LCD TV SERVICE MANUAL
Contents
1. CS DC HPD CEC EDID NVM CVBS OUT MPEG RX TX USB MPEG RESET INVHOVIG 320 18 EXPLODED VIEW Copyright 2008 LG Electronics Inc All right reserved 20 LGE Internal Use Only Only for training and service purposes INPUTI1 COMP 1 2 RS232C PC JK101 PPJ209 02 COMPONENT2 RD IP CAN29 HIC LUG L oio seii VPRO cour r pIcoNTACT i I i 1 JK100 PPI209 02 H IP CAN RDIC_LUG_L RD IP CANI BLIC_LUG COMP2 Pr IRDIIP CAN26 HIC LUG L HIP CAN RDIC_LUG_L IRDIIP CANI gt COMP2 Pb BLIC LUG L IBLIIP CAN 3N JO SPRI gt R se RS 232C ONLY LG30 45V ST 43 3V_MST 4 45V ST KCN DS 1 0088 COMP2 Y ING COMPI Y RE ICONTACT INICONTACT i gt RXD i x bo RS232C TX TXD MAIN EAN41348201 TI SUB OIMCRSGOIOA STM xk MULTI ITEM PC SOUND PC 1 24C02 SUB OIMMRALO14D 2 ENKMC2837 SUB 0DS226009AA CK 05226 JK102 PEJO24 01 PC AUD R gt TMDS2 p SIDE DSUB_SDA2. m Restore 3 tart Add 0000000 ir OF FFFFFFFFFF Printer40KHz Device Type is MX25L8005 5 Click Auto 2 tab and set as below 6 click Run 3 7 After downloading check OK 4 message JEN MStar ISP Utility V4 3 2 Restore Data M Erase Device File Area C Erase Area Printer 40KHz 9 LGE Internal Use Only USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick Cancel 3 Select Start Button and press ok button Updating is staring Erase and Program Do Not Power Off 4 Finishing the version updating you have to put out USB stick and AC Power off 5 After putting AC Power on and check updated version on your TV 4 ADC Process Required Equipments Remote controller for adjustment MSPG 925F Pattern Generator 4 1 Method of Auto RGB Color Balance Convert to RGB PC in Input source Input the PC 1024x768 60Hz 1 2 Black amp White Pattern MSPG 925F model 60 pattern 54 into RGB Adjust by commanding AUTO COLOR ADJUST OxF1 0x00 0x02 instruction Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 10 1 Confirmation We confirm whether OxF1 offset OxF2 gain address of EEPROM 0xBC is OxAA or not If OxF1 OxF2 address o
3. 8 Adjustment method The input methods are same as other chassis Use IN START Key on the Adjust Remocon If not changed the option the input menu can differ the model spec Refer to Job Expression of each main chassis ass y for Option value Never push the IN STOP KEY after completing the function inspection LGE Internal Use Only 6 EDID The Extended Display Identification Data DDC pisplay Data Channel download Caution Use the proper signal cable for EDID Download 6 1 EDID DOWNLOAD Caution Never connect HDMI amp D SUB Cable at the same time Use the proper cables below for EDID Writing For RGB EDID For HDMI EDID EDID Data Item Condition Data Manufacturer ID GSM 1E6D Version Digital 1 01 Revision Digital 3 03 LP81A HD Model EDID Analog 128bytes gt Addr 00 01 02 03 04 05 06 07 08 09 OA DB OC OD OE OF 00 FF 121 50 1C O 21 00 00 HDMI 1 256bytes HDMI 2 256bytes gt The data is same without Physical address 09 OA OB 6D A3 57 9 5 40 61 40 0 0 51 00 1 00 80 30 150 D o Sn 201201201202 25 C4 i 00 00 oo gt Physical address F HDMI 1 gt 10 HDMI 2 gt 20 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Detail EDI
4. SCL_Parr gt a SDA_Part e mo IC1000 SW RESET NU W9910DANA2 GR mm a PIP V m l rwo2910 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC L8V AVD SWITCH VCC LCD 12V or 5V 5 5 _ PULLUP 5V MNIUI TI PSV 4 ans s sr aov Mum sr distr oe IL iW NEP PANELON gt te Q PSV RL ON co ne jit mn ST 5V gt 3 3V gt 1 2V DC DC CONVERTER s SDRAM icm SV MULTI lt equal to 220uF pad size OUT UNDER 7 2 a MNT e Loma 20mA OUT 2 6V 25 MST SWITCH 5V gt DDR 2 5V 12V gt 5V_TUNER SWITCH 5V gt 3 3V gt 1 8V THE BYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AS YMBOL MARK OF THE SCHEMETIC Copyright 2008 LG Electronics Inc All right reserved LGE Internal Use Only On
5. 3 S W program download 3 1 Preliminary steps 1 Download method 1 PCB Assy HD FHD 2 Connect the download jig to D sub jack 3 2 Download steps 1 Execute ISP Tool program in PC then a main window will be opened MStar ISP Utility 4 3 2 Config Connect Dis Con Star Double click semiconductor Elapsed Time Printer 40KHz Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 2 Click the connect button and confirm Dialog Box _MStar ISP Utility V4 0 9 5 semiconductor USB 123KHz Device Type is 2 8005 3 Click the Config button and Change speed E2PROM Device setting over the 350Khz ES l EX Em m Device Load Read auto B P v Restore HOCP Erase connect Dis UseUSB Auto release USB T2C Pin Definition Communication Setting I2C Speed Setting SEW wc C sbAout C SCL out PT1 Port Type Speed 60 s FI Base Addr 038C Roughly Speed 40 KHz EE INS m Tm SPI Setting M Reverse High USE SPI pin 1 switch UART T2c m TIG mstar Apply Pull all Pin High Elapsed Time s Printer 40KHz Device Type is MX25L8005 Comer sd 4 Read and write bin file Click 1 Read tab and then load download file XXXX bin by clicking Read MStar ISP Utility V4 3 2 EE
6. LG30 LG50 Power on White LG60 26 HD MAKER CMO 32 HD MAKER LPL CPT CMO AUO SHARP LGE SPEC Operating Environment Storage Environment Input Voltage Power Consumption Volume 1 8 volume of sound distortion point lt TBD 26 HD lt TBD 32 HD St By Red lt 1 0 W All LG60 St by Light condition LCD Module Maker Inch H x V x D unit Remark Maker AUO CMO CMO HD Outline Dimension 26 626 x 373 x 43 7 mm with inverter CPT LPL SHARP Pixel Pitch 26 0 1405 x 0 4215 mm Back Light 26 12 CCFL mm Outline Dimension 32 760 x 450 x 47 4 mm with inverter Pixel Pitch 32 0 17025 x 0 51075 mm Back Light 32 16 CCFL mm LPL HD Outline Dimension 32 760 x 450 x 48 mm with inverter Pixel Pitch 32 0 17025 x 0 51075 mm Back Light 32 12 EEFL mm Display Colors Coating 3H AG 2H AG LPL CMO AUO Sharp Copyright 2008 LG Electronics Inc All right reserved 6 LGE Internal Use Only Only for training and service purposes 5 Model Specification Item Specification Remark Market Central and South America Broadcasting system PAL SECAM B G D K PAL I II NTSC M Available Channel BAND NTSC VHF 2 43 UHF 14 69 CATV 1 125 Receiving system Upper Heterodyne Video Input 2EA NTSC PAL M N Rear 1EA Side 1EA AV Output 1EA NTS
7. No No minute discharge gt gt Is the inverter _____ gt at Module VaVs on Yes Yes Check the LCD Module Is the link cable Bore Reconnect Panel line cable normal HD P403 FHD P402 Yes No uba a eus p Replace the VSC output normal 3 Unusual display from RF mode video output of the No input voltage Tuner normal Check ar ed normal Check 1 Y No Yes Check the power T rc Block Is the LVDS No Cable inserts well Cable connected well Yes Change the IC IC801 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Yes Is the 12C communication normal Check Pin9 Pin10 y e Check the Tuner LGE Internal Use Only 4 Unusual display f Is video input of the A V Jack normal Check R8044 Same as Block A rom rear AV mode Check the input source 5 Unusual display from Side AV model Is video input of the Side A V Jack normal Check R8043 Yes Same as Block A 6 Unusual display from Side S Video mode Is video input of the S Video Jack normal Check R8041 42 Yes Same as Block A Copyright 2008 LG Electronics Inc All right reserved Only fo
8. Read 80 2 Page 80 FF Read A6 0 3 Page 0 7F Read 80 3 Page 80 FF Read Purpose To read 84h the appointment Address of 2 by 128 80h byte Copyright 2008 LG Electronics Inc All right reserved 13 Only for training and service purposes LGE Internal Use Only TROUBLESHOOTING 1 No power 1 Symptom 1 It is not discharged minutely from module 2 Light does not come into the front LED 2 Check process Is the power cord No plugged in Are the line filter and No PSU connected Is the fuse of PSU No normal F101 Is it connected No that PSU and P1100 in Main B D i Yes After all cables connect is removed to PSU the AC voltage marking is authorized on manual When ST BY 5V is not operated replace PSU Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes p Plugin the power cord p gt Connect the cable SC100 Replace the fuse Connecta cable P1100 14 LGE Internal Use Only 2 No Raster 1 Symptom 1 No OSD and image occur at screen 2 It maintains the condition where the front LED is green 2 Check process Does Is output the normality Low High voltage except Stand by 5V Replace the Power board
9. SEI L THAT ONLY MANUFATURES SI ICING PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE AS YMBOL MARK OF THE SCHEMETIC 5V DET Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes DDC SDA3 w DDC 8013 r 1 TMDS3 RXC TMDS3_RXC _ 34 TMDS3 RX0 gt TMDS3 0 h TMDS3 RXI C 4 TMDS3 RXI 2 4 Font TMDS3_RX2 TMDS3_RX2 gt TMDS1_RX2 lt TMDS1_RX2 Eum TMDSI_RXI IC302 L ITMDSI_RXI TMDS351PAG TMDSI_RXC lt MDSI_RXC ppc saa 1DDC SDAI Ff HPD_S W_I 433V HDMI SW i Recommand Ws gt Pull up Imay 222 lt HDMI SEL2 d EIE i 33V MULTI MST dd Ee HDMI SELI UU jj p 44 43 T 5 SS wu EE 88 BE y INPUT2 CVBS SIDE AV SIDE AV JK204 PPJ218 01 LIO_SFRING IYLICONTACT IYLJU CAN IWHIC LUG SIDE V IWH U CAN IRD O SPRING i SIDE_LIN I gt SIDE RIN IRDJCONTACT IRDIU CAN THE BYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK ESSENTIAL THAT ONLY MANUFATU 5 WHEN SERVICING
10. i shes 1 i cus t r PC vs zi 45v_sT haved SHIELD PLATE LL DSUB SCL Viagra DSUB SqL DSUB SDA THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE NSY MBOL MARK OF THE SCHEMETIC HDMI lt HPD SI 3 GAS HPD S W 2 5V ST V HDML3 I OPTION ics m SW HPD USE SW HPD Default HPD MST 2 HPD MST 3 MST HPD USE MST HPD MST 2 I reus mica pes DDC SDA3 te DDC SCL3 poc EX EXC sau CEC T P E55 052 RXC S IMDSERX fa HOMBOVBEE ge 2 ads s cs L EIMS RXC HDMD 5V DET mps Re 2S2 EZ Seago VMN L ES TMDSZ p gt RAT 22455 ASVST L TMDS3 RXI ass e Mp9 R F TMDST 222 22 22 22538 I Mg RE lt gt 053 Rx2 IN 2 RX2 T E m Vilis reer HPD MST 1 rMULTI ITEM SIDE HDMI 1 24CO02 SUB OIMMRALO14D 2 SMD HDMI Jack SUB 6612BO00015B 5V_ST A TN 1 0 TMDS1_RXC gt TMDSI gt IMDSI_RX0 TMDSI RXO ER TMDSI_RXI gt TMDS1_RX1 1 1 TMDSI_RX2 r TMDSI_RX2 D ELECTRICAL SHOCK HAZARDS WHEN
11. 18 Is the speaker on it menu Is the speaker cable normal Yes No Replace IC600 Is IC801 operated normality Yes Is IC601 operated normality Yes Replace Main B D No No Set on speaker in menu Check the Speaker cable Replace IC801 Replace IC601 LGE Internal Use Only sesodind eoiues pue Buture 10 luO ponasa uDu 97 8002 1uBu doo 6L esn 391 TUNER I2C Tuner CVBS IN uner Euj MAIN Nv PPR MEM AViin gue LINEIN i SERIAL CVBS OUT 97 126 FLASH out LOS Lus Cx LINE MUTE LINE OUT LINE OUT MEE SideAV AV2 in CENE I VIPBPrIN UNEN 05 S VPE LINE MUTES Comp1 in Mz LINEIN 5 1 Mstar DERE Y Pb Pr IN p Romeo Comp in q MC74HC4066 i LGEG891CD 058 Audio SW AUDIO SW _ LINE IN I d RGBin R G B HS NS IN I2C D L EJ D L Ga DSUB DDC PC Audio n EDID NVM in 2 omo x3232 RS 232C DED X e MX323 UART_Rx Tx Loudspeaker CES ppc TMDS351PAG SEL EDID NVM HDMI MUX E DDC HPD CEC DDO HPD CEC CEC not through HDMI MUX direct JACK to MAIN IC ww TMDS HDMI in
12. ADH AJJADL A Data A ss Data n A CS A STOP Delay 20m LEN 84h Bytes CMD E8h ADH E2PROM Slave Address A0 A2 A4 A6 Not 00h Reserved by BufferToEEPROM ADL E2PROM Sub Address 00 FF Data Write data Delay 20ms 2 Command Set Adjustment contents CMD hex LEN Details EEPROM WRITE E8h 94 16 Byte Write 84 n h n byte Write Purpose 1 EDID write 16 byte by 16 byte 8 order 128 byte write TO 00 7F of EEPROM Page A4 2 FOS Default write 14 mode data write SyncFlags HPeriodH HPeriodL VtotalH VtotalL SrcHTotalH SrcHTotalL SrcHStartH SrcHStartL SrcVStartH SrcVStartL HsyncPhase 3 Random Data write write the appointment Address of E2PROM 3 E2PROM Data Read 1 Signal TABLE START GE AJ 50 IA 84 J 1A 03 AJ CMD AJ ADHI A STOP Delay 150ms sTART 6F A D1 A 4 Dn A STOR ___ 128 Bytes EN 2 COMMAND SET Adjustment contents CMD hex ADH hex ADL hex Details EEPROM READ E7 0 0 Page 0 7F Read 80 0 80 FF Read A2 0 1 0 7F Read 80 1 Page 80 FF Read A4 0 2 Page 0 7F
13. C PAL M N Rear S Video Input 1EA NTSC PAL M N Side S Video Priority Component Input 2EA Y Cb Cr Y Pb Pr Rear RGB Input 1EA RGB PC S W Upgrade Rear HDMI Input 2EA HDMI DTV Only PCM MODE LG30 Tool 32LG60 LG50 LG70 Tool Audio Input BEA PC Audio Component 2EA AV 2EA L R Input RS 232C Remote control Commercial Side 1EA LG30 Tool only LG50 LG60 LG70 not Support USB Input Divx MP3 JPEG Side 1EA LG60 LG70 Tool Only LG30 LG50 Not Support 6 Component Video Input Y PB PR Resolution H freq kHz V freq kHz Pixel clock MHz Proposed 720 480 15 73 59 94 13 500 SDTV DVD 4801 5251l 720 480 15 75 60 00 13 514 SDTV DVD 4801 5251l 720 576 15 625 50 00 13 500 SDTV DVD 5761 6251 50Hz 720 480 31 47 59 94 27 000 SDTV 480P 720 480 31 50 60 00 27 027 SDTV 480P 720 576 31 25 50 00 27 000 SDTV 576P 50Hz 1280 720 44 96 59 94 74 176 HDTV 720P 1280 720 45 00 60 00 74 250 HDTV 720P 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz 1920 1080 28 125 50 00 74 250 HDTV 10801 50Hz 1920 1080 33 72 59 94 74 176 HDTV 10801 1920 1080 33 75 60 00 74 25 HDTV 10801 1920 1080 56 25 50 148 5 HDTV 1080P 1920 1080 67 432 59 94 148 350 HDTV 1080P 1920 1080 67 5 60 00 148 5 HDTV 1080P Copyright 2008 LG Electronics Inc All right reserved 7 Only for training
14. D Options are below A B C D E F A Product ID B Serial No Controlled on production line C Month Year Controlled on production line ex Monthly 09 09 Year 2007 E 11 D Model Name Hex Model name Model Name HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 OA 20 20 20 20 20 20 20 E Checksum Changeable by total EDID data 6 2 HDCP SETTING High Bandwidth Digital Contents Protection Connect D sub Signal Cable to D Sub Jack Input HDCP key with HDCP key in program HDCP Key value is stored on EEPROM AT24C64 which is From 0x80 addresses of OxAO page AC off on and on HDCP button of MSPG925 and confirm whether picture is displayed or not of using MSPG925 HDCP Key value is different among the sets 7 Adjustment of White Balance 7 1 Purpose and Principle for adjustment of the color temperature Purpose Adjust the color temperature to reduce the deviation of the module color temperature Principle To adjust the white balance without the saturation Fix the one of R G B gain to CO and decrease the others 7 2 Adjustment mode Two modes of Cool and Warm Medium data is automatically calibrated by the Cool data Required Equipment Remote controller for adjustment Color Analyzer CA100 or CA 210 or same product ch 9 Auto W B adjustment instrument only for Auto adjustment 7 3 Connecting diagram o
15. F THE SCHEMETIC Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes non secs c m S3 EM US E m 0 Te 1C707 ZR36966PQCG XD RAND savann RAMADO ANDATI SAIS RAMDATIHL RAMBADI i E EN voa s DN TOME UR MES SOUS Ws v comam 5 RAMDATIOAS Digital Audio ANIP DS MCLK IC600 NTP3000A T 8 M LM qim rt wy TA a AUDIO SW for COMPL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN I ING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THEA YMBOL MARK OF THE SCHEMETIC MSTAR ICS801 1 LGE6891 DD HD 5SPK 1 1 C8PK L MC74HC4066ADR2G 5V_MULTI 5V_MULTI 7 ti D for SIDE R L CSIDE_RIN 5V_MULTI cu m m 1 1_ Audio S W COMPI or SIDE L R e AUDIO SW pm m SPK MUTE HOTEL MNTLOUT MNT_ROUT Mode Sclectionz s ADD SPK
16. IF IS PANEL WAFER ECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC TXCEDTACED T C BS JK200 PP 3148 10 IYLICONTACT IYLIO SPRING g IYLIP CAN e IWHICLUGL IWHIIP CAN IRDICONTACT IRDIO_SPRING CVBS VIN gt CVBS LIN IRD IP CAN JK201 PPJ200 01 CVBS RIN SPK _R HOTEL MUTE LINE SPK R HOTEL CELTXCETACE TXCER TACEK TNCLKEK TXCLKE FHD TXCED IXCEI TACEI TACEL TCE HD NORMAL PAOD SMAW200 40C CE TCE NCES TXCLKEs TXCLKE P403 SMW200 26C HD_ATN Rasa wt x Lo Fp a x 1 1 x uje 1 1 FHD sBrr NC wl Munus RAG HD x sur x o X 0 32 X x N A C s nux non coo cor RSS CHO Taro EGIT x Go T P x BEAD X GGKCGGKICO BEAD oT x x x BEAD NOT LG60 2 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION ING IF IS IANUFATURES SPECFIED PARTS BE USED FOR IN THE A
17. Only DDR AR902 Tew AROS View THE AYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC PPW ER PANEL OPTION 1coo0 HYB25DC256163CE A 425V_VDDM_MST Tow AR ES View MULTI ITEM MAIN QIMONDA EAN41788501 SUB HYNIX EAN31729202 LED Block 425v MST D E DIMMING SHARP 32 DC DIMMING EKTTUTETIZ CTIHTRTTIZTRETTSSKTISS RTTGS RTTESIKTTEG RTTE RT TOT DV unc o T x oo Lx Lx Lx Lx Lx Lo 2 AUG oe ere pre Tx LE Le x O X 1 0 x T x gt AC DET CMOST X X x o o x o o x Sharp Srl X x x OX x X Lx X x Lx Lo LLL x 4 7K jo 47uk O o x x x x x tuy T AC RST k ins Ds 7 PANEL STATUS T un Pr 4 LDIMMING Eu lt DISP EN lt pics 2 X NU pos E 1s koi 1 MANA
18. R SPK Re L DDD SPK L SPK L Chinese Hotel Option ama gt Q 33 mmm Q oo a Q ANMP GAIN X 4 z conari Ci uec rab er p l ICS801 LGE6991 DD FHD NON_EU OPTION ES NES MPEGUART Si H W OPTION 1 impo aer H W OPTION 2 E Lon Insert all except LG6O R8188 mw oz BID un N DDR SDRAM GAIN X 4 THE BYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THEASYMBOL MARK OF THE SCHEMETIC D425v VDDM MST 12 VDDC MST Da25V MST gt MST LGE Internal Use
19. SYMBOL MARK OF THE SCHEMETIC FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERV ESSENTIAL THAT ONLY THE CRITICAL COMPO SPK N L G6 Sound module output MULTI ITEM 28C3052 P N OTRIYSOOO1A CONTROL KEY RA 28C3875 P N 0OTR387500AA LGE Internal Use Only TUNER TU500 TAFT Z703D NON EU TUNER Near the pin SDA TUNER SCL TUNER MAIN SIF THE BYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE A YMBOL MARK OF THE SCHEMETIC USB MPEG DEC sayp0e sm Em posee po pur 1C703 USB icu MSSUWBANDr SG DP m ND l rum f in svamm avanzar ET ed savor wenn 6 ET THE AYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THEASYMBOL MARK O
20. and service purposes LGE Internal Use Only 7 RGB Input Analog PC Resolution H freq kHz V freq kHz Pixel clock MHz Proposed Remark 640 350 31 468 70 80 25 17 EGA 720 400 31 469 70 08 28 32 DOS 640 480 31 469 59 94 25 17 VESA VGA 800 600 37 879 60 31 40 VESA SVGA 1024 768 48 363 60 65 VESA XGA 1280 768 47 776 59 87 79 5 VESA WXGA 1360 768 47 72 59 799 84 75 VESA WXGA 1366 768 47 7 60 84 62 VESA WXGA 1280 1024 63 668 59 895 109 00 SXGA Only FHD 1400 1050 65 317 59 978 121 75 SXGA Only FHD 1600 1200 74 537 59 869 161 00 UXGA Only FHD 1920 1080 66 587 59 934 138 50 WUXGA Reduced Blanking Only FHD 8 HDMI input PC Spec out but display correctly at only HDMI DVI IN 1 via DVI to HDMI Cable Resolution H freq kHz V freq kHz Pixel clock MHz Proposed Remark 720 400 31 468 70 08 28 32 640 480 31 469 59 94 25 17 VESA VGA 800 600 37 879 60 31 40 00 VESA SVGA 1024 768 48 363 60 00 65 00 VESA XGA 1280 768 47 776 59 87 79 5 VESA WXGA 1360 768 47 72 59 799 84 62 VESA WXGA 1366 768 47 7 60 84 62 VESA WXGA 1280 1024 63 595 60 0 108 875 SXGA Only FHD 1400 1050 65 160 60 0 122 50 SXGA Only FHD 1600 1200 74 077 60 0 130 375 UXGA Only FHD 1920 1080 66 647 59 988 138 625 WUXGA Only FHD 9 HDMI input DTV Resolution H freq kHz V freq kHz Pi
21. anual adjustment it is also possible by the following sequence 1 Select white pattern of heat run by pressing POWER ON key on remote control for adjustment then operate heat run longer than 15 minutes If not executed this step the condition for W B may be different 2 Push Exit key 3 Change to the AV mode by remote control Push front AV or Input key 4 Input external pattern 8596 white pattern 5 Push the ADJ key two times entering White Balance mode 6 Stick the sensor to the center of the screen and select each items Red Green Blue Gain and Offset using A Y CH key on R C 7 Adjust R G B Gain using lt gt VOL key on R C 8 Adjust two modes Cool and Warm Fix the one of R G B and change the others 9 When adjustment is completed Exit adjustment mode using EXIT key on R C CASE First adjust the coordinate far away from the target value x y 1 x y target 1 Decrease the R G 2 x y target 1 First decrease the B gain 2 Decrease the one of the others In case of decreasing the x decreasing the R fix G In case of decreasing the y decreasing the G fix R Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 12 3 x target y lt target 1 First decrease B so make y a little more than the target 2 Adjust x value by decreasing the R 4 x target y gt target 1 First decrease B so make x a little
22. f EEPROM OxBC isn t we adjust once more We can confirm the ADC values from 0x00 0x05 addresses in a page OxBC Manual ADC process using Service Remocon After enter Service Mode by pushing ADJ key execute Auto RGB by pushing key at Auto RGB 4 2 Component input ADC 1 Component Gain Offset Adjustment Convert to Component in Input source Input the Component Which has 720p 260Hz YPbPr signal 10096 Color Bar MSPG 925F Model 217 Pattern 65 into Component Adjust by commanding AUTO COLOR ADJUST OxF1 0x00 0x02 instruction 2 Confirmation We confirm whether OxF3 offset OxF4 gain address of EEPROM OxBC is OxAA or not If OxF3 OxF4 address of EEPROM OxBC isn t OxAA we adjust once more We can confirm the ADC values from Ox06 0x0B addresses in a page OxBC Manual ADC process using Service Remocon After enter Service Mode by pushing ADJ key execute Auto RGB by pushing _ key at Auto RGB TOOL Option Area Option change and AC off Before PCBA check you have to change the Tool option Area option and have to AC off on Plug out and in If missing this process set can operate abnormally 5 TOOL Option Area Option change 1 Profile Must be changed the option value because being different with some setting value depend on module maker inch and market 2 Equipment adjustment remote control
23. f equipment for measuring For Automatic Adjustment COLOR ANALYZER Internal Pattern of Mstar RGB I2C serial communication PC 241 LGE Internal Use Only 1 Enter the adjustment mode of DDC Set command delay time 50ms Enter the DDC adjustment mode at the same time heat run mode when pushing the power on by power only key Maintain the DDC adjustment mode with same condition of Heat run Maintain after AC off on in status of Heat run pattern display 2 Release the DDC adjustment mode Release the adjust mode after AC off on or std by off on in status of finishing the Hear run mode Release the Adjust mode when receiving the aging off command FS 00 00 from adjustment equipment Need to transmit the aging off command to TV set after finishing the adjustment Check DDC adjust mode release by exit key and release DDC adjust mode 3 Enter the adjust mode of white balance Enter the white balance adjustment mode with aging 00 FF Luminance min value is 200cd m z in the cool mode For LCD 7 4 Adjustment of White Balance for Manual adjustment 1 Adjustment mode Two modes Cool and Warm Medium data is automatically calibrated by the Cool data 2 Color analyzer CA100 CA210 should be used in the calibrated ch by CS 1000 LCD CH9 PDP CH10 3 Operate the zero calibration of the CA100 or CA 210 then stick sensor to the module when adjusting 4 For m
24. ly for training and service purposes
25. more than the target 2 Adjust x value by decreasing the G Standard color coordinate and temperature when using the CA100 or CA210 equipment Mode Color coordinate Temp Auv x Y Cool 0 276 0 002 0 283 0 002 11 000K 0 000 Warm 0 31340 002 0 329 0 002 6 500K 0 003 DDC Command set Adjustment CMD HEX ADR VALUE detail Aging On Off F3 00 FF 00 FF ON OO OFF Input select F4 00 0x10 TV 0x20 AV1 Ox21 AV2 0x40 Component 0x41 Component2 0x60 RGB 0x90 HDMI1 0x91 HDMI2 R GAIN 16 00 00 CO GAIN adjustment G GAIN 18 00 CO CSM COOL B GAIN 1A 00 CO R GAIN 16 01 00 CO GAIN adjustment G GAIN 18 00 CO CSM NORMAL B GAIN 1A 00 CO R GAIN 16 02 00 CO GAIN adjustment G GAIN 18 00 C0 5 WARM B GAIN 1A 00 CO CSM mode F2 00 00 COOL 01 NORMAL 02 WARM AUTO ADC Fi 00 0 1 2 0 Offset adjustment 1 Gain adjustment 2 Offset and Gain adjustment EEPROM Read E7 00 00 EEPROM read EEPROMWrite E8 00 data EEPROM write LGE Internal Use Only 8 DDC command protocol 8 1 Signal TABLE START 6 50 84 1 03 L VAL A CS A STOP 8 2 E2PROM Data Write 1 Signal TABLE START 50 84 CMD A
26. r training and service purposes Check the input source No Check the input source 16 LGE Internal Use Only 7 Unusual display from component 1 mode Is video input of the Com1 Jack normal Check R8011 12 13 No Check the input source Yes Change IC801 8 Unusual display from component 2 model Is video input of the Com2 Jack normal Check R8030 32 33 Check the input source Yes Change IC801 9 Unusual display from RGB model Is video input of the Com2 Jack normal Check R8035 37 39 Check the input source Yes Change IC801 Copyright 2008 LG Electronics Inc All right reserved 17 Only for training and service purposes LGE Internal Use Only 10 No Sound 1 Symptom 1 LED is green 2 Screen display but sound is not output 2 Check process All input mode is no sound All input mode is no sound No Only AV COM2 PC input is no sound Yes No Only RF is no sound Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes No Download the EDID data Is the output of IC600 normal Yes Check the signal after IC600 refer to circuit diagram Check the Tuner In Out
27. website http biz L Gservice com LG LCD TV CHASSIS LP81A MODEL 26LG30R 26LG30R MA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 3 Test method 1 Application range This specification is applied to LP81A chassis 1 Performance LGE TV test method followed 2 Demanded other specification Safety 2 Requirement for Test EMC Each part is tested as below without special appointment 1 Temperature 25 5 C 77 9 F CST 40 5 2 Humidity 6596 x 1096 3 Power Standard input voltage 100 240V 50 60Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 4 General Specification LCD Module CE IEC Specification CE IEC Item Specification Measurement Result Remark Display Screen Device 26 wide Color Display Module Resolution 1366X768 HD 32 wide Color Display Module Resolution 1366X768 HD Aspect Ratio 16 9 LCD Module 26 TFT WXGA LCD 32 TFT WXGA LCD 1 Temp 0 40 deg 2 Humidity 0 85 1 Temp 20 60 deg 2 Humidity 0 85 96 100 240V 50 60Hz Power on Blue
28. xel clock MHz Proposed Remark 720 480 31 47 59 94 27 SDTV 480P Support not spec 720 480 31 5 60 27 027 SDTV 480P support not spec 720 576 31 25 50 27 SDTV 576P support not spec 1280 720 44 96 59 94 74 176 HDTV 720P 1280 720 45 60 74 25 HDTV 720P 1280 720 37 5 50 74 25 HDTV 720P 1920 1080 28 125 50 74 25 HDTV 10801 1920 1080 33 72 59 94 74 176 HDTV 10801 1920 1080 33 75 60 74 25 HDTV 10801 1920 1080 56 25 50 148 5 HDTV 1080P 1920 1080 67 432 59 94 148 350 HDTV 1080P 1920 1080 67 5 60 00 148 5 HDTV 1080P 1920 1080 27 24 74 25 HDTV 1080P 1920 1080 33 75 30 74 25 HDTV 1080P Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 8 LGE Internal Use Only ADJUSTMENT INSTRUCTION 1 Application Range This spec sheet is applied all of the 32 37 42 47 52 LCD TV LP81A chassis HURRICANE 5 by manufacturing LG TV Plant all over the world 2 Specification 1 Because this is not a hot chassis it is not necessary to use an isolation transformer However the use of isolation transformer will help protect test instrument 2 Adjustment must be done in the correct order 3 The adjustment must be performed in the circumstance of 25 5 of temperature and 6521096 of relative humidity if there is no specific designation 4 The input voltage of the receiver must keep 100 220V 50 60Hz 5 Before adjustment execute Heat Run for 15 minutes at RF no signal
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