Toshiba SD-4700, SD-5700 Service manual

FILE NO. 813-200104

SUPPLEMENT

SERVICE MANUAL

DIGITAL VIDEO

DVD VIDEO/AUDIO PLAYER

SD-4700

®

SD-5700

– SUMMARY

This service manual covers only the different points from the service manual, file no. 810-200108,

for model SD-3750 since SD-4700, SD-5700 is basically the same designing as SD-3750.

Please refer to the file no. 810-200108 for other information.

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Jan., 2002

S

LASER BEAM CAUTION LABEL

When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser

may be recceived.

PREPARATION OF SERVICING

Pickup Head consists of a laser diode that is very susceptible to external static electricity.

Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire, etc. to protect the laser diode from damage by static electricity.

And also, the LSI and IC are same as above.

Note:

Ground conductive wrist strap for body.

Soldering iron with ground wire or ceramic type

Conductive mat

®

: Only for SD-5700.

SD-4700 is not provided with HDCD decoder.

1M

W

The ground resistance between the ground line and the ground is less than 10W.

4. BLOCK DIAGRAM Output Block Diagram

5. CIRCUIT DIAGRAM Output Circuit Diagram

SAFETY PRECAUTION NOTICE ABBREVIATIONS

1. Integrated Circuit (IC)

2. Capacitor (Cap)

3. Resistor (Res)

Toshiba SD-4700, SD-5700 Service manual

CONTENTS

Output Circuit Diagram