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Service Manual
Model # : LCD TV 42"
LE42Z300R3D_LC420EUG-RDF1-7R1 (CN)
(T42CNHAB2RF1.300R3D1)
AMTRAN TECHNOLOGY CO., LTD.
17F, NO. 268, Lien Chen Rd., Chung Ho New City Taipei County, Taiwan, 235 R.O.C.
TEL : (02) 8228-0505 |
FAX : (02) 8228-0599 |
Confidential Document, Property of AmTRAN CO. LTD
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Table of Contents |
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CONTENTS |
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Sections |
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1. |
Features |
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1-1 |
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2. |
Specifications |
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2-1 |
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3. |
On Screen Display |
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3-1 |
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4. |
Factory Preset Timings |
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4-1 |
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5. |
Pin Assignment |
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5-1 |
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6. |
Block Diagram |
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6-1 |
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7. |
Main Board I/O Connections |
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7-1 |
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8. |
Theory of Circuit Operation |
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8-1 |
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9. |
Trouble Shooting |
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9-1 |
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10. Complete Parts List |
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10-1 |
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Appendix
1. Assembly Explosion Drawing
LE42Z300R3D Service Manual
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Service Manual |
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LE42Z300R3D |
COPYRIGHT © 2000 .AMTRAN TECHNOLOGY CO.,LTD. ALL RIGHTS RESERVED.
IBM and IBM products are registered trademarks of International Business Machines Corporation.
Macintosh and Power Macintosh are registered trademarks of Apple Computer, Inc.
AmTRAN and AmTRAN products are registered trademarks of AmTRAN Technology Co.,Ltd.
VESA, EDID, DPMS and DDC are registered trademarks of Video Electronics Standards Association (VESA).
Energy Star is a registered trademark of the US Environmental Protection Agency (EPA).
No part of this document may be copied, reproduced or transmitted by any means for any purpose without prior written permission from AmTRAN.
FCC INFORMATION
This equipment has been tested and found to comply with the limits of a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that the interference will not occur in a particular installation. If this equipment does cause unacceptable interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures -- reorient or relocate the receiving antenna; increase the separation between equipment and receiver; or connect the into an outlet on a circuit different from that to which the receiver is connected.
FCC WARNING
To assure continued FCC compliance, the user must use a grounded power supply cord and the provided shielded video interface cable with bonded ferrite cores. Also, any unauthorized changes or modifications to Amtrak products will void the user’s authority to operate this device. Thus AmTRAN Will not be held responsible for the product and its safety.
CE CERTIFICATION
This device complies with the requirements of the EEC directive 89/336/EEC with regard to “Electromagnetic compatibility.”
SAFETY CAUTION
Use a power cable that is properly grounded. Always use the AC cords as follows – USA (UL); Canada (CSA); Germany (VDE); Switzerland (SEV); Britain (BASEC/BS); Japan (Electric Appliance Control Act); or an AC cord that meets the local safety standards.
LE42Z300R3D Service Manual
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Chapter 1 Features
Haier LE42Z300 R3D is a LED TV that includes below feature:
1. Slim LED TV:
The slim TV is very popular in the market and the LED backlight can save much more power so that the users do not need to pay a lot of money, the user is very happiness of this feature.
2. Multimedia Support:
This model supports the multimedia that can play MP3 TXT Video and picture. The user can use the USB to play these . USB supported format MVB/RM , JPEG , MP3.
3. 3D movies Support:
Users can enjoy 3D movies with the 3D glass . the 3D movies format as the table below.
Format |
Resolution |
Frame Rate(Hz) |
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Frame Packing |
1080p* |
24 |
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720p* |
50/60 |
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(Rull Resolution) |
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1080i |
50/60 |
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Side by Side |
1080i* |
50/60 |
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Top and |
1080p* |
24 |
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720p* |
50/60 |
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Bottom |
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1080i |
50/60 |
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4. Ethernet Supported:
This model support Ethernet function . Users can easily surf internet to see movies , listen music and get the information about NEWS , stock market and so on .
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Front Bezel |
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Rear Cover |
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Key Button |
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N/A |
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Led Lens |
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N/A |
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IR Lens |
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N/A |
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Chapter 2 |
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Specifications |
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1 |
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LGD Display, LC420EUG-RDF1-7R1 |
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Basic Information |
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Active Screen Size |
42.02 inches(1067.31mm) diagonal |
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Outline Dimension |
968.4(H) 564(V) X 10.8(B)/18.3 mm(D) (Typ.) |
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Pixel Pitch |
0.4845 mm x 0.4845 mm |
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Pixel Format |
1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement |
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Color Depth |
8bit, 16.7Million colors |
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Luminance, White |
360 cd/m2 (2D Mode), 135 cd/m2 (3D Mode) |
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Contrast Ratio |
1000(min), 1400(typ) |
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Viewing Angle |
Viewing angle free ( R/L 178 (Min.), U/D 178 (Min.)) |
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(CR>10) |
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Power Consumption |
Total 88.8W (TBD) [Logic= 4.8W, LED Driver=84(TBD)W |
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(ExtVbr_B=100% )] |
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Weight |
8.8 Kg (Typ.) |
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Display Mode |
Transmissive mode, Normally black |
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Surface Treatment |
Hard coating(2H), Anti-glare treatment of the front polarizer (Haze |
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10%) |
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2 |
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LE42Z300R3D |
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Haier LE42Z300R3D |
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TV |
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PAL/NTSC |
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PC |
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15pins D-Sub |
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1 x RF |
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2 x HDMI with HDCP plus |
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1x Component YPbPr plus Stereo Audio |
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1 x Composite Video plus ;Stereo Audio |
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1 x Analog RGB plus Stereo Audio |
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1 x USB |
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1 x Ethernet |
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1 x Composite Video plus Stereo Audio |
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USB |
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10W x 2 |
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100-240 Vac , 50/60Hz |
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( ≥1.4) |
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EDID |
1.3 |
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Primary 1920(H) x 1080(V) @ 50Hz... |
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1.0-100 50
2.0-100 50
3.0-100 50
4.0-20 10
5.NTSC
7.4:3
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1.0-100 30
2.-50-50 0
6.MAXX Bass
2.PAL SECAM NTSC
3.D/K B/G I M D/K
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1.OSD English
2.5 , 10 , 15 : 5
6.0-100
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2.0-100 50
3.0-100 50
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2.:
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Chapter 3 On Screen Display
OSD (On Screen Display) function is supported on each TV and is easily controlled by key pad and remote control , the user can change the OSD setting to adjust their preferences.
Menu |
Sub Menu |
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1. |
0-100 50 |
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2. |
0-100 50 |
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4. |
0-20 10 |
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NTSC |
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4:3 |
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6.MAXX Bass |
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2. PAL SECAM NTSC |
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3. D/K B/G I M D/K |
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1.OSD English |
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2. 5 , 10 , 15 : 5 |
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6. 0-100
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7.
8.
a.: , . :
b.: , , , :
c.: , , , :
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a. : , , , ,
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b.: (0-10). : 0 (“” “ ” “ ” )
1.
2. 0-100 50 3. 0-100 50
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5.
6.
7.
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a.: (-15 -+15). : 0
b.: (-15 -+15). : 0
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6.:
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Menu |
Sub Menu |
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1. |
0-100 50 |
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0-100 50 |
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7. |
4:3 |
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