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THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.

PANEL_ON

C418
0.1uF
16V

+10V_PANEL

C415
0.1uF
50V

R413
2K

OPT

R401

47K

IC402

MP2315GJ

3

SW

2

IN

4

GND

1

AAM

5

BST

6

EN/SYNC

7

VCC

8

FB

R400

47K

C412
0.1uF
50V

IC400

MP2315GJ

3

SW

2

IN

4

GND

1

AAM

5

BST

6

EN/SYNC

7

VCC

8

FB

C416
0.1uF
16V

C419

0.1uF

16V

+3.3V_NORMAL

+5V_STANDBY

C407

0.1uF

50V

C406

0.1uF

50V

C420
0.1uF

50V

+19V

R405

100

C425
10uF

10V

C422
10uF

10V

C414
0.1uF

16V

OPT

C404

4.7uF

25V

OPT

C401

4.7uF

25V

OPT

C403

4.7uF

25V

JP403

JP402

JP404

JP405

JP401

JP400

C409
0.1uF

50V

C410
68uF
35V

+19V

C428
4.7uF

25V

OPT

C424
4.7uF
25V

C427

4.7uF
25V

R406

100

R408

100

ZD400

5V

R415
51K

R417

18K
1%

R418
5.6K

1%

JK400

KJA-DC-1-0032

1

1

2

2

4

4

R421

120K
1%

+3.3V_NORMAL

R424

10K

Q403

2N3904S

E

B

C

Q401

2N3904S

E

B

C

R404

10K

R403

1K

PD_CTLZ_1.8V

AR401

10K

PD_CTL

R423

1K

PD_CTL_DDR

AR400

10K

Q402

2N7002KA

G

D

S

PD_CTLZ_1.15V

+3.3V_NORMAL

Q400

2N7002KA

G

D

S

R409

10K

OPT

R422

10K
1%

R414
51K

+5V_STANDBY

C439

4.7uF

25V

OPT

IC401

MP2315GJ

3

SW

2

IN

4

GND

1

AAM

5

BST

6

EN/SYNC

7

VCC

8

FB

C441

0.1uF

50V

C442
0.1uF
50V

R435

47K

R440
51K

5V_ST_ON

+19V

C443
0.1uF
16V

R436

100

+5V_STANDBY

R439

100

C440

4.7uF

25V

+19V

L401

C400
4.7uF
25V

L400

OPT

R402
100K

R437
100K

OPT

R438

15K

OPT

C447
10uF
10V

C448

10uF
10V

C446
0.1uF
16V

ZD405

5.6V

OPT

R441

75K

1%

R442

14K

1%

C411
0.1uF
50V

OPT

C445
0.1uF
50V

R410

15K

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%

IC405

MP2315GJ

3

SW

2

IN

4

GND

1

AAM

5

BST

6

EN/SYNC

7

VCC

8

FB

+5V_STANDBY

PD_CTLZ_1.8V

C450

0.1uF

16V

C454
10uF

10V

R419

100

C417
0.1uF
50V

IC404

MP2315GJ

3

SW

2

IN

4

GND

1

AAM

5

BST

6

EN/SYNC

7

VCC

8

FB

C423
0.1uF
50V

+1.8V_DDR

C452
10uF

10V

R443

10K

OPT

C426

0.1uF

16V

R449

15K

1%

C413

0.1uF

50V

C449
0.1uF
16V

ZD404

2.5V

C408

0.1uF

50V

R452

10K

1%

C405

10uF

10V

C453
10uF

10V

R412

100

R420

100

R445

51K

R446

51K

+1.15V_VDD

L404
10uH

L405
10uH

L403
10uH

L407

4.7uH

L408

4.7uH

R447

10K

1%

R448

10K

1%

R450

1.5K

1%

MAIN POWER

3A

3A

Setting: 10.40V(=0.8(1+120K/10K)

Setting: 3.37V=0.8(1+18K/5.6K)

For Jig Test

DC-JacK (Straight Type)

27MU68

2015.06.23

4

4

Power sequence Circuit for 1.8V / 1.15V

SCALAR DC-DC BLOCK

3A

Setting: 5.06V(=0.8(1+75K/14K)

3A

3A

20150709

20150709

Содержание FLATRON 27UD68WG

Страница 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 LM55H MODEL 27UD68 Internal Use Only ...

Страница 2: ...right reserved Only for training and service purposes LGE Internal Use Only CONTENTS CONTENTS 2 PRECAUTION 3 SERVICING PRECAUTIONS 4 SPECIFICATIONS 6 TIMING CHART 11 ADJUSTMENT 14 BLOCK DIAGRAM 18 TROUBLE SHOOTING 19 EXPLODED VIEW 22 SVC SHEET ...

Страница 3: ...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 ...

Страница 4: ...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...

Страница 5: ...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...

Страница 6: ...hanged according to region If wall mount adapter is applied Power cord doesn t apply to the BOM 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 2 Pair 4C Pin N o 5 6 8 9 Impedance 90Ω 7Ω 1 Pair 2C Pin N o 2 3 Impedance 90Ω 13 5Ω Audio Length Shape Color Pin Do not provide HDMI Length 1 5m Shape Detachable Type Colo...

Страница 7: ...e including EK Desk top 3Pin 1 Wall mount P N EAY62850011 Input AC100 240V 50 60Hz 1 1A Max Output DC 19V 2 1A 40W Adapter 2 Desk top P N EAY62850503 Input AC100 240V 50 60Hz 1 1A Max Output DC 19V 2 1A 40W Adapter P N EAY63190001 Input AC100 240V 50 60Hz 1 2A Max Output DC 19V 2 1A 40W Adapter 10 Mechanical ass y Cable holder 5g SET accessory PNo MEG64718801 Screw 5g 2ea SET accessory PNo FAB3000...

Страница 8: ...Base 250g SET accessory PNo AAN75648902 11 Manual ass y 0 086kg SET accessory Refer to BOM 12 Handling guide 0 006kg SET accessory Refer to BOM 13 Factory calibration report 0 006kg SET accessory Refer to BOM 14 Applying module list P No Specification Support FreeSync function New Blade 27 Module EAJ63750201 LM270WR3 SSA1 ...

Страница 9: ...roduct Weight Only SET 8 0kg 5 9kg With Stand Without Stand With BOX 10 8kg Only Stand Accessory 0 5 5 0 4 5 3 Container Loading Quantity Individual or Palletizing 20ft 40ft EA Indi Pallet Indi Pallet 200 200 600 440 4 Stand Assy Type Base detachable Size W x D x H 504 3 252 4 418 8 mm Tilt Degree 5 1 5 20 1 5 degree Tilt force 1 0 3 0 kgf Folding Degree N A Height length 120 2 mm 5 Appearance Gen...

Страница 10: ...IN 1000 TYP DFC Æ 1 000 000 1 min 5 000 000 1 Typ DFC test condition Full black pattern MSPG 126 timing 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...

Страница 11: ...l 56 61 Hz Native 60Hz FreeSync Range 40 60Hz USB 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 PBP mode can t support FreeSync 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 Rec...

Страница 12: ... 100 ohm 10 DP 100 ohm 10 7 Inrush Current Cold Start 50 A Hot 120 A 8 Operating Condition Sync H V Video LED Wattage On Mode On On Active White 41W Adapter input UHD 60Hz Full white Outgoing Condition 29W Manual spec sheet spec EPA6 0 condition 250nit 110 mar gin White Max 19V 1 9A Refer to measurement condition 1 page 21 Adapter output 48W Adapter input Sleep Mode Off On On Off Off Off Off White...

Страница 13: ...or Reliability 3 000m for FOS 11 Environ ment Conditi on operating Temperature 0 C 40 C Humidity Less than 80 Storage Temperature 20 C 60 C Humidity Less than 85 OSD Menu Quick Settings Brightness 1 100 Contrast 1 100 Volume 1 100 Mute Input HDMI1 HDMI2 DP Ratio Wide Original 1 1 PBP SUB Off HDMI1 HDMI2 DP Sound out Main Audio Sub Audio Swap Sub Full Ratio Main Wide Original Sub Wide Original Pict...

Страница 14: ...urred with some HDMI device DFC On Off Game Adjust FreeSync On Off Black Stabilizer 0 100 Response Time High Middle Low Off Color Adjust Gamma Gamma 0 Gamma 1 Gamma 2 Color Temp Manual 5000 10000 Custom Red 0 100 Green 0 100 Blue 0 100 Six Color Red Hue Saturation 0 100 Green Hue Saturation 0 100 Blue Hue Saturation 0 100 Cyan Hue Saturation 0 100 Magenta Hue Saturation 0 100 Yellow Hue Saturation...

Страница 15: ...ish Finnish Portuguese Language Portuguese brazil Polish Russian Greek Ukrainian Chinese Japanese Korean General Smart Energy Saving Off Low High FreeSync On Off Power LED On Off Automatic Standby Off 4H 6H 8H DP 1 2 Enable Disable OSD Lock On Off Reset Reset Cancel 5 2 Open Source License If Need Open Source Use Manual License in Web Source in Web 27UD68 O O O ...

Страница 16: ...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...

Страница 17: ... 085B 2 Product ID DP 23305 095B 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 ...

Страница 18: ... 18 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 1 2 HDMI2 EDID HDMI1 4 1 Physical Address HDMI2 20 2 1 1 3 HDMI1 EDID HDMI2 0 ...

Страница 19: ... 19 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 1 4 HDMI2 EDID HDMI2 0 2 1 2 DP EDID DP1 2 ...

Страница 20: ... 20 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 3 DP EDID Of FREE SYNC ON ...

Страница 21: ...SM 1E 6D 2 Product ID HDMI1 2 23304 DP 23305 085B 095B 3 Year 2015 19 4 Version 1 5 Revision HDMI 3 DP 4 HDMI 3 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 2 2 1 1HDMI PBP EDID 2 2 1 2 HDMI2 PBP EDID ...

Страница 22: ...2 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only HDMI Physical address HDMI1 10 Æ CHECKSUM 3F HDMI2 20 Æ CHECKSUM 2F 2 2 1 3 DP PBP EDID ...

Страница 23: ...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 44 148 1920 x 1080 V Lines 60 1125 1080 4 5 36...

Страница 24: ...s 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 44 148 1920 x 1080 V Lines 60 1125 ...

Страница 25: ...on Standard 2 5 Reserve after operation Above 5 Minutes Heat Run Temperature at 25 5 C Relative humidity 65 10 Input voltage 100 240V 50 60Hz 2 6 Adjustment equipments Color Analyzer CA 210 or CA 110 UA 10 DDC Adjustment Jig equipment 3 Main PCB check process APC After Manual Insult executing APC 3 1 ADC Process 27UD68 doesn t need ADC process because it has only digital input like DisplayPort and...

Страница 26: ...n check the White balance according 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 Gamma dE Color Temperature 6500k Reference Model 27MU67 Input HDMI1 2 Gray Pattern with Gamma correction using command using Adjustment C...

Страница 27: ... 50 60Hz 1 Set Input to DisplayPort MiniDP 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 Mech Switch off Off 0 3W DC Switch Off 5 Shipping condition No Item Content Outgoing Condition 비고 2 Outgoing Condition SOURCE HDMI1 Power S W OF...

Страница 28: ...vel Depends on video signal Low RGB limit YUV High RGB Full Black level enable at HDMI input UHD Deep Color Off DFC Off Response Time Middle Gamma 2 2 Color Temp Custom Manual 6500K Red 50 Green 50 Blue 50 Six Color Hue 50 Saturation 50 Language Depend on the sale region Super Energy Saving Low DAS Mode On Power LED Off Automatic Standby Europe 4H Others OFF DisplayPort 1 2 Enable OSD Lock Off Ope...

Страница 29: ...ent 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 Data Write data at EEPROM 4 R GAIN 16 00 00 64 Tune Gain 5 G GAIN 18 00 00 64 6 B GAIN 1A 00 00 64 7 BRIGHT Backlight 10 00 00 64 Tune Analog Bright 8 FACTORY RESET F0 00 00 Factory reset 9 AUTO_COLOR_ADJUST F1 00 0 AUTO COLOR Tu...

Страница 30: ...MD E8h ADH E2 PROM Slave Address A0 A2 A4 A6 A8 AA AC AE Not 00h Reserved by Buffer To EEPROM ADL E2 PROM Sub Address 00 FF Data Write data Delay 20ms 6 5 2 Command Set No Adjustment contents CMD hex LEN Explanation 1 EEPROM WRITE E8 94 16 Byte Write 2 84 n n byte Write Use FOS Default write 14mode data write SyncFlags HPeriodH HPeriodL VtotalH VtotalL SrcHTotalH SrcHTotalL SrcHStartH SrcHStartL S...

Страница 31: ... 80 FF Read 7 A6 0 3 Page 0 7F Read 8 80 3 Page 80 FF Read 9 A8 0 4 Page 0 7F Read 10 80 4 Page 80 FF Read 11 AA 0 5 Page 0 7F Read 12 80 5 Page 80 FF Read 13 AC 0 6 Page 0 7F Read 14 80 6 Page 80 FF Read 15 AE 0 7 Page 0 7F Read 16 80 7 Page 80 FF Read 6 6 3 Use Read E2 PROM s specific area as unit of 128 80h byte 84h 6 6 4 EDID Write EEPROM access by using DDC2B protocol 1 Byte write L 0x00 0x7F...

Страница 32: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 6 5 EDID Read DDC2B Command A0 A1 128 Byte transfer of EDID Buffer of MICOM STOP A 00 A0 START A A CS A Data1 A1 START Data128 ...

Страница 33: ...BLOCK DIAGRAM Main 33 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 34: ...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 ...

Страница 35: ...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 ...

Страница 36: ...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 ...

Страница 37: ...d characteristics These parts are identified 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 910 900 400 300 200 700 520 510 540 940 930...

Страница 38: ... 24K 1 R132 2K 1 OPT R155 100K C340 4700pF 50V OPT R138 100K R152 1 5K C124 0 47uF 16V R130 4 7K 1 WLED_ADIM R147 39K A_DIM JP106 R136 100 C331 4 7uF 25V IC102 DT1643S 3 EN 2 VREF1 4 PDIM 1 VIN 6 LS1 5 RISET 7 LS2 8 LGND 9 LS3 10 LS4 11 OVP 12 RT 13 COMP 14 CS 15 NDRV 16 VREF2 17 EP GND JP104 JP107 JP108 C125 1uF 50V C333 4 7uF 25V C343 33uF 100V WLED_ENABLE C344 33uF 100V R120 10K OPT R133 1K JP1...

Страница 39: ...X1_0N 242 RX1_0P 243 RX1_1N 244 RX1_1P 245 RX1_2N 246 RX1_2P 247 GND_23 248 AVDD_RX 249 RX0_CN 250 RX0_CP 251 RX0_0N 252 RX0_0P 253 RX0_1N 254 RX0_1P 255 RX0_2N 256 RX0_2P 257 EP 1 15V_VDD C259 15pF 50V SDI C260 15pF 50V SDO R251 4 7K HDMI_SELECTION AVDD_AUDIO AVDD_RX SCK HDMI_5V SCK IC202 MX25L8006EM2I 12G 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC R221 4 7K EDP0 C266 0 1uF 16V HDMI1...

Страница 40: ...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 ...

Страница 41: ...R409 10K OPT R422 10K 1 R414 51K 5V_STANDBY C439 4 7uF 25V OPT IC401 MP2315GJ 3 SW 2 IN 4 GND 1 AAM 5 BST 6 EN SYNC 7 VCC 8 FB C441 0 1uF 50V C442 0 1uF 50V R435 47K R440 51K 5V_ST_ON 19V C443 0 1uF 16V R436 100 5V_STANDBY R439 100 C440 4 7uF 25V 19V L401 C400 4 7uF 25V L400 OPT R402 100K R437 100K OPT R438 15K OPT C447 10uF 10V C448 10uF 10V C446 0 1uF 16V ZD405 5 6V OPT R441 75K 1 R442 14K 1 C41...

Страница 42: ......

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