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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.
• SERVICING NOTICES ON CHECKING ................................................................................................A1-1
• HOW TO ORDER PARTS ................................................................................................................... A1-1
• IMPORTANT .................................................................................................................................... A1-1
• ABOUT LEAD FREE SOLDER (PbF) ..................................................................................................... A1-2
• CAUTION WHEN REMOVE THE REAR CABINET................................................................................... A1-2
• HOTEL MODE FUNCTION ................................................................................................................. A1-3
• GENERAL SPECIFICATIONS ............................................................................................................A2-1~A2-6
• DISASSEMBLY INSTRUCTIONS ....................................................................................................... B1-1~B2-2
• HOW TO UPGRADE SOFTWARE ......................................................................................................C-1
• ELECTRICAL ADJUSTMENTS........................................................................................................... D-1, D-2
• TROUBLESHOOTING GUIDE ............................................................................................................. E-1~E-5
• BLOCK DIAGRAM ............................................................................................................................. F-1, F-2
• PRINTED CIRCUIT BOARDS .............................................................................................................G-1
• SCHEMATIC DIAGRAMS ................................................................................................................. H-1, H-2
• WAVEFORMS .................................................................................................................................. I-1
• MECHANICAL EXPLODED VIEWS ................................................................................. .................. J1-1, J1-2
• REPLACEMENT PARTS LIST ............................................................................................................. K1~K3
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with
!
specified ones for maintaining the safety and performance of the set.
SHARP CORPORATION
SERVICE MANUAL
LED BACKLIGHT TV
MODEL
CONTENTS
LC-23LE448RU
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
S84O3LC23LE44
20-08-2014
Page
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Summary of Contents for Sharp LC-23LE448RU
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Page 1: Table Of Contents
SERVICE MANUAL S84O3LC23LE44 20-08-2014 LED BACKLIGHT TV LC-23LE448RU MODEL 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. -
Page 2: Servicing Notices On Checking
SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. PERFORM A SAFETY CHECK AFTER SERVICING As for the places which need special attentions, they are indicated with the labels or seals on the Confirm that the screws, parts and wiring which cabinet, chassis and parts. -
Page 3: About Lead Free Solder (Pbf)
ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF printing on the PCB. (Please refer to figures.) Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 86 F~104 F(30... -
Page 4: Hotel Mode Function
HOTEL MODE FUNCTION To set the Hotel mode, please follow the steps below. Hotel Mode 1. Press the MENU---> 1147 button on the remote control. 2. Press the DOWN button on the remote control, 3. Select the "GENERAL SETTING" menu , then press ENTER button. 4. -
Page 5: General Specifications
EPG Timer w/o EPG Timer 1 W at AC 230 V 50 Hz Per Year kWh/Year Protector Power Fuse IEC60065 Ed.7:2001+Amd.1:2005, EAC(applied by Regulation Safety Sharp) Radiation EN55013,EN55020,EN55022 IEC61000-3-2, IEC61000-3-3 X-Radiation Temperature Operation C ~ +40 Storage C ~ +60... - Page 6 GENERAL SPECIFICATIONS (continued) Sleep Mute Volume Up / Volume Down / Volume Up Volume Down CH Down CH Up Menu MEDIA Enter / CH List Return / Index Freeze frame Quick View Audio 1/2 TV/Radio Subtitle T'TEXT Keys TV / TEXT / MIX Reveal HOLD Freeze Frame enable...
- Page 7 GENERAL SPECIFICATIONS (continued) Audio Sound Mode Tone Control (Bass/Treble/Balance) Surround Equalizer Speaker Auto Volume SRS WOW (SRS 3D/Focus/Tru Bass) Variable Audio Out Tuning Auto Tuning Manual Tuning Update Scan CH Skip CH Move CH Del Fine Tuning Lock Key Lock Channel Lock Parental Lock (Digital) Hotel Lock...
- Page 8 GENERAL SPECIFICATIONS (continued) MPEG HE AAC USB Media Player Photo JPEG (.jpg/.jpeg), BMP (.bmp), PNG (.png) Music MP3 (.mp3), WMA (.wma), AAC (.aac/.m4a) Video Container AVI (.avi), MKV (.mkv), MP4 (.mp4), PS (.mpg), TS (.ts/.trp), VOB (.vob) DIVX(.div/.divx/.avi/.mp4), MOV(.mov) Video Codec Xvid, MPEG1, MPEG2, MPEG4 SP/ASP, MJPEG, H.264, DIVX Audio Codec...
- Page 9 GENERAL SPECIFICATIONS (continued) G-11 Accessories Owner's Manual Language Russian/Kazak (w/EAC number) w/Guarantee Card Remote Control Unit DVB-T Antenna U/V Mixer Information Sheet (VESA) DC Car Cord (Center+) Warranty card Yes(w/Serial No, Model No. label) EAC Safety sheet Yes ( for AUG'14 O/R only) Warning Sheet Circuit Diagram Antenna Change Plug...
- Page 10 G-16 Material Cabinet Cabinet Front PS 94HB (Piano) Cabinet Rear PS 94V0 NON-DECABROM Speaker Box Stand PS 94HB (Piano) Non-Halogen Eyelet G-17 Environment Environmental standard requirement Green procurement of SHARP Pb- Free Phase3(PHASE3A) Measures for Whisker WEEE A2-6...
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Page 11: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF MECHANICAL PARTS 1-3: MAIN UNIT (Refer to Fig. 1-3) AND P.C. BOARDS 1. Remove the 5 screws (1). 2. Remove the Shield Main in the direction of arrow (A). 3. Disconnect the following connectors: (CN12 and CNB802). CAUTION •... - Page 12 DISASSEMBLY INSTRUCTIONS (continued) 2. REMOVAL AND INSTALLATION OF 3. When IC starts moving back and forth easily after FLAT PACKAGE IC desoldering completely, pickup the corner of the IC using tweezers and remove the IC by moving with the IC REMOVAL desoldering machine.
- Page 13 DISASSEMBLY INSTRUCTIONS (continued) INSTALLATION 4. When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a 1. Take care of the polarity of new IC and then install the Thintip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
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Page 14: How To Upgrade Software
HOW TO UPGRADE SOFTWARE 1 Turn off and Unplug the AC cord. 2 Connect the USB storage device into the Media input terminal while turning off. 3 Insert the AC cord plug and press hold Power untill the flashing. 4 If the LED light is flashing, Power Key is leaved, Then wait 50 sec. after that let update data. (Do not be closed the light while updating. -
Page 15: Electrical Adjustments
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS 2-1: WHITE BALANCE Prepare the following measurement tools for electrical adjustments. Place the set in Aging Test for more than 15 minutes. Pattern Generator Please select input About mode to adjust COLOR TEMP. Receive the gray scale pattern from the Pattern On-Screen Display Adjustment Generator. - Page 16 ELECTRICAL ADJUSTMENTS (continued) 3. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) LCD PANEL CD503 AC IN MAIN UNIT CNB1 CNB802 CN12 CN18 SP301 SPEAKER CP2202 OPERATION PCB CD2201 OS2201 CP2201 REMOCON PCB...
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Page 17: Troubleshooting Guide
TROUBLESHOOTING GUIDE (LCD SECTION) Power does not turn on AC cord is connected Connect AC Cord to CNB1 to the CNB1? Check FB1 Broken. Change FB1 Does 2 pins of DB101 have Change DB101 the voltage of 12V? Does 2 pins of DB102 Change DB102 have the voltage of 6.5V? Change Main board. - Page 18 TROUBLESHOOTING GUIDE (continued) The Picture appears, but the audio does not appears Is Speaker connected? Connect Speaker Is there signal at pins 1 Change Speaker and 4 of CN18? N N o Change Main board...
- Page 19 TROUBLESHOOTING GUIDE (continued) Panel does not light. CP2000 is connected Connect CP2000 to CNB802 to the CNB802? Does 1 3 pins of CNB802 have the voltage of 11V? Change Panel Does 1 pins of UB801 have Change UB801 the voltage of 12V? Change Main board...
- Page 20 TROUBLESHOOTING GUIDE (continued) The picure does not appear CD2801 is connected Connect CD2801 to CN12 to the CN12? CD2801 is Connect CD2801 to Panel connected to the Panel? CN12 have signal and voltage of 12V? Change panel Change Main board...
- Page 21 TROUBLESHOOTING GUIDE (continued) The color does not appear Is Setting of color Normal? Adjust the color setting Is the color signal received? Receive the color signal. Check U9(TSUMV59XE) and Is there color signal at IC U9? peripheral circuit. Change Main board...
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Page 22: Block Diagram
BLOCK DIAGRAM... - Page 23 BLOCK DIAGRAM (continued) Power...
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Page 24: Printed Circuit Boards
PRINTED CIRCUIT BOARDS OPERATION (INSERTED PARTS) REMOCON (INSERTED PARTS) SOLDER SIDE SOLDER SIDE CEM846A CP2201 CEM844A OPERATION (CHIP MOUNTED PARTS) REMOCON (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE C2202 C2201 CEM844A R2209 CEM846A R2208... -
Page 25: Schematic Diagrams
SCHEMATIC DIAGRAMS... - Page 26 SCHEMATIC DIAGRAMS (continued)
- Page 27 SCHEMATIC DIAGRAMS (continued) Main Unit...
- Page 28 SCHEMATIC DIAGRAMS (continued) Main Unit...
- Page 29 SCHEMATIC DIAGRAMS (continued) Main Unit...
- Page 30 SCHEMATIC DIAGRAMS (continued) Main Unit...
- Page 31 SCHEMATIC DIAGRAMS (continued) Main Unit...
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Page 32: Waveforms
WAVEFORMS... -
Page 33: Mechanical Exploded Views
MECHANICAL EXPLODED VIEW J1-1... - Page 34 MECHANICAL EXPLODED VIEW (continued) TM101 SCREW ASS'Y, PACKAGE TOP POLYBAG INSTRUCTION (RED CAUTION), GUARANTEE CARD, INSTRUCTION BOOK(RU/KZ), EAC SAFETY SHEET FILM BAG (9JD791WHAA558) FILM BAG (9JD791WHAA549) PACKAGE BOTTOM PACKAGE BOTTOM HANDLE STOPPER GIFT BOX HANDLE J1-2...
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Page 35: Replacement Parts List
PARTS GUIDE PRICE Part PARTS CODE DESCRIPTION RANK MARK Delivery MECHANICAL REPLACEMENT PARTS LIST 9JD7A7080106C FRONT CABI ASS'Y 101A 9JD708WPD0085 CABINET FRONT 101B 9JD711WPD0826 PALTE FRONT 101C 9JD713WPA0478 GLASS LED 101D 9JD92P20A023A CUSHION BEZEL 101E 9JD92P200042A CUSHION BEZEL 9JD7A7020450A COVER BACK ASS'Y 102A 9JD702WPAC172 COVER BACK... - Page 36 PARTS GUIDE (continued) PRICE Part PARTS CODE DESCRIPTION RANK MARK Delivery ELECTRICAL REPLACEMENT PARTS LIST REMOCON PCB ASS'Y *** PCB *** PCBDA0 9JDA3SS05XDA0 REMOCON PCB ASS'Y CEM846A *** RESISTORS *** R2208 9JDR803R9470J RC, 47 OHM 1/16W R2209 9JDR803R9331J RC, 330 OHM 1/16W R2210 9JDR803R9331J RC, 330 OHM 1/16W...
- Page 37 PARTS GUIDE (continued) PRICE Part PARTS CODE DESCRIPTION RANK MARK Delivery MAIN PARTS IN MAIN UNIT NTCB1 9JD080XU05006 FUSE, SCK15056MBY502 QB101 9JDTKF04N60B0 FET, MDF4N60BTH QB102 9JDTTFA3906L0 FET, LMBT3906LT1G UB101 9JDIM2F975370 IC, LD7537RGL UB801 9JDIM2F933500 IC, OB3350CPA QB801 9JDTKFTOD4420 Transistor, AOD442 UD11 9JDIM2F0275G0 IC, RT7257GHZSP...
- Page 38 COPYRIGHT © 2014 BY SHARP CORPORATION ALL RIGHTS RESERVED 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.