Zenith E44W46LCD Service Manual Download Page 1 | Manualshive

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SERVICE MANUAL

Product Type:

LCD Projection TV

Chassis:

MB-042B

Manual Series:
Manual Part #:
Model Line:
Product Year:

2004

E44W46LCD

Model Series:

CONTENTS

Product Specifications ..................................................4
Description of Controls .................................................5
Adjustment Instructions ...............................................12
Diagrams ...................................................................30
Parts List ...................................................................33
Schematics ....................................................................

Published Oct. 2003

by Technical Publications

LG Electronics USA, Inc.

201 James Record Road,

Huntsville, Alabama 35824-1513

Copyright © 2003 by Zenith Electronics Corporation

Printed in Korea

http//www.zenithservice.com

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Summary of Contents for E44W46LCD

Page 1: ...s CONTENTS Product Specifications 4 Description of Controls 5 Adjustment Instructions 12 Diagrams 30 Parts List 33 Schematics Published Oct 2003 by Technical Publications LG Electronics USA Inc 201 Ja...

Page 2: ...nts commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following...

Page 3: ...ATIONS 4 DESCRIPTION OF CONTROLS 5 ADJUSTMENT INSTRUCTION 12 PRINTED CIRCUIT BOARDS 18 BLOCK DIAGRAM 30 EXPLODED VIEW 32 EXPLODED VIEW PARTS LIST 33 REPLACEMENT PARTS LIST 34 SCHEMATIC DIAGRAM TABLE O...

Page 4: ...Consumption W 220W Antenna 75 ohm External Terminal for VHF UHF Audio Output W 12W x 2 Supplied Accessories Remote control 2 size AA batteries 2 filters External Input Output Ports A V input 3 set A V...

Page 5: ...turns on Orange flashing Preparing operation in standby mode Orange Projection lamp is reaching the end of its life and needs to be replaced with a new lamp Red flashing There is a problem with the la...

Page 6: ...sound system RF Connector Antenna Used to connect analog cable or antenna signals to the television either directly or through your cable box Video 1 or 2 Connects the video sig nals from various type...

Page 7: ...Right Audio Used for stereo sound from various types of equipment Video Connects the video signals from any piece of equipment S Video A connection available on some very high end equip ment that pro...

Page 8: ...e sound on or off THUMBSTICK Allows you to navigate the on screen menus and to adjust the system set tings and preferences by moving to an option withF G and selecting the high lighted option with TV...

Page 9: ...and other on screen dis plays selects highlighted options RECORD PAUSE REW FFWD PLAY STOP Control the functions on your VCR VOLUME UP DOWN Increases decreases the sound level RATIO Changes the screen...

Page 10: ...nnel Display Displays current channel number Channel Label If a channel label has been set then it will appear here PIP Display This display appears when PIP is active Volume Volume level is displayed...

Page 11: ...indicator Temperature indicator 1 2 3 4 5 6 7 8 See menu pages for instructions on using the on screen menus The POWER MENU ENTER VOLUME and CHANNEL buttons work just as they do on your remote control...

Page 12: ...ADJ key to come out after adjustment 4 LCD Adjustment 4 1 NRS Adjustment When the LCD panel load data on regular pixel using high speed charge discharge with sample holder the drain width of TFT gradu...

Page 13: ...Position 3 Select H_Position with channel key in adjust mode 4 Adjust data with using the Volume key on the remote control in order to be left right symmetry screen Three blocks of the most outer blo...

Page 14: ...l level in the VDP Test Pattern change the 14th RGB Data value to come out white balance x 283 y 297 D9300K and measured step luminance in 5 8 As shown above output the VDP Test Pattern sig nal 208 19...

Page 15: ...e according to RMID1 and RMAX value use it while adjusting 4 coefficient 16 RL3L Lower 9bit of MAX brightness correction coefficient in R MID1 Change according to RMID1 and RMAX value use it while adj...

Page 16: ...h ET7050 IC through measurement equipment of optics Adjust screen coordinates data to adjust the color uniformity of max point At this time make sure that deviation is 5 5 and standard is color coordi...

Page 17: ...the S W for writing DDC 3 Put the EDID write instruction into operation 11 Check and adjustment RGB Alignment 11 1 Required Test Equipment Remote control for adjustment 11 2 Preparation for Adjustmen...

Page 18: ...18 PRINTED CIRCUIT BOARD MAIN TOP...

Page 19: ...19 PRINTED CIRCUIT BOARD MAIN BOTTOM...

Page 20: ...20 PRINTED CIRCUIT BOARD TUNER TOP...

Page 21: ...21 PRINTED CIRCUIT BOARD TUNER BOTTOM...

Page 22: ...22 PRINTED CIRCUIT BOARD DRIVER TOP...

Page 23: ...23 PRINTED CIRCUIT BOARD DRIVER BOTTOM...

Page 24: ...24 PRINTED CIRCUIT BOARD DIGITAL TOP...

Page 25: ...25 PRINTED CIRCUIT BOARD DIGITAL BOTTOM...

Page 26: ...26 PRINTED CIRCUIT BOARD SMPS AC INPUT...

Page 27: ...27 PRINTED CIRCUIT BOARD AUDIO TOP AUDIO BOTTOM...

Page 28: ...28 PRINTED CIRCUIT BOARD SIDE A V CRM TOP CRM BOTTOM...

Page 29: ...29 CASE DET POWER S W PRE AMP INTERFACE CONTROL TOP CONTROL BOTTOM PRINTED CIRCUIT BOARD...

Page 30: ...30 BLOCK DIAGRAM...

Page 31: ...31 NOTES...

Page 32: ...32 EXPLODED VIEW 304 303 305 121 300 520 560 540 501 550 503 301 310 302 650 330 120 630 700 410 400 430 401 402 681 680 670 601 174 620 610 611 640 530 720 612 572 571 570 600 580 581...

Page 33: ...SSEMBLY SUB TUNER MB042A RU 44SZ80L 550 6871VSMX04H PCB ASSEMBLY SUB DIGITAL MB042B RU 44SZ81L 560 6871VSME84A PCB ASSEMBLY SUB CRM MB042A RU 44SZ80L 570 6871VSML01B PCB ASSEMBLY SUB MB042A DIRVER 80H...

Page 34: ...PTION IC1 IC100 IC100 IC1000 IC1001 IC1001 IC1002 IC1003 IC1005 IC1007 IC1008 IC101 IC1010 IC1011 IC1012 IC1013 IC1014 IC1019 IC102 IC102 IC1020 IC1021 IC1022 IC1023 IC1024 IC103 IC104 IC105 IC106 IC1...

Page 35: ...C1627A KEC KSC945CY TO92 50V 150MA KTA1024Y KTA949 TP KEC KTC3227Y TP KTC1627A KEC LED LTL30EWJ LOCA NO PART NO DESCRIPTION D1 D100 D100 D102 D103 D104 D105 D106 D2 D201 D3 D3 D300 D4 D5 D6 D700 D701...

Page 36: ...V 20 0 01UF 1608 50V 10 LOCA NO PART NO DESCRIPTION C1058 C1059 C1060 C1061 C1062 C1063 C1064 C1065 C1066 C1067 C1068 C1069 C1070 C1071 C1072 C1073 C1074 C1075 C1076 C1077 C1078 C1081 C1082 C1083 C108...

Page 37: ...0V 10 0 01UF 1608 50V 10 0 01UF 1608 50V 10 0 01UF 1608 50V 10 22UF MVG 25V 20 0 01UF 1608 50V 10 LOCA NO PART NO DESCRIPTION C1191 C1192 C1193 C1194 C1195 C1196 C1197 C1198 C1199 C120 C1200 C1200 C12...

Page 38: ...V 20 220000PF 2012 16V 10 1UF 2012 16V 20 220000PF 2012 16V 10 1UF 2012 16V 20 220000PF 2012 16V 10 LOCA NO PART NO DESCRIPTION C215 C216 C217 C219 C223 C224 C225 C226 C227 C229 C23 C231 C237 C238 C24...

Page 39: ...S 22 5 1UF 0 500V 5 1000P 2KV K B S 1000P 2KV K B S 0 01UF 50V Z F TR 0 047UF D 50V 80 20 MPE ECQV1H474JL3 TR 50V 0 47UF J LOCA NO PART NO DESCRIPTION C813 C814 C815 C816 C820 C822 C824 C825 C827 C82...

Page 40: ...0 LOCA NO PART NO DESCRIPTION AR1020 AR1021 AR1022 AR1023 AR1024 AR1025 AR1026 AR503 AR504 AR506 AR516 AR518 AR519 AR522 AR523 AR526 AR529 AR530 AR531 AR744 AR746 AR748 AR750 AR846 AR847 AR848 AT1002...

Page 41: ...6 W 5 00 3 9K OHM 1 6 W 5 LOCA NO PART NO DESCRIPTION R867 R868 R872 R873 R874 R875 R876 R877 R877 R891 R892 R893 R894 R894 R895 R896 R897 R898 R899 SW01 SW1 SW2 SW3 SW4 SW5 SW6 SW7 FB801 FB851 FB861...

Page 42: ...2 FILTER B P H354LAIK5202 FILTER B P H354LAIK5202 FILTER EMC SQE2828 17 2MH 60TURNS FILTER EMC SQE2828 17 2MH 60TURNS FILTER EMC SQE3535 27 5MH 0 6PHY FILTER EMC ZCAT30351330MK FILTER EMC ZCAT30351330...

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