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LG 65UX970H Service Manual
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LG 65UX970H Service Manual

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LED TV
SERVICE MANUAL
CHASSIS : LA5BP
MODEL : 65UX970H
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL69497603 (1602-REV00)
Internal Use Only
65UX970H-UA

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Summary of Contents for LG 65UX970H

  • Page 1 Internal Use Only LED TV SERVICE MANUAL CHASSIS : LA5BP MODEL : 65UX970H 65UX970H-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL69497603 (1602-REV00)

  • Page 2: Table Of Contents

    SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 15 TROUBLE SHOOTING GUIDE ............... 27 BLOCK DIAGRAM .................. 35 EXPLODED VIEW .................. 40 - 2 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

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

  • Page 6: Specification

    Rear (1EA), USB Input(3EA) EMF, DivX HD, For SVC (download) Side JPEG, MP3, DivX HD Support USB3.0 only USB1 - 6 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 0.372 ×0.372 LC650EQF-FHF1 55” 0.315×0.315 LC550EQE-PHF1 49” 0.27963×0.27963 NC490EGE-SADR1 Display Colors 1.06 B (10-bit) Surface Treatment Hard coating (2H), Anti-glare - 7 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 WUXGA(Reduced Blanking) 3840*2160 67.50 30.00 297.00 3840*2160 56.25 25.00 297.00 3840*2160 54.00 24.00 297.00 4096*2160 53.95 23.97 4096*2160 54.00 24.00 - 8 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 UDTV 2160P 4096*2160 67.50 30.00 UDTV 2160P 4096*2160 135.00 59.94 UDTV 2160P(HDMI 2,3 only) 4096*2160 135.00 60.00 UDTV 2160P(HDMI 2,3only) - 9 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 29.976 / 30.00 148.35/148.5 Side-by-side(Full) (HDTV 1080P) 67.43 / 67.5 59.94 / 60 148.35/148.50 Top-and-Bottom Primary(HDTV 1080P) Side-by-side(half) Secondary(HDTV 1080P) - 10 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 25.00 67.5 30.00 296.703 Others 640*350 2D to 3D, 720*400 Side by Side(half), Top & Bottom 640*480 800*600 1152*864 - 11 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 3D input proposed mode 1080P 33.75 Side by Side(Half), Top & Bottom, Checker Board, MPO(Photo) 2160p 67.5 MPO(Photo), JPS(Photo) - 12 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 5.2.10. Miracast, Widi (3D supported mode manually) Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) 3D input proposed mode Others 2D to 3D - 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 Packing Line Column Sequential Interleaving Interleaving LLLLL - 14 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15: Adjustment Instruction

    ▪ xb 00 06 [Change input source to RGB(1024*768)] ▪ ad 00 10 [Adjust 1920*1080 RGB] ▪ aa 00 90 End adj. - 15 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 (1) Play the LAN Port Test PROGRAM. (2) Input IP set up for an inspection to Test Program. * IP Number : 12.12.2.2. - 16 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 C. 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 - 17 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 (2) Select [Start] button by pressing Enter key, HDMI1 / HDMI2 ⓓ Model Name(Hex): LGTV / HDMI3 / HDMI4 are Writing and display OK or NG. ⓔ Checksum(LG TV): Changeable by total EDID data. For HDMI EDID ⓕ Vendor Specific(HDMI) DVI-D to HDMI or HDMI to HDMI 5.2.4.1.
  • Page 19 # PCM HDMI2 (C/S: 03,5E)_6G_2D ONLY_UHD Deep Color # PCM HDMI2 (C/S: 49,DD)_3G_UHD Deep Color OFF # PCM HDMI3 (C/S: 03,4E)_6G_2D ONLY_UHD Deep Color - 19 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 Gray(Model:217, Pattern:78) → Only when internal pattern is not available ※ Color Analyzer Matrix should be calibrated using CS-1000 - 20 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 * (wb 00 20(start), wb 00 2f(endc)) -> Off-set adj. wb 00 ff -> End white balance auto adj. - 21 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 22 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 0.0000 - 22 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 23 . You should change Eye Q sensor (3) Don’t wear a 3D Glasses, Check the picture like below - 23 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 24 (1) RF input: Mono, 1KHz sine wave signal, 100% Modulation (2) CVBS, Component: 1KHz sine wave signal (0.4Vrms) (3) RGB PC: 1KHz sine wave signal 0.7Vrms - 24 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 (2) Turn to the Pro:Idiom channel (No. 96-1) (3) Check the video & sound ** Only displayed at “POWER ONLY” 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” button. (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 27: Trouble Shooting Guide

    Check IC3001 IIC IC3001 communication state Check IR input state of IC3001 Check IR board 57pin Re-download PTC Micom - 27 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 Replace L6707 or IC6700 Check tuner 1.8V power L6707 Replace Main IC(IC101) or Check Mstar LVDS output main board - 28 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 Check tuner application circuit or TU6700 #6, 8, 16 Pin replace tuner. Check X101 Replace X101 and application circuit Replace IC101 - 29 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 You should decide to replace LM15U or not. Can you see the normal waveform? - 30 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Replace L5802,L5803,L5804,L5805 L5802,L5803,L5804,L5805 Replace IC5800 Check IC5800 After checking audio signal line, you should decide to replace item or not. - 31 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 This board has big problem because Main chip (LM15U) have some troubles. After checking thoroughly all path once again, You should decide to replace LM15U or not. - 32 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 This board has big problem because Main chip (LM15U) have some troubles. After checking thoroughly all path once again, You should decide to replace LM15U or not. - 33 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 Can you see the normal waveform? Check the connector & Speaker - 34 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 35: Block Diagram

    Block Diagram 1. LM15U + URSA11 Block diagram - 35 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 2. LM15U : Magic Packet + Wake-up Frame - 36 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 3. LM15U IC Block Diagram - 37 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 38 4. LM15U Front End / Pro:Idiom TP path - 38 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 39 5. LM15U / PTC UART - 39 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 40: Exploded View

    Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. - 40 - Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only Only for training and service purposes...

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