ERAE Electronics Industry EPT4220AP Manuale operativo
MANUAL
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EPT-4220AP ERAE ELECTRONICS
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42 INCH PLASMA TV
Rev:00
REV
Description Change Page Author Date Approval
1Research
Engineer Jan. 13, 2005
Jan 13, 2005
RIVISION HISTORY
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SERVICE
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PREFACE
This manual is prepared for the maintenance service for EPT-4220AP 42” PDPTV.
Maintenance procedures described in this manual are intended to isolate faulty parts and
replace them in the field. It also aims to serve as a guide in procuring replacement parts for
this product.
This manual is copyrighted and all rights are reserved. This product may not, in whole
or inpart, be copied, photocopied, translated or reduced to any electronic or machine
readable formwithout priorwritten consent except for copies retained by the purchaser for
backup purpose.
This manual includes system overview, major system assembly, components’
description, and the “Troubleshooting” making explanations on how to detect errors. It also
includes a flow chart for checking or correcting faults.
No warranty or representation, either expressed or implied, is made with respect to this
documentation, its quality, performance, merchantability or fitness for particular purpose.
No event that the vendor will be liable for direct, indirect, special, incidental or
consequential damages arising out of the user or inability to use this product or documentation.
☞. NOTICE :
The information found in this manual is subject to change without prior notice. Any
subsequent changes made to the data herein will be incorporated in further edition.
EPT-4220AP Service Manual
Copyright Sep, 2004
All Rights Reserved
Manual Version 1.0
Document #
P/N :
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Table of Contents
1. Introduction 1-1
1-1 Product Highlight 1-2
1-2 Technical Specification 1-3
1-3 Environmental Requirements 1-5
2. Mechanical Construction 2-1
2-1 Package Overview 2-2
2-2 Exploded Overview 2-4
2-3 Recommendation Spare Parts List 2-7
3. Procedure of Disassembly 3-1
3-1 Disassemble Back Cover and Jack Housing 3-1
3-2 Disassemble Back Bracket Parts and Board 3-2
3-3 Disassemble PDP Module 3-3
3-4 Disassemble Front Filter Glass Assy 3-4
4. The Function of Boards 4-1
4-1 VSC Board 4-1
4-2 Tuner Board 4-2
4-3 SUB AV Board 4-3
4-4OSD Board 4-4
4-5 IR & LED Board 4-5
4-6 RS232C Board 4-6
4-7Power Board 4-7
4-8 PDP Module 4-8
5. Troubleshooting 5-1
5-1 Equipment Needed 5-1
5-2 Main Procedure 5-2
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6. Panel Specification 6-1
6-1 General Specifications 6-1
6-2 Life Expectancy 6-2
6-3 Electrical Specifications 6-3
6-4 Optical Specifications 6-4
6-5 Dot Defects 6-5
7. Function Test & Alignment Procedure 7-1
7-1 Test Equipment 7-1
7-2 Test Condition 7-2
7-3 Test Display Modes and Pattern 7-3
7-4 Function Testand Alignment Procedure 7-4
7-5Cleaning 7-5
8. Firmware Upgrade Procedure 8-1
8-1 Equipment Needed 8-1
8-2 Setup Procedure 8-2
8-3 Upgrade Procedure 8-3
9. Appendix 9-1
9-1 Serial Number System Definition 9-1
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CHAPTER 1
Introduction
________ This manual provides an integral information you need to
maintain the PDP TV, and the manual is applied to the model
of EPT-4220AP PDP TV. There are nine topics in this manual, and you
can immediately identity the problem through the manual.
This manual is for the technicians and people who have the
electronic background. Send the product back to the distributor
for repairing and do not attempt to do anything which is complex
or isn’t mentioned in the Troubleshooting .____________________________
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1-1 Product Highlight
The major advanced features of this product are :
◆42” Color PDP panel (852*480 Pixels )
◆Analoginterface for plug and play convenience
◆1000 cd/m2 higher brightness and 3000:1 Contrast Ratio
◆1024*768 XGA @ 75Hz resolution support
◆Wide compatibility with 15.7-70KHz for horizontal scan
◆Multi-functionalOSD(On Screen Display) for user control
◆Built-in Power Supply
◆PIP (Picture in Picture) Function
◆160˚Wide Viewing Angle.
◆Panel Protection function
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1-2 Technical Specification
1-2.1 PDP Module
LGE PDP42V6####
Screen Size 42” diagonal
Dimension Outline 1006(W)*598(H)*61(D) ±1mm
ActiveArea 920.1(W)*518.4(H) ±0.5mm
Technology AC Plasma Technology
Display Pixels 852*480
Brightness 1000cd/m2 (typ.)
Contrast Ratio 3000 : 1 (min.)
Number of Color 16.7 M colors
Viewing Angle Over 160˚
Life time 60,000 hrs (min.)
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1-2.2 Compatibility
Input Signal
Video : Analog RGB, 0.7Vp-p
Composite, S-Video, Component1 (480i(60Hz),576i(50Hz))
Component2 ( 480p,576p, 720p(50/60Hz), 1080i(50/60Hz)
Synchronization Separate Sync (H, V), Sync On Green.
Displayable Color 16.77million colors
Compatibility Range
Maximum Pixel Frequency 78.75MHz (XGA@ 75Hz)
Horizontal Frequency 31KHz ~ 70KHz(SVGA)
Vertical Refresh 50Hz ~ 75Hz
1-2.3 Electrical Power
PowerSupply
Built-in Power Supply
AC220 ~240V / 50Hz, 320W
CB.CE Mark compliant
1-2.4 Mechanical
Stand Length 900mm
Height 426mm
Width 300mm
Weight 7Kg
Wall Mount
Width 25.1 inch/638mm
Height 16.9inch/430mm
Depth 1.2inch/5mm
Weight 11lbs/5Kg
Angle Adjustment 0˚, 10˚, 15˚, 20˚
1-2.5 Safety/Regulation
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CB.CE
1-3 Environmental Requirements
1-3.1 Temperature
Operating 0˚C ~ 40˚C (Neglect altitude)
Non-Operating -20˚C ~ 60˚C (For all altitude)
1-3.2 Humidity
Operating 20% ~ 80%(Withoutcondensation)
Non-Operating 10% ~ 90% (Without condensation)
1-3.3 Pressure
Operating 800~ 1100hPa (Altitude : 0 ~ 2000m)
Non-Operating 700 ~ 1100hPa (Altitude : 0 ~ 3000m)
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CHAPTER 2
Mechanical Construction
___________ This section provides the package and exploded overview,
replaceable parts list and recommendation parts list for the
42” PDP TV. You can place an order for correct parts
in the recommendation parts list._____________________________
Indice
