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CONFIDENTIAL

No.P B 2 4 - 0 4 - B 0 0 3

Empowered by Innovation

SERVICE MANUAL

PLASMA MONITOR

MODEL PX-50XM4 series
PX-50XR4 series

This service manual provides the technical materials for maintenance servicing, programmed for
the technical personnel in charge of repair services. Prior to starting maintenance servicing, read
through the [SAFETY SERVICE (P3-1)] without fail and observe the caution notes described
therein.
External appearance and specifications are subject to change without notice, for reasons of qual-
ity and performance improvements and others.
In order to maintain safety, quality, and performance, use the genuine parts, without fail, at the
time of maintenance servicing.

NEC Plasma Display Corporation
TOKYO, JAPAN
Copyright (C) 2004 NEC Plasma Display Corporation ALL rights reserved.
NEC and NEC logo are registered trademarks of NEC Corporation.
This document contains confidential information. Unauthorized copying,
duplication, distribution, or republication is strictly prohibited.
CONFIDENTIAL
CONTENTS

INTRODUCTION ........................................................................................................................ 2-1
SAFETY SERVICE..................................................................................................................... 3-1
USER'S MANUAL ...................................................................................................................... 4-1
TROUBLESHOOTING ............................................................................................................... 5-1
METHOD OF ADJUSTMENTS .................................................................................................. 6-1
METHOD OF DISASSEMBLY ................................................................................................... 7-1
METHOD OF PACKAGING ....................................................................................................... 8-1
PARTS LIST ............................................................................................................................... 9-1
CONNECTION DIAGRAMS ..................................................................................................... 10-1
CONNECTION PIN EXPLANATION ........................................................................................ 11-1
BLOCK DIAGRAMS ................................................................................................................. 12-1
CIRCUIT DIAGRAMS............................................................................................................... 13-1
CIRCUIT DESCRIPTION ......................................................................................................... 14-1

1-1
CONFIDENTIAL
INTRODUCTION

The merchandise listed in this Service Manual is categorized as shown below. All the items are applicable to
HDCP.

PX-50XM4 Series (Cabinet color: gray, Filter: AR filter provided with a loop-out feature)
1. Destination
(1) For Japan PX-50XM4J

(2) For North America PX-50XM4A

(3) For European countries PX-50XM4G

(4) For countries other than the above areas PX-50XM4W

2. EMI standards
(1) CLASS A PX-50XM4J,PX-50XM4A,PX-50XM4W,PX-50XM4G

(2) CLASS B No applicable model

PX-50XR4 Series (Cabinet color: Silver, Filter: AR filter without a loop-out feature)
1. Destination
(1) For Japan No applicable model

(2) For North America PX-50XR4A

(3) For European countries PX-50XR4G

(4) For countries other than the above areas PX-50XR4W

2. EMI standards

(1) CLASS A No applicable model

(2) CLASS B PX-50XR4A,PX-50XR4W,PX-50XR4G

2-1
CONFIDENTIAL
SAFETY SERVICE
Safety cautions
The matters to be observed without fail are explained below. These matters are indispensable for the
prevention of an accident during the maintenance servicing, the "security of products" after the completion of
servicing work, and the "prevention of the repeated occurrence of similar fault."

(1) The degree of danger and material damage, caused as a result of wrong use by disregarding the contents
of the display" is distinguished and explained in the table below.

If this display is disregarded and equipment is handled

WARNING wrongly, this can be a cause of physical injury and a
fire, thus leading a person to death or serious injury.

If this display is disregarded and equipment is
CAUTION handled wrongly, this may lead to personal injury or
material damage.

(2) Kinds of the matters to be observed are classified and explained in the icons shown below.

This icon indicates a dangerous place where an electric shock is anticipated.

This icon indicates the contents of "caution" that must be borne in mind, without fail.

This icon indicates the contents of "caution" that must be practiced, without fail.

WARNING

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