background image

2. Connection to monitor 

1. Click Initialize 

If Initialize succeed, you can see above pop-up. 

Copyright 

 2016 - 2018 LG Electronics Inc. All rights reserved. 

Only training and service purposes.

Содержание 22MD4KA

Страница 1: ...G THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL Copyright 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes CONFIDENTIAL MFL68920197 1803 REV01 LM6FA 22MD4KA 22MD4KB UltraFine 4K MONITOR ...

Страница 2: ...c All rights reserved Only training and service purposes CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 TROUBLE SHOOTING GUIDE 6 BLOCK DIAGRAM 9 EXPLODED VIEW 10 DISASSEMBLY 11 CHECK GUIDE APPENDIX TRAINING MANUAL APPENDIX CONTENTS ...

Страница 3: ...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 AC 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 metall...

Страница 4: ... joystick switch Function USB C Alt mode Power Delivery Speaker Ambient Light Sensor HDCP2 2 7 Input USB C3 USB C3 input USB C Type USB 2 0 communication In TBT3 Jack USB down USB2 0 Downstream x 3 USB C design Audio USB data format Audio 48kHz 24bit UAC1 0 ALS Ambient Light Sensor Front 8 Power Code Length 1 80 Shape Wall out Color White Weight 0 17kg P No EAD63890501 EAD63890508 Refer to Suffix ...

Страница 5: ...xels 522 61 133 32 3920 3840 8 32 40 3840x2160 V Lines 60 2222 2160 1 8 23 3 H Pixels 234 59 88 86 2640 2560 8 32 40 2560x1440 V Lines 60 1481 1440 1 8 23 4 H Pixels 593 82 142 2 4176 4096 8 32 40 4096x2304 1 V Lines 60 2370 2304 1 8 57 5 H Pixels 292 77 70 11 4176 4096 8 32 40 4096x2304 V Lines 30 2337 2304 1 8 24 6 H Pixels 257 66 65 73 3900 3840 8 32 40 3840x2160 V Lines 30 2191 2160 1 8 22 7 H...

Страница 6: ...eplace X500 N Check C950 Voltage Level 20V Check Power connector OK Power board Y N Y Check IC903 Output Voltage Level 3 3V Replace IC902 Recheck Y N Check X500 Clock 14 318MHz Check IC904 Output Voltage Level 1 1V Replace IC903 Recheck N Y Replace IC501 Flash Memory Y Check IC092 Output Voltage Level 1 8V Replace IC904 Recheck N Y ...

Страница 7: ...eck IC800 Replace LED Driver IC Y N N Check Panel Power 10V L903 Check IC900 Output 10V Replace IC900 Recheck Y N Check Panel eDP AUX P501 17 18 Check IC500 Repair Main B D Y N Check FFC Cable for Damage or Open Conductors Check LED Driver Output P800 3 4 Replace T Con Board or Module Y Replace Main Scaler IC IC501 N Check WLED_ENABLE High Y ...

Страница 8: ...reserved Only training and service purposes 3 No Video USB C Up Replace Main Scaler IC500 Check input signal format Is it supported Check JK101 for proper connection or Damage Replace Connector Y N Y Check DP Cable for Damage or Open Connector Y ...

Страница 9: ... 8Mb Upstream Down1 Down2 Down3 Down4 Micom LPC11U68 NXP USB Audio Processor ALC4040 Realtek Flash 8Mb Audio Amplifier NTP7515D Neof idelity USB2 0 LED Driver LP8860 Q1 TI Flash 8Mb TCON LGD 21 5 eDP Hsync DDC USB2 0 DDCVGA PWM I2C I2C PWM eDP I2S MUX Control CC1 2 Vconn AUX VBUS PD Type C 4Lane USB2 0 USB3 0 2Lane SS Tx Rx USB2 0 PWM I2C I2C I2C I2C_2 AMSEL EN POL I2C_1 ALS CM3232 Capella I2C DP ...

Страница 10: ...d characteristics These parts are identified by in 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 original design without permission of manufacturer IMPORTANT SAFETY NOTICE 900 541 300 200 350 830 530 545 540 120 700 AM1 400 LV1 220 ...

Страница 11: ...utton 3 Unscrew the 3EA screw from Back cover 4 Insert plastic adjuster lever between Cabinet and Back cover at the groove of lever position Caution Handle with care from scratch 5 Push plastic adjuster lever softly than unlock the Cabinet and Back cover latch 6 Push plastic adjuster lever softly one by one Caution Handle with care from scratch Screw Groove of lever inside of Cabinet ...

Страница 12: ...right side by hand 8 Disassemble LED Harness LVDS cable ALS cable power cable and speaker cable 9 Unscrew the 4EA screw to detach Rear shield Assy from LCM 10 Unscrew the 11EA screw to detach middle cabinet from LCM 11 Detach Cabinet from LCM using plastic jig Caution If pull or push the LCM without releasing latch on the cabinet case top of LCM can be deformation So Latch of cabinet and LCM shoul...

Страница 13: ...CHECK GUIDE Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 14: ...exe 0 Connect PC and Monitor USB C to C Cable Or USB A to C Cable P N EAD63809902 USB A to C Cable P N EAD63932601 USB C to C Cable Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 15: ...2 Connection to monitor 1 Click Initialize If Initialize succeed you can see above pop up Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 16: ...White 2 Red 2 Click Set Aging button 3 Click Get Aging button 4 AC Off On the monitor 5 The pattern what you configured will be shown in monitor screen 1 2 3 Once you complete to check the screen by using Aging mode please click Factory Reset to reset the monitor Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 17: ...ker change the playback device as below Play MP3 player and check sound and speaker Path Start Control Panel Sound Click LG Monitor Audio Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 18: ...elow 3 items USB Audio ALS Ambient Light Sensor USB Hub Device Unknown USB device is no problem Path Computer Property Device Manager Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 19: ...TRAINING MANUAL Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 20: ...can download and install the latest version from the LGE website www lg com LG Screen Manager 1 FW update method 1 Select the Monitor Update menu 2 Select the FW image Zip file 3 Progress the update 4 Complete the Update Press the Restart button Copyright ⓒ 2016 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Страница 21: ...63932601 USB C to C Cable Cable Window PC picture voice Interface USB A to C Cable USB C to C Cable Testing is possible by installing pattern program in Windows PC Since it is Thunderbolt3 exclusive model no other input is available For repair result check up Thunderbolt3 Host equipment is needed Picture and Sound Camera Function can be checked tru Mac PC Since it is USB C type model no other inpu...

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