Home

LG Electronics 42PC5R Flat Panel Television User Manual

1. PFE o oo_oooo 5 EE SPRING l T TERMINALI l a 8 TERMINA PC_R_IN l l RO SPRING PO LIN l T_TERMINAL2 PC_AUDIO R1111 l 10K i RGB DC SDA DSUB_HSYNC dis R1148 A DSUB B C pu xp l Ze l R1149 I C nonno l l TN e o e SC l e pe 43 3V Normal l R1135 ri SE RGB_PC S R1147 e 1K e sus pet opt DSUB_R I JK1104 l SPGO09 DB 010 I RGB PC MODEL 293722 DATE BLOCK HEET gt Z LGE Internal Use Only RS 2 2C COMMERCIAL NONOS MODEL OPTION COMMERCIAL MODEL OPTION COMMERCIAL_RS232C_PHONEJACK TE m R1002 M3 DETECT 100 ma m M5 GND vs enp Lg KJA PH 1 0177 PEJO30 01 JK1001 JK1001 1 H 7mm ONLY 32LS3500 US MODEL H 10mm E c1000 COMMERCIAL PM_RXD PM_TXD L For Comsumer model use 4PIN Wafer THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION ss SECRET Lc ELECTRONICS MODEL ess DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics BLOCK GHEET Copyright 2012 LG Electronics Inc All right
2. CI SLOT O gt gt gt gt l 5 on 7 l l ij c1906 10V I NA ene P1902 10067972 000LE EN e e CI DATA 3 i bd CI DATA 4 CI DATA 5 y CI DATA 6 D e C1 DATA T l M gt R1919 e e e CI ADDR 10 e e CI ADDR 11 b gt d CI ADDR S ums b CI ADDR 14 e e i b p R1929 100 a ce ET o d d Riot ar YY 9 lur m cub e M CI ADDR 12 e e CI ADDR T ba e CI ADDR 6 e e CI ADDR S e e e e c l bi l t ADDR O CI DATA O m gt CI DATA L CI ADDR O 1 e e 0 14 CI DATA 2 e e e ead be l as l CI MISTRT MEET cr wen c Uu IM eM T PTT AM c CIIM MEI C R E ccc PE UP DIRECTE CI DETECT Si ee Jeer e mom ee m m SS SS SS mm TRAN cd l 3 3V Normal 3 3V CI l UN l l l l sen ena i BLM l C1 Cbi l l ip R91 roo c1902 d oes 0 1uF l d L L OS A e Se hee nns er se ee ls l CI POWER ENABLE CONTROL f tsy Normal 9 OPT R1914 R1912 22k 10K THE ZN 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 A Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service pur
3. I 1 0101 Boot from MIPS with SPI flash SOMATA Lane PCM_A 5 4 b0110 Boot from MIPS with SPI flash PCMDATA 3 GP10120 at Ca biota Scerar Mies win SCRAMBLE RETI ER ere ne PCM A 4 91010 Scerur ith SCRAMBL Mera 2 2 l A LA 0 14 EH PCMDATA 7 PF WP I TE o l Sen Ain E em y a p PCMADRID GP10125 PF CEl l lt 5 4 PCMADR 1 GPIO124 _REZ GP PE_OE i S n CHADRIZIUCRIOTA an mi E E a PCMADRI P10122 PE_WE 3 3V_Normal vs vss 2 103 a a E PCMADR 3 GPIO121 E gt PF_ALE A opt S a e E S S PCMADR 4 GP1099 F_RB R105 c MED 8 l a a a a PCMADR 5 GP10101 AR104 1K LED R BUZZ 22 e l PCMADR 6 GP10102 os ds e OO ap sex PCMADR 7 GP10103 AND MSS ERE a PCMADR 8 GP10108 oe PF AR102 e AUD MASTER CLK 0 Ad A f Pha EEES PCMADR 9 GP10110 GPIO PM 0 GPIO6 POWER DET 10K PF AL 2 e pum PCMADR 10 4 PM VART TX GPIO PM 1 GPIOT PM TXD PCM A 2 l eue eH Ebro GETO PM EST i 100pF A Lem PCMADR 11 GPIO_PM 2 GP INV PCM_A 1 sou x x x x x Ka PCMADR 12 GP 4 GPIO PM 3 GP109 RL_ON Y IPS B PCMADR 13 GPIO1 GPIO PM 4 GPIO10 POWER ON C 1 PCM A O 9 PCMADR 14 G 06 PM UART RX GPIO PM 5 GP1011 pm_rxp 22 m E ufos fai PM SPI SCZ1 GPIO PM 6 GPIO12 PF WP 3 3 al 3 5 oer L d E a B PCM R PCMREG_N G GPIO PM 7 GP1013 FLASH WP AEN IGENE e oe PCM OE PCMOE_N GP10113 GPIO_PM 9 GPIO15 PANEL L PCM_WE PCMWE_N GP10197 Li M 10 GPIO16
4. i 0 1uF sov SCART1 Rout PES DTV MNT R C SCART AU DTV MNT_L _R_OUT MMBT3 DIO MUTI uj MM 906 NXP EU_OPT R2844 10K T D EU OPT luF THE ZN 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 N Copyright O 2012 LG Electronics Inc All rights reserved Only for training and Service purposes SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELELTRONILS MODEL 22 5782 DATE BLOCK HEET LGE Internal Use Only AUDIO AMP STASSORBWE SPEAKER_L IC3400 STA380BW SPK R 49 TVWHSHL SPEAKER R AMP MUTE P3400 WAFER ANGLE SPK_L se POWER_DET SPK_L e sPK R e SPK R e THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION O SECRET LG ELECTRONS MODEL seers DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics BLULK SHEET Copyright O 2012 LG Electronics Inc All rights reserved LGE
5. 6 Model name amp Serial number D L Press Power on key of service remote control Baud rate 115200 bps Connect USB to RS232 Signal Cable to USB Jack Write Serial number Must check the serial number at the Diagnostics of SET UP menu Refer to below Software Update EN LI Picture Test L3 Sound Test LI Signal Test 7 Product Service Info 6 1 Signal Table CMD LENGTH ADH ADL DATA_1 Data_n cs DELAY CMD AOh LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data_1 Data_n Delay 20ms 6 2 Comand Set Adjust mode CMD hex LENGTH hex Description EEPROM WRITE AOh 84h n n bytes Write n 1 16 13 Description FOS Default write 7mode data write Vtotal V Frequency Sync Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM LGE Internal Use Only 6 3 Method 8 notice 7 MAC Address amp Cl key download 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing 7 1 MAC Address Technology Group 7 1 1 Equipment amp Condition 3 Serial number D L must be conformed when it is produced in Play file Serial exe production line because serial number D L is mandatory by MAC Address edit D book 4
6. 64 QAM 128 QAM and 256 QAM gt DVB S S2 symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 4 3 5 4 5 5 6 8 9 9 10 4 Scart Jack 1EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT analog 5 Video Input RCA 1EA PAL SECAM NTSC 4 System PAL SECAM NTSC PAL60 6 Component Input 1EA Y Cb Cr Y Pb Pr Analog D SUB 15PIN TB RGB PC Some models LD21A LD21C are not supported HDMI1 DTV DVI PC HDMI version 1 3 8 HDMI Input 3EA HDMI2 DTV Support HDCP HDMI3 DTV The number of Input ports is different by model In case of the RGB DVI Audio input 9 Audio Input 2EA oe Some models LD21A LD21C are not supported P Component amp AV s audio input is used by common port 10 SDPIF out 1EA SPDIF out Some models LD21A LD21C are not supported Antenna AV1 AV2 Component RGB 11 Earphone out 1EA HDMM HDMI2 HDMI3 Some models LD21A LD21C are not supported 12 USB 1EA EMF DivX HD For SVC download JPEG MP3 DivX HD CI UK Finland Denmark Norway Sweden Russia Spain DVB T Ireland Luxemburg Belgium Netherland Cl France Canal Italy DGTVi 13 DVB CI Switzerland Austria Slovenia Hungary Bulgaria DVB C Cl Switzerland UPC Cablecom Netherland Ziggo Germany KDG CWB Finland labwise DVB S CI Germany Astra HD 14 Ethernet 1EA DLNA Wired DMP only Some models LD21A LD21C
7. FF FF FF FF FF FF 00 1E 6D a b 10 C 01 03 80 AO 5A 78 OA EE 91 A3 54 4C 99 26 20 OF 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 40 45 00 AO 5A 00 00 00 1E 66 21 50 BO 51 00 1B 30 50 40 70 36 00 AO 5A 00 00 00 1E 00 00 00 FD 00 3A 60 3E 1E 53 10 00 OA 20 20 20 20 20 20 d 70 d 01 e 80 02 03 22 F1 4E 10 9F 04 13 05 14 03 02 12 20 21 90 22 15 01 26 15 07 50 09 57 07 f AO f 01 1D 80 18 71 1C 16 20 58 2C 25 00 20 C2 NO Item CMD 1 CMD 2 Data 0 Enter Adjust Adjust MODE Mode In When transfer the Mode In x i o po Carry the command Automatically adjustment The use of a internal pattern ADC adjust ADC Adjust A D 110 BO 31 00 00 9E 01 1D 00 72 51 DO 1E 20 6E 28 55 00 CO 20 C2 31 00 00 1E 02 3A 80 18 71 38 2D 40 58 2C DO 45 00 AO 5A 00 00 00 1E 01 1D 00 BC 52 DO 1E 20 EO B8 28 55 40 C4 8E 21 00 00 1E 00 00 00 00 00 00 FO 00 00 00
8. P Number 12 12 2 2 7 7 3 2 LAN PORT inspection PING TEST Play the LAN Port Test Program Connect each other LAN Port Jack Play Test F9 button and confirm OK Message Remove LAN cable e PingTest 3 1 2 3 4 Cem E Copyright O 2012 LG Electronics Inc All rights reserved 15 Only for training and service purposes LGE Internal Use Only BLOCK DIAGRAM d15 9d4 we 1 9PIS Famgosevis ARIAS dV olpny Abel asn wa da a a e CAJA LA3 4 vasnos r7 jeujeu13 YOSNIS Z 0lv1va SL D Adidas L olvivd si 34 Iz olv1va Wod ul ipny IAG Dd pL elv WOd Jeyng vVCXO WA LOLOI NH 898 VILLZOT Z olv Wod l ue LOS NI SAD LOS Tivos 1NOA 33 HIT a 9d A SINO l SCH B IAQ Z IWGH Je9y HANISZ v0L2I pjuauodwog d L9NINSHH LOIWTZIA Od 8120 COOC lt gt PPY edad 1197 dis aL019 seno nl SSA ZHOS QH4 san 09yS9 009 S1 Jo 1de x3 LGE Internal Use Only 16 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by AN in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts
9. 0 Input Start End MAC address Manual Download Model Name and Serial Number 7 1 2 Download method If the TV set is downloaded by OTA or Service man sometimes 1 Communication Prot connection model name or serial number is initialized Not always There is impossible to download by bar code scan so It need roma Re 2026 sab a i emm Manual download Le L ND TP 1 Press the Instart key of Adjustment remote control EE E a 2 Go to the menu 6 Model Number D L like below photo PCBA USB Port USB to Serial Adapter RS 232C Cable PC RS 232C Port 3 input the Factory model name or Serial number like photo end eg s on Connection PCBA USB Port USB to Serial Adapter Hee a 1 Serial Num BKIYT107 UC 232A RS 232C cable PC RS 232C port 5 Syriam Caution LJ21 chassis support only UC 232A driver only 7 Test Option ernal AD Press OK to S si use this one 2 MAC Address 8 Cl Key Download RN Set Cl Key path Directory at Start Mac amp Cl Download POL DB LD CF L I men Programme Com 1 2 3 4 and 115200 Baudrate 4 Check the model name Instart menu Factory name displayed ex 32LV3400 ZG 5 Check the Diagnostics DTV country only gt Buyer model displayed ex 32LV3400 ZG Start MAC Address End MAC Address PETT PERA j eji See Ce Key SEND F3 siene opa GP4_LOW si MAC Address Message Cle Retum Message
10. 00 00 00 00 00 00 00 00 00 00 00 00 e Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Componenti Input 480i ad 00 10 Adjust 480i Comp xb 00 60 RGB Input 1024 768 only LD21B ad 00 10 Adjust 1024 768 RGB only LD21B aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 EDID Download After enter Service Mode by pushing ADJ key Enter EDID D L menu Enter START by pushing OK key EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group 6 Area Option 7 ADC Calibration 8 White Balance 9 10 Point WB 10 Test Pattern EDID D L 12 Sub B C 13 Touch Sensitivity Setting lt Caution gt Never connect HDMI 88 D sub cable when EDID downloaded Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 3 Detail EDID Options are below a Product ID MODEL NAME HEX EDID Table DDC Function HD FHD Model 0001 01 00 Analog Digital b Serial No Controlled on production line c Month Year Controlled on production line ex Week 01 gt 01 Year 2012 gt 16 fix d Model Name Hex cf TV set s model name in EDID data is below Model name MODEL NAME HEX LG TV 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 LG TV ser HE e Checksum Changeable by total EDID
11. 1 3A pa a 12v 15 m m V V 7 a a 12V_LNB A cod YA T LNB Zi g P L2701 IN a BLM18PG121SN1D E an a Sije E Z Ie oo ov 2 o 2 o a a RI RI o o o o o ee A GND DEMOD SDA DEMOD_SCL THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR LO ELEL TRONILS THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK ve s SHEET LGE Internal Use Only SCART COMPONENT COMP ESE COMPONI ENT2 MP2 NON ADC FILTER L2807 1 n ANN COMP2 ADC FILTER _Y AV_C COMPONENTI R2800 GND GN GN G s 1 PEEN D2814 c283 20v J a7 SI REAR AV R2837 10K 1 REAR_AV C2813 0 luF 16v COMP2 ADC FILTER L 12506 S CM2012FR10KT Leni E LUG es T COMP2_Pb GN O SPRING L R2824 uS I GN CONTACT BL E LUG S COMP2 NO _FILTER COMP2_ADC
12. 1920 1080 26 97 23 976 74 176 HDTV 1080P 15 1920 1080 33 75 30 00 74 25 HDTV 1080P Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ADJUSTMENT INSTRUCTION 1 Application Range This specification sheet is applied to all of the LCD TV with LD2AW chassis 2 Designation 1 The adjustment is according to the order which is designated and which must be followed according to the plan which can be changed only on agreeing Power adjustment Free Voltage Magnetic Field Condition Nil Input signal Unit Product Specification Standard Reserve after operation Above 5 Minutes Heat Run Temperature at 25 C 5 C Relative humidity 65 10 96 Input voltage 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig Service remote control 7 Push the IN STOP key For memory initialization gt 2 3 4 5 Casel Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key 3 Push Power on key 4 Function inspection 5 After function inspection Push In stop key Case2 Function check at the assembly line 1 When TV set is entering on the assembly line Push In stop key at first 2 Push Power on key for turning it on gt If you push Power on key TV set will recover channel information by itse
13. Adjustment remote control 3 Cover the Eye Q II sensor on the front of the using your hand and wait for 6 seconds 4 Confirm that R G B value is lower than 10 of the Raw Data Sensor data Back light If after 6 seconds R G B value is not lower than 10 replace Eye Q Il sensor 5 Remove your hand from the Eye Q Il sensor and wait for 6 seconds 6 Confirm that ok pop up If change is not seen replace Eye Q II sensor f Sensor Data 127 1V Backlight 75 4 3 Outgoing condition Configuration m When pressing IN STOP key by SVC remocon Red LED are blinked alternatively And then automatically turn off Must not AC power OFF during blinking Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 5 HI POT Test 5 1 HI POT auto check preparation Check the POWER cable and SIGNAL cable insertion condition 5 2 HI POT auto check 1 Pallet moves in the station POWER CORD AV CORD is tightly inserted 2 Connect the AV JACK Tester 3 Controller GWS103 4 on 4 HI POT test Auto If Test is failed Buzzer operates If Test is passed GOOD Lamp on and move to next proc ess automatically 5 3 Checkpoint 1 Test voltage Touchable Metal 3KV min at 100mA SIGNAL 3KV min at 100mA 2 TEST time 1 second case mass production 3 TEST POINT Touchable Metal gt LIVE 8 NEUTRAL Touchable Metal SIGNAL gt LIVE 8 NEUTRAL SIGNAL
14. IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 1 Remove the defective copper pattern with a sharp knife Remove at least 1 4 inch of copper to ensure that a hazardous condition will not exist if the jumper wire opens 2 Trace along the copper pattern from both sides of the pattern break and locate the nearest component that is directly con nected to the affected copper pattern 3 Connect insulated 20 gauge jumper wire from the lead of the nearest component on one side of the pattern break to the lead of the nearest component on the other side Carefully crimp and solder the connections CAUTION Be sure the insulated jumper wire is dressed so the it does not touch components or sharp edges LGE Internal Use Only SPECIFICATION 1 Application range This specification is applied to the LCD TV used LD2AW chassis 2 Requirement for Test Each part is tested as below without special appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 C 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage AC 100 240 V 50 60 Hz 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 5 minutes prior to the adjustment 4 Model General Specification NOTE Sp
15. Internal Use Only Only for training and service purposes 5 LG Life s Good Contents of LCD TV Standard Repair Process No Error symptom High category Error symptom Mid category No video Normal audio Ca enn Ao Tuning fail Picture broken Freezing aa ESE lz Vertical Horizontal bar residual image light spot external device color error Nopower BEN B Power error Off when on off while viewing power auto on off No audio Normal video a po C Audio error Z E EN Wrecked audio discontinuation noise Me Mn Remote control amp Local switch checking a ee D Function error B 1 External device recognition error IE NEN 13 Exterior defect 1 O First of all Check whether there is SVC Bulletin in GCSC System for these model Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Contents of LCD TV Standard Repair Process Detail Technical Manual Check LCD back light with nakedeye AL A Video error_ No video Normal LED driver B 24V measuring method A2 RM CheckWhiteBalancevaue Jafo oo o Power Board voltage measuring method A4 A Video error_ No video Video TUNER input signal strength checking method A5 lt Lop Tv comecton daoen a A8 Mean Check Link Cable LVDS reconnection E condition A9 Adjustment Test pattern ADJ Key LCO TV connection diagram A Video error Vertical Horizontal bar C
16. Use Only Only for training and service purposes FROM LIPS amp POWER B D W 3 5V 8T PANEL POWI w item 3 3V Normal 1 5V_DDR iH R FOR 200HZ PWM DIM2 d IC407 AP7173 SPG 13 HF DIODES EP e vy POWER_DET Ma yay MMBT3906 NXP 0402 R40 1 3 E NORMAL 24V RL AP 418 R405 mi 2 2K THERMAL 9 3 3V Normal x ERROR_OUT is used fot amp CCFL EEFL models SE n other words ED models need not use He PD_ 24V_PWR_DET_DIODES Power_ DET FOR LPB Download 2 5V Normal 2 5V 1 383V To LED DRIVER FOR LPB MODEL 407 P40 12507WR 08L LOCAL DIMMING L DIM SCLK L DIM MOSI FOR LPB MODEL R183 33 L DIM VS FOR LPB MODEL L DIM R617 S7LR core SN C USB volt R410 10K e IC401 AOZ1051PI EP LX PGND N 1 8 x vin Eo MES 5 ND EN B comp 3A l Vout 0 8 1 R1 R2 FO
17. are not supported Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 5 Video resolutions 2D 5 1 Component Input Y Csa Ps Cr Pr No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed 1 720 576 15 625 50 00 13 5 SDTV DVD 5761 2 720 480 15 73 60 00 13 5135 SDTV DVD 4801 3 720 480 15 73 59 94 13 50 SDTV DVD 4801 4 720 576 31 25 50 00 27 00 SDTV 576P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 480 31 47 59 94 27 00 SDTV 480P Y 1280 720 37 50 50 00 74 25 HDTV 720P 8 1280 720 45 00 60 00 74 25 HDTV 720P 9 1280 720 44 96 59 94 74 176 HDTV 720P 10 1920 1080 28 125 50 00 74 25 HDTV 10801 11 1920 1080 33 75 60 00 74 25 HDTV 10801 12 1920 1080 33 72 59 94 74 176 HDTV 10801 13 1920 1080 56 25 50 00 148 50 HDTV 1080P 14 1920 1080 67 50 60 00 148 50 HDTV 1080P 15 1920 1080 67 432 59 94 148 352 HDTV 1080P 16 1920 1080 27 00 24 00 74 25 HDTV 1080P 17 1920 1080 26 97 23 94 74 176 HDTV 1080P 18 1920 1080 33 75 30 00 74 25 HDTV 1080P 19 1920 1080 33 71 29 97 74 176 HDTV 1080P 5 2 RGB Input PC No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed DDC 1 640 350 31 468 70 09 25 17 EGA X 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 800 600 37 879 60
18. data FHD 8 Bit EDID C S data HDMI RGB Block 0 43 5C Check sum 25 HDMI1 Hex Block 1 15 HDMI2 05 HDMI3 f Vendor Specific HDMI Input Model name HEX HDMI1 67030C001000801E HDMI2 67030C002000801E HDMI3 67030C003000801E LGE Internal Use Only 3 4 Function Check Check display and sound m Check Input and Signal items 1 TV 2 AV SCART CVBS 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz RGB input LD21B only support 5 HDMI 6 PC Audio In except LD21A chassis model Display and Sound check is executed by Remote control Caution Not to push the INSTOP key after completion if the function inspection 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CCFL EEFL gt CH9 Test signal Inner pattern BOIRE LED CH14 Test signal Inner pattern BOIRE f it is executed W B adjustment in 2 3 minutes H run it is adjusted by Target data Mode Temp Coordinate spec Target AAA veum 93004 ZE venae alg wan mmm rost ooon as Edge LED W B Table in process of time LGD module 8 65 AUO module Aging Cool Medium Warm GP4 time X y x y x y Min 269 273 285 293 313 329 0 2 280 287 296 307 320 337 3 5 279 285 295 305 319 335 6 9 277 284 293 304 317 334 10 19 276 283 292 303 316 333 20 35 274 280 290 30
19. should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer Stand Base Body Set Stand Copyright 2012 LG Electronics Inc All rights reserved 247 5 LGE Internal Use Only Only for training and service purposes 10102 he eeh PR ae Sets NAND FLASH MEMORY i cria idc l CHIP Config LED R BUZZ S Boot from SPI CSIN EXT_FLASH 1 bO Boot from SPI CSON INT FLASH 1 b1 Te wor LGE2111A T8 NAND_FLASH_1G_NUMONYX EAN60762401 os 22 AR101 lt CHIP Config gt I2S OUT BCK I2S OUT MCK PAD PWM1PAD PWMO PCM_D 0 7 C S7LR2_DIVX_MS10 PCM_D 0 w21 Nen e 101 GP10126 b0000 Boot from 8051 with SPI flash b0001 Secu PCM A 7 e B51 without scramble b0010 Secure B51 with scramble PCMDATA 1 G
20. 0 314 330 36 49 272 277 288 297 312 327 50 79 271 275 287 295 311 325 80 119 270 274 286 294 310 324 o oj o 3 o N Over 120 269 273 285 293 309 323 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Connecting picture of the measuring instrument On Automatic control Inside PATTERN is used when W B is controlled Connect to auto controller or push Adjustment R C POWER ON gt Enter the mode of White Balance the pattern will come out Full White Pattern KA A CA210 RS 232C Communication COLOR ANALYZER TYPE CA 210 Auto control interface and directions 1 Adjust in the place where the influx of light like floodlight around is blocked illumination is less than 10 lux 2 Adhere closely the Color analyzer CA210 to the module less than 10 cm distance keep it with the surface of the Module and Color analyzer s prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 5 minutes Using no signal or POWER ONLY or the others check the back light on Auto adjustment Map using RS 232C to USB cable RS 232C COMMAND 12 CMD ID DATA Wb 00 00 White Balance Start Wb 00 ff White Balance End RS 232C COMMAND CENTER CMD ID D
21. 1 MDQL2 MDQL3 MDQLA MDQLS MDOL6 MDQL MDQUO MDQU MDQU2 MDQU3 MDQU4 MDQU5 MDQU MDQU HYNIX DDR_160 HYNIX B MCKB AVDD_DDRO Y Lo ELECTRONICS B MAO B MAL B MA2 B MA3 B MAG B MAS Br B MAT B MAB B MA9 MALO MALL MA12 00000000000000 B B E E MA13 B MBAO C B MBAl C B MBA2 C MCKE lt 7 B MODT CA B MRASB OO B MCASB CO B MDML CO B MDMU CO B MDQLO CA B MDQL1 CO MDQUO JO MDQU1 CO MDQU2 CCI QU3 CO B MDQU4 OO Mous CO EAN61828901 IC1202 H5TO1G63DFR H9C AO Al A2 A3 A4 AS A6 ae AB An DDR_1333_HYNIX ALO AP All M2 N8 M3 37 KT KI 12 M8 C B MVREFCA a VREFDO C B MVREFDQ os R1226 La 240 1 AVDD B2 D9 1227 67 osC1228 2 ost1229 osti230 RI s 1 cs afefe a DDR DVB T2 2G DDR DVB T2 DDR 1600 CRON 0sC1231 051232 051233 5561234 051235 SC1236 MA14 DDR 1600 MICRON IC1201 1 K4B1G1646G BCH9 IC1201 2 NT5CB64M16DP CF 333 NANYA NEN EANG1857201 VREFCA a1 Le B2 n9 K2 Ka m N9 RI R PL Pa TI T9 ve M3 IC1202 1 K4B1G164
22. 1 PM MC 5v PCM_IORD PCMIORD N GPIO111 0 PM 11 GPI017 AMP_MUTE R147 33 PM_SPI_SCK GPIO1 ks 3RIS4 22 Ri4g 33 PCMCE N GPIO115 PM SPI CZ0 GPIO PM 12 GPIOO0 C spr_ OPT PCMIRQA N GPIO105 PM SPI GP102 F SPI_SDI R151 3 PCMCD_N GP10130 PM SPI SDO GPIO3 SPI Spe PCMWAIT N GPIO100 PCM_RESET GP10129 PCM WAIT PCM RST K GP IC TS_VAL NAND FLASH 1G 88 NAND FLASH 1G TOSHIBA K GPIO87 Ds l EAN61857001 EANGI508001 USB1_OCD PCM2 CE N GPIO131 TSOVALID GPIO85 SCSYN C102 2 1c102 3 USB1_CTL PCM2 IRQA N GPIO132 0 2 GPIOS6 CI TS DATA 0 7 3 from CI SLOT GosvoD TCSENVGOSZETAOBBBH PCM2 CD N GPIO135 DATA O DATATI PCM2_RESET G 1 GP1078 CI TS DATA Z 2 GP1079 PCM 5V STL PCM2 WAIT N GPIO133 01 6P1077 NC 29 d to delete CI or gate for ERROR OUT TDATATS NC 28 u UARTI TX GPIO43 3 GPIO80 an EE MSTAR IC101 Multi package 11 11 18 UARTI_RX GP104 4 GP1081 CI TS BATATS UART2_TX G 5 GPIO82 TS DATA 6 NC 26 UART2 RX GP GP1083 c 5 7 TE US Mules VD CM Multi WI KR Multi ey Reg CI TS DATAT S JH TA its UART3_TX GP104 71 GPIO84 1 08 LGE2111A TE LGE2111A VD LGE2111A W1 MULTI for SYSTEM EEPROM UAR
23. 3 226 o o47ud va 268 c272 ee SC1_CVBS_IN TUE d s GND_21 GND_1 l I EXIME caz7 to ce F E COMP2 Y AV CVBS IN ET RXD 0 RP GP1060 FT e EPHY RP 10V GND_22 GND_12 cs PHONE HEAD PHONE l ET TXb 0 TP GP105 e EPRY TP l cND 128 enp 129 R249 33 6230440 A6 E AV CVBS IN2 I I 14 ET_RXD 11 RN GPIO63 E EPAY RN I GND_1 opt opt pigro _TXD 1 LED1 GPIO56 SOC_RESET l enp ral DTV MNT_VOUT enp 132 I I 85 SWICH ES z ET_TX_CLK 1N GP1059 F EPRY TN 3 5V_ST 38200 GND_1 R252 68 C233440 047uF lapa c3 a a ca 1 H ET_TX_EN GPIO58 R263 H W opt A TECTA See uu 255 eT_MDc GP1061 5 ETHERNET B 53 D DI et Gesi SES te l Close to MSTAR 1 NDO GPI062 m 7 l BT COL LEDO GP1055 l sTby 3 5V l mmer MIUVDDC me um erem mE S l 3 BLMISPGI215N1D Na SYON R21 IRIN GPIO4 Jan ANOU io TIS T6 R210 33 6231 0 047uF RESET AVDD_NODIE ARCO 1 ge c4071 NS DM ARC oui aac 200 L206 mes 0s r an THE JA SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics MODEL T 55577 DATE ic ELECTRONICS SHEET Oo Copyright 2012 LG Electronics Inc All rights reserved LGE Internal
24. 31 40 00 VESA SVGA O 5 1024 768 48 363 60 00 65 00 VESA XGA O 6 1152 864 54 348 60 053 80 00 VESA O 7 1360 768 47 712 60 015 85 50 VESA WXGA O 8 1920 1080 67 5 60 148 5 HDTV 1080P O Copyright 2012 LG Electronics Inc All rights reserved 8 LGE Internal Use Only Only for training and service purposes 5 3 HDMI Input PC DTV No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark PC DVI DDC 1 640 350 31 468 70 09 25 17 EGA X 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 800 600 37 879 60 31 40 00 VESA SVGA O 5 1024 768 48 363 60 00 65 00 VESA XGA O 6 1152 864 54 348 60 053 80 00 VESA O 7 1360 768 47 712 60 015 85 50 VESA WXGA O 8 1280 1024 63 981 60 020 108 0 VESA SXGA O FHD only 9 1920 1080 67 50 60 00 148 5 HDTV 1080P O FHD only DTV 1 720 480 31 47 59 94 27 00 SDTV 480P 2 720 480 31 50 60 00 27 027 SDTV 480P 3 720 576 31 250 50 00 27 00 SDTV 576P 4 1280 720 37 50 50 00 74 25 HDTV 720P 5 1280 720 45 00 60 00 74 25 HDTV 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P T 1920 1080 28 125 50 00 74 25 HDTV 10801 8 1920 1080 33 75 60 00 74 25 HDTV 10801 9 1920 1080 33 72 59 94 74 176 HDTV 10801 10 1920 1080 56 250 50 00 148 50 HDTV 1080P 11 1920 1080 67 50 60 00 148 50 HDTV 1080P 12 1920 1080 67 432 59 94 148 352 HDTV 1080P 13 1920 1080 27 00 24 00 74 25 HDTV 1080P 14
25. 4 CO 57 Ei E L ID A moun KOD Awun LD a upoxo LO a upou1 LC a upou2 Lauer a3 TIO A MDOL4 2 L LC a mpous a LO a mpou7 vsso_3 TO Amen vsso 4 e LO a upou2 a Se LO a upou3 T a upoua T a upous LC a upous TI A MDQU7 THE ZN 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 A SYMBOL MARK OF THE SCHEMETIC Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes A MRESETB A MbQSLL A MDQSLB 5 MDQSU LD A MDQSUB A MDML gt A mDMU gt A MDQLO gt A MDQL1 gt A MDQL2 gt A MDQL3 gt MDQL4 gt MDQL5 gt MDQL6 gt A MDQL7 gt A MbQUO gt MDQUI mpgu2 gt MDQU3 gt MDOU4 gt MbQUS gt MbQU6 gt MDQU7 SECRET LGElectronics All C14 B11 F12 E12 A14 D11 814 D12 cie C13 A15 Ell B13 gt e e Ss S F11 D17 615 821 FIS B22 F14 A22 D15 R1227 R1228 1239 luF c1217 wo us o o Cup C12 F c1251 No e IC101 LGE2111A T8 S7LR2 DIVX MS10 A DDR3 A 0 B_DDR3_A 0 B DDR3 A 1 B DDR3 A 2 B DDR3 A 3 B DDR3 A 4 B DDR3 A 5 B DDR3 A 6 B DDR3 A 7 B DDR3 A 8 B DDR3 A
26. 4TuF M c 2 20F PC AUDIO AVSS_PGA VES DORE 1 BINOP t LIN i Rave TER AVDD_DDR1_D_ 233 Wa B c209 fo oa7ar ma Ab 5 SNE was pb SIMON R_IN AVDD DDRI LI A W c219 100 M NES EE enoppeooer pon l l ES TE with width trace gasses 4 LI E AUDIO IN l STPS 3 4 a E a ke a zm zm l MTS 4 J GND n I ve oTaupro our AS iL m LE eed a Sp COMP2 R253 33 C211 0 047 Se Ge Se REI RINI vouTL2 O scarti tout lll zu n eee l CoMp2 R254 A 68 C212440 04 fius 1 SCH RINIM I emp COMP2 a R259 33 B C213 0 0 yo k l sor escour v TE E Se 10208 DDR3 1 5V a gS 2s T2 ernim gt SCARTI Rout GND 109 i coma es 3 gem fo lee ens Yers ub ae COMP2 R258 6 c216 DH A zm zm GN 2 eu ema GND_111 I zx pi SOGIN1 WR GND_112 e EN AVO BAUNSA GND 113 1 5V_RDR oe i AvDD MIU l END_9 emp 114 l I JE RIN2P LM18PG121SN1D l GND_11 GND_116 se czis foo d x anba cuis 1 7 R239 V 33 c220 fo Ds k I GIN2P AUVRM i l GND 118 B24 pp E c221 fo ation D I 2 po enp 119 R241 33 222 0 0 AES SE S 2 EEN comp2 m 1N2P avvas Ki E m GND_120 I EXT ga 22 as em emis BIN2M AUVRP GND 121 3 eut 2 H P OUT 122 a a le SOGIN Ce ans 1203 CUE HEAD PHONE I d 7 l m I 122 CVBS In OUT ARS 1205 CE HEAD PRONE gt es ROUT 1 GND_19 GND_124 TU CVBS l sou JE eye ms n GND_20 GND_125 R245 VY 3
27. 6G BCH9 1C1202 2 NT5CB64M16DP CF DDR 1333 NANYA NEW EANG1857201 pauo poul Dou2 Dou3 Dova Dous Doue Dou ODEL LOCK HEET LGE Internal Use Only Serial Flash for SPI boot S FLASH MAIN MACRONIX 1C1401 MX25L8006EM21 12G S FLASH MAIN WINBOND 1C1401 1 W25080BVSSIG THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION E SECRET Ls ELECTRONICS ioe AAA BTE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes BLOCK SHEET Headphone CIE qo HEAD PHONE HP ROUT E THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION E SECRET Ls ELECTRONICS DE DATE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes BLOCK SHEET CI Region
28. 9 B DDR3 A 10 B DDR3 A 11 B DDR3 A 12 B DDR3 A 13 B DDR3 A 14 DDR3 A 1 _DDR3_A 2 __DDR3_A 3 _DDR3_A 4 __DDR3_A 5 _DDR3_A 6 _DDR3_A 7 __DDR3_A 8 _DDR3_A 9 A DDR3 __DDR3_ CHEN __DDR3_ __DDR3_ A DDR3 B_DDR3_BA 0 _DDR3 B_DDR3_BA 1 __DDR3 B_DDR3_BA 2 HIER B_DDR3_MCLK DDR3_ B_DDR3_MCLKZ _DDR3_ B_DDR3_MCLKE _DDR3_ B_DDR3_ODT __DDR3_ B_DDR3_RASZ _DDR3_ B_DDR3_ DDR3 B_DDR3_1 _DDR3_ B_DDR3_RES DDR3 B DDR3 DO DDR3 B DDR3 DOSLB A_DDR3_ B_DDR3_DQSU _DDR3_D __DDR3_DQML B_DDR3_DQML A_DDR3_DQMU B_DDR3_DQMU _DDR3_DQL 0 DDR3 DOLIO DDR3 DOL 1 B DDR3 DOL 1 _DDR3_DQL 2 DDR3 DOL 2 DR3 DOL 3 DR3 DOL 4 DR3 DOL 5 DR3 DOL 6 DR3_DQLI7 DDR3_DQL 3 _DDR3_DQL 4 _DDR3_DQL 5 _DDR3_DQL 6 _DDR3_DQL 7 DDR3_DQU O L DDR3 DOU L DDR3 DOU _DDR3_DQU DDR3 DQU 4 DDR3 DQU 5 _DDR3_DOUL _DDR3_DOQUI6 A_DDR3_DQU 7 DR3_DQUI7 DR3_DQUIO DR3_DQUI1 DR3 DOU 2 DR3 DOU 3 DR3 DOU 4 DR3 DOU 5 DD 1600 SS DDR 1600 ss als fo lm SIS fs ka m afe o Is als S S F25 N KIN 3 4 4 3 M24 3 3 3 K2 Cs Cs w w cs LIB lt a ef Cs cs lt a CIs Cs cs cs ef Cs DDR 1600 B MCKB MBAD MBAL MBAZ MCK MCKE MODT MRASB MC SB MWEB MRESETB MDQSL MDQSLB MDO MDQS MDML MDMU MDQLO MDQL
29. AGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright 2012 LG Electronics Inc All rights reserved LG ELECTRONICS BLOCK stxexwer SEET LGE Internal Use Only Only for training and service purposes GP4R GLOBAL TUNER BLOCK ERROR amp VALID PIN 33 9vTU opt 7 R2627 RF_SWITCH_CTL E o 3 3V_TU 8 0 1uF m TI close to TUNER SE V PE rs varer TU T C TU T2 C TU T C S2 TM R2611 100k TU2602 TU2603 TU2601 AM J TUNER_AESET rDSsSs G101D TIDSN G301D rDSQ GOO1D gang Ze adan eh l 3 3V TU V l NC NC 1 NC_1 nels Net e Ec aye e n gee pe Ge ie e e g RESET RESET RESET AN ser 5 R2870 sonn SCL SCL SCL TU_12C_NON FILTER pt3 3V_TU 3 3V_T
30. ATA MIN DEFAULT MAX Cool Mid Warm Cool Mid Warm R Gain jg Ja jd 00 172 192 192 192 G Gain jh Jb je 00 172 192 192 192 B Gain ji Jc jf 00 192 192 172 192 R Cut 64 64 64 128 G Cut 64 64 64 128 B Cut 64 64 64 128 lt Caution gt Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on OxCO and adjust other two lower than CO When R G B Gain are all CO itis the FULL Dynamic Range of Module LGE Internal Use Only Manual W B process using adjust Remote control After enter Service Mode by pushing ADJ key Enter White Balance by pushing Pp key at 8 White Balance EZ ADJUST White Balance 0 Tool Option1 1 Tool Option2 R Gain 2 Tool Option3 G Gain 3 Tool Option4 B Gain 4 Tool Option5 R Cut 5 Country Group G Cut 6 Area Option B Cut 7 ADC Calibration Test Pattern Backlight 9 10 Point WB Reset 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting After you finished all adjustments Press In start key and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key after completing the function inspection And Mechanical Power Switch must be set ON 4 2 EYE Q function check 1 Turn on TV 2 Press EYE key of
31. B D Replace Main B D N Replace Power B D Status Power off List Explanation Normal POWEROFF REMOTEKEY Power off by REMOTE CONTROL POWEROFF OFFTIMER Power off by OFF TIMER POWEROFF SLEEPTIMER Power off by SLEEP TIMER POWEROFF INSTOP Power off by INSTOP KEY POWEROFF AUTOOFF Power off by AUTO OFF POWEROFF ONTIMER Power off by ON TIMER POWEROFF RS232C Power off by RS232C POWEROFF RESREC Power off by Reserved Record POWEROFF RECEND Power off by End of Recording POWEROFF SWDOWN Power off by S W Download POWEROFF UNKNOWN Power off by unknown status except listed case Abnormal POWEROFF ABNORMAL1 Power off by abnormal status except CPU trouble POWEROFF CPUABNORMAL Power off by CPU Abnormal LGE Internal Use Only Standard Repair Process Error C Audio error gi cod ann symptom is dado ibi Revised date Check user Check audio B menu gt 24V of Power Speaker off Board Cancel OFF Replace Power Board and repair parts No audio Screen normal Check Speaker disconnection Disconnection Replace MAIN Board Replace Speaker Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error C Audio error mont a is Wrecked audio discontinuation noise gt abnormal audio discontinuation
32. G 3 3V Normal R1455 4 7K opt uss1_CTL usB2_cTL USB R1454 R14 10K 10K R1451 47 R1453 4 JK1450 1 3K1450 e USB1 ocp JKi451 1 JK1451 e USB2 OCD USB 1 32153500 USB 2 32183500 USB_2_NOR SB_ o G 3 e e SIDE USB2 DM i e SIDE USB2 DP Ak D1451 e A A D1450 RCLAMP0502BA RCLAMP0502BA opa li or THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS SECRET AA kee 16 ELECTRONICS BLOLK e rer MARE MODEL Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes HDMI 1 RE DERE 0802 MMBT3904 NXP HPD DO HDMIL D1 HDMIL D1 _HDMI1 D2 HDMIL D2 HDMIL T D802 HDMI 2 Normal D2 _HDMI2 THE ZN 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 A SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purpo
33. G 5 Port connection button click 1 Push the 2 MAC Address write At success Download check the OK 3 Start Cl Key Download Push the 4 Check the OK or NG IN START Adjust Check Adju ADC Data just Check Power Off Status 1 Country Group Pres 85 OK to Save System 1 Country Group Co System 2 Country Group odel Number D L Country Test Option 2 Area Option 183 External ADC 3 Tool Option ion RGB 0 02 T Spectrum Tool Option1 ion HDMI 0 02 10 Sync Level Tool Option2 H T Stable Count Tool Option3 d 12 ODC Test Tool Option4 Tool Option5 4 Adjust White Balance 5 Eus ADC 480i Component 1080p Component Oooo a w 132 _LGT10_x0000x Copyright O 2012 LG Electronics Inc All rights reserved 14 LGE Internal Use Only Only for training and service purposes 7 2 LAN Inspection 7 2 1 Equipment amp Condition Each other connection to LAN Port of IP Hub and Jig a IP 192 168 123 254 as 7 2 2 LAN inspection solution LAN Port connection with PCB Network setting at MENU Mode of TV Setting automatic IP e Setting state confirmation gt If automatic setting is finished you confirm IP and MAC Address PCBA JIG Ready Setting automatic IP 7 3 LAN PORT INSPECTION PING TEST Connect SET gt LAN port PC gt LAN Port 3 1 Equipment setting 1 Play the LAN Port Test PROGRAM 2 Input IP set up for an inspection to Test Program
34. I 4 ee Gp1039 LVAIN gt RXAL M24512 RMN6TP AT24C512C SSHD T ES s d EN l 5 C512C 88 FA AN AV CVBS DET E ss errosa LVA2P C nxa24 R Ki DSUB DET E a7 921941 LVA2N m gt RXA2 l a 1 cowPi DET ay 621042 LVA3P C RXA3 a up pET O sy eroas Lva3n H C axas AA Rp e PEN eral Tase n Ls Ass setos LVAAP C rxaat SE TUNER_RESET T sa erzoa9 LVAAN gt RXA4 linm mue cu E FRA AME E Shs R171 tial Beds an TM HDCP EEPROM mal EEPROM URSAS_ TL yy oo a erros1 LVBOP DO rxso Addr 10101 cia SS a Ss LL P em serosa avalon C rxso PM MODEL OPTION one SE 5 _SCKMO GPIO53 viis FO C exalt i i 2 per TN E e e HDCP_EEPROM EAN43349003 EAN43349004 MODEL oPT 2 P LVB2P gt RXB2 pels CR EEP ROM Tere DEMOD RESET C LVB2N Cas PROM CATZA4WCOSW T s rone m a C10 l AT24C256C SSHL T 10 LVB3P C RXB34 0 1uF NVRAM ATMEL 0 1uF ae NVRAM_ST NVRAM_RENESAS man Sen zg IC104 1 1C104 2 Gees gt expat Ae A M24256 BRMN6TP R1EX24256BSASOA l iN ZE denen HDCP_EEPROM iic sci R128 AN BEEN 1 WA PM_MODEL_OPT_1 DO RXACK pur EE SL yyy 22 I C niece HD gt ROM T A A jE ere GP10193 E wopEL oPT 4 pos EAN61133501 I GP10194 E mopeL oPr ED o San ux Gero195 C sz RESET I a a a a a a a mm EAN61548301 EAN62389501 THE N SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARD
35. K key 3 Punch in the number Each model has their number LGE Internal Use Only 3 1 ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing gt key at 7 ADC Calibration EZ ADJUST 0 Tool Option1 1 Tool Option2 2 Tool Option3 3 Tool Option4 4 Tool Option 5 5 Country Group 6 Area Option ADC Calibration ADC Comp 480i ADC Comp 1080p ADC RGB 8 White Balance 9 10 Point WB 10 Test Pattern 11 EDID D L 12 Sub B C 13 Touch Sensitivity Setting lt Caution gt Using power on key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 3 3 EDID data 1 FHD RGB EDID data RGB input only LD21B support 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FE FF FE FF FF oo 1E 6D a b 10 c 01 03 68 AO 5A 78 OA EE 91 A3 54 4C 99 26 20 OF 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 40 45 00 AO 5A 00 00 00 1E 66 21 50 BO 51 00 1B 30 50 40 70 36 00 AO 5A 00 00 00 1E 00 00 00 FD 00 3A 60 3E 1E 53 10 00 OA 20 20 20 20 20 20 d 70 d 00 e 2 FHD HDMI EDID data 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00
36. O HDMI4 gt I tear l E VDD33 Ho VDD DVI U RADII 1211 3 eg D2 _HDMIA age RXC2N B1_DM l SIDE USB1 DM BLM18PG1218N1D DD_DVI_USB_2 aal I aos pococ_ba ep 1028 SB1_DP SIDE_USB1_DP an VDD3P3 MPLL er ADE opcoc_cx cPi027 ber den l VbD DMPLL EN E UGC GPIO E 0270 C271 C273 c274 I HOTPLUGC GP1021 Sieg Foliure0 luF SE Los Po tus DEMOD_S 1 T F2 ck _apr2 L I Revcke E DEMOD_SDA F AVDD_AU3 gei CK _HDMI2 Ga RXDCKN s 0149 COMP2 DET AVDD_AU33 d VDD_AL DO HDMI2 I Fem Bx002 AE DD_EAR33 DO _HDMI2 m es C5 Xp s k x AVDDZ5_PGA 13mA l DI HDMI2 sem RXD1P Auo master cuk o l vop33 a D1 HDMI2 I mE 125 OUT C AUD L amp cH l nz I us exo20 l RXD2N I2S I F Jeng AVDD_LPLL_1 I DDCDD_DA GP1030 a l me AVDD_LPLL_2 vs PREDD cK GRIOZI 125 OUT WS gt AUD LRCK I HOTPLUGD GP1022 vpp33 lt VDDP NAND I Ra ano 2 obiit 2 1 coMP at avoo2g s Se Sen XII 3 l m a a a a mmm a an am am am an an an an ZI COMP1I R IN AVDD_MIU AVDD_DDRO_D_1 R4024 510 P2 S 1219 aes S DSUB_HSYNC e EE l IMISPEIZTSNID AVDD DDRO D 2 DSUB_VSYNC I 1 OT EC SE x Fr AVDD DDRO D R228 3 C204 ODA TUE N AT la DSUB R auis ad H ra T ay D ner l AVDD DDRO C a I I NE E ca n S iss R2 ay ca EEN See 2 EE ACEN 0 luF AVDD_DDR1_D_1 Em a coo OATES T HE l EEN l F araram Kee acm lCOMP2 R I EE AVDD_DDR1_D_2 Ra V 33 W czos o o
37. R LPB MODEL THE ZN 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 SECRET THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes Y Lo ELECTRONICS MODEL Jer DATE BLOCK oner raran SHEET LGE Internal Use Only IR LED and control for normal models 12401 BLM18PG121SN1D C906 T Hart 3 THE ZN SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION os pel Lo ELECTRONICS MODELS DALE THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics BLOCK SHEET Ea aaa Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes USB EDE USB1_DIODES USB2_DIODES EM V GEN aso GER AP2191DSG MIB 2012095 0120P5N2 AP2191DSG MLB 201209 129 Ne y_USB our j 7 TT I T c1452 3 OUT 10uF Crags 10V 0 1uF FL
38. S WHEN SERVICING IF IS SECRET ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE N SYMBOL MARK OF THE SCHEMETIC LGElectronics MODEL DATE Lo ELECTRONICS aye ES Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MODEL OPTION EE EE er Ri RA MODEL OPTION A MODET EE ub SSS SS eS Se S
39. T 101 102 ATLANTIC BIRD 3 AMOS 2 3 THOR 5 6 IRIUS 4 EUTELSAT W3A EUROBIRD 9A EUTELSAT W2A HOTBIRD 6 8 9 EUTELSAT SESAT ASTRA 1L H M KR ASTRA 3A 3B BADR 4 6 ASTRA 2D EUROBIRD 3 EUTELSAT W7 HELLASSAT 2 EXPRESS AM1 TURK SAT 2A 3A INTERSAT10 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only No Item Specification Remarks Analogue TV 1 PAL BG Analogue TV RF VHF E2 to E12 UHF E21 to E69 2 PAL DK CATV S1 to S20 HYPER S21 to S47 3 SECAM BG 4 SECAM DK Digital TV VHF UHF 5 SECAM L L 4 Broadgasti g system Satellite TV VHF UHF Digital TV C Band Ku Band 1 DVB T C T2 DVB T2 T2 model only support Satellite Digital TV DVB S S2 Satellite model only support 1 DVB T C S S2 gt DVB T Guard Interval Bitrate Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 gt DVB T2 Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 1 128 19 128 19 256 Modulation Code Rate QPSK 1 2 2 5 2 3 3 4 5 6 4 Bedaklha av tam Analog Upper Heterodyne 16 QAM 1 2 2 5 2 3 3 4 5 6 a Digital COFDM QAM 64 QAM 1 2 2 5 2 3 3 4 5 6 256 QAM 1 2 2 5 2 3 3 4 5 6 gt DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM
40. T3 RX G 1707 l 10104 EN 12C_SCKM2 DDCR_CK GP1072 IVALID GP196 12C_SDAM2 DDCR_DA GP 1071 TS18YNC GPIO97 Tos 01 Internal demod out nm CA_DA UARTO_TX DATA_ 0 GPIO8 T CA_CK UARTO_RX DATA 1 GPIO89 ZI Ae DATA_ 3 GPTO91 7 pwo CO PHMD GPIO66 DATA 4 GP1092 5T pwa CJ PWM1 GPIO67 TSIDATA_ 5 GP1093 et wer CO PWM2 GPIO68 S1DATA_ 6 GP1094 LED B LG LOGO C PWM3 GPIO69 1DATA 7 GPI095 ET l oid ETGT pe LED R BU22 C PWM PM GPIO NC 2 l NG 2 R149 R143 4 7K 4 7K EYE 17 Zus ii Zus KEYI O SARO GP1O31 xey2 gt SARL GPIO32 1 03 2 SAR2 GPIO33 e A SAR3 GPIO34 R164 11 508 22 J4 SCART1 MUTE C SAR4 GPIO35 EU_OPT STLR2_DIVX_AT_ASE 7LR2 DIVX AT SPIL S7LR2 DIVX CN 1c10141 Icioi ta sa LGE2111A TE LGE2111A TE SPIL LOCAL DIMMING R23 L DIM VS CI LIKE G R24 L D1M SCLK KAZ 10201 L DIM Mosi L 10202 SENSOR SCL C 10203 SENSOR SpA E 10204 E puna LA l S7LR2 DIVX MS10 6 T IC101 PMO l LGE2111A T8 RI40SRI41S RIGOSRIGL ik Sx Tk Sik PM DIM puma AMP RESET es 62103 LVAOP C RXAO zue ADMI C Ee cero37 LVAON C rxao NON_OS_512k_ST NON_OS_512k_ATMEL 5V_DET_HDMI_ 2 L ge 821038 LVAlP C RXA1 1C104 3 1C104 4 5V DET HDM
41. U e e e TUSCL 43 3v TU SDA SDA SDA TU 12C NON FILTER Xr R 33 e e SR TU SDA 3 3v B1 3 3V B1 3 3V w Us R2625 SIF SIF SIF gt x 220 e 2 I 8V TU l L SE 1 8V B2 1 8V B2 1 8V 7 ve eG J 261 e E a v I AN CVBS CVBS CVBS Ets va TUNER C E n hd e IF AGC NC 2 T C IF AGC l filv SS opr e t d IF AGC MAIN BE DIF P NC 3 T C DIF P re iode oe qui qmi mt a e RE angle Se qualaed oy Seed DIF N NC_4 T C_DIF N EXE BALE NIM EU NON 22 e e o SE IF_P_MSTAR IPIS 3 3V_T2_TU z IF_N_MSTAR A HALF NIM RU NON T B4 1 23V R2601 T o SHIELD NC 5 Close to the tuner GND pewon RESET OY b ing applied ta the oniy china ERROR tel to TUN has to be deleted in both main an SYNC VALID MCLK AR3701 1 DO 33 1 168 D1 12 pwop cAM Dva 5 S FULL NIM NON is FE_TS_DATA 0 7 Vo VREF 1 R2 R1 ATA O AR3702 1 D3 ATATIT NN VREF 1 25V FE ATA 2 FE TS DATA 3T D4 e FULL NIM NO Dvs ou ai i FULL NIM E S_DATA 4 102602 _DATA 5 E Peer TJ4220GDP ADJ epi enn E ES TU CHINA B ATA TO AR Vo 0 8 1 R2 R1 i aan mu S DATA T7T 1 16W TU2603 1 ET TDSN C201D D7 DVB m A Zo ADJ SENSE 2 1 23V_TU vour SHIELD B3 1 23V ER Nc 2 L m S2 RESET 23V TU 1 B4 3 3V 2 F22 OUTPUT 2500 Las Cu S2 SCL T3 3V 32 DE S2 SDA LNB DEMOD SCL DEMOD_SDA z SHIELD 3 3V_TU 2 STO EDIT 3 3V_S2_DE 43 3WV TU 3 3V Normal Pull up e ied because t be appl JDEL 320A su
42. UTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect the test receiver ground lead to the receiver chassis ground before connecting the test receiver positive lead Always remove the test receiver ground lead last 8 Use with this receiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged eas ily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component dam age caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available dis
43. XA4 RXA4 Y Lo ELECTRONICS RXBO RXBO RXBL RXBL RXB2 RXB2 RXBCK RXBCK RXB3 RXB3 RXB4 RXB4 3 OPin LVDS Connector Por HD 60Hz_Normal PI RXA3 JO RXA3 HI RXACK IC RXACK lt RXA2 PI RXA2 PI RXAL 7 lt 1 RXAL RXAO PI RAD MODEL es 8722 DATE BLOCK eves ranson SHEET LGE Internal Use Only EE de l DDRO LI 3 lees loa LI l LI i T l CLose to DDR3 y l CLose to Saturn7M m non to Saturn7M IC IC1201 H5TO1G63DFR H9C N3 A MVREFCA OO A MA0 Pa O A MAL A MA0L ER S O a maz A MAl gt N A MVREFDO gt C a ma3 A MA2 gt pa A MAS A MA3 P2 R1203 CD A MAS A MA4 CO RB O A MA6 A MAS gt 2 R2 SE A O A MAT A MA6 gt as E O a mas A MA7 gt R3 vDD_1 A9 C amas a mas gt zm Liu vDD_2 ALO AP A MALO A MA9 a RT i VDD 3 an ID A MA11 MA10 E v zu VDD 4 O A MA12 Mal KOD uE VDD_5 O A MA13 ma12 gt e VDD 6 A MA13 CO M7 ue VDD_7 A MA14 gt mE VDD_ ui luf von 9 3A A MBAO Na L4 MBAL A MBADL M3 A MBA2 A MBAL voro se A MBA2 gt 2 unpo_2 pa von a vo A MCK gt cs KI fa vere cK gt a mo A MCKB gt D2 voDQ 5 A MCKE O pas yonn 12 NUDO e pr os m SELE EE ae a VDD A MODT K3 vo MRASB gt L3 MCASB gt Ji A MWEB O 39 T2 PIO A MR A MA1
44. _FILTER_L e ADC EJ 1 T BL O SPRING SIN COMP2 Pr a l 3 3 RD JE LUG ADOS DC FILTER ji I I RD O SPRING 1 sov e m R2841 E 10K R2842 RD CONTACT_1 TK D COMP2_DET WH O SPRING dis L IN 2818 Se 1 RD CONTACT_2 28157 5 6v ERE RD O SPRING 2 Rb E LUG e e EA R2826 PPJ234 02 GC 3K2803 L FULL SCART COMPONENTI 3 3V_Norma1 R2808 10K R2810 1K e sc P1 DET C1 soG IN 02800 MMBT3906 NXP CVBS IN GN C DET RGB IO COMPl SCART ADC FILTER L 12808 E TV MNT VOUT Gain 1 R Rg EU OPT ks RZ815 22 R OUT CM2012FR1OKT RD MONO cout g SCART ADC FILTER R COMP1 Pr LTER SRT NON Al D2B_IN FILTER G COMP1_Y RT_NON_ADC_FILTER L_IN hd SCl B COMPl Pb HE R2812 10 La R2804 22618 Y 270K 25 EU OPT E 4 JK2801 12802 PSCOO8 01 120 ohm SCH e TIS e 1 21SN1D DTV MNT_L_OUT JDTV MNT_R_OUT EU_OPT_AUK our oura NON_INV_IN3 our3 12V 15V SCART1_Lout EU_OPT_BCD IC2800 AS324MTR E1 DTV MNT L OUT
45. ading must be infinite An other abnormality exists that must be corrected before the receiver is returned to the customer Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Leakage Current Hot Check See below Figure Plug the AC cord directly into the AC outlet Do not use a line Isolation Transformer during this check Connect 1 5 K 10 watt resistor in parallel with a 0 15 uF capacitor between a known good earth ground Water Pipe Conduit etc and the exposed metallic parts Measure the AC voltage across the resistor using AC voltmeter with 1000 ohms volt or more sensitivity Reverse plug the AC cord into the AC outlet and repeat AC voltage measurements for each exposed metallic part Any voltage measured must not exceed 0 75 volt RMS which is corresponds to 0 5 mA In case any measurement is out of the limits specified there is possibility of shock hazard and the set must be checked and repaired before it is returned to the customer Leakage Current Hot Check circuit AC Volt meter i Good Earth Ground such as WATER PIPE CONDUIT etc To Instrument s O G 0 15 uF exposed METALLIC PARTS a ee NM 1 5 Kohm 10W When 25A is impressed between Earth and 2nd Ground for 1 second Resistance must be less than 0 1 Q Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service man
46. charging wrist strap device which should be removed to prevent poten tial shock reasons prior to applying power to the unit under test Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expo sure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device from its protective package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electri cally shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replace men
47. e n an l z E 4 A bets s Spedoer LGE2111A T8 S 50 O 1uF R4002 47 j TU_SIE l S 3 gt s s E 0 1uF R40 7 E 3 pe SIS E S7LR2 DIVX MS10 pou AW RAGE I 3 DE I es Bxacke ANALOG SIF d ck ap aa eacus Close to MSTAR l cou DY DO _HDMI1 RXAOP em mmm mm zm mmm mmm mmm mm zm I Avo xoa DO HDMI1 RXAON DI HDMI 1 RXA1P 208 I Ki L208 Di _HDMI1 RXAIN SAB BLM18PG121SN1D La i A S l 2 ze iier l AN E D2 _HDMI1 S RXA2N AVDDIPO 15 DA 1 I z PREDA DA GPIOZ4 HALE NIM EU NON 72 I ER LI gem PDCDA Ck GPIOZ23 zon TENA sat AVDDL_MOD 5 erer L sw sino nou fz AVDD10 I 24904 MIUVDDC lt VDD DDR e IF AGC Marn I caves boo a n o 0 047uF AVDD2PS lt pab SCAB R4001 T 1 VDD2P5_AD TUNER I2C Lt ipi Wed ond Ecc pnr S TT RT VDD2P 5 AD KM1 GPIO75 U_SCL D 3 VDD2P5_AD Li Close to MSTAR DNAs pA E a x201 AVDD2P5 MOD lt VDD MOD 1 R5 EE 24MHz PM MODE c c UGB GPIO kad VDD MOD 2 T PM MODEL 0 I HOTPLUGB GP1020 Sp AES OPT R297 o a Ck BDMI4 gt I nag Recke SPDIF_IN a I_DET avi d AVDD25 A CK _HDMIA RXCCKN SPDIF OUT SPDIF OUT an an an an an an 0 S al pore e R296 100 SER E A D0 HDMI RXCOP 2 v I 59 sebis ortic INormal 2 5 DO _HDMI4 e axcos D1 _HDMIA L axcie so_om H sipz vsez pw AVDD_NODIE lt j AD10 E2 42 5V Normal AVDD2PS D1 _HDMI4 iE RXCIN SBO DP I sip DP V
48. e L North Latin America http aic lgservice com N Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Life s Good LED LCD TV CHASSIS LD2AW MODEL 47LS669C 47Ls669C zC CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67368115 1207 REVOO Printed in Korea CONTENTS CONTENT S qc 2 SAFETY PREGAUTIONS iain Le ners diac koni da nana don sib aset cess 3 SERVICING PRECAUTIONS eeeeeeeeeeeneeneeen nennen 4 SPECIFICATIO N Hume nn 6 ADJUSTMENT INSTRUCTION eene 11 BLOCK DIAGRAM ccoo 16 EXPLODED VIEW ascites Aa kika id 17 SCHEMATIC CIRCUIT DIAGRAM eene nnne Copyright O 2012 LG Electronics Inc All rights reserved ss LGE Internal Use Only Only for training and service purposes SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by A in the Schematic Diagram and Exploded View It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock Fire or other Hazards Do not modify the original design without permission of manufacturer General Guidance An isolation Transformer should always be used during the servicing of a receiver
49. e E eS ea VIDC 1 05V WENN x x ox MODEL OPT 1 PHM OFF PHM ON MISI ANE _DualSt ream 0 NonoS_Errorout x o a 2a A E a 28 a a MODEL OPT 2 NON DVB T2 DVB_T2 E R290 s g A G x a 5 5 ik AT S of ato moDEL opT 3 NON 3D 3D S seers opt gt li Gi MODEL_OPT_4 NON_OLED OLED ers ke E S ro peers 5201 QRA 100 4 Regen SIE AE 2a A n wennen MODEL_OPT_5 NON DVB 8 BRE S S 31 3 RE SW_OPT 1p0 n La belt e e MODEL OPT 2 R204 QRT 100 Mc RUM EIN MODEL OPT 6 NON 120HZ 120HZ L 20031 ABA 100 See ll d T NIA moner ort d EE OS NON DualStream oS DualStream mW Tu MUN EM xU CI SEU TUNE ND MN CIR E MEN ERN s UN S MODEL_OPT_5 ES NonOS ErrorOut NonOS NON ErrorOut HALE_NIM ASIA RALP NIM ASI MOTO RA040 AN oo MODEL_OPT_6 l 068 1 C4069 1 e MEM SS ADU SS SSS E E SSS SS SS SS LGE2111A T8 24039 8p S BE Seeds Se in de don Dual Stream is only Korea 3D spec Ter ms i EEUU i o So Si a 5 sg Close to MSTAR 3 92 a a4 DTV_IF 5_DualStream X denn rout 0 a a Ja siP a 100 257 pp 0 108 Im SAA Normal Power 3 3V 8 2 g a _P_MSTA os sieges 2 E s NON T2 HALE kreien NON 72 l 3 3v ornar voD33 SI el as 6 el C4067 ON T2 ux Jess SPE S SE S n W ZS 2 2 n SIS 2 SI opt T l I 35 3 3 3 3 3 l rs 100 c pot SAS 21208 abu HA NIM EU_NON_T2 HALF_NIM EU_1 Mie k gis oe o o o o nonk r2 m E AS E i IC101 reg Seng ng t A
50. e circuit board 3 Bend into a U shape the replacement transistor leads 4 Connect the replacement transistor leads to the corresponding leads extending from the circuit board and crimp the U with long nose pliers to insure metal to metal contact then solder each connection Power Output Transistor Device Removal Replacement 1 Heat and remove all solder from around the transistor leads 2 Remove the heat sink mounting screw if so equipped 3 Carefully remove the transistor from the heat sink of the circuit board 4 Insert new transistor in the circuit board 5 Solder each transistor lead and clip off excess lead 6 Replace heat sink Diode Removal Replacement 1 Remove defective diode by clipping its leads as close as pos sible to diode body 2 Bend the two remaining leads perpendicular y to the circuit board 3 Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top Copyright 2012 LG Electronics Inc All rights reserved O
51. ecifications and others are subject to change without notice for improvement 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC No Item Specification Remarks 1 Market EU PAL Market 37Countries DTV amp Analog Total 37 countries DTV MPEG2 4 DVB T 37 countries UK Italy Germany France Spain Sweden Finland Nether lands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Kazakhstan Belarus DTV MPEG2 4 DVB T2 8 countries UK Denmark Sweden Finland Norway lreland Ukraine Kazakhstan DTV MPEG2 4 DVB C 37 countries UK Italy Germany France Spain Sweden Finland Nether lands Belgium Luxemburg Greece Denmark Czech Austria Hungary Swiss Croatia Turkey Norway Slovenia Poland Ukraine Portugal Ireland Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Kazakhstan Belarus DTV MPEG2 4 DVB S 29 countries Italy Germany France Spain Netherlands Belgium Luxemburg Greece Czech Austria Hungary Swiss Croatia Turkey Slovenia Poland Portugal Morocco Latvia Estonia Lithania Rumania Bulgaria Russia Slovakia Bosnia Serbia Albania Belarus Supported satellite 22 satellites HISPASAT 1C 1D ATLANTIC BIRD 2 NILESA
52. for external device Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error B Power error E mora po Symptom oe Revised date gt A11 DC Power on Repl Check P E Check Power ep ace by pressing Power Key Hinh Power Power LED On Remate cohitol operation On High B D Stand By Red Check Power cord Replace Main B D was inserted properly Measure voltage of each output of Power B D Check ST BY 3 5V Replace Power B D Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error symptom Check outlet Check A C cord Check for all 3 phase power out Fix A C cord amp Outlet and check each 3 phase out Please refer to the all cases which can be displayed on power off mode Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes Check Power Off Mode If Power Off mode is not displayed Check Power B D voltage x Caution Check and fix exterior of Power B D Part E date Off when on off while viewing power auto on off poo Replace Main B D Replace Power
53. heck Link Cable LVDS reconnection residual image light spot condition Exchange T Con Board 1 A 1 5 Exchange T Con Board 2 A 2 5 lt Appendix gt 55 driver board Defected Type caused by T Con Exchange LED driver Board PSU Other PSU Inverter Module Exchange Module itself 1 KE 2 EN ES 10 Exchange Module itself 2 Continue to the next page Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error A Video error dl moon SS EE Revised date First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable Speaker Cable IR B D Cable c A1 a A4 No video Check Back Light Check Power Replace T con Normal audio On with naked eye Board Board or module 12v 3 5v etc FAN N Move to No c A2 Check Power Board 24v output Repair Power video No audio Board or parts Replace Inverter or module N Repair Power Board or parts XX Precaution A6 amp A3 Always check amp record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process e Established Check various Check and No Video voltages of Power replace No audio Board 3 5V 12V 20V
54. i MAIN B D or 24V Replace Power Board and repair parts Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error A Video error EE cune symptom i EE Revised date By using Digital signal level meter By using Diagnostics menu on OSD Check RF Signal level Menu Set up Support Signal Test Signal strength Normal over 50 Signal Quality Normal over 5096 Check whether other equipments have problem or not By connecting RF Cable at other equipment DVD Player Set Top Box Different maker TV etc Check RF Cable Connection 1 Reconnection 2 Install Booster Check Check S W Version Tuner soldering Replace Main B D Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process a Established En an es Ga date MITE symptom E Tuning fail Picture broken Freezing Revised date Check RF signal cable DVB satellite signal or not Check whether other equipments have problem or not By connecting RF Cable at other equipment Set Top Box Different maker TV etc Check RF Signal level Check satellite setting Check LNB frequency Check satellite Check Satellite connection DiSEqC motor etc Check Check Replace S W Version Tuner soldering Main B D Contact with signal distributor or br
55. l device cable Fixin c pepe MAn B D accordance with technical information Replace Main B D Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Established Error date symptom E A n a VTR Circuit noise mechanical noise Revised date Replace PSU with LED driver Check location of noise Replace LED driver Identify nose type a Check location of noise X When the nose is severe replace the module For models with fix information upgrade the x Mechanical noise is a natural S W or provide the description phenomenon and apply the 1st level description When the customer does not X If there is a Tak Tak noise from the agree apply the ae by stage cabinet refer to the KMS fix information and ie the basis o pa then proceed as shown in the solution manual E art related to nose in the Owner s For models without any fix information anual provide the description Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error F Exterior defect ma S pisci Zoom part with Replace module exterior damage d E Replace cabinet ontroller Replace remote controller Od ac Replace stand Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes
56. lf 3 After function inspection Push In stop key 3 Main PCB check process APC After Manual Insert executing APC Boot file Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set as below and then click Auto Detect and check OK message If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read MStar ISP Uli ity V4 1 8 Hex fies jg e Checksurn Start Addr n nnnnna Uruaxecd Bytes End Addr FFF man C Gett Batch File Elspsed Time IC USB 450KHz Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 10 4 Click Connect tab If Can t is displayed check connection between computer jig and set MStar ISP Utility V4 1 0 iU e 2 a A KA SCH E FE 2 KI Restors HOCP Erase Dis Con E2PROM Device Setting Speed 74 4 AT x T2C Pin Definition 6 SDAin C SCLin C SDA out SCL out iv Use USB Communication Setting PortType USB F i PIN kan X Auto Detect SPI Setting T Reverse High T USE SPI fV pini switch UART I2c F Pull all Pin High L ij JIG ES Apply Elapsed Time USB 450KHz Flash Status 00 Please Check the Speed To use speed between from 200KHz to 400KHz 5 Click Aut
57. nly for training and service purposes 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures Circuit Board Foil Repair Excessive heat applied to the copper foil of any printed circuit board will weaken the adhesive that bonds the foil to the circuit board causing the foil to separate from or lift off the board The following guidelines and procedures should be followed whenever this condition is encountered At IC Connections To repair a defective copper pattern at IC connections use the following procedure to install a jumper wire on the copper pattern side of the circuit board Use this technique only on IC connec tions 1 Carefully remove the damaged copper pattern with a sharp knife Remove only as much copper as absolutely necessary 2 carefully scratch away the solder resist and acrylic coating if used from the end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair the defective copper pattern at connections other than
58. noise is same after Check input signal compared to No audio A16 Check and replace speaker and connector Check audio B Voltage 24V Check input signal RF External Input signal When RF signal is not received Request repair to external Cable ANT provider In case of External Input Connect and check signal error other external Check and fix device external device Check and fix external device Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process Error D Function error Ge pee LCD TV ate prp Remote control amp Local switch checking Revised d atel T 1 Remote control R C operating error Check R C itself E ROBA orma Ene Et Check IR Cable connection 3 5V Operation J operating Output signal Connector solder On Main B D Replace Main B D Check R C Operating Check 3 5v on Power B D Repair Replace When turn off light Replace Power B D or IR B D in room Replace Main B D Power B D don t have problem If R C operate Explain the customer cause is interference from light in room Replace R C Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process E iral ona Error D Function error date Check technical information Fix information S W Version Check and fix ed externa
59. o tab and set as below 6 Click Run 7 After downloading check OK message MStar ISP Utility 4 3 7 Source File DAD e Xa iv ReConnect Blank Read File E HDCP Key Checksum Keys F Restore Data t 1 1 j LI 1 LI j M Multi Flashes U 1 1 LI U 1 U U U V Program V Verify iv Erase Device W Exit ISP f Al Chip C File Area C Erase rea First p KBytes Partial Erase T USB 380KHz USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files from memory 4 Updating is starting E TV Software Upgrade UPGRADING E TV Software Upgrade COMPLETED EH The TV will restart automatically in Tseconds Do not unplug 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust Tool Option again 1 Push IN START key in service remote control 2 Select Tool Option 1 and push O
60. oadcaster Cable or Air Change satellite setting match with installed ANT N Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Standard Repair Process e Established Reve da symptom Check color by input External Input COMPONENT RGB HDMI DVI Check error color input 17 A10 Check Test pattern Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes Color error x Check and replace Link Cable LVDS and contact condition Check external device and cable External Input RGB Check external HDMI DVI device and error cable Cable normal Replace Main B D Replace Main B D LGE Internal Use Only Standard Repair Process A Video error Established Error gg EES Vertical Horizontal bar residual image light spot external device color error Revised date Vertical Horizontal bar residual image light spot gt AT Check color condition by input Check external External Input device n Component connection Eb RGB condition HDMI DVI Request repair for external device Check screen condition by e input a Check S W Version External Input Connect other external Component C device and cable RGB Check normal operation of HDMI DVI External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Request repair
61. poses SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS Option name of this page because of Hong Kong CI TS INPUT CI MCLKI ci DETI PCM A 0 01T0742440D ivi CI ADDR 7 PCM A 1 1v2 CI ADDR 6 PCM A 2 1Y CI ADDR S 2A2 PCM A 3 1Y4 CI ADDR 4 0 7 PCM D CI DATA 0 7 1912 33 CI ADDR 8 19 c R 10 c 11 AR1913 33 CI ADDR 12 CI ADDR 13 CI ADDR 14 MODEL DATE CI_SLOT CI_ADDR O PCM A 7 CI ADDR L PCM A 6 zem zm zm zm zm zm zm zm zm zm zs zs 11 08 13 BLOCK recucr JET 4 LGE Internal Use Only ETHERNET EZW option ETHERNET 2 5V_Normal A ETHERNET B 8 13707 E JK2100 1 JK2100 BLM18PG121SN1D BS R430051 XRIV 01V 0 D12 080 l A Au e EPHY TP m H 5 a S 2 S OPT D Pi D2105 fa E 5 5V Se z l ADLC 5S 02 015 a A m 3 m uz Ei e E a 5 E XL EPHY_TN ES a 4 m e LL EPHY RP OPT OPT e D2103 D2104 5 5V m ES 5 5V ADLC 5S 02 015 ADLC 5S 02 015 6 e LL EPHY RN 7 OPT D2101 5 5V ES ADLC 5S 02 015 8 e e e 9 ETHERNET C2104 0 01uF 50V THE N SYMBOL MARK OF THIS SCHEMETIC DI
62. s reserved LGE Internal Use Only Only for training and service purposes LVDS for large inch 51Pin LVDS Connector For FHD 60Hz LVDS SEL Mi E PuM DIM P Normal PO RXA4 AI RxaA4 RXA3 T 3 RXA3 Rxack lt RXACK A R8XA2 3R8xA2 RXA1 A RXA1 PT RXA0 PI R8xA0 PO RxB4 A RxB4 lt RXB3 jr RXB3 RXBCK PI RxBCK HI RXB2 tr 8x82 lt RXB1 AI CH jr RXBO PAI Rx80 THE ZN 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 SYMBOL MARK OF THE SCHEMETIC THE CRITICAL COMPONENTS IN THE N Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SECRET LGElectronics lt oPCaSCANNING_CTRL Change MIRROR in STLR FOR FHD REVERSE 10bit Pol change RXAO RXAO RXAL RXAL RXA2 gt RXA2 RXACK RXACK RXA3 RXA3 RXA4 RXA4 gt RXAO MIRROR RSE 8bit Pol change RXA4 RXA4 RXAO RXAO RXAL RXAL RXA2 RXA2 RXACK RXACK RXA34 RXA3 gt RXAO RXAO RXAL RXAL RXA2 RXA2 RXACK RXACK RXA3 RXA3 R
63. ses V_HDMI_1 5V Normal MMBD6100 D821 For CEC R855 100 HDMI CEC EW CEC_REMOTE_S7 HDMI_CEC CK _HDMI4 EAG62611201 CK _HDMI4 DMI4 DO _HDMI4 HDMIA D1 HDMI4 D2 HDMI4 D2 _HDMI4 oer I D811 Y Lo ELECTRONICS emm an an am am am am am am am am emm em emm For BDP In Packing Model I EMI Gasket Touch Jack HOT PLUG DETECT L DATAO SHIELD DATAO DATAL S_DATA1_SHIELD SHIELD DATA1 DATA2 L DATA2 SHIELD SHIELD TMDS_DATA2 HDMI_1_BDP_Model YKF45 7054V JK802 1 MODEL BLOCK HDMI FEA A LGE Internal Use Only RGB PC SPDIF 3 3V Normal A 22uF OPT opt c1109 c1110 SPDIF OPTIC JACK l l SPDIF OUT TRU Si 1 THE ZN 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 A Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics LG ELECTRONICS
64. solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil d Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush LGE Internal Use Only IC Remove Replacement Some chassis circuit boards have slotted holes oblong through which the IC leads are inserted and then bent flat against the cir cuit foil When holes are the slotted type the following technique should be used to remove and replace the IC When working with boards using the familiar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacement IC in the circuit board 2 Carefully bend each IC lead against the circuit foil pad and solder it 3 Clean the soldered areas with a small wire bristle brush It is not necessary to reapply acrylic coating to the areas Small Signal Discrete Transistor Removal Replacement 1 Remove the defective transistor by clipping its leads as close as possible to the component body 2 Bend into a U shape the end of each of three leads remaining on th
65. t ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity suf ficient to damage an ES device General Soldering Guidelines 1 Use a grounded tip low wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range or 500 F to 600 F 2 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead 3 Keep the soldering iron tip clean and well tinned 4 Thoroughly clean the surfaces to be soldered Use a mall wire bristle 0 5 inch or 1 25 cm brush with a metal handle Do not use freon propelled spray on cleaners 5 Use the following unsoldering technique a Allow the soldering iron tip to reach normal temperature 500 F to 600 F b Heat the component lead until the solder melts c Quickly draw the melted solder with an anti static suction type solder removal device or with solder braid CAUTION Work quickly to avoid overheating the circuit board printed foil 6 Use the following soldering technique a Allow the soldering iron tip to reach a normal temperature 500 F to 600 F b First hold the soldering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the
66. ual and its supplements and addenda read and follow the SAFETY PRECAUTIONS on page 3 of this publication NOTE If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the receiver AC power cord from the AC power source before a Removing or reinstalling any component circuit board mod ule or any other receiver assembly b Disconnecting or reconnecting any receiver electrical plug or other electrical connection c Connecting a test substitute in parallel with an electrolytic capacitor in the receiver CAUTION A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explo sion hazard 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 96 by volume isopropyl alcohol 90 99 strength CA
67. whose chassis is not isolated from the AC power line Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks It will also protect the receiver and it s components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with the specified When replacing a high wattage resistor Oxide Metal Film Resistor over 1 W keep the resistor 10 mm away from PCB Keep wires away from high voltage or high temperature parts Before returning the receiver to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC Switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MO When the exposed metal has no return path to the chassis the re
68. zhougrande THE ZN 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 A SYMBOL MARK OF THE SCHEMETIC SECRET LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes Y Lo ELECTRONICS MODEL east DATE BLOCK roses SHEET LGE Internal Use Only DVB Sz2 LNB Part Allegro Option LNB 2A LNB L2700 e 33UH y NN CT ey LE CH to Boost pin 1 SP 7850_33 Se DCDC GND and A GND are connected 2 4A 10uF DUM E T iN 50v DCDC GND and A GND are connected in pin 27 _ DCDC_GND E E EE PCB GND and A GND are connected pers DCDC_GND A_GND Be an am an an ED an an an A A an en en en en an an 4 MBR230LSFT1G LNB oUTX n an an an an an e De an an QU an en X an en onon on i Input trace widths should be sized to conduct at least 3A Ouput trace widths should be sized to conduct at least 2A I oor a a THERMAL 29 IC2700 A8290SETTR T LNB A GND R2705 R2706 0 0 3 3V_Normal I a o L a d AED Z wl al a o A DCDC_GND 6 amp a a A GND A GND e e Max

LG Electronics 42PC5R Flat Panel Television User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents