Sharp 4T-C70DK1X Service Manual
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Sharp 4T-C70DK1X Service Manual

Led backlight tv
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SAFETY PRECAUTION
SAFETY PRECAUTION......................... . ............i
[1]
MAJOR SERVICES PARTS................... . ....... 1-1
[1]
SPECIFICATION.................................... . ....... 2-1
[1]
OPERATION MANUAL .......................... . ....... 3-1
[1]
DIEMNSION........................................... . ....... 4-1
[1]
ADJUSTMENT ....................................... . ....... 5-1
[1]
TROUBLESHOOTING ........................... . ....... 6-1
[1]
GRAM .................................................... . ....... 7-1
[1]
MAJOR REMOVING PARTS ................. . ....... 8-1
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.
SERVICE MANUAL
LED BACKLIGHT TV
MODEL
CONTENTS
No. S72M754T-C70DK1XT
:4T-C70DK1X
( Taiwan )
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
Ver 1

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  • Page 1: Table Of Contents

    TopPage Ver 1 SERVICE MANUAL No. S72M754T-C70DK1XT LED BACKLIGHT TV :4T-C70DK1X MODEL ( Taiwan ) CONTENTS SAFETY PRECAUTION SAFETY PRECAUTION........i CHAPTER 1. OUTLINE MAJOR SERVICES PARTS......1-1 CHAPTER 2. SPECIFICATION SPECIFICATION..........2-1 CHAPTER 3. OPERATION MANUAL OPERATION MANUAL ......

  • Page 2: Safety Precaution

    4T-C70DK1X SAFETY PRECAUTION SAFETY PRECAUTION SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING All checks must be repeated with the AC cord plug connection reversed.
  • Page 3 4T-C70DK1X PRECAUTIONS FOR USING LEAD-FREE SOLDER 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 oflead-free solder.

  • Page 4: Chapter 1. Outline

    4T-C70DK1X CHAPTER 1. OUTLINE [1] MAJOR SERVICES PARTS OUTLINE MAJOR SERVICE PARTS 4T-C70DK1X PRINTED WIRING BOARD ASSEMBLIES DKEYMH219FM02 MAIN UNIT (T) RUNTKB731WJQZ2 KEY UNIT DUNTKH135FMA2 LED IR UNIT DUNTK0334WMB4 T CON RUNTKC009WJN1 WIFI UNIT RUNTKB823WJZZ LED BAR RUNTKB856WJN1 POWER UNIT...

  • Page 5: Chapter 2. Specification

    Customers should not attempt to do the work themselves. SHARP bears no responsibility for improper mounting or mounting that results in accident or injury. • Carefully read the instructions that come with the bracket before beginning work.

  • Page 6: Chapter 3. Operation Manual

     與兩個或更多人一起工作。     抬起時請勿抓住 顯示器的角。 Work with two or more people. Do not grab the corners of the Monitor when lifting.  安裝完成前請勿取下保護墊。 Do not remove the protective pad until the installation is completed. 4T-C70DL1X / 4T-C70DK1X Soft cushion 螺絲釘 Screws 台座 “R”...

  • Page 7: Chapter 4. Dimension

    4T-C70DK1X CHAPTER 4. DIMENSION [1] DIEMNSION Dimensional Drawing (Continued) 4T-C70DK1X Unit : mm 1564 1541 1451 4 – 1...

  • Page 8: Chapter 5. Adjustment

    CHAPTER . ADJUSTMENT [1] ADJUSTMENT [1] ADJUSTMENT PROCEDURE 1. Entering and cancel the adjustment process mode 1) Plug in the AC cord to turn on the power. Press the tools button at R/C. 2) At TV option, select advanced option and press special code “8678”, it will enter to factory service menu. 3) To exit, just press << button.  2. Remote controller key operation and description of display in adjustment process mode. 1.
  • Page 9 4T-C70DK1X 3. So ware Upgrading So ware upgrading using USB. 1) Plug OFF the LCD TV. 2) Insert the USB device to the USB terminal at the LCD TV. 3) Plug ON the LCD TV. 4) A few second later, the so ware upgrading will start automa cally.
  • Page 10 4T-C70DK1X LCD-TV ADJUSTMENT ITEM MICON SOFTWARE DATA INPUT Main MICON/Monitor MICON Software Data Input V-COM ADJUSTMENT SOFTWARE VERSION WRITING CHANNEL PRE-SET DATA WHITE BALANCE / GAMMA ADJUSTMENT WHITE BALANCE ADJUSTMENT. White Balance Adjustment a) Setting (R/C, COM) b) Auto Adjustment...
  • Page 11 4T-C70DK1X LCD TV ADJUSTMENT ITEM MICON SOFTWARE DATA INPUT 1) Main MICON/Monitor MICON Software Data Input (Main PWB : QPWBNH188WJ**) ITEM CONDITION PROCEDURE Main MICON Checker Data input by Gang Programmer SOC IC : Data Input adjustment RH-IXE260WJQZQ Input Data: .bin file...
  • Page 12 4T-C70DK1X A. WHITE BALANCE ADJUSTMENT. White Balance Adjustment / Gamma Adjustment ITEM CONDITION PROCEDURE For the details of white balance adjustment procedure, please refer to white balance adjustment spec for Kameyama model. Setting AV Mode : DYNAMIC Backlight : MAX 1.
  • Page 13 4T-C70DK1X (19) Shut down the AC power. Initial value at RGB 2 point : 3664 Initial value at RGB 1 point : [Adjustment value] Teaching set send by engineering dept is set as reference. [Reference values for adjustment reference] Equipment : Luminance meter [Minolta CS-2000]...
  • Page 14 4T-C70DK1X KEY DATA INPUT MAC Address Data Input (Main PWB: QPWBNH188WJZZ : 60”, QPWBNH210WJZZ : 70” Please refer to Caution Item for Production Widevine (Main PWB: QPWBNH188WJZZ : 60”, QPWBNH210WJZZ : 70”) Widevine for Philippines destination different with Asia Destination...
  • Page 15 4T-C70DK1X Dimmer/Key Dimmer PT1 Dimmer PT2 Dimmer PD1 Dimmer PD2 MAC ADDRESS 12:34:56:AB:CD:EF WIFI MAC ADDRESS F4:93:9F:FA:A1:FF NETFLIX MGK ID ANDROIDTV2019ASIA4KREF-MGK000004587541 WIDEVINE DEVICE ID LCD02F09FFC94F788 PLAY READY 4K-CXXBX1X HDCP1.4 1903180F42400400000000 HDCP2.2 1905080008FB01F64634BC2F HDCP2.2 RECEIVER ID F64634BC2A HASH KEY 8DF3 KEY MASTER...
  • Page 16 4T-C70DK1X **Wifi Region setting in Factory Menu for each destinations model as below: MODEL (4T-C70DL1X) DESTINATION DESTINATION SETTING A3KLTDL1SZ GROUP 11 A3KLTDL1SJ GROUP 7 A3KLTDL1SI STID, SEID GROUP 6 A3KLTDL1SY GROUP 2 A3KLTDL1SP GROUP 8 A3KLTDL1SB STCL GROUP 2 SMEF-N...
  • Page 17 4T-C70DK1X FACTORY SETTING AC power is plug off after shipment setting is done. Caution: Do not plug on again after shipment setting is done. If do, please re-do the shipment setting. Do not off with remote control. ITEM CONDITION PROCEDURE...

  • Page 18: Chapter 6. Troubleshooting

    4T-C70DK1X CHAPTER 6. TROUBLESHOOTING [1] TROUBLESHOOTING POWER ON FAILURE Is POWER LED indicator ligh ng green ? Is POWERLED indicator blinking red or green ? Check Power unit and AC power code. Push "HOME" key of RemoteController, then a TIMER LED indicator becomes blinking.
  • Page 19 4T-C70DK1X ERR STBY TABLE 6 – 2...
  • Page 20 4T-C70DK1X 6 – 3...
  • Page 21 4T-C70DK1X No Video（3） No Video at Digital Broadcast signal reception 3pin(DEMOD̲SYNC)、4pin(DEMOD̲DEN)、5pin(DEMOD̲CLK)、8pin(DEMOD̲D0)、9pin(DEMOD̲D EMOD̲D2)、 13pin(DEMOD̲D3)、14pin(DEMOD̲D4)、15pin(DEMOD̲D5)、16pin(DEMOD̲D6)、17pin(DEMOD̲ D22 pin(DEMOD̲SYNC)、E22 pin(DEMOD̲DEN)、D21 pin(DEMOD̲CLK)、F22 pin(DEMOD̲D0)、C2 pin(DEMOD̲D1)、 A24 pin(DEMOD̲D2)、E23 pin(DEMOD̲D3)、F23 pin(DEMOD̲D4)、G23 pin(DEMOD̲D5)、C25  pin(DEMOD̲D6)、 Go to "PICTURE FAILURE（FRC）". 6 – 4...
  • Page 22 4T-C70DK1X Go to "PICTURE FAILURE（FRC）". Go to "PICTURE FAILURE（FRC）". 6 – 5...
  • Page 23 4T-C70DK1X Go to "PICTURE FAILURE（FRC）". Go to "PICTURE FAILURE（FRC）". 6 – 6...
  • Page 24 4T-C70DK1X Is it set to "Mode 2" in "Setting" →  "Function switching" → "External  terminal setting" → "Input / audio  （ C） Go to "PICTURE FAILURE（FRC）". 6 – 7...
  • Page 25 4T-C70DK1X 6 – 8...
  • Page 26 4T-C70DK1X No Picture（1) Input5 - CVBS （ ） Go to ”PICTURE FAILURE（FRC）” 6 – 9...
  • Page 27 4T-C70DK1X 6 – 10...
  • Page 28 4T-C70DK1X PICTURE FAILURE（FRC） Are TL9212（LOCKN̲TX̲VB） and  TL9213（HTPDN̲TX̲VB） Low? check VA、VB harness and T-CON Are C9456〜C9471 (side IC9401)  【edge back light】 【direct back light】 check LB harness and LED Dr Unit    Is TL2932(FRC̲1.5V） 1.5V? Is TL2901(FRC̲1.0V） 1V? oscillating?（24MHz） 6 – 11...
  • Page 29 4T-C70DK1X REC FAILURE(1)  Cannot record digital broadcast program to USB-HDD 16pin(DIF̲N2)、15pin(DIF̲P2) 18pin(SAT̲IP2)、17pin(SAT̲QP2)  23pin(DIF̲N3)、24pin(DIF̲P3) 26pin(SAT̲IP3)、25pin(SAT̲QP3) 9pin(SAT̲IP2)、10pin(SAT̲QP2) 29pin（DIF̲N2）、30in（DIF̲P2） 5pin(SAT̲IP3)、6pin(SAT̲QP3) 23pin（DIF̲N3）、22in（DIF̲P3） S-REC : 100pin(DEMOD2̲CLK)、102pin(DEMOD2̲D0)、103pin(DEMOD2̲SYNC)、104pin(DEMOD2̲DEN) W-REC : 112pin(DEMOD3̲CLK)、114pin(DEMOD3̲D0)、115pin(DEMOD3̲SYNC)、116pin(DEMOD3̲DEN) S-REC : E11 pin(DEMOD2̲CLK)、C11 pin(DEMOD2̲D0)、E10 pin(DEMOD2̲SYNC)、F10 pin(DEMOD2̲DEN) W-REC3rd :C4 pin(DEMOD3̲CLK)、E13 pin(DEMOD3̲D0)、D5 pin(DEMOD3̲SYNC)、D4 pin(DEMOD3̲DEN) Go to "USB FAILURE（2）".  6 – 12...
  • Page 30 4T-C70DK1X Check AVDD10̲STB 1.05V power supply to IC3303.(at FB3303 え ピン 参考波形 端子 6 – 13...
  • Page 31 4T-C70DK1X PICTURE FAILURE（FRC） Are TL9212（LOCKN̲TX̲VB） and  TL9213（HTPDN̲TX̲VB） Low? check VA、VB harness and T-CON Are C9456〜C9471 (side IC9401)  【edge back light】 【direct back light】 check LB harness and LED Dr Unit    Is TL2932(FRC̲1.5V） 1.5V? Is TL2901(FRC̲1.0V） 1V? oscillating?（24MHz） 6 – 14...

  • Page 32: Chapter 7. Description Of Schematic Daigram

    4T-C70DK1X CHAPTER 7. DESCRIPTION SCHEMATIC DAIGRAM [1] DESCRIPTION OF SCHEMATIC DIA- GRAM 7 – 1...
  • Page 33 4T-C70DK1X 7 – 2...
  • Page 34 4T-C70DK1X 7 – 3...
  • Page 35 4T-C70DK1X 7 – 4...
  • Page 36 4T-C70DK1X 7 – 5...
  • Page 37 4T-C70DK1X 7 – 6...
  • Page 38 4T-C70DK1X 7 – 7...
  • Page 39 4T-C70DK1X H219 PATTERN 1 7 – 8...
  • Page 40 4T-C70DK1X H219 PATTERN 2 7 – 9...
  • Page 41 4T-C70DK1X H219 SYMBOL 1 7 – 10...
  • Page 42 4T-C70DK1X H219 SYMBOL 2 7 – 11...
  • Page 43 4T-C70DK1X H219 CHIP 1 TP1103 C9636 C9637 R9623 C9635 R9620 L9605 IC9607 C9607 R9618 L9603 C9608 R9602 C9680 C9606 R9604 IC9609 R9629 C9663 R9624 R9603 R9646 IC9602 C9601 R9644 C9669 R9628 LUG3305 FB9620 C9604 IC9605 L9602 R9658 C9624 R9625 L9601...
  • Page 44 4T-C70DK1X H219 CHIP 2 TL9604 T L 1 1 0 1 TL9612 TL9605 TL9621 TL9613 TL9607 TL510 TL9617 TL9606 TL9601 TL9615 TL9610 TL9614 TL9602 T L 9 6 2 0 TL9616 TL9628 T P 3 3 0 7 TL9611 TP1101...

  • Page 45: Chapter 8. Major Removing Parts Major Removing Parts

    4T-C70DK1X CHAPTER 8. MAJOR REMOVING PARTS [1] MAJOR REMOVING PARTS Assemble and Disassemble Cab-B 4T-C70DK1X 1. Unscrew the screw point (pointed by arrow) Stand cover need to unscrew first and detach 8 – 1...
  • Page 46 4T-C70DK1X 2. Open up Cab-B Left and Cab-B Right Need to press down a bit and slide Cab-B out (slot mechanism) 3. Unscrew the remaining screw point (Centre Cab-B) 8 – 2...

  • Page 47: Parts Guide

    SUPPLIED ACCESSORIES ( 4T- ASSEMBLIES C70DK1X ) LCD PANEL PACKING PARTS NOT REPLACE- MENT ITEM ( 4T-C70DK1X ) MAIN UNIT ( DKEYMH219FM02 ) CABINET & MECHANICAL PARTS ( 4T-C70DK1X ) 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.
  • Page 48 4T-C70DK1X [1] PRINTED WIRING BOARD ASSEMBLIES MAIN UNIT (T) DKEYMH219FM02 KEY UNIT RUNTKB731WJQZ2 LED IR UNIT DUNTKH135FMA2 DUNTK0334WMB4 T CON RUNTKC009WJN1 WIFI UNIT LED BAR RUNTKB823WJZZ POWER UNIT RUNTKB856WJN1 WIFI UNIT RUNTKC009WJN1 PT WIRE QCNW-R969WJPZ WIFI WIRE QCNW-T328WJPZ [2] LCD PANEL...
  • Page 49 4T-C70DK1X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT ( DKEYMH219FM02 ) FB3828 BALUN RBLN-A593WJQZY FB3829 BALUN RBLN-A593WJQZY FB510 BALUN RBLN-A593WJQZY FB512 BALUN RBLN-A593WJQZY FB513 BALUN RBLN-A593WJQZY FB514 RBLN-A593WJQZY BALUN FB9603 BALUN RBLN-A593WJQZY FB9605 BALUN RBLN-A593WJQZY FB9612...
  • Page 50 4T-C70DK1X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT ( DKEYMH219FM02 ) C9641 CAPACITOR RC-KZB134WJQZY C9643 CAPACITOR RC-KZB134WJQZY C9645 CAPACITOR RC-KZB134WJQZY C9646 CAPACITOR RC-KZB134WJQZY C9647 CAPACITOR RC-KZB134WJQZY C9669 RC-KZB134WJQZY CAPACITOR C9670 CAPACITOR RC-KZB134WJQZY C9679 CAPACITOR RC-KZB134WJQZY C3316...
  • Page 51 4T-C70DK1X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT ( DKEYMH219FM02 ) C9652 CAPACITOR RC-KZC742WJQZY L3801 COIL RCILFA154WJZZY L3802 COIL RCILFA154WJZZY L3803 COIL RCILFA154WJZZY L3804 COIL RCILFA154WJZZY L3805 RCILFA154WJZZY COIL L3806 COIL RCILFA154WJZZY L3807 COIL RCILFA154WJZZY L3808...
  • Page 52 4T-C70DK1X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT ( DKEYMH219FM02 ) C3816 0.10 10V Ceramic VCKYCZ1AB104KY C1121 0.022 16V Ceramic VCKYCZ1CB223KY C1713 0.022 16V Ceramic VCKYCZ1CB223KY C1716 0.022 16V Ceramic VCKYCZ1CB223KY C1718 0.022 16V Ceramic VCKYCZ1CB223KY...
  • Page 53 4T-C70DK1X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT ( DKEYMH219FM02 ) R554 0 1/16W Metal Oxide VRS-CZ1JF000JY R555 0 1/16W Metal Oxide VRS-CZ1JF000JY R570 0 1/16W Metal Oxide VRS-CZ1JF000JY R571 0 1/16W Metal Oxide VRS-CZ1JF000JY R9603...
  • Page 54 4T-C70DK1X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT ( DKEYMH219FM02 ) R9641 10k 1/16W Metal Oxide VRS-CZ1JF103JY R9650 10k 1/16W Metal Oxide VRS-CZ1JF103JY R9661 10k 1/16W Metal Oxide VRS-CZ1JF103JY R9657 100k 1/16W Metal Oxide VRS-CZ1JF104FY R1709...
  • Page 55 RRH140P03GZETB VSRRH140P03-1Y Q9602 UM6K33NTN VSUM6K33N++-1Y E3302 HEAT SINK PRDARB474WJFW P1101 QPLGNB921WJZZ PLUG [4] CABINET & MECHANICAL PARTS ( 4T-C70DK1X ) Stand Assembly CDAI-B326WJ21 KS Bezel Top CWAKMA252WJ21 KS Bezel L CWAKMA253WJ21 KS Bezel R CWAKMA254WJ21 KS Bezel Bottom CWAKMA328WJ21 BL Chassis...
  • Page 56 4T-C70DK1X [5] SUPPLIED ACCESSORIES ( 4T-C70DK1X ) [6] PACKING PARTS NOT REPLACEMENT ITEM ( 4T-C70DK1X ) P-CASE TOP (For Asia and SMEF dest) SPAKCK914WJ42 P-CASE TOP (For STE only) SPAKCK921WJ41 PP BAND ZBANDP1563M1E TOP AD SPAKXF906WJZZ SIDE-L AD SPAKXF908WJZZ SIDE-R AD...
  • Page 57 4T-C70DK1X Packing Assembly...
  • Page 58 Supplied accessories 3 Initial setup guide 1 Remote control unit (m 1) 2 “AAA” size battery (m 2) 4 Stand unit 4T-C70DK1X 7 Stand base 8 Screws...
  • Page 59 EndPage ©  COPYRIGHT  XXXX BY  SHARP CORPORATION COPYRIGHT 2021 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, COPYRIGHT  XXXX BY  SHARP CORPORATION photocopying, recording, or otherwise, without prior written permission of the publisher. 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. RQ383 Jul 2022 Printed in Ma laysia SHARP MANUFACTURING Design and Production Information CORPORATION (M) SDN. BHD Design :SEM PQA DEPARTMENT Production :SMM Batu Pahat, Johor, LIM SL SMM Malaysia  ‒ 1...

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