Hitachi PDV 1021 S Service Manual

Page 1

HITACHI sc No.0018E

SERVICE MANUAL PDV-1021S

r Caution

Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury harmful radiation
and materials, various measures are provided in this Hitachi protable DVD player.

Be sure to read the cautionary items described in the manual to maintain safety before servicing.

7 Service warning

1. Do not attempt to modify this product in any way and never perform customized installations without manu-
facturer's approval. Unauthorized modifications will not only void the warranty,but may lead to your being
liable for any resulting property damage or user injury.

2. Service workshould be performed only after you are thoroughly familiar with all of the following safety che-
cks and servicing guidelines. To do otherwise,increase the risk of potential hazards and injury to the user.

3. While servicing,use an isolation transformer for protection from A.C. line shock.

, Contents
SAFETY NOTICE .................................................... 2 * PCB WIRING DIAGRAMS ......................................... 10712
PRODUCT SPEClFlCATlONS _________________________________ 3 BLOCK DIAGRAM ............................................... 13
FUNCTIONAL OVERVIEW __________________________________ 4.6 * SCHEMATIC DIAGRAMS .................................... 14717
CONNECTIONS .................................................... 778 TROUBLESHOOTING ........................................ 18720
WIRING DIAGRAM _____________________________________________ g * REPLACEMENT PAFIT LIST ........................................ 21736

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

Protable DVD player

Dec. 2005 Digital Media Systems Group, Hitachi Asia Ltd.

Page 2

SAHEI'YMJ'I'ICE

LASER BEAM CAUTION LABEL

0 L/JXICIXfiWlCflflTJLTKTiEUo
0 DO NOT TOUCH THE LENS.

0 LINSE NICHT BRUHREN.

0 NE PAS TOUCHER LA LENTILLE.

When the power supply is being turned on, please dont remove this laser cautions label. If it removes, radiation of laser

may be received.

PREPARATION OF SERVICING
Pickup Head consists of a laser diode that is very susceptible to external static electrocity.
When replacing, please use a conductive mat, soldering iron with ground to protect the laser from damaged

by static electricity.

Please apply the same procedure when repair IC.

Ground conductive
wrist strap for body.

Soldering iron
with ground wire
or ceramic type

2 .

Conductive mat
The ground resistance
between the ground line
and the ground is less than 1M5;