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LG 24MP60 Series Service Manual Download Page 23

- 23 -

LGE Internal Use Only

Copyright  © 

  LG Electronics. Inc. All rights reserved.

Only for training and service purposes

Fig 5 Separate to Back cover by hand at bottom

Fig 6 Disassemble the backcover

Fig 7

  

Separate to B/C.

  

Fig 8 Separate to the LED Wafer/ LVDS & Jog cover assy.

Summary of Contents for 24MP60 Series

Page 1: ...CHASSIS MODEL 24MP60 CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL LED MONITOR SERVICE MANUAL LM68A P NO MFL70042601 1701 REV00 Internal Use Only ...

Page 2: ... SPECIFICATION 4 TROUBLE SHOOTING GUIDE 25 BLOCK DIAGRAM 20 21 EXPLODED VIEW DISASSEMBLY 22 ADJUSTMENT INSTRUCTION 7 CONTENTS LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 3: ...ved 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 metallic part has a return path to the chassis the measured resistance should be between 1...

Page 4: ... DDC2B DDC2AB HDCP Control Lock Original Ratio Wide Black level Smart Energy Saving Screen Split SUPER RESOLUTION Color Wizard Reader mode LG Color Cloning Black Stabilizer 7 Input D SUB IN RGB Analog DVI IN DVI IN HDMI IN HDMI IN HP OUT Audio L R OUT 8 Power Cord Length 1 5 0 05 M Shape Wall out Color Black Refer to Suffix standard and power cord table 9 Cable Signal Cable D SUB Length 1 5m Shape...

Page 5: ... 0A Max DC 19V 1 6A DC 19V 1 3A Output DC 19V 1 3 A Refer to Suffix standard 11 Applied Panel List P N EAJ62570001 P N EAJ63989601 P N EAJ63908401 P N EAJ63953201 LM238WF1 SJE1 LM238WF1 SJK1 MV238FHB N40 HM238EUN SLML9 Applied BLU List P N EBV61158009 BLACK P N EBV61158010 WHITE Black color EBV61158021 White color EBV61158022 P N EBV61158025 BLACK ...

Page 6: ...6 H Pixels 65 0 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 0 806 768 3 6 29 7 H Pixels 78 75 60 023 1312 1024 16 96 176 1024 x 768 V Lines 75 029 800 768 1 3 28 8 H Pixels 108 0 67 500 1600 1152 64 128 256 1152 x 864 V Lines 75 000 900 864 1 3 32 9 H Pixels 108 0 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 10 H Pixels 135 0 79 976 1688 1280 16 144 248 1280 x 1024 ...

Page 7: ... 3 1 Overview Use factory automation equipment and adjust automatic movement But do via passivity adjust in error occurrence 3 2 Adjustment order refer to the Adjustment standard and adjustment command table 3 2 1 Board Assembly Line Connect input signal to 15pin D sub Ready for adjustment check whether adjustment command works normally or not and the operating state of each mode Check the display...

Page 8: ...d connect D SUB cable Internal ADC steps as below On AC power on with Aging mode checking the ADC values and then decide to do or not If don t use internal ADC please follow below step Input 16 step pattern for ADC Mode12 pattern 11 Video level 700 mVp p Adjust by commanding AUTO_COLOR_ADJUST Confirm Success message in Screen or Check the data of 0x0D 0x0E address of EEPROM 0xA8 is 0xAA after wait...

Page 9: ... mVp p Set as 6500K by commanding COLOR_MODE_CHANGE Command code 6500K color adjustment If this TCO 03 spec should be satisfied later refer to below method Adjust to meet x 0 317 0 005 y 0 332 0 005 in 5 minutes x 0 315 0 005 y 0 331 0 005 in 5 30 minutes x 0 313 0 005 y 0 329 0 005 over than 30minutes and confirm Option It s another method for 6500K color adjustment at Gumi NT At first check ΔUV ...

Page 10: ...ry Brightness and Contrast and confirm the variation of Luminance and display status Operate the Super Resolution function and confirm variation of Luminance Make sure to do FACTORY RESET after confirmation of OSD function 3 2 5 6 Confirm the display state by inputting 8 color Bar Pattern 256 Gray Scale pattern 3 2 5 7 DPM operation confirmation Check if Power LED breathing and Power Consumption o...

Page 11: ...k whether written EDID data is correct or not refer to Product spec After writing EDID send Elapsed Time Clear command Elapsed time should not be displayed after EDID writing Confirm periodically in the first set of new lot process change whether module name and aging time disappeared on the self diagnostics OSD with signal cable disconnected If Elapsed Time Clear command isn t executed module nam...

Page 12: ...r level meet spec save V com value at EEPROM Connection Diagram The type of Probe must be CA P12 15 or CA P15 V com adjustment Spec Model Flicker level xxMP58xx 20 4 Signal composition for adjustment 4 1 I2C 100K BPS 4 2 COMMUNICATION START Until ACK BIT goes LOW Repeat it 4 3 Command form Command form use DDC2AB standard communication protocol START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS A STOP...

Page 13: ...A 00 00 Mode Data FOS Save 7 COLOR SAVE EB 00 00 User color 01 6500K 02 9300K 10 Tune H Position 20 00 00 Tune H Position 11 Tune V Position 30 00 00 Tune V Position 12 Tune CLOCK 90 00 00 Tune CLOCK 13 Tune PHASE 92 00 00 Tune PHASE 14 R GAIN 16 00 00 80 Tune Gain 15 G GAIN 18 00 00 80 16 B GAIN 1A 00 00 80 17 R OFFSET 80 00 00 80 Tune OFFSET 18 G OFFSET 82 00 00 80 19 B OFFSET 84 00 00 80 20 BRI...

Page 14: ...em 30 Module Select Page A6 0xF3 F6 00 PANEL BIZ 0X44 LM215WF3 22MP58VQ X 0X21 LM238WF1 24MP58VQ X 0X03 LM27OWF5 27MP58VQ X 0x4E PBLGD215ES 22MP58VQ K EPA7 0 0x07 PBLGD270ES 27MP58VQ K EPA7 0 0x2B PBLGD238ES 24MP58VQ K EPA7 0 0x2E LM238WF1SJK1 24MP58VQ M PLUS16 0x29 MV238FHBN40 24MP58VQ D BOE 0x4D LGM215EB41 24MP58VQ D BOE 0x2F HM238EUNSLML9 24MP58VQ H BM 0x2B PBLGD238ES 24MP60VQ K Same with 24MP5...

Page 15: ...z models need Internal Pattern ON A7 00 03 OSD Flicker pattern on Vcom Adjustment A9 00 Value Range 0x00 0x7F Save Vcom vlaue A8 00 00 Save Vcom value in EEROM for SVC OSD Internal Pattern Off A7 00 00 OSD Flicker pattern off 33 APD address value A6 0xFE OFF 0x00 ON 0x11 SAVE COLOR SAVE R G B GAIN OFFSET SYSTEM SAVE CONTRAST BRIGHT 4 5 EEPROM Data Write 4 5 1 Siganl TABLE LEN 84h Bytes CMD E8h ADH...

Page 16: ...rtH SrcVStartL HsyncPhase Temporary Data write Write to particular address of EEPROM 4 6 E 2 PROM Data Read 4 6 1 Signal TABLE 128 Bytes 4 6 2 COMMAND SET No Adjustment contents CMD hex ADH hex ADL hex Explanation 1 EEPROM READ E7 A0 0 0 Page 0 7F Read 2 80 0 Page 80 FF Read 3 A2 0 1 Page 0 7F Read 4 80 1 Page 80 FF Read 5 A4 0 2 Page 0 7F Read 6 80 2 Page 80 FF Read 7 A6 0 3 Page 0 7F Read 8 80 3...

Page 17: ... A0 A1 128 Byte transfer of EDID Buffer of MICOM 5 Standard of Auto Manual equipment adjustment No Item Adjustment measurement standard Operation mode Operation Pattern Measurement Position 1 Voltage V 5V 0 3V 3 3V 0 25V 1 2V 0 07 MODE 12 MSPG 126 Pattern4 TP of Each power 2 Color coordinates 9300 6500K Black Level Auto Adjustment MODE 12 MSPG 126 Pattern 0 Center of Screen 3 Color coordinates 650...

Page 18: ... White blinking Off Mode 0 3W off 7 SOG signal Confirmation Input SOG signal MODE 12 MSPG 126 Pattern 9 Full screen 8 Gray scale Confirmation Linear gray Scale MODE 12 MSPG 126 Pattern 9 Full screen 9 Withstanding Voltage confirmation When 1500Vac or 2121Vdc is impressed between the first of power Live Neutral and ground Earth for 1 second check whether something wrong happens or not 10 Ground Con...

Page 19: ...ff Rectangle Pattern Pattern 6 Vertical Sync only input Use signal cable of which Pin 5 is GND Pattern 7 Horizontal Sync only input Use signal cable of which Pin 5 is GND Pattern 8 State of without Vertical Horizontal Sync and Video Signal Use signal cable of which Pin 5 is GND Pattern 9 8 Color Bar Pattern 16 Gray Level Pattern Pattern 10 SMPTE Pattern Pattern 11 16 Gray Step Pattern 700mV LGE In...

Page 20: ... 20 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 21: ...entified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 920 540 330 930 or 500 700 210 ...

Page 22: ...y Copyright LG Electronics Inc All rights reserved Only for training and service purposes DISASSEMBLY Fig 1 Put the MNT on the clean vinyl Fig 2 Disassemble the Stand Fig 3 Remove the Hinge cover Fig 4 Remove to Hinge Top 2ea ...

Page 23: ...ght LG Electronics Inc All rights reserved Only for training and service purposes Fig 5 Separate to Back cover by hand at bottom Fig 6 Disassemble the backcover Fig 7 Separate to B C Fig 8 Separate to the LED Wafer LVDS Jog cover assy ...

Page 24: ...lectronics Inc All rights reserved Only for training and service purposes FIG 9 Disassemble the PCB fixed screw 2ea Fig 10 Disassemble the Metal bottom bar by screw 4ea Fig 11 Separate to cabinet by Plastic Jig Fig 12 Separate to the Cell BLU ...

Page 25: ... LGE Internal Use Only 1 NO POWER Replace X100 N Check JP800 Voltage Level 12V Check Power connector OK Replace Power Board Y N Y Check IC801 Output Voltage Level 1 1V 3 3V Replace IC801 Recheck Y N Check X100 Clock 14 318MHz Check IC700 Output Voltage Level 5VS Replace IC700 Recheck N Y Replace IC101 Flash Memory Y ...

Page 26: ... ON Replace Cable N Module Back Light On Check IC100 Replace Main Scaler IC Y N N Check Panel Power 5V JP125 Check IC700 Output 5V Replace IC700 Recheck Y N Check Panel Clock P101 10 11 22 23 Check IC100 Repair Main B D Y N Check FFC Cable for Damage or Open Conductors Check LED Driver FB P700 1 6 Replace T Con Board or Module Y ...

Page 27: ...s LGE Internal Use Only 3 No Video Replace Main Scaler IC100 Check input signal format Is it supported Check JK200 201 202 P20 0 for proper connection or Damage Replace Connector Y N Check I2C Signal JK200 201 2 02 P200 Re Download EDID Data Y N Y Check Dsub Cable for Damage or Open Connector Y ...

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