LG OLED55B6 Series Service Manual

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OLED TV

SERVICE MANUAL

CHASSIS : ED64B

MODEL : OLED55/65B6*

CAUTION

BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

P/NO : MFL69570101 (1604-REV00)

Internal Use Only

OLED55/65B6*-Z

Summary of Contents for LG OLED55B6 Series

Page 1 Internal Use Only OLED TV SERVICE MANUAL CHASSIS : ED64B MODEL : OLED55/65B6* OLED55/65B6*-Z CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69570101 (1604-REV00)
Page 2 ADJUSTMENT INSTRUCTION .............. 15 BLOCK DIAGRAM.................. 27 EXPLODED VIEW ................... 35 DISASSEMBLY ..................36 TROUBLE SHOOTING GUIDE ..........APPENDIX - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 3 An other abnormality exists that must be corrected before the receiver is returned to the customer. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 5 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. - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 6 SAT10&7 68.5E, INTELSAT15 85.2E, INTELSAT1R 50.0W, INTEL- SAT903 33.5W, INTELSAT904 60.0E, NILESAT 7.0W, NSS12 57.0E, THOR 0.8W, TURKSAT 42.0E,YAMAL201 90.0E, OTHER - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 7 S Band III : 300 ~ 470 Mhz Maximum number of 6,000 3,000 storable programmes External antenna 75 Ω impedance - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 8 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 9 UDTV 2160P(DVB) UHDonly(Port1,2)-LM15U Only 4096*2160 134.86 59.94 593.41 UDTV 2160P UHDonly(Port1,2)-LM15U Only 4096*2160 135.00 60.00 594.00 UDTV 2160P UHDonly(Port1,2)-LM15U Only - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 10 Side-by-side(half) Secondary(SDTV 576P) Side-by-side(Full) (SDTV 576P) 720*576 Frame packing Secondary(SDTV 576P) 62.50 50.00 54.00 17,18 Line alternative (SDTV 576P) - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 11 (3) DTV( 3D) (3D supported mode automatically) Signal H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed 3D input proposed mode Side by Side(half) Frame compatible Top & Bottom - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 12 Side by Side(half), Top & Bottom 2D to 3D, 1920*1080 33.71 29.97 74.18 HDTV 1080P Side by Side(half), Top & Bottom - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 13 594.00 2D to 3D, (HDMI1,HDMI2 Only) HDTV 2160P Side by Side(half) 60.00 Top & Bottom 135.00 594.00 (HDMI1,HDMI2 Only) - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 14 Remark: 3D Input mode Side by Side Top & Bottom Checkerboard Single Frame Frame Column 2D to 3D Sequential Packing Interleaving Interleaving - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 15 : DETECT → MAC → ESN → Widevine → CI → HDCP20 ▪ Play: Press Enter key ▪ Result: Ready, Test, OK or NG ▪ Printer Out (MAC Address Label) - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 16 4) Check the model name Instart menu. → Factory name displayed. (ex 65UG870V-ZA) 5) Check the Diagnostics.(DTV country only) → Buyer model displayed. (ex 65UG870V-ZA) - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 17 ⓒ Month, Year: Controlled on production line: ex) Monthly : ‘01’ → ‘01’, Year : ‘2016’ → ‘1A’ EDID Block 1, Bytes 128-255 [80H-FFH] ⓓ Model Name(Hex): LGTV ⓔ Checksum(LG TV): Changeable by total EDID data. 4B F1 ⓕ Vendor Specific(HDMI) 01 5D 5E 5F...
Page 22 → If it doesn’t show “OK” message, the Sensor Module is defected one. You have to replace that with a good one. - 22 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 “wb 00 ff”, and Adj. offset if need. Cool 0.271±0.002 0.270±0.002 13000K 0.0000 Medium 0.286±0.002 0.289±0.002 9300K 0.0000 Warm 0.313±0.002 0.329±0.002 6500K 0.0000 - 23 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 24 G gain is more than 255 , G gain can adjust less than 192 ) and change the others ( R/G Gain ). 3) Adjustment mode : mode – Cool - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 25 - After final inspection, press In-Stop key of the Adjustment remote control and check that the unit goes to Stand-by mode. - 25 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 26 (2) Select "Tool Option 1" and push "OK" key. (3) Punch in the number. (Each model has their number) - 26 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 35 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 Pull up bottom of Rear Small Cover to remove. 3. Remove Stand Screw and Stand. FAB30016103 (M4*12mm), 4EA Remove Screw 4EA first, next remove Stand. - 37 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 38 Add only 55” 5. Remove PowerCord Bracket. Pull up Power Cord, than remove Bracket, next remove cord from PSU. - 38 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
Page 42 Circuit noise, mechanical noise F. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GSCS System for these model. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 Always check & record S/W Version and White Replace Main Board Re-enter White Balance value Balance value before replacing the Main Board LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 Power Normal replace Board ( 13V or 24V) voltage? No audio MAIN B/D Replace Power Board and repair parts LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 2. Install Booster S/W Upgrade Normal Contact with signal distributor or broadcaster (Cable or Air) Picture? Normal Picture? Replace Main B/D Close Close LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 Request repair for external device/cable Check external External device HDMI device and Replace Main/T-con B/D /Cable error cable normal LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 (Check normal operation of Main /T-con External Input, Component, normal? RGB and HDMI/DVI by connecting Jig, pattern Generator ,Set-top Box etc. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 Measure voltage of each output of Power B/D Normal? ※ Normal Replace Main B/D voltage? Close Normal Check ST-BY 3.5V voltage? ☞A9 Replace Power B/D Replace Power LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 Power off by S/W Download "POWER_OFF_BY_UNKNOWN" Power off by unknown status except listed case Abnormal "POWER_OFF_BY_CPU_ABN" Power off by CPU Abnormal LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 Speaker off Board Cancel OFF Replace Power Board and repair parts Check Replace MAIN Board Disconnection Speaker disconnection Replace Speaker LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 Connect and check Normal External Input other external audio? signal error) device Check and fix external device Check and fix external device LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 (Power B/D don’t have problem) If R/C operate, Normal Close Explain the customer operating? cause is interference from light in room. Replace R/C LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 Down load the Firmware •If you conduct the loop at 3times, * INSTART MENU12.RF remote control Test3. change the MR15R. Firmware download LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 Main B/D ☞A15 Check & Repair Close Wifi cable connection ☞A4 Wi-Fi Mac value Close is “NG”? Change the Wifi assy LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 - S/W Version HDMI/ Check and fix DVI, Optical Replace Main B/D Fix in external device/cable Recognition error accordance with technical information LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 “Part related to nose” in the Owner’s then proceed as shown in the solution manual Manual. (For models without any fix information, provide the description) LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote Replace remote control control damage Stand Replace stand dent LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 A. Video error_ Color error condition <Appendix> Exchange Module (1) A-1/2 Defected Type caused by T-Con/ Exchange Module (2) A-2/2 Inverter/ Module LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 Remote control operation checking method D. Function error Motion Remote operation checking method Wifi operation checking method LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 After Remove the Rear Cover, turning on the power and check with the naked eye, Whetehr you can see light from locations. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 Content date  All Settings  Channels Channel Tuning When the signal is strong, use the attenuator (-10dB, -15dB, -20dB etc.) LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 Version checking method Content date 1. Checking method for remote control for adjustment Version Press the IN-START with the remote control for adjustment LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 1. Check the signal strength or check whether the screen is normal when the external device is connected. 2. After measuring each voltage from power supply, finally replace the MAIN BOARD. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 Revised Content Connection diagram date As the part connecting to the external input, check the screen condition by signal LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 Content Check Link Cable (EPI) reconnection condition date Check the contact condition of the Link Cable, especially dust or mis insertion. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 Brightness difference Line Dim Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Burnt A – 1/2 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 Green Noise on power on/off time Line Defect Un-repairable Cases In this case please exchange the module. Mura A – 2/2 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 B. Power error _No power symptom date Revised Content Check front display Logo date ST-BY condition: On or Off Power ON condition: Turn Off LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 Error Established B. Power error _No power symptom date Revised Check power input voltage Content date Check the DC 24V, 13V LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 1. Press the IN-START button of the remote control for adjustment 2. Check the entry into adjustment item 3(power On/Off Status) LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 1. Press the Setting button on the remote control 2. Select the Sound function of the Menu 3. Select the Sound Out 4. Select TV Speaker LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 ③ Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal, the speaker is normal. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 Checking order 1, 2. Check IR cable condition between IR & Main board. Check the st-by 3.5V on the terminal 4 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 Check WIFI Combo cable condition between WIFI Combo Assy & Main board. Check the st-by 3.5V P4102 on the terminal 4 Check the 3.5V_WIFI P4101 on the terminal 8 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 Checking order 1, 2. Check Wifi cable condition between Wifi assy & Main board. Check the 3.3V on the terminal 8. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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LG OLED55B6 Series Service Manual

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