LC-45GD6U SERVICE MANUAL SY4B6LC45GD6U LCD COLOR TELEVISION MODEL LC-45GD6U In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. OUTLINE This model is based on the LC-45GD4U and is equipped with a redesigned speaker. This Service Manual covers the modifications alone. For the other points, refer to the LC-45GD4U Service Manual.
LC-45GD6U LIST OF CHANGED PARTS Ref.No.
LC-45GD6U IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: » Use an AC voltmeter having with 5000 ohm per volt, or higher, sensitivity or measure the AC voltage drop across the resistor.
LC-45GD6U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre connue comme une conduite électrique ou une prise de terre branchée à la terre. • Utiliser un voltmètre CA d'une sensibilité d'au moins 5000Ω/V pour mesurer la chute de tension en travers de la résistance.
LC-45GD6U Precautions for using lead-free solder 1 Employing lead-free solder "PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder. Example: LFa Indicates lead-free solder of tin, silver and copper. 2 Using lead-free wire solder When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder.
LC-45GD6U SPECIFICATIONS Item 45" LIQUID CRYSTAL TELEVISION, Model: LC-45GD6U LCD panel Number of dots TV TV-standard (CCIR) Function Receiving VHF/UHF Channel CATV Digital Terrestrial Broadcast (8VSB) Digital cable (64/256 QAM) Audio multiplex Brightness Viewing angles Audio amplifier Speakers Terminals Rear INPUT 1 45" Advanced Super View & BLACK TFT LCD 6,220,800 dots (1920 × 1080 × 3 dots) American TV Standard ATSC/NTSC System VHF 2-13ch, UHF 14-69ch 1-125ch 2-69ch 1-135ch BTSC System 450 cd/m2 H :
Display INPUT button POWER button 7 OPC indicator OPC sensor POWER indicator CARD indicator CHANNEL buttons (CH / ) VOLUME buttons (VOL / ) Remote control sensor Part names * OPC: Optical Picture Control RS-232C terminal CENTER CHANNEL INPUT terminal RESET* AV MODE resets to DYNAMIC (Fixed) TV channel returns to initial channel (Air:2ch, Cable:1 or 2ch) Twin picture resets to normal Audio setting initializes Dolby virtual resets to off Image position initializes • Pressing RESET will not work
33 32 28 29 30 31 • When using the remote control unit, point it at the Liquid Crystal Television. 12 13 14 15 16 11 27 24 25 26 7 8 9 10 20 19 18 21 22 23 17 6 5 4 2 3 1 1 Virtual: Selects Virtual Dolby Surround settings. 32 EDIT: Registers favorite channel. 33 AV MODE: Selects an audio or video setting. (AV mode: STANDARD, MOVIE, GAME, USER, DYNAMIC (Fixed), DYNAMIC. PC mode: STANDARD, USER.) While watching, you can toggle the selected channels by pressing A, B, C and D.
AC cord (with Ferrite core) Press down the hooks to remove the cover toward you. Insert the cable clamp in the hole on the Display as shown. Cable clamp Bundling the cables with the clamp Connecting the AC cord to the Display Display (rear view) Removing the terminal cover • TO PREVENT RISK OF ELECTRIC SHOCK, DO NOT TOUCH UN-INSULATED PARTS OF ANY CABLES WITH THE AC CORD CONNECTED. CAUTION 3 2 1 After putting the Display in place, connect the AC cord.
Detach the stand from the Display. (Hold the stand so it will not drop from the edge of the base area.) Unfasten the four screws used to secure the stand in place. 10 Vertical mounting Angular mounting Hanging on the wall AN-37AG2 wall mount bracket. (See the bracket instructions for details.
9,600 bps 8 bits None 1 bit None 11 Parameter 4-digits P4 Return code Command 4-digits:Command. The text of four characters. Parameter 4-digits:Parameter 0 – 9, x, blank, ? 0 0 5 0 0 0 5 9 ? ? ? ? ? When “?” is input for some commands, the present setting value responds. 3 0 1 0 − 0 0 Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that 4 values are input for the parameter.
Setup Power Control EZ Setup CH Setup Antenna Setup-DIGITAL Speaker Setup Input Label Parental CTRL Position Picture Flip Language No Signal Off No Operation Off Treble Bass Balance Dolby Virtual Audio OPC Backlight Contrast Brightness Color Tint Sharpness Advanced C.M.S. Color Temp.
LC-45GD6U DIMENSIONS Unit: inch/(mm) 2621/32 (677) 47/32 (107) 4243/64 (1084) 18 31/32 (482.1) 31 37/64 (802) 297/32 (742) 2129/32 (556.7) 25 25/64 (645) 3815/16 (989.1) 439/64 (117) 7 7/8 (200) 18 31/32 (482.
LC-45GD6U REMOVING OF MAJOR PARTS Remove the Terminal Covers 1 . Remove 4 lock screws 2 and detach the Stand. Remove 4 lock screws 3 and detach the Bracket Covers. Remove 4 lock screws 4 and separate the Speaker Box from the set. Disconnect SP wire (R) and SP wire (L). 5. Remove 26 lock screws 5 from Rear Cabinet, and detach the Rear Cabinet. 1. 2. 3. 4.
LC-45GD6U 7. Remove the Top and Bottom Shields. 7-1. Remove the 2 lock screws 7-1 , Shield (Top) and 2 nuts 7-2 . 7-2. Remove the 1 lock screw 7-3 1 rivet 7-4 . Detach the Shield (Bottom). Shield (Top) 7-2 7-1 7-2 7-3 7-4 Shield (Bottom) 8. Remove the 2 lock screws 8 and detach the Main/Digital PWB Shield. 9. Remove the 4 lock screws 9 and detach the Wire Holder Cover Ass’y. 10.Remove the Fan Angle. 10-1. Remove the 2 lock screws 10-1 and detach the Upper Wire Angle Ass’y. 10-2.
LC-45GD6U 15.Remove the connectors from PWBs. 16.Remove the 6 lock screws 15 and detach the Fan Angles. 17.Remove the PC Card PWB. 17-1. Remove the 5 lock screws 16-1 from the PC Card Unit Holder. 17-2. Remove the 4 lock screws 16-2 from the PC Card Shield Ass’y. 17-3. Detach the PC Card PWB. 18.Remove the Digital PWB and Main PWB. 18-1. Remove the 2 lock screws 17-1 and remove the Digital/Main PWB Angle. Remove the 2 lock screws 17-2 and Remove the Digital Cover. 18-2.
LC-45GD6U 21.Remove the connectors from PWBs. 22.Remove the AV PWB. 22-1. Remove the 6 lock screws 20-1 and detach the AV PWB Unit. 22-2. Remove the 5 lock screws 20-2 and detach the AV Cover R. 23.Remove the 4 lock screws 21 and detach the DC/DC2 PWB. 24.Remove the 2 lock screws 22 and detach the 1 Bit Amp. 25.Remove the 4 lock screws 23 and detach the DC/DC1 PWB. 26.Remove the 6 lock screws 24 and detach the AC-INLET PWB. 27.Remove the 2 lock screws 25 and detach the TOP LCD CONTROLLER PWB. 28.
LC-45GD6U 35.Remove the 2 lock screws 36.Detach the Heat Sink. 37.Remove the 8 lock screws 38.Remove the 8 lock screws 39.Remove the 4 lock screws 33 and detach the R/C, LED PWB. 34 and detach the Angles. 35 and detach the Side Angles. 36 and detach the LCD Panel Unit Ass’y.
LC-45GD6U 40.Remove the 4 lock screws 37 from the LCD Panel Unit, and detach the LCD Panel Unit. 41.Remove the 14 lock screws 38 . Detach the Sheet Angle (Top), Sheet Angle (Bottom) and Sheet Angle (Side). 42.Detach the Prism, Diffusion and Reflection/Deflection Sheets and Diffusion Panel. 43.Remove the 4 lock screws 39 . Detach the Sheet Angle (Top) and Sheet Angle (Bottom). 44.Remove the 6 lock screws 40 . Detach the Sheet Angles (Side) and Lamp Holer Ass'y (top). 45.
LC-45GD6U PARTS LIST LISTE DES PIECES PARTS REPLACEMENT CHANGE DES PIECES Replacement parts which have these special safety characteristics identified in this manual; electrical components having such features are identified by å and shaded areas in the Replacement Parts Lists and Schematic Diagrams. The use of a substitute replacement part which dose no have the same safety characteristic as the factory recommended replacement parts shown in this service manual may create shock, fire or other hazards.
LC-45GD6U Ref. No. Part No.
LC-45GD6U Ref. No. ★ Part No. Description Code Ref. No.
LC-45GD6U Ref. No. ★ Part No. Description Code Ref. No.
LC-45GD6U CABINET AND MECHANICAL PARTS 127 142-3 131 H 132 142-2 3 115 142 E 3-1 3-3 142-3 142-4 3-2 132 127 142-2-1 142-2-2 3-4 142-1 p E 116 A 40 141 141-4 131 G 142-1-1 142-1-2 1-5 141-3 1-5 141-6 1-5 1-5 o 131 1-6 1-5 F 41 141-5 1-4 1-2 1-5 141-2 1-1 2-10 1-6 2-19 141-4 2-18 2-15 A 1-3 2-5 2-16 47 129 1 2-19 E 45 2-4 2-3 2-6 48 2 131 46 118 2-2 121 55 106 2-4 A 126 54 144 2-12 2-3 117 15-7-20 131 15 2-14 138 15-7-4 D AA I 2-19
LC-45GD6U H 15-18 15-7-27 15-17 15-7-23 15-3 15 15-7-9 15-7 15-3-2 15-3-1 15-7-22 15-14 15-4 15-7-12 15-7-29 15-7-26 15-7-22 15-21 J 15-7-9 15-7-23 15-3-3 15-4-1 G 15-7-12 15-7-22 15-4-2 15-16 15-4 15-7-26 15-7-10 15-7-22 15-22 15-14 15-23 15-7-20 15-14 ae 15-7-30 15-19 15-2-2 af 15-7-22 J 15-4-2 15-7-20 15-2-1 15-22 15-7-22 15-7-20 15-7-20 15-2-3 15-7-31 15-7-20 15-7-3 15-20 15-20 15-4-1 15-2 AC 15-22 F 15-7-20 V AF 15-7-6 Z 15-23 15-14 ah 15-1
LC-45GD6U Ref. No. Part No. ★ Description Code Ref. No. (NOT REPLACEMENT ITEM) SPAKCB722WJZZ SPAKCB673WJZZ SPAKPA423WJZZ SPAKPA377WJZZ SPAKPA458WJZZ SPAKXA657WJZZ SPAKXA658WJZZ SPAKXA659WJZZ SPAKFA687WJZZ TLABKA013WJZZ TLABK0001TAZZ SPAKL0023CEZZ – – – – – – – – – – – – Packing Case (Top) Packing Case (Bottom) Wrapping Paper (Set) Wrapping Paper (Stand Side) Wrapping Paper (Top) Buffer Material (Top) Buffer Material (Bottom) Buffer Material (Stand Side) Packing Case (for Accessory) No. Label No.
LC-45GD6U PACKING OF THE SET S6 S5 S6 S3 S4 S8 S7 S1 S12 S7 S10 S11 S12 S2 S12 S12 S9 X1 X2 X3 X4 X5 X6 27
LC-45GD6U COPYRIGHT © 2004 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. TQ1837-S Dec. 2004 Printed in Japan Design and Production Information Design : Japan Production : Japan SY.
