Sony CDU31A Series - User Manual

CD-ROM DRIVE UNIT
CDU31A-O 1
CDU31A-02
CDU-541-51
CDU-541-81
CDU31A-GW
CDU31A-L
L
SONY:
SERVICE MANUAL

Summary

SECTION 2 Tools and Measuring Instruments

2-1 Tool and Supply Lists

SECTION 3 Troubleshooting

3-1 Before Troubleshooting

3-2 Troubleshooting Flowchart

Visual guide outlining the steps for diagnosing unit issues.

3-3 ATP Test Procedure

Step-by-step guide for performing the Automatic Test Pattern (ATP) test.

3-4 Drive Function Check

Procedures for checking the basic operational functions of the drive.

3-5 Outgoing Test Procedure

Steps for performing outgoing tests on the unit before shipment.

3-6 Type of Error

3-7 Error;Attention Code

SECTION 4 Part Replacement

4-2 Bottom Plate Assembly Replacement

4-3 Front Panel Assembly Replacement

4-4 MA-1;MA-2 Mounted Board Replacement

4-5 Optical Device Replacement

SECTION 5 Check and Adjustment

5-1 Electrical Adjustments

Details procedures for electrical adjustments.

5-2 RF Level and Laser Current

Procedure for measuring RF level and laser current.

5-3 Optical Device Cleaning

Steps for cleaning the optical device using lens cleaner and swabs.

SECTION 6 Exploded Views and List

6-2 Block Diagrams

6-3 Part Layout and Circuit Diagrams

Sony CDU31A Series Specifications

General

Brand	Sony
Model	CDU31A Series
Category	CD/CDR Drive
Language	English