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Life is good 47LS4600 Flat Panel Television User Manual

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1. SECRET GP4_S7LR2 10 08 13 T CJ ELECTRON 5 USB_OCP_DIODE LGElecironics Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes 10 04 Z LGE Internal Use Only 2011 8 DATE SHEET S7LR2 GPAL MODEL BLOCK LGElectronics Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes RGB PC SPDIF PC AUDIO MODEL GP4L_S7LR2 2011 09 27 LG ELECTRONICS BLOCK 9 VA Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes RS 232C COMMERCIAL NonOS MODEL OPTION COMMERCIAL MODEI For Comsumer model use
2. Ven 000 0000000000 0000000000 GP4L_S7LR2 2011 12 01 LGBlectronics PLASH EEPROM GPIO i 7 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes gt VDDC 1 05V 22 2011 07 12 DATE et BHEE T S7LR2 GPAL MODEL BLOCK LGElectronics LGE Internal Use Only Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes TP for NON EU models except EU and China TP for Headphone SECRET GP4_S7LR2 2011 07 07 LG
3. Replace L3703 Replace 3703 Bad Tuner Replace Tuner Replace Mstar IC101 or Main Board 3 Analog TV Video Check RF Cable amp Signal Check Tuner 3 3V Power 13703 Check Tuner 1 8V Power 13703 2 pin 1 8V Check CVBS Signal 703700 8 Pin E Check Mstar LVDS Output Replace 13703 Replace 13703 Bad Tuner Replace Tuner Replace Mstar IC101 or Main Board Copyright 2012 LG Electronics Inc All rights reserved 17 LGE Internal Use Only Only for training and service purposes 4 AV Video Check input signal format Is it supported m Check AV Cable for damage for damage or open conductor E Check JK1601 CVBS Signal Line R246 Replace Jack JK1601 k Check 5 DET Signal Replace 11603 Check Mstar LVDS Output Replace Mstar IC101 or Main Board 5 Component Video Check input signal format Is itsupported Check Component Cable for damage or open conductor Check JK1601 Y PB PR signal Line Replace Jack JK1601 Lk Check COMP_DET Signal Replace 11601 R1614 Check Mstar LVDS Output Replace Mstar IC 101 or Main Board Copy
4. Be s2 ao te 20 55 4 21 o 4 3 1 Signal Table oo oo o oo oo E START SE 50 CMD 09 A VAL A CS STOP 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 4 3 2 Comand Set CMD hex Adjust mode EEPROM WRITE LENGTH hex 84h n Description n bytes Write n 1 16 Description FOS Default write lt 7mode data gt write Vtotal V Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 4 3 3 Method amp notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line because serial number D L is mandatory by D book 4 0 LGE Internal Use Only Manual Download Model Name and Serial Number If the TV set is downloaded by OTA or Service man sometimes model name or serial number is initialized Not always There is impossible to download by bar code scan so It need Manual download
5. 1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment remote control 3 2 MAC Address 3 2 1 Equipment amp Condition Play file Serial exe MAC Address edit Input Start End MAC address 3 2 2 Download method 1 Communication Prot connection RS 232C Port Connect PCBA Jig gt RS 232C Port gt RS 232C Port 2 MAC Address Download Whidevine Download Com 1 2 3 4 and 115200 Baud rate LGEHQ CJW 01 BEEN TER ech mme 11 _LCD_Widevine H me LGE Internal Use Only 3 3 LAN Inspection 3 3 1 Equipment amp Condition Each other connection to LAN Port of IP Hub and Jig d s m 3 3 2 LAN inspection solution LAN Port connection with PCB Network setting at MENU Mode of TV Setting automatic IP Setting state confirmation gt If automatic setting is finished you confirm IP and Address IP 192 168 123 254 c LAN Hup PCBA JIG Ready Setting automatic IP 3 4 LAN PORT INSPECTION PING TEST Connect SET gt LAN port PC gt LAN Port SET PC 3 4 1 Equipment setting 1 Play the LAN Port Test PROGRAM 2 Input IP set up for an inspection to Test Program Number 12 12 2 2 3 4 2 LAN PORT inspection PING TEST 1 Play the LAN Port Test Program 2 Connect
6. 314 330 36 49 272 277 288 297 312 327 50 79 271 275 287 295 311 325 80 19 270 274 286 294 310 324 Over 120 269 273 285 293 309 323 4 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 n c ANALYZER TYPE CA210 85 232 Communication 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 no suspension of power supply and heat run over 5 minutes Using signal or POWER ONLY or the others check the back light on LGE Internal Use Only Auto adjustment Map RS 232C RS 232C COMMAND CMD ID DATA Wb 00 00 White Balance Start Wb 00 ff White Balance End RS 232C COMMAND CENTER CMD ID DATA MIN DEFAULT MAX Cool Mid Warm Cool
7. 1 Press the Instart key of Adjustment remote control 2 Go to the menu 6 Model Number D L like below photo 3 Input the Factory model name or Serial number like photo Model Number D L A a 1 Pres OK to Save i Sean US 4 Check the model name Instart menu Factory name displayed 5 Check the Product Service info Menu key Red key Select product Service info Buyer model displayed aen Pee Tet Seier 4 3 4 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 4 4 Hi Pot Test Confirm whether is normal or not when between power board s ac block and GND is impacted on 1 5 kV dc or 2 2 kV dc for one second Copyright 2012 LG Electronics Inc All rights reserved 14 Only for training and service purposes LGE Internal Use Only SCREW ASSEMBLY WORKING GUIDE Screw specification and application situation FAB31339402 M3 L4 5 BK Machine 12EA FAB31339201 M3 L10 BK Taptite 9EA FAB30016122 M4 L20 BK Taptite 4 lt Warning gt Check Screw Type When Screw is assembled at A Part If C Screw is used at the part Module will get damaged Copyright 2012 LG Electronics Inc All rights reserved 15 LGE Internal Use Only Only for training and serv
8. 10 SPDIF out SPDIF out 11 USB For My Media Movie Photo Music List or SVC 12 LAN DLNA Only LB21B Copyright 2012 LG Electronics Inc All rights reserved 6 LGE Internal Use Only Only for training and service purposes 5 Component Video Input Y PR No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed 1 r20 480i 15 73 59 94 13 500 SDTV DVD 4801 5251 2 720 480i 15 73 60 00 13 514 SDTV DVD 4801 5251 3 720 576i 15 625 50 00 13 500 SDTV DVD 5766251 50Hz 4 720 480 3147 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576p 3125 50 00 27 000 SDTV 576P 50 2 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 250 HDTV 720P 9 1280 720 37 50 50 00 74 25 HDTV 720 50Hz 10 19201080 28 125 50 00 74 250 HDTV 10801 50Hz 11 1920 1080 33 72 59 94 74 176 HDTV 10801 12 19201080 3375 60 00 74 25 HDTV 10801 13 1920 1080 26 97 23 976 63 296 HDTV 1080P 14 19201080 27 00 24 000 63 36 HDTV 1080P 15 19201080 33 71 29 97 79 120 HDTV 1080P 16 19201080 33 75 30 00 79 20 HDTV 1080P 17 19201080 56 25 50 148 5 HDTV 1080P 18 1920 1080 67 432 59 94 148 350 HDTV 1080P 19 1920 1080 67 5 60 00 148 5 HDTV 1080P 6 RGB PC No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 640 350 31 468 70 09 25 17 EGA 2 720 400 31 469 70 09 28 32 DOS 6
9. Mid Warm R Gain jg Ja jd 00 172 192 192 192 G Gain jh Jb je 00 172 192 192 192 BGain ji Jc if 00 192 192 172 192 R Cut 64 64 64 128 G Cut 64 64 64 128 B Cut 64 64 64 128 lt gt Color Temperature COOL Medium Warm One of R Gain G Gain Gain should be 0 0 and adjust other two lower than C0 When R G B Gain are all CO it is the FULL Dynamic Range of Module Manual W B process using adjust Remote control After enter Service Mode by pushing ADJ key Enter White Balance by pushing gt key at 6 White Balance EZ ADJUS White Balance 0 Tool Option 1 Tool Option2 2 Tool Options 3 Tool Options RGain 172 6 172 B Gain 192 4 Tool Option5 R Cut 64 5 Country Group G Cut 64 6 ADC Calibration B Cut 64 TestPattem Backlight Bi Reset 8 10 Point WB 9 Test Patter 10 EDID DIL 11 Sub B C 12 Touch Sensitivity Setting 13 Ext Input Adjust 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 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 4 2 EDID DATA 1 All Data HEXA
10. Tuner 3 3V Power 13703 Check Tuner 1 8V Power 13703 2 1 8V Check SIF Signal 03700 6 Pin F Follow procedure 8 All source audio trouble shooting guide Replace L3703 Replace 1 3703 Bad Tuner Replace Tuner Replace 13703 Replace 3703 Bad Tuner Replace Tuner Copyright 2012 LG Electronics Inc All rights reserved 22 Only for training and service purposes LGE Internal Use Only 11 Audio Check AV Cable for damage for damage or open conductor ok Y Check JK1601 amp Signal Line R1632 R1633 Replace Jack ok Follow procedure 8 All source audio trouble shooting guide 12 Component Audio Check Component Cable for damage or open conductor Check JK1601 8 Signal Line R1632 R1633 R1617 R1618 Follow procedure 8 All source audio trouble shooting guide Replace Jack 13 RGB Audio Check Cable conductors for damage or open conductor E Check JK1102 amp Signal Line R1107 R1108 Le Follow procedure 8 All source audio trouble shooting guide Replace Jack Copyright 2012 LG Electronics Inc Alll rights reserved 2232 LGE Internal Use Only Only for training and service purp
11. each other LAN Port Jack 3 Play Test F9 button and confirm OK Message 4 Remove LAN cable 3 5 Function Check Check display and sound Check Input and Signal items cf work instructions 1 2 AV 3 COMPONENT 480i 4 RGB PC 1024 x 768 60hz 5 HDMI Display and Sound check is executed by Remote control lt Caution gt Not to push the INSTOP key after completion if the function inspection Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes 11 4 Total Assembly line process 4 1 Adjustment Preparation WIB Equipment condition 210 CCFL EEFL gt CHO Test signal Inner pattern 80IRE LED gt CH14 Test signal Inner pattern 80IRE Above 5 minutes H run in the inner pattern power on key of Adjustment remote control Only EEFL X 0 269 40 002 Coo 13 000 K 2 0 273 20 002 crest X 0 285 40 002 Medium 9300 K et 593 20 002 _ nnerpattem m X 0313 40 002 204gray B0IRE Sm 4 Y 0 329 0 002 Edge LED W B Table in process of aging time Only LGD Edge LED Module except AUO CMI IPS Module Aging Cool Medium Warm S7LR2 time x y y x y Min 269 273 285 293 313 329 0 2 280 287 296 320 337 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
12. m 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 Only for training and service purposes p 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 t
13. original design without permission of manufacturer General Guidance An isolation Transformer should always be used during the servicing of a receiver 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 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 meta
14. 0 00 148 5 HDTV 1080P 2 PC Mode No Resolution H freq kHz V ireq Hz Pixel clock MHz Proposed Remarks 1 640 350 31468 7009 2547 EGA 2 720 400 31469 7009 28 32 Dos 3 640 480 31 469 59 94 2547 VESA VGA 800 00 37 879 60 317 40 VESA SVGA 5 1024 768 48 363 60 004 65 VESA XGA 6 1152 864 54 348 60 053 80002 VESA VGA 7 1360768 47112 60 015 8475 VESA WXGA 12801024 63 981 60 02 109 00 SXGA ieu a t 9 1920 1080 675 60 158 40 WUXGA Reduced Blanking Only FHD Model Copyright 2012 LG Electronics Inc All rights reserved 8 LGE Internal Use Only Only for training and service purposes ADJUSTMENT INSTRUCTION 1 Application Range 4 Click Connect tab If Can t is displayed check connection This specification sheet is applied to all of the LED LCD TV between computer jig and set with LB21B chassis Use usa EEPROM Device Setting Commanicarion Sering e s 21 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 2 Power adjustment Free Voltage 3 Magnetic Field Condition Nil ois Une CDN EE Flash Status 00 4 Input signal Unit Product Specification Standard 5 Reserve after operation Above 5 Minutes Heat Run Please Check the Speed
15. 1 40 45 61 1 40 ot ot o o2 3A 80 t8 71 2 40 58 2 40 45 Ao sa 00 00 1 66 21 so Bo 51 oo 18 ao 50 40 70 36 00 o 5A 00 00 00 t 00 oo 00 FD 00 53 10 00 zo 20 20 20 20 20 D 70 D ole LGE Internal Use Only 2 FHD 8 bit HDMI EDID data 4 3 Model name amp Serial number D L 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 Month Year Controlled on production line ex Week 01 gt 01 Year 2012 gt 16 fix d Model Name Hex MODEL NAME MODEL NAME HEX Lem 00 00 00 FC 00 4C 47 20 54 56 20 20 20 20 20 20 20 LG TV Copyright 2012 LG Electronics Inc All rights reserved cf TV set s model name in EDID data is below e Checksum Changeable by total EDID data EDID C S data FHD 8 bit Block 0 HDMI RGB Check sum 55 TomT B Hex Block 5 HDMI 05 HDMI3 f Vendor Specific HDMI Input Model name HEX HDMI1
16. 40 480 31 469 2 640480 31 469 4 800600 37 879 60 317 40 VESA SVGA 5 1024 768 48 363 60 004 65 VESA XGA 6 1360 768 47 712 60 015 8475 VESA WXGA 7 1920 1080 66 587 59 934 138 50 WUXGA Reduced Blanking Only FHD Model Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 7 HDMI Input 1 DTV Mode No Resolution H freq kHz V freq kHz Proposed Remarks 1 720480 1573 5994 73 500 SDTV DVD 4801 5251 2 T20 480 1575 60 00 13514 SDTV DVD 4805251 Spec out but display 720 576 15 625 50 00 13500 SDTV DVD 5761 6251 50Hz 4 720480 3147 59 94 27 SDTV 480P 5 720 480 315 60 00 27 027 SDTV 480P 6 72076 3125 5000 27 SDTV 576 1280 720 4456 5994 74176 HDTV 7205 8 1280 720 45 60 00 7425 HDTV 720P 9 12807720 375 50 00 7425 HDTV 720P 10 192071080 28 125 50 00 74 25 HDTV 10801 11 19201080 3372 5994 74176 HDTV 10801 12 192071080 3375 6000 7425 HDTV 10801 13 192071080 26 97 23 976 63 296 HDTV 1080P 14 192071080 27 00 24 000 63 36 HDTV 1080P 15 192071080 3371 2997 79 120 1080P 16 192071080 3375 30 00 7920 HDTV 1080P 17 192071080 56 25 50 00 1485 1080P 18 192071080 67 432 59 94 148 850 HDTV 1080P 19 19201080 675 6
17. 4PIN Wafer SECRET 3 S7LR2 2011 08 13 LGElectronics 232C_PHONE 10 Z Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes LVDS for large inch 51Pin LVDS Connector For FHD 60Hz FOR FHD REVERSE 10bit 30Pin LVDS Connector Change in S7LR For HD 60Hz Normal MIRROR Pol ITT 0000 FOR FHD REVERSE 8bit 000010 Change S7LR MIRROR Pol 1 gt 0000 SECRET GP4L_S7LR2 2011 11 14 LGElectronics LVDS_LARGE 11 Z Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes BIER LGE2111A T8 S7LR2_DIVX_MS10 00000000000000 400 00000 00 00000 00 1 00000000 00000000 DI 00 00 000000 TT TT T T T TT TT T TT TI GP4L_S7LR2 DDR_256 2011 06 03 12 Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only GLOBAL tuner block except F
18. 67030C001000 HDMI2 67030C002000 HDMI3 67030 003000 Only for training and service purposes 13 s e 1 z s 4 s e v s Press Power key of service remote control o oo FF ie amp D B Baud rate 115200 bps c 78 o 1 s so 26 Connect RS232 Signal Cable to RS 232 Jack 20 oF 50 54 at oo 31 40 45 40 61 40 71 40 amp 80 Write Serial number by use RS 232 or 02 18 71 38 20 40 se 2 Must check the serial number at the Product Service info 40 48 o0 ao sa oo oo oo te 66 z1 so Bo t oo te so menu key gt red key gt select product Service info 50 20 70 se ao oo 00 oo co oo 60 1E 53 10 00 OA 20 20 20 20 20 20 D ee 70 D ae o2 22 4 10 9F 13 os 14 12 20 21 22 15 o1 26 15 o7 so 09 57 07 or ta eo 38 71 tc te 20 58 zc 25 oo 20 c 31 o se ot 14 00 72 51 do te zo 28 55 00 20 gt 31 00 te 02 sa so 10 71 za 40 se zc 45 00 Ao oo te o td
19. ELECTRON Ione J ugET T LGElectronics TP NON EN 3 7 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes FROM LIPS 8 POWER B D PANEL_POWER I ee 1 ERROR_OUT is used for lamp CCFL EEFL models In other words LED models need not use Vout 0 8 1 R1 R2 1 5319 2 5V 4 1 8V S7LR core tos Vout 0 827 1 R1 R2 1 225V SECRET GP4L_S7LR2 20117 711 22 ELECTRONICS MODEL REESEN POWER LARGE 4 VA Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only IR LED and control normal models SECRET GP4L_S7LR2 2011 11 16 T e LG ELECTRON 5 IR CONTROL 6 LGElectronics Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes USB SIDE USB1_DIODES USB2_DIODES m
20. North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz Igservice com Life s Good LED LCD TV CHASSIS LB21B MODEL 47LS4600 460Y 4610 471 54600 460 47LS4610 TC CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL P NO MFL67440119 1202 00 Printed in Korea CONTENTS ee OCH EC 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS SPECIFICATII a R 6 ADJUSTMENT INSTRUCTION cccssseseseesesetssessesessseseseseeeteseeeeseseees 9 SCREW ASSEMBLY WORKING GUIDE essen 15 TROUBLESHOOTING GUIDE u uu u uu uuu uu Tu uU u u 16 BLOCK 1 4 40 40040 40004020001 800000000 0 000000000 24 EXPLODED VIEW SCHEMATIC CIRCUIT DIAGRANNA Copyright 2012 LG Electronics Inc All rights reserved 2 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 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
21. ORMAL COMP1 RD1 E LUG RD1 O SPRING 2 D i se RD1 CONTACT 2 ag UF PACT 2 5 i WH1 O SPRING SIRS i V RD1 CONTACT 1 RD1 O SPRING 1 1 RD1 E LUG S amp AV BL1 O SPRING BL1 E LUG S GN1 CONTACT GN1 O SPRING GN1 E LUG RD2 E LUG RD2 O SPRING_2 RD2 CONTACT WH2 d LAUS RD2 O SPRING 1 2 RD2 E LUG S BL2 O SPRING BL2 E LUG S GN2 CONTACT GN2 0 S RING GN2 E LUG SECRET GPAL S7LR2 2011 11 28 LGElectronics REAR_NON_EU_L 17 VA Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes ETHERNET H W option 9 A NT FOR PROTECTION FR I N ARDS WHEN SER SECRET ssania ont eie pars s osen EE BLG ELELTRONILS BLOCK SHEET Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Serial Flash for SPI boot NON OS and OS SECRET e LG ELECTRON 5 2011 08 25 LGElectro
22. Temperature at 25 C 5 C use speed between Relative humidity 65 10 from 200KHz to 400KHz Input voltage 220 V 60 Hz 6 Adjustment equipments Color Analyzer CA 210 or CA 110 DDC Adjustment Jig Service remote control 5 Click Auto tab and set as below 7 Push the IN STOP key For memory initialization 6 Click Run 7 After downloading check OK message Case Software version up 1 After downloading S W by USB TV set will reboot automatically 2 Push In stop key P TT 3 Push Power on key T et SE 4 Function inspection F woe xay EE 5 After function inspection Push In stop key n5 EH Be B P v Restore HDCP Erase Case Function check at the assembly line De 1 When set is entering on the assembly line Push Pass In stop key at first GC 2 Push Power key for turning it on NE If you push Power key TV set will recover memes channel information by itself f 3 After function inspection Push In stop key mane USB DOWNLOAD 1 Put the USB Stick to the USB socket 3 Main PCB check process 2 Automatically detecting update file in USB Stick APC After Manual Insert executing If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB Boot file Download data is automatica
23. U and China TU3703 TDSN BOO1F I NP DIFF DIFIN SECRET GP4L_S7LR2 2011 10 11 LGElectronics TUNER_NON_EU 14 PA Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Headphone wOptiomn HEAD PHONE SECRET GP4L_S7LR2 2011 10 04 LGElectronics Qc ELECTRONICS HEADPHONE 15 VA Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes Audio amp NEP 750 0 THERMAL 49 501 75001 GP4L_S7LR2 ELECTRONICS Re 2 7 Copyright 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes COMPONENT1 8 AV COMMON COMPONENT2 JK1601 JK1602 PPJ239 01 PPJ234 02 COMP2 N
24. Value 2 Changeable Data Serial Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum 4 2 1 Auto Download After enter Service Mode by pushing ADJ key Enter EDID D L menu Enter START by pushing OK key Caution Never connect HDMI amp amp D sub cable when EDID downloaded EDID D L HDMI2 HDMI3 EZ ADJUT Tool Option1 Option2 Tool Option3 RGB Tool Option Tool Option5 Country Group ADC Calibration White Balance 10 Point WB Test Pattern EDID D L HDMH HDMI2 HDMI3 11 Sub B C RGB 12 Touch Sensitivity setting 13 Ext Input Adjust LS3500 LS4400 and CS460 series have only one HDMI EDID data and Model option download RS232 12 NO ltem 1 CMD2 Data 0 Enter download Download A o g When transfer the Mode MODE In In Carry the command EDID data and Automatically download Model option Download A E 10 The use of a internal download data No Item Condition Hex Data 1 Manufacturer ID GSM 1E6D 2 Version Digital 1 01 3 Revision Digital 3 03 1 FHD 8 bit RGB EDID data o 2 as 4 s e zv s e p E TF o 00 1E en A 5A 78 oA et A3 4 4c 99 26 20 oF so sa at 08 00 3
25. be less than 0 1 Q Base on Adjustment standard LGE Internal Use Only SERVICING PRECAUTIONS CAUTION Before servicing receivers covered by this service manual 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 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 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 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 Do not spray chemicals on or near this receiver or any of its assemblies Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pi
26. ecial appointment 1 Temperature 25 C 5 C 77 F 9 F CST 40 C 5 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 No Item Specification Remarks Austrailia New Zealand Singapore Malaysia 1 Market Vietnam Indonesia only Analog for A ASIA South Africa Israel A ASIA 1 PAL SECAM B G D K 2 PAL I I 2 Broadcasting system 3 NTSC M PAL for NZ SG 4 DVB T 3 Channel Storage ATV 135EA DTV 1000 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 Analog Upper Heterodyne A Recelving system Digital COFDM DVB T 5 Video Composite Input PAL SECAM NTSC 4 System PAL SECAM NTSC 60 6 Component Input YIPb Pr 7 RGB Input RGB PC Analog D sub 15 PC Non 3D HD FHD Model HDMI version 1 3 Be HBMPInp t t DUE 3D Model HDMI version 1 4 Support HDCP 9 Audio Input RGB DVI audio Component AV
27. g iron tip and solder the strand against the component lead until the solder melts 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 solder flows onto and around both the compo nent lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil Closely inspect the solder area and remove any excess or splashed solder with a small wire bristle brush a m o a LGE Internal Use Only 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 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 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 coa
28. he 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 IC Pins This technique involves the installation of a jumper wire on the component side of the circuit board 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 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 NOTE Specifications and others are subject to change without notice for improvement 1 Application range 3 Test method This specification is applied to the LB21B chassis 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification 2 Requirement for Test L EMC CE IEC Each part is tested as below without sp
29. ht 2012 LG Electronics Inc All rights reserved 20 Only for training and service purposes LGE Internal Use Only 8 All Source Audio Off Check the TV Speaker Menu gt Sound gt TV Speaker Toggle the Menu On Y Check AMP IC IC501 Power 24V 3 3V Replace Amp IC IC501 ok Y Check Mstar AUDIO MASTER CLK R148 Replace Mstar IC101 or Main Board Ach Check AMP DC Line R140 R141 Check signal line Or replace Mstar IC 101 ok Y Check Mstar 12S Output IC501 9 10 11 Pin Check signal line Or replace Mstar IC101 ok Y Check Output Signal P501 1 2 3 4 pin Replace Audio AMP IC IC501 ok Y Replace connector Check Connector amp P501 iftbund to bo damage ok Y Check speaker resistance and connector damage Replace speaker Copyright 2012 LG Electronics Inc All rights reserved 21 LGE Internal Use Only Only for training and service purposes 9 Digital TV Audio Check RF Cable amp Signal Check Tuner 3 3V Power L3703 Check Tuner 1 8V Power 1C3703 2 1 8V Check IF_P N Signal TU3700 10 11 Pin m Follow procedure 8 All source audio trouble shooting guide 10 Analog TV Audio Check RF Cable amp Signal Im Check
30. ice purposes TROUBLE SHOOTING 1 Power up boot check No ok ok Main B D 3 5V Line Check Power connector gt Short hedk gt Replace Power board Check stand by Voltage P401 or P404 9 12pin 3 5V_ST ok Check X201 clock 24 MHz Replace X201 ok Y Check P401 or P404 PWR ON 3 3V No Re download software Replace Mstar IC101 or Main board ok Check Multi Voltage P401 or P404 2 4pin 24V 17 19 21 pin 12V ok Replace Power Board Check 1 402 3 7 Output Voltage 1C402 2 5V 1C403 1 1V 1C407 1 5V Q403 3 3V Replace 1C402 3 7 Q403 Ach Check LVDS Power Voltage Q409 12V ok Replace Q409 Y Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok NND F Check Inverter Control amp Error Out NO P401 or P404 18 pin High P401 or P404 24 pin low Check Power Board or Module Change Module Copyright 2012 LG Electronics Inc All rights reserved 16 LGE Internal Use Only Only for training and service purposes 2 Digital TV Video Check RF Cable amp Signal IF Check Tuner 3 3V Power L3703 Check Tuner 1 8V Power IC3703 2 1 8V E Check IF P N Signal TU3700 10 11 Pin m Check Mstar LVDS Output
31. is more high than your TV have TV lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV 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 OK key 3 Punch in the number Each model has their number 3 1 ADC Process 1 ADC Enter Service Mode by pushing ADJ key Enter Internal ADC mode by pushing gt key at 5 ADC Calibration EZ ADJUST 0 Tool Option 1 Tool Option 2 Tool Options 3 Tool Option4 4 Tool Option5 5 Country Group ADC Calibration ADC Comp 480i ADC Comp 1080p ADC AGB 7 White Balance 8 10 Point WE 9 Test Pattern 10 EDID D L 11 Sub B C 12 Touch Sensitivity Setting 18 Ext Input Adjust Copyright O 2012 LG Electronics Inc All rights reserved Only for training and service purposes 10 Caution Using power on key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 ze fama x 210 When anserthe Mode In mone Mode m Cory the command Aulomatialy adjustment Jost D 110 The use of a internal pattern Adjust Sequence 00 00 Enter Adjust Mode xb 00 40 Componentt Input 480i ad 00 10 Adjust 480i
32. llic part has a return path to the chassis the measured resistance should be between 1 MO and 5 2 MQ When the exposed metal has no return path to the chassis the reading 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 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 SC Good Earth Ground such as WATER PIPE CONDUIT etc To instrument s exposed METALLIC PARTS 0 15 uF 1 5 Kohm 10W When 25 is impressed between Earth and 2nd Ground for 1 second Resistance must
33. lly detecting 1 Execute ISP program Mstar ISP Utility and then click Config tab Al TV Software Upgrade 2 Set as below and then click Auto Detect and check OK message Current Ver Ver 0001 00 ec is displayed check connection between computer Update Vr 00 02 00 d Merge 42PX30 UE RELEASE 0x0103 3 Click Read tab and then load download file XXXX bin de by clicking Read To start upgrading your TV Sot 0 follow the procedures 1 Prose an arrow kay lt gt on your remota to reach START 2 Press ENTER kay 9 on your remota to start downloading Ifyou do not want to download the upgrade fe press the arrow Then press the ENTER key on your remote Menor Bg TS mr End Ada mmm penis T Elapsed Tine L3 USE mme o st Copyright 2012 LG Electronics Inc All rights reserved 9 LGE Internal Use Only Only for training and service purposes 3 Show the message Copying files from memory TV Software Upgrade Expert Copy the file from the Memory Do not remove the USB from the port Do not unplug 4 Updating is starting M iun gis wenns i Weit wll restart atomic 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
34. nics Serial FLASH 56 Z Copyright O 2012 LG Electronics Inc All rights reserved LGE Internal Use Only Only for training and service purposes MSTART DEBUG 4PIN Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LG ELECTRONICS GP4L_S7LR2 TAR DEBUG_4PI 2011 09 05 58 Z LGE Internal Use Only Life s Good
35. onductor 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 discharging 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 a 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 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 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 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 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
36. oses BLOCK DIAGRAM gt vas EE SOA NL iV1SW Nd NI MT Laoaze dr int NIT M SA 1d qd A ZdWOO 1no 44s ae UAD e 68 126 YOSNIS On ONASAH giorei ansa vasnos amv eck gt e os ONT AHd3 Nid AHS 140 Fy 1 HWOH deeg 40 eg am v vasrios dE tg eng gert LGE Internal Use Only 24 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 safely related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW IL is essential that these special safety parts 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 Copyright 2012 LG Electronics Inc All rights reserved 25 LGE Internal Use Only Only for training and service purposes Config OUT BCK 125 OUT MCK PAD PWMIPAD PHMO LR2 DIVX MS10
37. pe cleaner cotton tipped stick or comparable non abrasive applicator 10 by volume Acetone and 90 by volume isopropyl alcohol 90 99 strength CAUTION This is a flammable mixture Unless specified otherwise in this service manual lubrication of contacts in not required Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 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 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 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 p gt bul o 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 Immediately before handling any semic
38. right 2012 LG Electronics Inc All rights reserved 18 Only for training and service purposes LGE Internal Use Only 6 RGB Video Check input signal format Is it supported ok Y Check RGB Cable conductors for damage or open conductor ok Y Check EDID No DC Signal JK1104 Pin12 15 SDA SCL re download EDID data Replace Mstar IC101 or Main Board ok Check 1104 Hu Sync RIGIB Signal Line Replace Jack ok Y Check DSUB_DET Replace R1146 or R1147 ok Y Check Mstar LVDS Output Replace Mstar IC101 or Main Board Copyright 2012 LG Electronics Inc All rights reserved 19 Only for training and service purposes LGE Internal Use Only 7 HDMI Video Check input signal format ls it supported ok Y for damage or open conductor Check HDMI Cable conductors ok Y Check EDID JK801 JK802 JK803 Pin 15 16 12C Signal Replace the defective IC or re download EDID data ok Y Check JK801 JK802 JK803 Replace Jack ok Y Check HDMI_DET HPD Replace RB30 R828 R862 ok Y Check HDMI Signal Check other set If no problem check signal line Replace Main Board ok Y Check Mstar LVDS Output Replace Mstar IC101 or Main Board Copyrig
39. the device will be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions Minimize bodily motions when handling unpackaged replace ment 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 a o 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 Use an appropriate gauge of RMA resin core solder composed of 60 parts tin 40 parts lead Keep the soldering iron tip clean and well tinned 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 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 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 solderin
40. ting 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 Bend into a U shape the end of each of three leads remaining on the circuit board Bend into a U shape the replacement transistor leads 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 Bend the two remaining leads perpendicular y to the circuit board Observing diode polarity wrap each lead of the new diode around the corresponding lead on the circuit board Securely crimp each connection and solder it 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

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