LG 86UH5C Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Monitor
  5. 86UH5C
  6. Service manual

LG 86UH5C Service Manual

Hide thumbs Also See for 86UH5C:

Advertisement

Table of Contents

LG Digital Signage

SERVICE MANUAL

CHASSIS :
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO :
MFL67237484 (1604-REV00)
LW68E
86UH5C
Internal Use Only
86UH5C-BF

Advertisement

Table of Contents
loading

Related Manuals for LG 86UH5C

Summary of Contents for LG 86UH5C

  • Page 1: Service Manual

    Internal Use Only LG Digital Signage SERVICE MANUAL CHASSIS : LW68E MODEL : 86UH5C 86UH5C-BF CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL67237484 (1604-REV00)

  • Page 2: Table Of Contents

    SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 10 BLOCK DIAGRAM .................. 18 EXPLODED VIEW .................. 19 TROUBLE SHOOTING GUIDE ..........APPENDIX - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Precaution

    Please use only a plastic screwdriver to protect yourself fabrikat og type. from shock hazard during service operation. Levér det brugte batteri tilbage til leverandøren. - 3 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Servicing Precautions

    - 4 - 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. 3. Solder the connections. - 5 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    HDMI3/DP: 3840×2160 @ 30Hz OPS/DVI: 1920×1080 @ 60Hz Resolution HDMI1/2: 3840×2160 @ 60Hz Recommend HDMI3/DP: 3840×2160 @ 30Hz OPS/DVI: 1920×1080 @ 60Hz - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: General Specification

    Tact Key(INPUT, MENU, ˄, ˅, <, >, SET, 8 keys Φ/I) Set Installation Wall Mount PIP/PBP Mode O/O(2 /3 /4) Split Screen Mode - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 HDTV 1080P 60Hz 2160/30P 67.5 UD 2160P 30Hz HDMI1/2/3, DisplayPort 2160/50P 112.5 UD 2160P 50Hz HDMI1/2 2160/60P UD 2160P 60Hz HDMI1/2 - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 1080/50P 56.25 HDTV 1080P 50Hz 1080/60P 67.5 HDTV 1080P 60Hz 2160/30P 67.5 UD 2160P 30Hz HDMI1/2/3, DisplayPort PIP (Main) - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Adjustment Instruction

    ▪ Ship-out mode ▪ Service Option Default ▪ Tool option menu, USB Download(S/W Update, Option, Service only) ▪ ISP Download(Option) - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Manual Adjustment

    ▪ Adjust remocon 4.4. Serial number download Connect Bar Code scan equipment and set by RS-232C cable. 1) E2PROM Data Write - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 Monthly : ‘01’ -> ‘01’ RS232C In/Out Phone jack Type ( As of 2015) Year : ‘2015’ -> ‘19 ⓓ Model Name(Hex): LGTV ⓔ Checksum(LG TV): Changeable by total EDID data. ⓕ Vendor Specific(HDMI) * Checksum(HDMI1/HDMI2/HDMI3/OPS/DVI/Displayport) Input CheckSum HDMI1 0x4A, 0x46(HDMI2.0)
  • Page 13 3) HDMI1(Check Sum : 0xB0, 0x1E) (PIP sub, PBP) 6) HDMI2 (Check Sum : 0xAF, 0x0E) (PIP sub, PBP) - 13 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14 8) HDMI3 (Check Sum : 0xAE, 0xFE) (PIP sub, PBP) 12) DP (Check Sum : 0x97, 0xB5) (PIP sub, PBP) 9) OPS (Check Sum : 0x69, 0x82) - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15: White Balance Adjustment

    RS-232C RS-232C G Cut ※ Pattern Generator B Cut Signal Source ※If Signage internal pattern is used, not needed - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 16: Color Temperature

    210(CH 14) [applied only LGD Module] Coordinate Mode Temp ∆uv 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 - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 ▪ I f internal pattern is not available, use RF input. In EZ Adj. menu 6.White Balance, you can select one of 2 Test-pattern: ON, OFF. Default is inner(ON). By selecting OFF, you can 4) Updating is starting. adjust using RF signal in 216 Gray pattern. - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18: Block Diagram

    BLOCK DIAGRAM DDR3 DDR3 DDR3 DDR3 DDR3 DDR3 DDR3 DDR3 - 18 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 19: Exploded View

    Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 21: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 22 Circuit noise, mechanical noise E. Exterior error Exterior defect First of all, Check whether there is SVC Bulletin in GCSC System for these model. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 23 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 24 Power Normal replace Board ( 12V,20V or voltage? No audio MAIN B/D 24V…) 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 25 Check external External HDMI / DVI-D device and Replace Main B/D device /Cable / DP error cable normal LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 26 DVI-D External Input, Component, normal? Main B/D Diplay Port 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 27 On Remote control Replace Main B/D ☞A12 Measure voltage of each output of Power B/D Normal Replace Main B/D voltage? Replace Power B/D LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 28 Power off by unknown status except listed case "POWEROFF_ABNORMAL1" Power off by abnormal status except CPU trouble Abnormal "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 29 (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 30 - S/W Version HDMI/DVI, Check and fix Replace Main B/D Optical Recognition Fix in external device/cable error accordance with technical information LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 31 Main B/D ☞A24 Close Check & Repair 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 32 “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 33 Zoom part with Module Replace module exterior damage damage Cabinet Replace cabinet damage Remote controller Replace remote controller damage Stand Replace stand dent LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 34 A-3/5 Defected Type caused by T-Con/ Inverter/ Module Exchange Module (1) A-4/5 Exchange Module (2) A-5/5 Continue to the next page LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 35 B. Power error_Off when on, off POWER OFF MODE checking method while viewing D. Function error IR Cable operation checking method LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 36 After turning on the power and disassembling the case, check with the naked eye, whether 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 37 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. (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 38 <ALL MODELS> 1. Checking method for remote controller for adjustment Version Press the IN-START with the remote controller for adjustment LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 39 Revised Content Connection diagram (1) date <86UH5C> 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 40 Check Link Cable (Vx1) reconnection condition date <86UH5C> 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 41 Checking item : 1. Defective pixel 2. Residual image 3. MODULE error (ADD-BAR,SCAN BAR..) 4.Video error (Classification of MODULE or Main-B/D!) LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 42 Solder defect, CNT Broken Solder defect, CNT Broken T-Con Defect, CNT Broken Abnormal Power Section Solder defect, Short/Crack Solder defect, Short/Crack A - 1/5 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 43 Abnormal Power Section Solder defect, Short/Crack Abnormal Display Fuse Open, Abnormal power section Solder defect, Short/Crack Noise GRADATION GRADATION A - 2/5 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 44 Appendix : Exchange Power Board (PSU) No Light Dim Light Dim Light Dim Light No picture/Sound Ok A - 3/5 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 45 Panel Mura, Light leakage Press damage Crosstalk Press damage Crosstalk Un-repairable Cases In this case please exchange the module. Press damage A - 4/5 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 46 Un-repairable Cases In this case please exchange the module. Horizontal Block Gate TAB IC Defect Gate TAB IC Defect A - 5/5 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 47 Error symptom date Revised Check power input voltage Content date ’15Y 적용 24Pin map (PSU) P202/P203 Check the DC 20V, 12V. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 48 Entry method 1. Press the IN-START button of the remote controller for adjustment 2. Check the entry into adjustment item 3 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 49 3. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all. LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 50 Checking order to check motion remote/wifi Checking order 1.Check BT/Wifi cable condition between BT/Wifi assy & Main board. 2.Check the 3.5V on the terminal 2 LGE Internal Use Only Copyright ⓒ 2016 LG Electronics. Inc. All right reserved. Only for training and service purposes...

This manual is also suitable for:

86uh5c-bf

Table of Contents