Contents

CONTENTS
INTRODUCTION	1
DISASSEMBLY	1
LASER DISASSEMBLY	3
LASER REASSEMBLY	5
DVD REASSEMBLY	6
TROUBLESHOOTING	7
Introduction	7
Power Supply Checks	8
Front Panel Checks	9
Laser Checks	10
Focus & Tracking Checks	11
Loading Motor Checks	14
Color Difference Output Checks	14
Summary	15
PC Board Layout	16
Connector Pinouts	17

INTRODUCTION

1.This book supplements video tape NTDVT006, Toshiba DVD Servicing. It covers the mechanical disassembly and reassembly of a DVD player, and how to diagnose a problem to the board level. For more detailed information and drawings refer to service manual 810-9601. For connector locations and pin identification, refer to the drawings in the back of this book.

2.The DVD player is very static sensitive, so always use a static mat and wrist strap when servicing the player. Failure to take these precautions could destroy or reduce the life of the laser and many other components.

DISASSEMBLY

1.Retract the 5 screws holding the cover in place.

2.Lift off the cover.

3.If a disc is stuck in the player it can be manu- ally removed by pushing the eject level with a long screwdriver.

4.After the tray pops out, pull it completely open and remove the disc.

5.To place the unit in the service position, remove the shield covering the main board.

6.Remove the 4 screws on the main board and