LG Flatron 27UD68P Service Manual Download

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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.

+1.15V_VDD_DDR_B

SYS_EEPROM_SCL

C282

0.1uF 16V

SYS_EEPROM_WP

EDP2-

R260

10K

IC200

MST9U11Q1(UHD Scaler)

GPIO_X10/CD_SENSE1/SAR10

GPIO_X11/CABLE5V1

GPIO_X13/DDCD3_CK/RS232_RX

GPIO_X14/DDCD3_DA/RS232_TX

VDDP_1

GND_1

VDD_1

GPIO_X12/HPD1/CBUS1

HRX0_CN

HRX0_CP

AVDD_HRX0

HRX0_0N

HRX0_0P

GND_2

HRX0_1N

HRX0_1P

AVDDL_HRX0_1

AVDDL_HRX0_2

HRX0_2N

HRX0_2P

GND_3

AVDD_DP

DP_RX0P

DP_RX0N

GND_4

DP_RX1P

DP_RX1N

AVDDL_DP

DP_RX2P

DP_RX2N

GND_5

DP_RX3P

DP_RX3N

AUXN

AUXP

NC_1

NC_2

NC_3

VDD_2

GND_6

GND_7

GND_8

AVDD_ADC

BIN0M

BIN0P

GIN0M

GIN0P

SOGIN0

RIN0M

RIN0P

HSYNC0

VSYNC0

AVDD_AUDIO_1

LINEIN_L0

LINEIN_R0

VRM_ADC

VAG

LINEOUT_L0

LINEOUT_R0

GND_9

EAROUT_L

EAROUT_R

AVDD_AUDIO_2

GPIO_A8/SPDIFO

GPIO_A7/AUMCK

GPIO_A6/AUWS

GPIO_A2/AUSD0

GPIO_A1/AUBCK

GPIO_A0/AUMUTE

GPIO40/DDCA_CK/RS232_RX

GPIO41/DDCA_DA/RS232_TX

GPIO42/PWM6

GPIO43/PWM7

GPIO44/PWM8

GPIO45/PWM9

GND_10

RESET

GND_11

VDD_NODIE_1

VDDP_2

CSZ

SDO

SDI

SCK

WP/GPIO10

/HOLD/GPIO11

GPIO00/MSCL0

GPIO01/MSDA0

GPIO02/PWM0/RS232_TX

GPIO03/PWM1/RS232_RX

GPIO04/MSCL0/PASS_SCL

GPIO05/MSDA0/PASS_SDA

GPIO06/PWM4

GND_12

XOUT

XIN

AVDD_PLL_1

GND_13

VDD_3

100

CID

101

VBUS

102

AVDD_USB

103

GND_14

104

USB_DM

105

USB_DP

106

DVDD_DDR_A

107

DVDD_DDR_RX_A

108

AVDD_PLL_2

109

VDDIO_A_1

110

VDDIO_A_2

111

VDD_4

112

VDDIO_A_3

113

VDD_DRAM_A_1

114

VDD_DRAM_A_2

115

VDD_DRAM_A_3

116

VDD_5

117

GND_15

118

AVDDL_PREDRV_1

119

GND_16

120

AVDDL_MOD_1

121

NC_4

122

NC_5

123

NC_6

124

NC_7

125

AVDD_MOD_1

126

GND_17

127

NC_8

128

NC_9

129

NC_10

130

NC_11

131

NC_12

132

NC_13

133

NC_14

134

NC_15

135

AVDD_MOD_2

136

AVDDL_PREDRV_2

137

GND_18

138

AVDDL_MOD_2

139

NC_16

140

NC_17

141

NC_18

142

NC_19

143

NC_20

144

NC_21

145

NC_22

146

NC_23

147

NC_24

148

NC_25

149

NC_26

150

NC_27

151

VDD_6

152

AVDD_LPLL

153

GND_19

154

eDP_HBR2_3-

155

eDP

156

eDP_HBR2_2-

157

eDP

158

eDP_HBR2_1-

159

eDP

160

eDP_HBR2_0-

161

eDP

162

NC_40

163

NC_41

164

NC_42

165

NC_43

166

GND_20

167

AVDDL_MOD_3

168

GND_21

169

AVDDL_PREDRV_3

170

AVDD_MOD_3

171

NC_28

172

NC_29

173

NC_30

174

NC_31

175

NC_32

176

NC_33

177

NC_34

178

NC_35

179

NC_36

180

NC_37

181

NC_38

182

NC_39

183

VDD_7

184

AUXTXN0

185

AUXTXP0

186

AUXTXN1

187

AUXTXP1

188

AUXTXN2

189

AUXTXP2

190

AUXTXN3

191

AUXTXP3

192

VDDP_3

193

VDD_NODIE_2

194

eDP_HPD[0]

195

eDP_HPD[1]

196

eDP_HPD[2]

197

eDP_HPD[3]

198

GPIO54/PWM0/EXTINT0

199

GPIO55/PWM1/EXTINT1

200

GPIO56/PWM8/EXTINT2

201

GPIO57/PWM9/EXTINT3

202

GND_22

203

VDDP_4

204

GPIO20/PWM2

205

GPIO21/PWM3

206

GPIO22/PWM4/SAR4

207

GPIO23/PWM5/SAR5

208

GPIO24/CEC3/PWM6

209

GPIO25/CEC2/PWM7

210

GPIO26/CEC

211

GPIO27/IR

212

SAR0/GPIO_SAR0

213

SAR1/GPIO_SAR1

214

SAR2/GPIO_SAR2

215

SAR3/GPIO_SAR3

216

VDD_8

217

DVDD_DDR_B

218

DVDD_DDR_RX_B

219

AVDD_PLL_3

220

VDDIO_B_1

221

VDDIO_B_2

222

VDD_9

223

VDDIO_B_3

224

VDD_DRAM_B_1

225

VDD_DRAM_B_2

226

VDD_DRAM_B_3

227

GPIO_X40/CD_SENSE4/SAR7

228

GPIO_X41/CABLE5V4

229

GPIO_X42/HPD4/CBUS4

230

GPIO_X43/RS232_RX/DDCD1_CK

231

GPIO_X44/RS232_TX/DDCD1_DA

232

GPIO_X30/CD_SENSE3/SAR8

233

GPIO_X31/CABLE5V3

234

GPIO_X32/HPD3/CBUS3

235

GPIO_X33/RS232_RX/DDCD0_CK

236

GPIO_X34/RS232_TX/DDCD0_DA

237

VDD_10

238

AVDDL_RX

239

RX1_CN

240

RX1_CP

241

RX1_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

WP#

SO/SIO1

GND

CS#

SI/SIO0

SCLK

HOLD#

VCC

R221
4.7K

EDP0+

C266

0.1uF

16V

HDMI1_5V

C277

0.1uF 16V

Q203

AO3435

AVDD_MOD

DP0_HPD

Q201

AO3435

IC201

AT24C32D-SSHM-T

GND

SDA

SCL

VCC

HDMI1_5V_SEL

AVDDL_MOD

C267

0.1uF
16V

HDMI2_5V

AVDD_DP

HDMI_5V

EDP1-

R220
4.7K

AVDD_ADC

SDO

AVDDL_MOD

HDMI2_5V_SEL

PD_CTL

HOLD

DP0_RX2P

R218
4.7K

AVDDL_PREDRV

R217
4.7K

VDDP

R261

10K

C281

0.1uF 16V

R210

+1.15V_VDD

EDP0-

HP_OFF

C279

0.1uF 16V

R232

100K

SYS_EEPROM_SCL

R205

10K

OPT

KEY1

VDDIO_B

HP_MUTE

+1.15V_VDD

DP0_RX1N

SYS_EEPROM_WP

HP_LOUT_MAIN

HDMI_RXC-

WLED_ENABLE

EDP2+

SYS_EEPROM_SDA

PD_CTL_DDR

VDDP

EDP3+

AVDDL_DP

AVDD_USB

R215
0

+3.3V_NORMAL

R244 0

R201

10K

+3.3V_NORMAL

DP_RX_SDM

R200

10K

OPT

AVDD_HRX0

R243

200K

R207

10K

R219

AR204
33

R202

10K

AVDD_PLL

AR201
33

BOOT4

DP0_RX0N

R242

200K

R254
33

R203

10K

OPT

+1.15V_VDD

R229

AR202
33

BOOT3

+1.15V_VDD

BOOT1

R255
33

OSCI

HDMI1_DET

AR203

10K

BOOT2

AVDDL_PREDRV

HP_DET

R206

10K

X200

12MHz

R208

10K

OPT

DP0_RX3P

HDMI2_5V_SEL

AVDD_MOD

L200

HDMI1_5V_SEL

C278

0.1uF 16V

+1.15V_VDD

DP0_RX1P

C280

0.1uF 16V

HDMI_SCL

HDMI_SDA

AVDDL_MOD

+1.15V_VDD_DDR_A

+1.15V_VDD

R209

C205
1uF
10V

+1.15V_VDD

HP_ROUT_MAIN

C204

1uF

10V

DP0_RX0P

R231

R224
100K

OPT

VDDIO_A

VDDP

AVDD_MOD

Q200
2N3904S

BOOT2

JP201

Q202
2N3904S

R223
100K

OPT

HDMI_RX2-

EDP_HPD

C263
10uF
10V

VDD_DRAM_B

OSCO

C262
0.1uF
16V

OPT

CONTROL_LED

EDP_AUX_CHP

HDMI_RX1-

C274
0.1uF
16V

EDP_AUX_CHN

+3.3V_NORMAL

OSCO

DP0_RX3N

C292
68pF
50V

OPT

HDMI_5V

C293
68pF

50V

OPT

C283

0.1uF 16V

C290

68pF

50V

OPT

R265

C275
0.1uF

16V

C291

68pF

50V

OPT

WP_SPI

R246

DP0_AUXN

R245

VDD_DRAM_A

EDP0+

HDMI2_DET

EDP2-

HOLD

EDP2+

R234
33

SDI

EDP_AUX_CHN

AVDDL_HRX0

EDP1-

C202

0.47uF

16V

AVDD_PLL

EDP1+

EDP0-

EDP_HPD

C238
4.7uF
25V

OPT

C276

0.1uF 16V

EDP3-

KEY2

PANEL_ON

HDMI_RX0-

+10V_PANEL

C203
10uF
10V

OPT

EDP_AUX_CHP

HDMI_HPD

R266

10K

+5V_STANDBY

EDP1+

EDP3-

EDP3+

DP0_RX2N

C229
4.7uF
25V

R233

10K

DP0_AUXP

OSCI

BOOT3

BOOT1

R222
47K

BOOT4

VDDP

WP_SPI

AVDDL_RX

SYS_EEPROM_SDA

+3.3V_NORMAL

C294
10uF
10V

5V_ST_ON

WLED_ADIM

DP_DET

R211

R241

+3.3V_NORMAL

R238
10K

OPT

10K

R239

JP203

R214

3.3K

WHITE LED OPT

R227

4.7K

VR202

18V

10pF

R226
4.7K

OPT

R225

P200

12507WR-08L

R213

3.3K

Q204
2N3904S

R228
4.7K

OPT

L202
BLM15PX121SN1
RED LED OPT

ZD200
5.6V

JP204

KEY2

C201

68pF
50V

OPT

JP208

VR201

18V

10pF

R204
100

JP207

KEY1

+3.3V_NORMAL

+5V_STANDBY

C200
1uF

10V

JP206

JP205

VR203

18V

OPT

10pF

R216

CONTROL_LED

P202

12507WS-04L

DE_BUG

AR207

10K

DE_BUG

AR200

DE_BUG

R212

RAC34057401

JP200

JP209

R240

R235

R237

R247

R248

R249

R250

R236

JP210

D200

BAT54C

HDMI_5V

R253

OPT

R252

OPT

C264

1000pF

50V

C265

1000pF

50V

BUZZER_PWM

+5V_STANDBY

R256

R257

BU200

PKM13EPY-4002-B0

Q205
2N3904S

R259

R258

OPT

+3.3V_NORMAL

JP202

BUZZER_PWM

P201

05030HR-H30C1(G)

EDP_WAFER

Scalar / Key

2015.06.23

27MU68

CRYSTAL

Close to IC

SBUS

GPIO43

GPIO45

EXT RIU

GPIO44

FUNCTION

BOOT-STRAP

GPIO45

GPIO42

BOOT from R2

GPIO42

GPIO43

BOOT from 51

GPIO44

SYSTEM
EEPROM

FLASH MEMORY

SYSTEM EEPROM

FLAH
8MBIT

SOLDER PRE-FORM

MODULE-eDP

IIC for Debugging
(from MP, delete this parts)

20150116
Crystal matching test
22pF->15pF

RESET

Close to scalar P79

Close to scalar P193

Angle (8P)

Joystick Key

BEEP
UZZER

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 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 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...

Page 40: ......

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