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THERMAL

THERMAL

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.

C100

0.1uF

16V

R103

0

R102

0

HDMI2_5V

R104
0

OPT

HDMI2_SDA

HDMI2_DET

HDMI2_HPD

HDMI2_SCL

C102

0.1uF

16V

R111

1K

OPT

R107

0

HD

+3.3V_NORMAL

HDMI2_RX2-

HD

HDMI2_RX1-

HD

HDMI2_RX0-

HD

HDMI2_RXC-

R101

0

OPT

R108

10K

+3.3V_NORMAL

R105

100K

R106

10

+3.3V_NORMAL

R115

10K

C101
0.1uF
16V

+3.3V_NORMAL

R110

0

R109

1K

OPT

R114

10K

HDMI1_RX2-

HDMI1_SDA

HDMI1_DET

HDMI1_HPD

HD

HDMI1_5V

HD

HD

HDMI1_RX0-

R100

0

OPT

HDMI1_SCL

HD

HDMI1_RX1-

HDMI1_RXC-

R113

1M

R131

10

+3.3V_NORMAL

R112

1M

DP_RX_SDM

AR103

5.1

AR104

5.1

AR100

5.1

AR101

5.1

C104
0.1uF
16V

C103
0.1uF
16V

DP0_RX2P

R119

100K

DP0_RX2N

DP0_RX3P

R123

100K

R127

100K

DP0_RX0P

DP0_RX3N

R117

100K

DP0_RX0N

R116

100K

R124

100K

DP0_RX1P

R118

100K

R126

100K

DP0_RX1N

HDMI2_SDA

H

HDMI2_RX1-

H

HD

IC101

TS3DV642A0RUAR

1

VCC

2

EN

3

SCL

4

SDA

5

D0+

6

D0-

7

D1+

8

D1-

9

NC_1

10

D2+

11

D2-

12

D3+

13

D3-

14

HPD

15

CEC

16

SEL1

17

SEL2

18

CEC_A

19

HPD_A

20

CEC_B

21

HPD_B

22

D3-B

23

D3+B

24

D2-B

25

D2+B

26

B1-B

27

B1+B

28

D0-B

29

D0+B

30

NC_2

31

D3-A

32

D3+A

33

D2-A

34

D2+A

35

D1-A

36

D1+A

37

D0-A

38

D0+A

39

SDA_B

40

SCL_B

41

SDA_A

42

SCL_A

43

[EP]GND

HDMI1_RXC-

HDMI2_SCL

HDMI_SCL

HD

R129
4.7K

HD

HDMI_RXC-

HD

+3.3V_NORMAL

HD

HDMI_RX1-

HDMI1_HPD

R121
4.7K

HDMI2_RX2-

H

HD

C106
0.1uF
16V

HDMI1_RX2-

HDMI_SELECTION

HDMI2_HPD

HDMI1_SCL

HDMI2_RXC-

H

HDMI1_RX1-

R125
4.7K

HDMI1_RX0-

HDMI_RX2-

HDMI1_SDA

HDMI_SDA

HD

HDMI2_RX0-

HD

HDMI_RX0-

JK100

51V019S-35SN-CR2-B-LG

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

DATA1-

15

SCL

JK101

51V019S-35SN-CR2-B-LG

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

DATA1-

15

SCL

JK102

62L020S-34A1N-7T0201-HF_ 

14

14

13

13

5

5

12

12

11

11

2

2

19

19

18

18

10

10

4

4

1

1

17

17

9

9

8

8

3

3

16

16

7

7

6

6

15

15

20

20

21

21

AR102
33

AR105
33

DP_DET

HDMI_HPD

VA100
10pF
18V

VA102
10pF
18V

VA104
10pF
18V

VA107

10pF
18V

VA109
10pF
18V

VA101

10pF
18V

VA103
10pF
18V

VA105

10pF
18V

VA108
10pF
18V

VA110
10pF

18V

VA106
10pF

18V

DP0_HPD

DP0_RX3N

DP0_RX1N

DP0_RX2N

DP0_RX3P

DP0_RX1P

DP0_RX0P

DP0_RX0N

DP0_RX2P

DP0_AUXN

DP0_AUXP

D100

100V

SK510B_TSC

R143
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

JP105

+19V

R156

100K

P100

12507WR-06L

1

2

3

4

5

6

7

R139

100K

A_DIM

+5V_STANDBY

L130

UBW2012-121F

LED_DRIVER_BEAD

Q100
2N3904S

E

B

C

R122
4.7K

R149

1.5K

C339

1uF

50V

C337

1000pF

50V

+5V_STANDBY

Q102
AOD2922

G

D

S

C322
1000pF
50V

R128

1K

1%

C327
1uF
50V

R161
0.075

1W
1%

L132
33uH

C105
1uF
10V

C126
1uF
50V

+3.3V_HP

C325
10pF
50V

C330
10pF
50V

R153
10K

C113
1uF
10V

HP_MUTE

C346
10uF
10V

C332

0.1uF

16V

R142

4.7K

HP_LOUT

VR101

OPT

10pF
18V

C118
1uF
10V

HP_LOUT

+3.3V_HP

HP_ROUT

C324
1uF
10V

JP102

JP100

C341
1uF
10V

R150
4.7K

+3.3V_HP

R154

4.7K

OPT

HP_ROUT_MAIN

R148

43K
1%

C323

180pF

50V

C338
10uF
10V

JK103

PEJ027-03

6B

T_TERMINAL2

7B

B_TERMINAL2

5

T_SPRING

4

R_SPRING

7A

B_TERMINAL1

6A

T_TERMINAL1

3

E_SPRING

VR102

OPT

10pF
18V

JP103

JP101

Q103

AO3435

G

D

S

VR100

OPT

10pF
18V

HP_DET

+3.3V_NORMAL

C320
1uF
10V

C132
2.2uF
10V

IC100

TPA6138A2

3

OUTR

2

-INR

4

GND_1

1

+INR

6

VSS

5

MUTE

7

CN

8

CP

9

VDD

10

GND_2

11

UVP

12

OUTL

13

-INL

14

+INL

R135
10K

Q101
2N3904S

E

B

C

HP_ROUT

R157
10K

C329
1uF
10V

R163
0

OPT

HP_LOUT_MAIN

R146
10K

OPT

HP_OFF

R145
1K

R141
43K
1%

C135
1uF
10V

OPT

C121
180pF
50V

+3.3V_NORMAL

+3.3V_HP

R171

1K

R173

100

R172
10

C347
2200pF
50V

R176

100

R175
10

C348
2200pF
50V

R174

1K

HDMI1_5V

+5V_STANDBY

R158

0

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

R134

100K
1%

R144
3.9K
1%

L130-*1

0

LED_DRIVER_Oohm

R151
20K

R140

20K

R137
10K

R159
24K
5%

R160

68K

5%

R162

470K

5%

C119

1uF

50V

C328
1uF
50V

C321
0.1uF

16V

ML_LANE_3-

AUX_CH-

ML

ML_LANE_1-

ML

CONFIG2

HOT_PLUG

GND_4

CONFIG1

GND_2

GND_1

RETURN

DP_PWR[3.3V]

ML

ML

GND_0

GND_3

ML_LANE_0-

ML_LANE_2-

DP

HDMI1

(HDMI2.0)

(HDMI2.0)

DISPLAY PORT

PORT NO.:HDMI1

PORT NO.:HDMI2

This GND Pattern should be very thick

This GND Pattern should be very narrow

This GND Pattern should be very narrow

This GND Pattern should be very thick

For MAC mini DP issue

HDMI2.0 SWITCH

Interface

1

4

27MU68

2015.06.23

(Straight)

HDMI2

(Straight)

H    H    => HDMI 1
H    L    => HDMI 2

SEL1

SEL2

(Straight)

Left Bar(BOTTOM)

20150629
110mA setting

LED Driver

Close to IC

2015.01.19
OCP 3A->4A

HPAMP_3.3V_Switch

H/P OUT

Headphone AMP

R134//R143,R144
set the Backlight current

20150629 ADD PULL-UP R

20150629 ADD PULL-UP R

20150629 ADD JIG POINT

20150629 ADD JIG POINT

20150629
1608/2A->1005/2A

20150629 APPLY->OPT

20150629 ADD 1K-R

20150629
110mA setting

20150629
For reducing 
power consumption
@ DC off

20150630

20150630

20150630

20150703
1 -> 5%

Summary of Contents for Flatron 27UD68P

Page 1: ...R 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 27UD68P Internal Use Only ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 6: ... 1 00 0 05 M Shape Wall out Color Black Weight 0 16kg Power cord can be changed according to region If wall mount adapter is applied Power cord doesn t apply to the BOM 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 8m Shape Detachable Type Color Black Weight 0 095kg SET accessory P N EAD6312760...

Page 7: ...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...

Page 8: ...N 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 ...

Page 9: ... 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 3 Resolution Single HDMI Max 3840 2160 60Hz Recommend 3840 2160 60Hz DP Max 3840 2160 60Hz Recommend 3840 2160 60Hz PBP HDMI Max 1920 2160 60Hz Recommend 1920 2160 60Hz DP Max 1920 2160 60Hz Recommend 1920 2160 60Hz 4 Input Voltage Voltage 100 240 Vac 50 or 60Hz...

Page 10: ...surement condition 1 page 21 Adapter output 48W Adapter input Sleep Mode Off On On Off Off Off Off White Blinking 0 5W PC Stand by Mode Off Mode Off 0 3W DC Switch Off EPA On On Test video White 66 31W EPA6 0 test standard ERP On On Test video White 30 2W ERP A class Condition Outgoing condition Power rating 19V 2 0A SMART ENERGY SAVING On Off Efficiency low 15 5 high 25 5 Test with outgoing condi...

Page 11: ...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 Picture Picture Mode Custom Reader Photo Cinema sRGB Color weakness FPS Game1 FPS Game 2 RTS Game Custom Game Picture Adjust Super Resolution High Middle Low Off Sharpness 0 100 Black Level High Low HDMI HD UHD Deep Color On Off ...

Page 12: ...0 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 0 100 Reset Reset Cancel General Language English Germanic French Spanish Italian Swedish Finnish Portuguese Portuguese brazil Polish Russian Greek Ukrainian Chinese Japanese Korean Smart Energy Saving Off Low High FreeSync On Off Po...

Page 13: ...t 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Reset Reset Cancel 5 2 Open Source License If Need Open Source Use Manual License in Web Source in Web O O O ...

Page 14: ...e LCD Monitor 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 M...

Page 15: ... 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 ...

Page 16: ... 16 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 ...

Page 17: ... 17 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 ...

Page 18: ... 18 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 ...

Page 19: ...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 ...

Page 20: ...0 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 ...

Page 21: ...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...

Page 22: ...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 ...

Page 23: ...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...

Page 24: ...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...

Page 25: ... 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...

Page 26: ...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...

Page 27: ...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...

Page 28: ...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...

Page 29: ... 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...

Page 30: ...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 ...

Page 31: ...BLOCK DIAGRAM Main 31 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 32: ...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 33: ...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 34: ...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 35: ...ted 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 910 900 400 300 200 700 520 510 540 930 3...

Page 36: ... 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...

Page 37: ...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...

Page 38: ...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 39: ...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...

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