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LG 55LB6500-um Service Manual
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LG 55LB6500-um Service Manual

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LED TV
SERVICE
CHASSIS
MODEL
CAUTION
BEFORE
READ
PNO
MFL6804520211401RFV00
Business
Confidential
to
Protective
Subject
LA42B
THE CHASSIS
SERVICING
THE
SAFETY
PRECAUTIONS
Information
Order
NorthLatin
America
EuropeAfrica
AsiaOceania
MANUAL
6500
55L
MANUAL
THIS
IN
Use
Internal
oniv
httpaicigservicecom
httpeicigservicecom
httpbizlgservicecom
Korea
Printed
in
LGE910IT000143504

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Summary of Contents for LG 55LB6500-um

  • Page 1 Internal oniv NorthLatin America httpaicigservicecom EuropeAfrica httpeicigservicecom AsiaOceania httpbizlgservicecom LED TV MANUAL SERVICE CHASSIS LA42B MODEL 6500 CAUTION BEFORE THE CHASSIS SERVICING MANUAL READ SAFETY PRECAUTIONS THIS MFL6804520211401RFV00 Korea Printed Business LGE910IT000143504 Information Confidential Order Protective Subject...
  • Page 2 CONTENTS CONTENTS PRODUCT SAFETY SPECIFICATION ADJUSTMENT INSTRUCTION EXPLODED VIEW SCHEMATIC DIAGRAM CIRCUIT 2014 reserved Electronics Internal Copyright Only rights service Only training purposes Business LGE910IT000143505 Information Confidential Order Protective Subject...

  • Page 3: Safety Precautions

    Many SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE mechanical have These chassis characteristics electrical parts this special safetyrelated parts identified Schematic View Diagram Exploded same as recommended manual essential that these should with components special safety parts replaced this prevent Hazards Shock or other Fire manufacturer...
  • Page 4 PRECAUTIONS SERVICING CAUTION covered Before receivers this service After electrical with exposure removing assembly equipped servicing manual addenda read conductive such follow surface supplements devices assembly place SAFETY PRECAUTIONS aluminum this electrostatic page prevent charge publication foil buildup NOTE unforeseen circumstances between create...
  • Page 5 circuit Solder connections RemoveReplacement Some CAUTION chassis oblong boards have between slotted holes Maintain through spacing circuit original replaced which then bent board leads inserted component adjacent components flat against circuit When excessive holes slotted type technique prevent component temperatures foil following IC When...
  • Page 6 SPECIFICATION NOTE others change without notice improvement Specifications subject Application range 32 42 47 50 55 sheet This spec applied chassis LA42AtB with each sheet included spec product spec this spec apply each correspondingly following country standard requirement Buyer Test condition Each below...
  • Page 7 L CD LC550DUHPGF1 FHD 55OINCH LC550DUHPGF1 55LB7200UB Module 450CD COLOR 1920X1080 13001 120Hz Inverter 3DFPR 724W 178178 Tcon 10000K 8bit 8ms LG Display LC55OEUHLGF1 FHD 55OINCH 55LB8700UA 450CD COLOR 1920X1080 3DFPR 13001 120Hz Inverter 681W 10000K 178178 8Bit Display HC700CUFVHHDI...
  • Page 8 Remark Item Specification LC550DUHFGP1 55OINCH LC550DUHFGP1 55LB6500UM COLOR 330CD 1920X1080 N LED 3DFPR 16001 120Hz Inverter WOTcon 642V18Bit 10000k 178178 6msGTGHS Display LC650DUFFGF1 LC650DUFFGF1 65LB7100UC 65LB7100UB 651NCH 450CD COLOR 1920X1080 240HzT N LED 3DFPR 16001 Inverter 1172W WTcon 10000k 178178 813it 6msGTGHSPJDark Titan...
  • Page 9 video resolutions Supported CRPR 2D inputY CBPB Component HfreqkHz VfreqkHz Resolution Pixel clock Proposed 15735994 135 720480 1573 135135 SDTVDVD 4801 SDTVDVD 720480 4801 720480 3150 SDTV 27027 480P 720480 3147 5994 SDTV 480P 1280720 4500 6000 7425 HDTV 720P 1280720 4496 5994...
  • Page 10 HDMI Input14b mode Resolution HfreqkHz VfreqHz clockMHz proposed Pixel input 5994605400FPLA315 720?480p TBSSSS 2700 Full 599460 FP LA 9000 1485 1280720p 4496 74177425 Full 5994 67432 148351485 1 9201080i 3375 7425 Full 2397624 FP LA 1485 19201080p 26973 23976 741757425 Full 33716 3375...
  • Page 11 57 USBDLNA Input Auto detection HfreqkHz VfreqkHz proposed mode Resolution Pixel clocktAHz Proposed input 3375 30000 7425 HDTV 19201060 1060P Sidebyside TapandBottom Checkerboard Interleaving Column Frame Interleaving Sequentia Photo Sidebyside TopandBottom 3D ManualMovie HfreqkHz VfreqkHz Resolution mode proposed input 704480 U nder Over 704‘480i...
  • Page 12 Miracastf Input Manual 30160 mode HfreqkHz VfreqkHz Resolution proposed input 1024768p 3DSide?byside TopandBottom 1280720p 19201080p O thers RF 3D InputDTV VfreqHz mode HfreqkHz clockMHz Resolution Pixel Proposed proposed input HDTV 1280720 45000 7425 720P Side by Side Bottom HDTV 19201080 3375 7425 Side by Side...
  • Page 13 ADJUST INSTRUCTION MAIN PCBA Adjustments Application LA42B spec sheet Chassis This Calibration applies applied models manufactured factory MAIN because calibration necessary LGExxxx Maker calibrated from already needs refer manually appendix adjust Specification 42 MAC Address Because Widevine this chassis necessary However transformer isolation...
  • Page 14 EDID DATA Ping Test Inspection port 4431 xvYCC 2D8bitPCPv1US Equipment setting PROGRAM Port Test Play 2D8bitPCMUSxvYCC EDID HDMI Program Test Input inspection 121222 number PORT TEST PING inspection Program Port Test Play Jack Connect each other Port Test button confirm Message Play CABLE...
  • Page 15 4432 4433 10bitPCMUS 3D8bitPCMUS xvYCC xvYCC EDID 2D 14bit PCMUSxvYCC EDID 3D8bitPCMUSxvYCC HDMI HDMI Reference Reference HDM11 HDM13 HDMI1 HDM14 EDID EDID bellows may data bellows different data different Input Input mode mode Product Product EDID EDID 0001 Table Function Tabie Function 0100...
  • Page 16 4434 Find Assembly Adjustment 10bitPCMUS xvYCC White Balance Adjustment EDID 3D 10bit PCMUSxvYCC HDMI Overview 5111 Howitworks Objective reduce each Panels deviation Objective Howitworks RIGB When gain means Range order Full Dynamic panel data saturation Full prevent Dynamic range RIGB lowered fixed other...
  • Page 17 Command 5152 Manual Adjustment Protocol adjustment mode Command POWER RS232C used autoadj using during Zero Calibrate then Color Analyzer probe place COMMAND RS232C 10cm module surface center within Explanation DATA Press WhiteBadjust ausinglaadj nRIC KEYI9 When then press cursor right White Balance Begin...
  • Page 18 Standard color coordinate temperature using selection Option per country 0CH14 CA21 by aging time Overview From Normal Korea January February line NonUSA done models Tool selection option only models LB5xxx LB6xxx LB7xxx LB8xxx Series America North to rating Warm Cool CANADA model LA42B...
  • Page 19 Motion remote Check Dimming controller Local Magic Inspection TILT moving Test Press check equipment moves from bottom IRKEYCODE black RFremote patterns patterns remote controller check work does whole screen local function dimming controller shows white Check full recommendation before that test battery tester...
  • Page 20 Only models Function test HDIMMI Inspection pattern Test Test equipment equipment MSHG600 MSPG6100 Generator HDMI Receiver Pattern Speaker Optic MSHG600 support 1220 mode model Pattern HDMI HDMI Cable version pattern Test Test method method Fig1 HDMI HDMI from Cable test Insert Input signal...
  • Page 21 Camera Port Function HDIVII Inspection Inspection method Test Camera check connects between Objective PCBA HDMI HDMI from Cable their Insert normally Function port HDM14 Only LB87 Method PowerOnly HDMI3 Test This available master equipment LB866 Inspection only Check Tester Green Display Status Camera...
  • Page 22 8 GND 9 USB HlPOT Download Test 81 GND HIPOT autocheck Service only preparation optional CABLE Check SIGNAL POWER CABE insertion socket Stick condition Stick update Automatically detecting file downloaded lower your version Stick program 82 GND HIPOT autocheck work than didnt Otherwise...
  • Page 23 adjustments Optional Manual White balance Adjustment 1011 items condition cautionary area condition surrounding surrounding Lighting lighting lower should dark isolate area into surrounding CA210 Probe Color should location Analyzer probe 10cm module within surface perpendicular 80100 Aging time After Power Keep Start status...
  • Page 24 EXPLODED VIEW IMPORTANT SAFETY NOTICE These Vary mechanical chassis have electrical this charaacteristlcs parts special safetyrelated EXPLODED Scher VIE? iderrtified ratio parts Diagram essential that these should with same components special safety parts replaced XRADIAT Shock Hazards recvrnmerded manual other this prevent Fire...
  • Page 25 0001 aaaaaa auouou mmmmm fflHE NNNNN 000000 Business LGE910IT000143528 Information Confidential Order Protective Subject...
  • Page 26 PAGE IDATE 1M14 LRoOPoT LaoAoono TeoTee...
  • Page 27 MMMM Inni Business LGE910ITC00143530 Information Confidential Order Protective Subject...
  • Page 28 0000000 mmmmm 88888888 0000 0000 000000 00000000 00000000 Business LGE910IT000143531 Information Confidential Order Protective Subject...
  • Page 29 PAGE IDATE...
  • Page 30 PAGE DATE...
  • Page 31 Business LGE910IT000143534 Information Confidential Order Protective Subject...
  • Page 32 PAGE DATE...
  • Page 33 ooEI Business LGE910IT000143536 Information Confidential Order Protective Subject...
  • Page 34 SHEET DATE 340V MEDEL QLDEK REAR a111 Debug...
  • Page 35 A? J OLOtJd till Business LGE910IT000143538 Information Confidential Order Protective Subject...
  • Page 36 PAGE SHEET DATE MODEL BLOCK...
  • Page 37 PAGE SHEET DATE MODEL BLOCK...
  • Page 38 PAGE SHEET DATE MLIDEL QLULK Block Ethernet...
  • Page 39 IDATE PAGE Block...
  • Page 40 PAGE Teti SHEET DATE 751V LOEK mpQEL...
  • Page 41 SHEET DATE PAGE MODEL QLMEK EARPHONE...
  • Page 42 DATE LOCK 1sxxexD...
  • Page 43 Business LGE910IT000143546 Information Confidential Order Protective Subject...
  • Page 44 IIII LLLLLL Business LGE910IT000143547 Information Confidential Order Protective Subject...
  • Page 45 Business LGE910IT000143548 Information Confidential Order Protective Subject...
  • Page 46 DATE...
  • Page 47 PAGE DATE LOCK...
  • Page 48 PAGE SHEET DATE a B TR MODEL QLEEK...
  • Page 49 PAGE SHEET DATE MODEL QLULK...
  • Page 50 Business LGE910IT000143553 Information Confidential Order Protective Subject...
  • Page 51 guide LEDLCD B6500 LB6300 Model Engineering 2014...
  • Page 52 assys assys option tool lineup tool assys Diagrams naming guide Product PCBs CONTENT Model Block 2014 Main Repair...
  • Page 53 Business LGE910IT000143556 Information Confidential Order Protective Subject...
  • Page 54 Business LGE910IT000143557 Information Confidential Order Protective Subject...
  • Page 55 Business LGE910IT000143558 Information Confidential Order Protective Subject...
  • Page 56 Name Options Model Tool option 2014 Tool naming Model...
  • Page 57 Business LGE910IT000143560 Information Confidential Order Protective Subject...
  • Page 58 Business LGE910IT000143561 Information Confidential Order Protective Subject...
  • Page 59 Business LGE910IT000143562 Information Confidential Order Protective Subject...
  • Page 60 KeyIR LVDS Main WiFi LA42B WIFI Main...
  • Page 61 KeyIR LVDS Main WiFi LA42B WIFI rout 00xx module Main...
  • Page 62 KeyIR LVDS Main WiFi LA42B WIFI Front Main...
  • Page 63 Business LGE910IT000143566 Information Confidential Order Protective Subject...
  • Page 64 XTAL 150P XTAL HDMI XTAL Line Diagram Block LVDS...
  • Page 65 Business LGE910IT000143568 Information Confidential Order Protective Subject...
  • Page 66 Business LGE910IT000143569 Information Confidential Order Protective Subject...
  • Page 67 Business LGE910IT000143570 Information Confidential Order Protective Subject...
  • Page 68 IC101 Side FCOMP1 Side Jack Diagram Block...
  • Page 69 Business LGE910IT000143572 Information Confidential Order Protective Subject...
  • Page 70 Business LGE910IT000143573 Information Confidential Order Protective Subject...
  • Page 71 PRST CH5161718 1CLK1CLK6 CH1121314 1VCOM Diagram Block Block IC101 Panel...
  • Page 72 DP01 USB2 PORT...
  • Page 73 Business LGE910IT000143576 Information Confidential Order Protective Subject...
  • Page 74 Cable Cable cable LVDS Assy Cable 24Pin Assy Assy Board Cable Power Main 8Pin 10Pin Main Main PCBs Cables...
  • Page 75 Cable Cable cable LVDS Assy Cable 24Pin Assy Assy Board Cable Main 8Pin 10Pin Main Main PCBs Cables Power 00UC...
  • Page 76 Cable Cable cable LVDS Assy Cable 24Pin Assy Assy Board Cable Power Main 8Pin 10Pin Main Main PCBs Cables...
  • Page 77 Cable Cable cable LVDS Assy Cable 24Pin Assy Assy Board Cable Power Main 8Pin 10Pin Main Main PCBs Cables...
  • Page 78 Cable Cable cable LVDS Assy Cable 24Pin Assy Assy Board Cable Power Main 8Pin 10Pin Main Main PCBs Cables Alit...
  • Page 79 Business LGE910IT000143582 Information Confidential Order Protective Subject...
  • Page 80 control Remote Magic assy built method diagram System Paring Block WIFI...
  • Page 81 BDADDR version when Paired packet saved after just packet BDADDR only sends Send packets Bypass pairing also 16bit also BDADDR Save Data 16khz gyro sends sends Save paired Omsec Data Data BDADDR Remote Motion When Data Static Period Voice Pairing Pairing Voice System...
  • Page 82 qqConfidential Business LGE910IT000143585 Information Order Protective Subject...
  • Page 83 time packet signal request request should some pairing state state alone alone pairing pairing about about just 3sec pairing pairing care care make send blink pairing send packet doesnt mode When should When should should When When back After After After after Wheel...
  • Page 84 DPDN REGON 374MHz feature Wafer 8pin assy diagram Built Block WIFI...
  • Page 85 Business LGE910IT000143588 Information Confidential Order Protective Subject...
  • Page 86 Business LGE910IT000143589 Information Confidential Order Protective Subject...
  • Page 87 model these Page System Process light auto GCSC image power Repair fail noise color audio video while symptom audio video Standard Error noise power when onoff Video Color spot there whether High Contents Check symptom Power Noise Video Error First...
  • Page 88 Manual Page Detail Process with LVDS LVDS light Part back Test Test Repair TCon TCon input Link Link LCDTV Check FExchange Standard TCon symptom spot light Error Type image Contents...
  • Page 89 0Confidential Business LGE910IT000143592 Information Order Protective Subject...
  • Page 90 Business LGE910IT000143593 Information Confidential Order Protective Subject...
  • Page 91 Main date date Test have Signal Cable Normal with using using Menu Signal...
  • Page 92 Main date date DVBSS2 signal have Problem fail Cable signal motor with Cable...
  • Page 93 date date repai Video Color Input...
  • Page 94 panel panel date image error spot Video light Check error spot image light device...
  • Page 95 2013 Replace Replace date date power Power Check...
  • Page 96 date date List Power auto Power when mode...
  • Page 97 Business LGE910IT000143600 Information Confidential Order Protective Subject...
  • Page 98 audio date date signal input Check aUdio only only only after error Audio When...
  • Page 99 Main 1013 date date aPA27 Close light turn light When from...
  • Page 100 Business LGE910IT000143603 Information Confidential Order Protective Subject...
  • Page 101 1213 then from date date with When Noise noise does stage apply nose When apply Poise Part...
  • Page 102 Business LGE910IT000143605 Information Confidential Order Protective Subject...
  • Page 103 page Manual from Page when Detail STBY when Process when Vcom MODE input Repair Check Standard symptom when when Error VCOM Contents...
  • Page 104 date date Temp audio Color BOARD value MAIN Manual item GAIN error after Video White value Detail into enter Press Enter After Entry sympto Process Repair...
  • Page 105 SCLK INVON PDIM PDIM Board Main date Board MOSI Power Check Audio date video Manual Board Video Detail Process ReDair...
  • Page 106 20dB strong 15dB date 10dB date signal When lagstop video error Manual Video error input Video TUNER Detail mpto Process ReDair MENU...
  • Page 107 date date video error Manual Video with error Video Detail Press mpto Process ReDair...
  • Page 108 IMMENNERM Business LGE910IT000143611 Information Confidential Order Protective Subject...
  • Page 109 date BOARD MAIN lagstop when video part date error Manual Video supply power Video from check Detail each Process signal ReDair Check After...
  • Page 110 2013 date error date MainBD Color Manual error Test MODULE image Video Detail using pixel error Process 4Video types ReDair item view...
  • Page 111 Power defect Power defect defect Board TCon Exchange defect defect Appendix...
  • Page 112 Business LGE910IT000143615 Information Confidential Order Protective Subject...
  • Page 113 Business LGE910IT000143616 Information Confidential Order Protective Subject...
  • Page 114 damage Press module exchange Cases please Light damage Mura case Press Panel this Module Light damage Exchange Mura Press Panel Appendix...
  • Page 115 line Block module Gate exchange Cases Line Block please case Gate this Module Block Block Block Exchange Gate Gate Appendix...
  • Page 116 date date power Manual error Power Detail mpto Process ReDair...
  • Page 117 SCLK INVON PDIM PDIM Board Main date date Board MOSI Power Check power STBY Manual when error input Power power Check Detail mpto Process only ReDair stby When...
  • Page 118 Business LGE910IT000143621 Information Confidential Order Protective Subject...
  • Page 119 Business LGE910IT000143622 Information Confidential Order Protective Subject...
  • Page 120 touch when date sound SCLK INVON PDIM PDIM Board Chlk Main video Board Board Board Main date Manual MOSI Power check from there audio when Audio remove Detail there voltage input when input Process order here Reaair output Check...
  • Page 121 KEY2 KEY1 Analo date date when normal move does board Manual when Main polder when slowly Detail PieAmp moues cable Process needle order Chec Check when Tester ReDair...
  • Page 122 Business LGE910IT000143625 Information Confidential Order Protective Subject...

This manual is also suitable for:

55lb6500