LG 27UD59 Service Manual Download Page 5

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LGE Internal Use Only

Only for training and service purposes

SPECIFICATIONS

1. General Specification

No Item

Content

Remark

Customer

BRAND

User Model Name

27UD59

Sale region

Worldwide

Feature

27”/ LCD MONITOR(UHD)

Chassis Name

LM6HA

General
Scope

External SW
& Adj.

5-way joystick switch

Function

Picture Mode, Ratio, S.E.S, Six Color, On
Screen Control, Dual Controller
Gamma calibration

Power Cord

Length : 1.55±0.05 M / Shape : Wall-out
/ Color : Black
Weight : 0.16kg

Power cord can be changed

according to region.

Cable

Thunderbolt

Length : ,Shape : ,Color:
,Pin

Do not provide

USB 3.0

Length :1.5m ,Shape :A-B ,Color :
Black ,Pin
Weight : 0.1kg

Do not provide

Pin N/o: (5,6)(8,9)
Impedance: [90Ω±7Ω]

2 Pair
(4C)

1 Pair

(2C)

Pin N/o: (2,3)
Impedance: [90Ω±13.5Ω]

HDMI

Length : 1.5m / Shape : Detachable Type
/ Color : Black
Weight : 0.091kg

SET accessory

P/N : EAD00926125

CABLE : 100Ω±10Ω
CONNECTOR : 100Ω±15Ω

DisplayPort

Length : 1.5m / Shape : Detachable Type
/ Color : Black
Weight : 0.095kg

SET accessory

P/N : EAD63749401

CABLE : 100Ω±5Ω
CONNECTOR : 100Ω±10Ω

DP to Mini DP

Length : 1.8m / Shape : Detachable Type
/ Color : black
Weight : 0.105kg

SET accessory /

P/N : EAD63127601(Ver1.2)

Summary of Contents for 27UD59

Page 1: ...OR SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO LM6HA MODEL 27UD59 Internal Use Only ...

Page 2: ...he module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe ...

Page 3: ...any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prev...

Page 4: ...the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 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 CAUTION Maintain original spacing between the replac...

Page 5: ...ape Wall out Color Black Weight 0 16kg Power cord can be changed according to region 8 Cable Thunderbolt Length Shape Color Pin Do not provide USB 3 0 Length 1 5m Shape A B Color Black Pin Weight 0 1kg Do not provide Pin N o 5 6 8 9 Impedance 90Ω 7Ω 2 Pair 4C 1 Pair 2C Pin N o 2 3 Impedance 90Ω 13 5Ω HDMI Length 1 5m Shape Detachable Type Color Black Weight 0 091kg SET accessory P N EAD00926125 CA...

Page 6: ...ble holder 0 003kg SET accessory P N AGF77182226 Screw Cover Ass y 0 022kg SET accessory P N AGF78443801 Stand Body 0 200kg SET accessory P N AAN75789101 Stand Base 0 316kg SET accessory P N AAN75789001 11 Manual ass y 0 065kg SET accessory Refer to BOM 12 Handling guide ESG 0 002kg SET accessory Refer to BOM 13 Factory calibration report 0 002kg SET accessory Refer to BOM 14 Applying module list ...

Page 7: ... mm Without Stand After Packing mm 2 Product Weight Only SET With Stand Without Stand With BOX Only Stand Accessory 0 5 5 0 4 5 3 Container Loading Quantity Individual or Palletizing 20ft 40ft EA Indi Pallet Indi Pallet 640 1280 450 1035 4 Stand Assy Type Base detachable Size W x D x H 396 4 202 2 151 mm Tilt Degree 2 1 3 15 3 3 degree Folding Degree N A N A Height length mm Tilt force 0 8 2 0 kgf...

Page 8: ...DFC ON Picture Picture Adjust 4 Response Time TGTG Gray to Gray 14ms Typ 25ms Max 5 CIE Color Coordinates 색 좌표 Minimum Normal Maximum White WX Typ 0 03 0 313 Typ 0 03 Warm 6500K WY 0 329 White WX Typ 0 03 0 295 Typ 0 03 Medium 8000K WY 0 305 White WX Typ 0 03 0 283 Typ 0 03 Cool 9300K WY 0 298 6 Color Coordinate White signal reader mode WX Typ 0 02 0 365 Typ 0 02 Full white pattern Warm 6500K WY 0...

Page 9: ...SB C Horizontal 30 135kHz Vertical 56 61 Hz Native 60Hz PBP HDMI Horizontal 30 135kHz Vertical 56 61 Hz Native 60Hz DP Horizontal 30 135kHz Vertical 56 61 Hz Native 60Hz USB C Horizontal 30 135kHz Vertical 56 61 Hz Native 60Hz 3 Resolution Single HDMI Max 3840 2160 60Hz Recommend 3840 2160 60Hz DP Max 3840 2160 60Hz Recommend 3840 2160 60Hz USB C Max 3840 2160 60Hz Recommend 3840 2160 60Hz PBP HDM...

Page 10: ...Off 0 3W DC Switch Off EPA On On Test video 27UD59 24UD59 White 33 2W EPA7 0 test standard EPA7 0 test standard ERP On On Test video 27UD59 White 30 2W ERP A class Condition Outgoing condition 24UD59 TBD ERP A class Condition Outgoing condition Power rating 27UD59 1 5A This value have to be checked in DV event with regulation team 24UD59 SMART ENERGY SAVING On Off Efficiency low 15 5 high 25 5 Tes...

Page 11: ...stom Game Picture Adjust Super Resolution High Middle Low Off Sharpness 0 100 Black Level High Low HDMI ULTRA HD Deep Color On Off When UHD Deep Color on screen noise flicker could be occurred with some HDMI device DFC On Off Game Adjust Response Time High Middle Low Off FreeSync Extended Basic Off Black Stabilizer 0 100 Color Adjust Gamma Gamma 0 Gamma 1 Gamma 2 off Color Temp Custom Warm Medium ...

Page 12: ... Hue Saturation 0 100 Magenta Hue Saturation 0 100 Yellow Hue Saturation 0 100 Reset Reset Cancel General Language English German French Spanish Italian Swedish Finnish Portuguese Portuguese brazil Polish Russian Greek Ukrainian Chinese Traditional Chinese Japanese Korean SMART ENERGY SAVING High Low Off Power LED On Off Automatic Standby Off 4H 6H 8H DP 1 2 Enable Disable OSD Lock On Off Reset Re...

Page 13: ... 2017 LG Electronics Inc All right reserved 14 LGE Internal Use Only Only for training and service purposes 5 2 Open Source License Open Source Use If Need Manual License in Web Source in Web 27UD59 24UD59 O O O ...

Page 14: ...r Should be within Cabinet s Bezel 2 Distance Difference between Active Area and Bezel A A B A B 1 0 mm C D 1 0 mm A The Distance from The Left of Active Area to the Bezel Bezel B The Distance from The Right of Active Area to the Bezel C The Distance from The Top of Active Area to the Bezel D The Distance from The Bottom of Active Area to the Bezel D 5 Applying module Character 1 LCD Module Featur...

Page 15: ...5B 09 3 Year 2015 19 4 Version 1 HDMI 3 HDMI 3 5 Revision DP 4 DP 4 6 Serial Number Refer to variable data file Refer to variable data file 7 Week Refer to variable data file Refer to variable data file 8 Model Name LG Ultra HD 9 Check Sum Refer to variable data file Refer to variable data file 10 Special Item 6 1 1 1 HDMI1 EDID HDMI1 4 1 Physical Address HDMI1 10 6 1 1 2 HDMI1 EDID HDMI1 4 1 Phys...

Page 18: ...Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 3 1 DP EDID of FREE SYNC ON Æ Extended mode 2 1 3 1 DP EDID of FREE SYNC ON Æ Basic mode ...

Page 19: ... 65 48 363 1344 1024 24 136 160 1024 x 768 V Lines 60 806 768 3 6 29 4 H Pixels 79 99 54 347 1472 1152 32 96 192 1152 x 864 V Lines 60 05 905 864 1 3 37 5 H Pixels 74 250 45 00 1650 1280 110 40 220 1280 x 720 V Lines 60 00 750 720 5 5 20 6 H Pixels 108 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 7 H Pixels 108 00 60 00 1800 1600 24 80 96 1600 x 900 V Lines 60 00 1000 900...

Page 20: ...es 60 806 768 3 6 29 4 H Pixels 79 99 54 347 1472 1152 32 96 192 1152 x 864 V Lines 60 05 905 864 1 3 37 5 H Pixels 74 250 45 00 1650 1280 110 40 220 1280 x 720 V Lines 60 00 750 720 5 5 20 6 H Pixels 108 63 981 1688 1280 48 112 248 1280 x 1024 V Lines 60 02 1066 1024 1 3 38 7 H Pixels 108 00 60 00 1800 1600 24 80 96 1600 x 900 V Lines 60 00 1000 900 1 3 96 8 H Pixels 148 5 67 5 2200 1920 88 44 14...

Page 21: ... 1 4 KEY a HDCP 1 4 KEY is included in Scaler So do not need write HDCP 1 4 key 1 Application 1 1 This document is applied to LM6HA chassis 27 23 7 LCD Monitor which is manufactured in Monitor Factory or is produced on the basis of this data 1 2 Manufacturing Type Set 2 Designation 2 1 The adjustment is according to the order which is designated and which must be followed according to the plan whi...

Page 22: ...ding to below specification HDMI 1920x1080 Full White Tolerance 0 015 Luminance Spec min 250 Check condition custom mode out going condition Aging Time min x y 0 10 0 316 0 335 10 30 0 313 0 332 30 0 313 0 329 a Factory Calibration 2 2 Gamma dE Color Temperature 6500k Reference Model 27MU67 27UD68 27UD88 Input HDMI1 2 Gray Pattern with Gamma correction using command using Adjustment Command this m...

Page 23: ...stment Please make circumstance as below 4 3 DPM Operation check Measurement Condition 100 240V 50 60Hz 1 Set Input to DisplayPort HDMI1 HDMI2 2 Turn off the source device 3 Check DPM operation refer to the below table Operating Condition Sync H V or Video EUT MSPG6100 LED SET Wattage W Sleep mode Off Off Off White blinking 0 5W Off mode Off 0 3W DC Switch Off ...

Page 24: ...included in general specification 2 Outgoin g Conditio n Quick Settings Brightness 100 Contrast 70 Volume 30 Input HDMI1 Ratio Wide Picture Picture Mode Custom Picture Adjust Super Resolution Off Sharpness 50 Black Level RGB High YUV Low HDMI ULTRA HD Deep Color Off DFC Off Game Adjust Response Time Middle FreeSync Off Black Stabilizer 50 Color Adjust Gamma Gamma 1 Color Temp Custom Red 50 Green 5...

Page 25: ...MD A 00 A VAL A CS A STOP a LEN DATA BYTE number to send b CMD Command language that monitor executes c VAL FOS DATA d CS Dada s CHECHSUM that transmit e DELAY 50MS f A Acknowledge 6 4 Screen adjust command LENGTH 84 No Adjustment contents CMD hex ADR VAL hex Explanation 1 EEPROM ALL INITIAL E4 00 00 adjustment Initialization 2 EEPROM READ E7 Slave add At EEPROM Read 3 EEPROM WRITE E8 Slave add Da...

Page 26: ... 0x0F 00 English 01 German 02 French 03 Spanish 04 Italian 05 Swedish 06 Finnish 07 Portuguese 08 Brazil 09 Polish 0A Russian 0B Greek 0C Ukrainian 0D Chinese 0E Japanese 0F Korean 11 Traditional Chinese EDID SN UPDATE 0x77 0 0x01 0x02 0x01 HDMI1 0x02 HDMI2 6 5 EEPROM Data Write 6 5 1 Siganl TABLE STOP A A A A A 50 6E 03 CMD ADH 84 n START ADL A CS A A Data_1 A Data_n A Delay 20m LEN 84h Bytes CMD...

Page 27: ...s of EEPROM 6 6 E2 PROM Data Read 6 6 1 Signal TABLE STOP A A A A A 50 6E 03 CMD ADH 84 START A A ADL A CS Delay 150ms 128 Bytes 6 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 80...

Page 28: ...ecific area as unit of 128 80h byte 84h 6 6 4 EDID Write EEPROM access by using DDC2B protocol 1 Byte write STOP A L A0 D START A A L 0x00 0x7F D data 8 byte write START A0 A L A Data1 A A A Data8 STOP L 0x00 0x10 0x70 6 6 5 EDID Read DDC2B Command A0 A1 START A0 A 00 START A1 A Data1 Data128 A CS A STOP 128 Byte transfer of EDID Buffer of MICOM ...

Page 30: ...training and service purposes LGE Internal Use Only 1 NO POWER No power issue Check JK400 PIN 4 Is IC401 PIN2 19V PIN 3 5V CHECK ADAPTER CHECK IC401 Is IC 400 PIN2 3 3V CHECK IC400 Is IC200 PIN95 PIN96 PULSE CHECK CRYSTAL X200 YES YES YES NO NO NO NO CHECK IC200 IC401 2 IC401 3 IC400 X200 ...

Page 31: ...ses LGE Internal Use Only 2 NO RASTER OSD IS NOT DISPLAYED MAIN No Raster OSD is not displayed Check P201 PIN1 10V IC200 PIN95 96 12MHz CHECK IC402 PIN3 10V 1 CHECK 200 2 Trouble in IC200 Is IC200 PIN3 PIN4 I2C YES YES NO NO NO Trouble in cable or LCD module CHECK CONNECTION From HDMI TO IC200 ...

Page 32: ...reserved Only for training and service purposes LGE Internal Use Only 3 Trouble in DPM CHECK Signal cable connection Trouble in DPM Check Signal cable DET pin CHECK PC PC is going to the DPM mode YES YES NO NO Trouble in IC200 Check the Signal input ...

Page 33: ...he Screw 1EA 1 Disassemble from top left right top corner 1 The open status top side of both one hand was supported module and open the Back cover 1 Disassemble the Rear shield assy and hinge assy and all cable 1 Remove the cabinet from module General drivers Tool Description Gloves ...

Page 34: ...d 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 910 400 740 730 720 900 300 200 Caution When module change the PC sheet MEV65896704 mu...

Page 35: ... OPT D101 BAT54C_TSC A2 C A1 AR106 4 7K AR107 4 7K D102 BAT54C_TSC A2 C A1 R164 0 OPT HDMI2_5V 5V_STANDBY JP112 JP113 JP114 JP109 JP110 JP111 L131 120 ohm BLM15PX121SN1 R165 1K R151 20K R140 20K R137 10K JK100 YKF45 7058V 14 NC 13 CEC 5 DATA1_SHIELD 20 SHIELD 12 CLK 11 CLK_SHIELD 2 DATA2_SHIELD 19 HPD 18 5V_POWER 10 CLK 4 DATA1 1 DATA2 17 DDC CEC_GND 9 DATA0 8 DATA0_SHIELD 3 DATA2 16 SDA 7 DATA0 6...

Page 36: ... 6 GND_1 7 VDD_1 8 HPD1 GPIO_X12 9 HRX0_CN 10 HRX0_CP 11 AVDD_HRX0 12 HRX0_0N 13 HRX0_0P 14 GND_2 15 HRX0_1N 16 HRX0_1P 17 AVDDL_HRX0_1 18 AVDDL_HRX0_2 19 HRX0_2N 20 HRX0_2P 21 GND_3 22 AVDD_DP 23 DPRX_0P 24 DPRX_0N 25 GND_4 26 DPRX_1P 27 DPRX_1N 28 AVDDL_DP 29 DPRX_2P 30 DPRX_2N 31 GND_5 32 DPRX_3P 33 DPRX_3N 34 AUXN 35 AUXP 36 NC_1 37 NC_2 38 NC_3 39 VDD_2 40 GND_6 41 GND_7 42 GND_8 43 AVDD_ADC ...

Page 37: ... C193 0 1uF 16V C185 0 1uF 16V OPT AVDDL_HRX0 C231 0 1uF 16V C214 10uF 10V OPT C234 0 1uF 16V VDDP C208 0 1uF 16V L107 BLM18PG121SN1D C242 0 1uF 16V L111 BLM18PG121SN1D 3 3V_NORMAL C220 10uF 10V VDDIO_A C115 10uF 10V C139 0 1uF 16V L117 BLM18PG121SN1D C251 0 1uF 16V OPT AVDD_PLL L121 BLM18PG121SN1D L113 BLM18PG121SN1D AVDDL_MOD C120 10uF 10V C222 10uF 10V C224 10uF 10V OPT C175 10uF 10V C249 0 1uF...

Page 38: ...C447 10uF 10V C448 10uF 10V C446 0 1uF 16V R441 75K 1 R442 14K 1 C445 0 1uF 50V OPT R444 2K OPT R411 47K C421 0 1uF 50V OPT C402 10uF 10V R407 47K R416 100 C455 10uF 10V C451 0 1uF 16V C444 0 1uF 16V PD_CTLZ_1 15V ZD401 2 5V R451 3 3K 1 5V_STANDBY PD_CTLZ_1 8V C450 0 1uF 16V C454 10uF 10V R419 100 C417 0 1uF 50V C423 0 1uF 50V 1 8V_DDR C452 10uF 10V R443 10K OPT C426 0 1uF 16V R449 15K 1 C413 0 1u...

Page 39: ... PGND1B 30 OUT1B 31 PVDD1B 32 PVDD1A 33 OUT1A 34 PGND1A 35 BST1A 36 RESET 37 AD 38 CLK_I 39 GND_IO 40 VDD_IO 41 EP GND C512 2 2uF 25V AMP AUD_LRCK C501 68pF 50V AMP AUD_LRCH C522 0 47uF 50V AMP 0 1uF C526 50V AMP R509 4 7K AMP 12V_AMP C519 1uF 10V AMP C503 1uF 10V AMP 0 1uF C524 50V AMP L504 10 0uH AMP C506 1000pF 50V AMP 12V_AMP R502 100 AMP 0 1uF C500 16V AMP C511 2 2uF 25V AMP C518 390pF 50V AM...

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