DigiMedia Service Manual LCD TV For LT26HVX
Contents
1. No connection GND GND PR HD PR OUT HD PB HD PB OUT HD Y HD Y OUT SV SEL1 S Video SEL GND GND ALO SC2 Scat2 AUDIO L CH IN ARO SC2 Scat2 AUDIO CH IN ALO SC1 Scatl AUDIO L CH IN ARO SC1 Scartl AUDIO CHIN GND GND L YCBCR AUDIO L CH IN YCBCR_R YCBCR AUDIO R CH IN HDTV L HDTV L AUDIO L CH IN L AUDIO R CHIN GND GND SIF1 OUT SIF formret_OUT1 SIF2 OUT SIF forret_OUT2 GND GND IF 2 Tuner2 CVBS OUT IF TUICVBS Tunerl CVBS OUT E DigiMedia Service Manual Doc No IE LCD TV For LT26HVX une uu 3l GND 32 V12 SYS2 XV IN 33 NC No connection 34 NC No connection 35 V12 SYS2 XV IN 36 PC2DTV_TX O PC TO DTV_TX OUT 37 PC2DIV RX O PC TO OUT 38 S2DTV_TX O SYS TO DTV TX OUT 39 S2DTV_RX O SYS TO DTV_RX OUT 40 RESETn O RESET 41 GND GND 42 CVBS 1 O CVBS1 OUT 43 IF YCVBS O SVIDEOL Y OUT 44 IF C O S VIDEO1 C OUT 45 GND GND 46 OCVBS SC2 Scart2 cvbs IN 47 IF CR O YCBCR_CR OUT 48 IF YCBCR CB OUT 49 IF Y O YCBCR_Y OUT 50 GND GND 51 DTV_PR O DTV_PrOUT 52 O DTV_PbOUT 53 DTV_Y O DTV_Y OUT 54 TPA_MODE O CHECK EAR2. olon olun asun ie E DigiMedia TITLE Service Manual Du No LCD TV For LT26HVX ersion Page 13 34 Function Power Input 2 Connector type M11 125002 Specification CNNT M 11PIN pitch 2 5mm DIP straight Pin Definition 1 1D DC Power 12V 2 V12 DC Power 12V 3 A12 DC Power IN 4 GND GND 5 GND GND 6 GND GND 7 12V DC Power 12V 8 GND GND 9 12V DC Power 12V IN 10 GND GND 11 GND GND Function Audio Out R Channel Connector type M3 125002 Specification CNNT M 3PIN pitch 2 5mm DIP straight red Negative Audio Out R No comedion Positive OAudio Out Function Audio Out L Channel Connector type M3 I25002 Pecification CNNT M 3PIN pitch 2 5mm DIP straight white Negative Audio Out L No comedion Positive OAudio Out L E n E DigiMedia Doc No Version 1 0 Page 14 34 Service Manual LCD For LT26HVX AV BOARD Function TUNER OUT OUT Connector type BOARD TO BOARD Specification 2 557100 1 CNNT Dip Right Angle M 80PIN 1 27mm 0 5A Board to Board CHKTNRI Pin Definition CHECK AV Board In V5 TUNER POWER IN 5V V5 TUNER POWER IN 5V GND GND GND GND NC No connection NC No connection NC No connection
3. No Reinstall F W Yes Check remote control Change remote DE control battery Yes Check keypad board M Please connection connection into system board the keypad board into system board Yes Replace Keypad or remote control or system board OUS E DigiMedia Service Manual TELS LCD TV For LT26HVX 0 Page 26 34 4 Firmware upgrade applications 1 Update Firmware tools 1 PC Notebook 2 transmission line as Figurel 3 Sofeware MtkTool exe COMPR DLL MTKDLL DLL 2 Cable switch on D side refer Figure2 5 Dam En ASS m i x Figure2 rat 3 Insert the power cord and RS232 cable 4 Insert RS232 cable in Mouse socket or RS232 socket refer Figure3 and other side insert to service socket on TV refer Figure4 and Figure5 5 There are some files should be in directory MtkTool exe COMPR DLL MTKDLL DLL hh DEL Figure6 6 Execute MtkTool exe step 6 and step 7 please refer Figure 6 7 Make sure IC model is MT8205 serial connection is correct default is COM1 and baud rate Ib DigiMedia Service Manual Doc No TITLE Version 1 0 LCD TV For LT26HVX Page 27 34 is 115200 Click the Browse of Load Bin file option to choose the correct firmware Click the bottom of Upgrade System will start upgrade firmware
4. O P32 3 7 Power iia P33 5 LCD Panel errar iia ciens P34 E DigiMedia TITLE Version 1 0 Doc No Service Manual LCD TV For LT26HVX Page 3 34 1 Introduction 1 1 Preface This service manual aims directly at the module of LCD TV It offers the simple repair which emphasizes on technique explanation and production troubles to remove for the engineers and technicians who have electronic background 1 2 Caution Be sure to read those manual before servicing To assure safety from fire electric shock injury harmful radiation and materials various measures are provided in this Digimedia LCD TV Be sure to read cautionary items described in the manual to maintain safety before servicing 1 3 Warning 1 Remember to unplug the AC cord from the AC outlet before cleaning the product And do not use liquid cleaners or aerosol cleaners to clean the display Do not place the product on an unstable place It can cause the product to fall resulting in serious personal injuries as well as damage to the product In case the product needs replacement parts make sure that the service person uses replacement parts specified by the manufacturer or those with the same characteristics and performance as the original parts Use of unauthorized parts can result in fire electric shock and or other danger Do not overload AC outlets or extension cords
5. NC No comedion GND NC No connection NC No connection NC No connection GND GND GND GND GND GND TXE3P Positive LVDS differentia deta output TXE3N Negative LVDS differentia data outpu TXECKP Positive LVDS differentia clock out TXECKN Negative LVDS differentia clock ou GND GND GND GND TXE2P Positive LVDS differential deta output i WI E c E DigiMedia TITLE Service Mannal a 1 0 LCD For LT26HVX 1234 16 TXE2N O Negative LVDS differential data output 17 TXE1P O Positive LVDS differentia data output 18 TXEIN O Negative LVDS differential data output 19 TXEOP O Positive LVDS differential data output 20 TXEON O Negative LVDS differential data output 21 GND E GND 22 GND GND 23 GND GND 24 GND GND 25 GND GND 26 5 0V power supply 27 VCC 5 0V power supply 28 VCC 5 0V power supply 29 VCC 5 0V power supply 30 VCC 5 0V power supply Function Power Input 1 Connector type M15 125002 Specification CNNT M 15PIN pitch 2 5mm DIP straight Pin Definition DC Power 5V IN DC Power 5V IN A5 DC Power 5V IN A5 DC Power 5V IN A5 DC Power 5V IN GND GND GND GND GND GND GND GND A5 DC Power 5V IN GND GND LCD INVON Inverter OryOff PWSTBY Standby Mode Power 5V BRI Backlight Brightness Control GND GND
6. TN ES LA 1 Please finish the step 5 1 and 5 2 to take apart the Interface module and Stand Module first 2 Loosen 11 screws as red circles 3 Take apart the Back Cover and TV Service Manual Doc No TITLE Version 1 0 LCD TV For LT26HVX Page 31 34 5 4 System board Figurel mE Figure2 1 Please loosen 8 screws as red circles of Figurel the screw locations are around the Shielding every side has 2 screws 2 Loosen 1 screw as blue circles of Figure2 3 Take apart the shailding 4 Please pull out of all wires 5 Loosen 4 screws as red circles 6 Take apart the System Board TITLE Service Manual LCD TV For LT26HVX Doc No Version 1 0 Page 32 34 5 5 Keypad board 1 Please loosen 5 screws as red circles 2 Take off all of connector as blue circle 5 6 Speaker Right side 1 You need pull out of speaker wire with System board connector 2 Please directly take apart the Speaker Left side E DigiMedia Service Manual Doc No TITLE Version 1 0 LCD TV For LT26HVX m 33 34 5 7 Power Module 1 Please pull out the power wires with Panel Inverter connector and System board connector as red arrows of Figurel and Figure2 Service Manual LCD TV For LT26HVX semen Page 34 34 5 8 LCD panel module 1 Loosen 10 screws as blue circles 2 Loosen 4
7. screws as red circles 3 Loosen 4 screws as blue arrows and blue circles 4 If you take off the System Board and Power Supply before you can direct take apart the Panel 5 Careful to take panel one side up as blue arrow 6 Pull out the LVDS wire and Power wire 7 Take apart the Panel Module e DigiMedia
8. tired of searching the service manuals to look for the value of a burnt resistor If the answer is YES then this eBook is a must have guide for you You can save a lot of time and be able to repair customer s Electronic equipment with burnt resistors in it Click here to read more Service Manual Bor AS SERM LCD TV For LT26HVX a 2 Table of Contents rcc P3 P3 ABC P P3 II 2 System Block Diagram pomada il P4 2 1 System Block P4 2 2 Connector Connection Diagram siceisssscessisncssscssssssvsescvossvscesecssvcesveosse P5 2 3 Connector Pin Definition siciscsssssssscisnsscsnessnsassesceivevossecesensevseavanensvecs P6 AED P21 3 1 POW GP 21 3 2 Dino P22 3 3 NO Source AAN AAA ASA AAA AAA P23 DA Keypad FA A A P24 3 5 IR A 25 4 Firmware upgrade P26 5 Disassresate iii oe pe posue p e opea 28 5 1 TV Tuner and Interface 5 lt 55 555 955955 55 96 059650 P28 5 2 Stand Module ini ii P29 5 3 HACK COVED ici P30 54 System na A ARAS P31 5 5 Keypad A AA P32 SO
9. 5 NC No connection 26 NC No connection 27 No connection 28 NC No connection 29 AGND GND 30 AGND GND Function PC Audio In Connector type RCA Specification CNNT RCA white red F DIP RIGHT ANGLE 8 34 4PIN GND AudioIn GND Audio L 4 E DigiMedia TITLE Service Manual Du No LCD For LT26HVX ersion Page 8 34 Function RS 232 port Connector type Mini Din Specification CNNT Mini Din H F pin 12y Dip Pin Definition 1 NC No connection 2 FlsanDL Cable Plug In Detect 3 GND GND 4 NC No connection 5 NC No connection 6 P DGNS Download Fundion Control 7 RS 232 Data Transmit 8 PC_RXD RS 232 Data Receive 9 GND GND 10 GND GND 11 GND GND Function Keypad In Connector type M15 120001 Specification CNNT M 15PIN pitch 2 0mm DIP Straight WST blue NC Signa for Indicator LED Signa for Indicator LED Signa for Indicator LED GND IR Data ln GND Signal sent from Keypad to System 3 Signal sent from Keypad to System 2 Signal sent from Keypad to System 1 Signal sent fromSystemto Keypad 3 Signa sent from Systemto Keypad 2 Signal sent fromSystemto Keypad 1 GND EIo olion eA wN E _ E DigiMedia Service Manual Doc No Mum LCD TV For LT26HVX Sensum
10. BOARD Function VGA Signal In port Connector type D Sub Specification CNNT HD D Sub H F 3Row 15pin Dip BLU Pin Definition VGAR 75 ohmterrinaion 0 7 red signal VGAG 75 onmtemination 0 7 green signal VGAB 75 ohmtemneation 0 7V p p blue signal GND GND NC No connection GND GND GND GND GND GND VGA5V VCC 5 IN GND GND GND VGASDA 2 data bus for Reading DDC data VGA HS Horizontal Sync VGA VS Verticd Sync VGASCL 2 clock bus for Reading DDC data N oun eA wN e Function DVI signal port Connector type DVI Specification CNNT DVI H 29PIN 1 9mm 1 5A WHITE dip TMDS LVDS input signal TMDS LVDS input signal GND No connection No connection DDC 12C clock bus for R ding DDC data DDC DATA 12C daa bus for Reading DDC data NC No connection GD UT WIN e n 4 E DigiMedia TITLE Manual Gu 1 0 LCD TV For LT26HVX Page 7 3 4 9 RX1m TMDS LVDS input signal 10 RX1p TMDS LVDS input signal 11 GND GND 12 NC No connection 13 NC No connection 14 GDC5V VCC 5V 15 GND GND 16 HOTPLG VCC 5V 17 RXOm TMDS LVDS input signal 18 RXOp TMDS LVDS input signal 19 GND GND 20 NC No connection 21 NC No connection 22 GND GND 23 RXCp TMDS LVDS input dock 24 RXCm TMDS LVDS input dock 2
11. CNNT RCA 6 yellow amp white amp red yellow amp white amp red Pin Definition 1 CVBSI CVBS1 In 2 CVBS1 AR CVBS1 Audio In 3 CVBS1 AL CVBS1 Audio L In 4 CVBS2 CVBS2 In 5 CVBS2 AR CVBS2 Audio R In 6 CVBS2 AL CVBS2 Audio L In 7 GND GND 8 GND GND 9 GND GND Function Earphone Out Connector type PHONE JACK Specification CNNT EAR Phone Jack H F 5pin 3 6y Dip Pin Definition EAR ROUT EAR Audo R OUT GND GND TPA MODE TPA MODE EAR LOUT EAR Audio L OUT GND Function Audio Output Port Line Out Connector type RCA Specification CNNT RCA 2 white red GND GND Audio Line R Out GND Audo Line L Out 4 E DigiMedia TITLE Service Manual LCD TV For LT26HVX Doc No Version 1 0 Page 18 34 Function Component 1 2 YPbPr1 YcbCr1 In Connector type RCA Specification CNNT RCA 6 green amp blue amp red green amp blue amp red Pin Definition 1 COM1 Y Componentl_Y In 2 1 Pb Componentl_PbIn 3 1 Pr Componentl_Pr In 4 COM2 Y Componen2_Y In 5 COM2 Cb Component2_Cb In 6 2 Cr Componen2_Cr In 7 GND GND 8 GND GND 9 GND GND Function Component 1 2 Audio 1 2 In Connector type RCA Specification CNNT RCA 4 white amp red white amp red Pin Definiti
12. E Page 9 34 15 O 5V POWER Out Function TUNER IN AV IN Connector type BOARD TO BOARD Specification 2 557100 1 CNNT Dip Right Angle M 80PIN 1 27mm 0 5A Board to Board Pin Definition CHKTNR1 CHECK AV Board In V5 TUNER POWER OUT 5V V5 TUNER POWER OUT 5V GND GND GND GND NC No connection NC No connection NC No connection No connection GND GND PR HD PR In HD PB HD PB In HD Y HD Y In SV_SEL1 S Video SEL GND GND ALO SC2 Scat2 AUDIO L CH out ARO SC2 Scart2 AUDIO CH out ALO SC1 Scartl AUDIO L CH out ARO SC1 Scartl AUDIO R CH out GND GND L YCBCR AUDIO L CH out YCBCR_R Y CBCR AUDIO CH out HDTV L HDTV L AUDIO L CH out HDTV_L AUDIO_R CH out GND GND SIF1 SIF forrret_IN1 SIF2 IN SIF formet_IN2 GND GND IF_TU2CVBS Tuner2 CVBS IN E DigiMedia TITLE Service Manual Doc LCD TV For LT26HVX em TE 30 IF TUICVBS CVBS IN 31 GND GND 32 12 SYS2 O 12V OUT 33 NC No connection 34 NC No connection 35 12 SYS2 O 12V OUT 36 PC2DTV_TX PCTODTV TX IN 37 PC2DTV_RX
13. E m i DigiMedia Service Manual LCD TV For LT26HVX Doc No Version 1 0 Total Pages 34 Approvals Job Function Signature Date CPO Project Manager R amp D Dept Manager EE Dept Manager ME Dept Manager Engineering Dept Manager Sales Dept Manager Quality Assurance Dept Manager Author If you need more information on Computer and Electronic Repair please visit these websites to improve yourself http www fastrepairguide com http www protech2u com http www plasma television repair com http www lcd television repair com Happy Repairing Highly Recommended Repair Ebook amont cimus HowTo Find Burnt pesistor Value If you re a LCD Monitor repairer then this is the best guide for you Why Because the author revealed all his LCD Monitor Repairing secrets for you I think with just few Repair tips you learned from this guide you will get back your investment Click Here to read more This eBook will show you how to test the electronic component correctly and accurately Some of you may say that I don t need this eBook because it is too simple Do you know that in fact there is lots of testing electronic components secrets I have learned from this guide Do you know how to test a TRIAC correctly and accurately If you answer no then I guess you have to get this EBook Click Here to read more Are you
14. It can cause fire or electric shock The AC cords must be routed properly to prevent people from stepping on them or objects from resting on them Check the cords at the plugs and product Do not hit the panel Be careful to prevent from getting hurt by broken glass pieces in case the panel breaks Keep the product away from heat sources such as radiators heaters stoves and other heat generating products Do not place the display near water Like bathtub washbasin kitchen sink and laundry tub swimming pool and in a wet basement E n E DigiMedia Doc No Service Manual TITLE LCD TV For LT26HVX Version 1 0 Page 4 34 2 System Block Diagram 2 1 System block diagram xo 00 5 E amp al Video Audio ADC Audio ADC 48776 D 10 sing Decoding Scal Gamma amp Color Proces OS Audi Proces x 5 a IR amp KEYPED DigiMedia TITLE Service Manual LCD TV For LT26HVX Doc No Version 1 0 Page 5 34 2 2 Connector Connection Diagram CNIOL YS E E o a 2 To Keypad lood pod pa DYlin GAin Audio in RS 232 O 5 2 T 6 DigiMedia Service Manual Doc No AIEEE LCD TV For LT26HVX E Page 6 34 2 3 Connector Pin Definition SYSTEM
15. PC TO DTV_RX IN 38 S2DTV_TX SYS TODTV TX IN 39 S2DTV_RX SYS DTV_RX IN 40 RESETn RESET 41 GND GND 42 CVBS 1 CVBSI1 IN 43 IF YCVBS S VIDEO1 Y In 44 IF C S VIDEO1 45 GND GND 46 OCVBS SC2 O Scart2 cvbs out 47 IF CR YCBCR CR IN 48 IF CB YCBCR CB IN 49 IF Y YCBCR_Y IN 50 GND GND 51 DTV_PR DTV_Prin 52 DTV_PB DTV_Pbin 53 Y 54 TPA_MODE CHECK EARPHONE CONNECT In 55 EPOUT_L O Audio EARPHONE L CH OUT 56 EPOUT_R O Audio EARPHONE R CH OUT 57 AMP_WF O Audio Sub woofer OUT 58 LINE Audio LineL CH out 59 _ O Audio Line R CH out 60 GND GND 6l SAL SC2 Audio CVBS2 SV2 L chin 62 SAR SC2 Audio CVBS2 SV2R chin 63 CVBSAL SC1 Audio CVBSI SV1L chin 64 CVBSAR 5 1 Audio CVBSI SV1R chin 65 GND GND 4 E DigiMedia TITLE Service Manual Ver i LCD TV For LT26HVX Pu TE 66 SCL O Software 2C 67 SDA Software 2 data 68 HWSDA hardwae 2 data 69 HWSCL O hardwael2C dk 70 GND GND 71 CVBS SC2 CVBS2 IN 72 IF YCVBS2 S VIDEC2 Y 73 IF C2 S VIDEO2 C In 74 ADC2 A D conver 75 DTV_L Audio DTV L chin 76 Audio DTV chin 77 ADC1 A D corver 78 DTV_SPDIF DTV audio fom 79 ADCO A D conver 80 DTV_IR DTV pin Function LVDS output port Connector type TD01 30R1 Specification CNNT LVDS F SMD STRAIGHT V 30 PIN 1 25mm Pin Definition
16. PHONE CONNECT OUT 55 EPOUT L Audio EARPHONE L IN 56 EPOUT_R Audio EARPHONE CH IN 57 Audio Sub woofer IN 58 LINE L Audio LineL CHIN 59 LINE R Audio LineR CH IN 60 GND GND 61 SAL_SC2 O Audio CVBS2 SV2 L ch OUT 62 SAR_SC2 O Audio CVBS2 SV2 R ch OUT 63 CVBSAL SC1 O Audio CVBS1 SV1 L ch OUT 64 CVBSAR 5 1 O Audio CVBSI SV1R ch OUT 65 GND GND 66 SCL Software 2 OY 4 E DigiMedia TITLE Service Manual Ver 10 LCD For LT26HVX Sem EE 67 SDA 1 0 Software 12C data 68 HWSDA I O hardwael2C data 69 HWSCL hardwael2C dk 70 GND GND 71 CVBS SC2 O CVBS2 OUT 72 IF YCVBS2 O S VIDEO2 Y OUT 73 IF C2 O S VIDEO2 C OUT 74 ADC2 O A D corver 75 DTV_L O Audio DTV L chOUT 76 O Audio DTV R ch OUT 77 ADC1 O A D conver 78 DTV_SPDIF O DTV audio forme 79 ADCO O A D corver 80 DTV_IR O DTV IR pin Function S Video1 1 2 In Connector type Mini Din Specification CNNT 12PIN Mini Din DIP Right Angle 120 AMP 2 S Video GND GND S Videol C2In S Videol 2 GND GND S Videol 11 S Videol Y 1In GND GND GND GND GND i E n E DigiMedia TITLE Service Manual LCD TV For LT26HVX Doc No Version 1 0 Page 17 34 Function CVBS 1 2 and CVBS 1 2 AUDIO 1 2 In Connector type RCA Specification
17. ecification CNNT M 15PIN pitch 2 0mm DIP Straight WST Pin Definition NC Signal for Indicator LED Signal for Indicator LED Signal for Indicator LED GND IR Data Out GND Signa sent from Keypad to System 3 Signal sent from Keypad to System 2 Signal sent from Keypad to System 1 Signd set fromSystemto Keypad 3 Signal sent from Systemto Keypad 2 Signal sent fromSystemto Keypad 1 GND 5V POWER In Function Indicator Out Connector type M3 120001 Specification CNNT M 3PIN pitch 2 0mm DIP Straight WST V5_ Indicator 5V POWER Out LED B1 Signa for Indicator LED GND GND E DigiMedia Service Manual TITLE LCD TV For LT26HVX Page 21 34 3 Troubleshooting 3 1 No Power No Power Power plug is Check power plug is securely inserted securely inserted into the into the power power socket socket Yes 1 Check power to system cable 2 Check system to keypad cable Please replace the 3 Check power to panel cable cable what cause the 4 Check keypad and remote power on failed control power key connector insert Yes If power on still failed please replace power module Em n E DigiMedia Service Manual Doc No TITLE Version 1 0 LCD TV For LT26HVX m 22 34 3 2 No Sound No Sound P
18. lease connection Check the speaker wire No the speaker wire to connector to system board system board Yes Confirm input Check the input source No source and audio and audio cable into the correct connector E correct channel Yes Keep OSD is not in mute mode Confirm the volume value is not O Power off and re plug power socket again Ifitems 1 2 and 3 have no problem replace interface board or system board Em n E DigiMedia Doc No TITLE Service Manual See 1 0 LCD TV For LT26HVX Page 23 34 3 3 No Source Input RGB or video source can t be found Check OSD select No correct Yes Check image signal input No at system board or interface board Yes Replace system board or interface board Confirm input source and the output of OSD select 1s correct Check input source cable connection into the connector DigiMedia Doc No TITLE Service Manual Version 1 0 LCD TV For LT26HVX Rem 24 34 3 4 Keypad Failed Keypad no response 1 Check the cable of keypad to system board 2 Check keypad function 3 Ifitem 1 and 2 have no problem please replace keypad board or system board Em n E DigiMedia Service Manual Doc No TITLE Version 1 0 LCD TV For LT26HVX 3 5 IR Failed IR no response
19. on COM1 AL Component Audio L In COMI AR Componentl Audio COM2 AL Component2 Audio L In 2 AR Componen2 Audio GND GND GND Function Digital Tuner Out Connector type MD32 120003 Specification CNNT M 32pin 16x2 pitch 2 0mm DIP straight Pin Definition V5 TUNER GND POWER OUT 5V V POWER OUT_12V V5 TUNER POWER OUT 5V V POWER OUT_12V n E DigiMedia TITLE Service Manual Doc i LCD TV For LT26HVX 5 GND GND 6 GND E GND 7 S2DTV_TX SYS TO DTV_TX IN 8 RESETn O RESET 9 S2DTV_RX SYS TO DTV_RX IN 10 MAIN DE MAIN DE pin 11 GND GND 12 GND GND B PC2DTV_TX PC TO DTV_TX IN 14 SCL Sofewarel2C 15 PC2DTV_RX PC TO IN 16 SDA 1 0 Sofewarel2C data 17 GND GND 18 GND a GND 19 DTV_Y DTV Y In 20 DTV_SPDIF DTV audio 21 GND GND 22 DTV_SPDIF DTV audio fona 23 DTV Pb DTV_PbIn 24 GND GND 25 GND GND 26 DTV_L Audio DTV L dh 27 DTV Pr DTV Prin 28 DTV Audio DTV chI 29 DTV_DL DL pin 30 DTV_IR DTV_IR pin 31 DTV_NM DTV_NM pin 32 GND GND E n E DigiMedia TITLE Service Manual 1 0 LCD TV For LT26HVX Page 20 34 KEYPAD BOARD Function Keypad In Connector type M15 120001 Sp
20. when it fished the operation list form has to show the Finished as blow arrow step 8 and step 10 please refer the Figure7 10 pull out the RS232 cable and AC cord F 5v23 0418 bin LOG Start to upgrade 1922 22 gt Flash LOG Init As232 Usb gt MTTBIS LOG Flash Type MxIC 42911604BB LOG Erasing LOG Updating LOG Begin Wed Apr 20 11 05 59 2005 LOG end Wed Apr 20 11 08 02 2005 LI Service Manual Dogs TITLE LCD TV For LT26HVX Version 1 0 Page 28 34 5 Disaggregate Graphic 5 1 Interface Module 1 Loosen 4 screws as red circles 2 Pull the Interface module to the right side and pull up as blue arrow p 3 Loosen 5 screws as red circles 4 Loosen Tuner nut as blue circles 5 Loosen 4 screws as red circles 6 Take apart AV cover metal and Interface Board Service Manual Doc No TITLE Version 1 0 LCD TV For LT26HVX Page 29 34 5 2 Stand Module 1 Loosen 7 screws as red circles 2 Take apart the Stand Module 3 Loosen 7 screws as red circles 4 Take apart the Stand Cover and Stand amp nnnort Metal 5 Loosen 4 screws as blue circles 6 Take apart the Stand Bottom Metal and Stand Support Metal TITLE Service Manual 1 0 LCD TV For LT26HVX Page 30 34 5 3 Back Cover e
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