ls Logo

Sony TC-WR950 Service Manual

Sony TC-WR950
38 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Question and Answer IconNeed help?

Do you have a question about the Sony TC-WR950 and is the answer not in the manual?

Sony TC-WR950 Specifications

General IconGeneral
Track System4-track, 2-channel stereo
Tape Speed4.8 cm/s
TypeDouble Cassette Deck
Wow and Flutter0.07%
Heads1 x record/playback, 1 x playback, 1 x erase
MotorDC Motor
InputLine In
OutputLine Out
Dimensions430 mm
Power SupplyAC 220-230V, 50/60Hz

Summary

Features

Safety Check-Out (US Model)

Leakage Test

Checks AC leakage from exposed metal parts to earth ground. Limit is 0.5 mA.

Section 1 Outline

1-1. Location of Function Control

Identifies front panel, deck, and remote control functions and buttons.

1-2. IC701 Pin Functions

Details pin functions of the mechanical control microcomputer IC701.

1-3. IC951 Pin Functions

Details pin functions of IC951, related to display and control logic.

1-4. Block Diagram

Provides a high-level overview of the system's functional blocks and interconnections.

Section 2 Disassembly

Section 3 Adjustments

3-1. Mechanical Adjustments

Covers precautions and procedures for mechanical adjustments like torque and cleaning.

3-2. Electrical Adjustments

Outlines electrical adjustment procedures, including setting controls and standard signals.

Record/Playback Head Azimuth Adjustment

Details the procedure for adjusting the head azimuth for optimal playback.

Tape Speed Adjustment

Explains how to adjust tape speed for both high and normal playback speeds.

Playback Level Adjustment

Describes how to adjust playback output levels for L-CH and R-CH.

Erase Current Adjustment

Details the process for adjusting erase current, crucial for recording quality.

Record Bias Adjustment

Outlines the procedure for setting record bias for optimal frequency response.

Record Level Adjustment

Explains how to set recording input and output levels.

Quick Reverse Adjustment

Details the adjustment procedure for the auto-reverse mechanism.

Circuit Boards Location

Section 4 Diagrams

4-1. Mounting Diagram

Illustrates the physical placement of components and boards on the chassis.

Semiconductor Locations

Provides a reference list and locations for semiconductor components.

Main Board

Details the layout of the main circuit board with key components.

Section 5 Exploded Views and Parts List

Section 6 Electrical Parts List

Troubleshooting Guide

Tape Operation and Transport Issues

Troubleshooting for issues related to tape transport and button functions.

Recording and Playback Problems

Troubleshooting for problems with recording, playback, and sound levels.

Noise Issues

Addresses issues related to hum and recorded noise during operation.

Related product manuals