LG EA71G Service Manual Download Page 43 | Manualshive

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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.

IR/KEY

2014-05-19

12

UF71/7500

+3.5V_ST

IC4101

AO-R123C7G-LG

DEBUG_IR_PROTO

G

GND

V

VS

O

OUT

R4105

47

1/10W

5%

DEBUG_IR_PROTO

IR

+3.5V_ST

R4103

330

1/16W

5%

DEBUG_IR_PROTO

JP4106

JP4104

JP4101

JP4103

JP4105

P4101

12507WR-08L

1

2

3

4

5

6

7

8

9

JP4102

WIFI_DP

WOL/WIFI_POWER_ON

C4107
10uF
10V

+3.5V_WIFI

M_RFModule_RESET

C4101
0.1uF
16V

R4108
2K

OPT

3D_SYNC

C4102
0.1uF
16V

C4104
10uF
10V

C4106
5pF
50V
OPT

C4103
5pF
50V
OPT

WIFI_DM

JP4111

JP4109

JP4108

JP4107

JP4112

JP4110

R4112
1K

+3.5V_ST

EYE_SDA

IR

+3.5V_ST

Q4101

MMBT3904(NXP)

E

B

C

C4111
0.1uF
16V
OPT

R4121
100

R4114
10K

EYE_SCL

C4108
100pF
50V

R4119
10K

LED_R

JP4113

JP-BLOCK-IR

IR

GND

C4105
1000pF
50V

R4120
10K

+3.5V_ST

C4109
0.1uF
OPT

KEY2

+3.5V_ST

C4110
0.1uF
OPT

KEY1

C4100

0.1uF

+3.5V_WIFI

R4101

33

R4122 9.1K

1/16W

5%

WIFI_EN_TJ2242

WIFI_EN

R4100
10K

OPT

+3.5V_ST

IC4100-*1

BD2242G

EAN62871401

WIFI_EN_ROHM

3

EN

2

GND

4

OC

1

VIN

6

VOUT

5

ILIM

R4122-*1

14K

1/16W

1%

WIFI_EN_ROHM

R4102

3.3K

IC4100

TAEJIN TECHNOLOGY CO., LTD.

WIFI_EN_TJ2242

EAN64148901

3

EN

2

GND

4

FLAG

1

IN

6

OUT

5

ILIMIT

D4101

DF3D6.8MS

WIFI_DIODE_TOSHIBA

D4101-*1
WIFI_DIODE_SEMTECH

EAH61515101

R4123
0

1/16W
5%

OPT

3D_SYNC

R4104

0

WIFI_11N_ONLY

AR4102
100
1/16W

AR4101
100
1/16W

AR4100
10K
1/16W

P4102

12507WS-10L

WAFER-STRAIGHT

1

2

3

4

5

6

7

8

9

10

11

R4109
2.2

R4110
2.2

C4112
0.1uF
16V

OPT

R4106
510

R4107
510

2. RESET

3. 3D_SYNC

6. WIFI_DP

Place to P4000 side

Remove L due to
voltage drop

8. 3.5V_WIFI

7. WIFI_DM

4. WOL_ON

5. GND

WIFI/BT

1. GND

9. EYE_SCL

8. GND

2.KEY1

IR/EYE/KEY (STRAIGHT)

10. EYE_SDA

4. 3.5V_ST

7. IR

1.GND

6. LED_R

3.KEY2

5. GND

WIFI POWER ENABLE CONTROL

Discharge Resistor

Current Limit : 1.5A

For ESD

Copyright © 2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes

LGE Internal Use Only

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Summary of Contents for EA71G

Page 1: ...69589301 1604 REV00 CHASSIS EA64B MODEL OLED55B6P OLED55B6P U MODEL OLED65B6P OLED65B6P U CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL OLED TV SERVICE MANUAL Internal Use Only ...

Page 2: ...eserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 20 EXPLODED VIEW 28 DISASSEMBLY 29 SCHEMATIC CIRCUIT DIAGRAM APPENDIX TROUBLE SHOOTING GUIDE APPENDIX ...

Page 3: ...inals etc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed 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 m...

Page 4: ...lectrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial 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 prevent...

Page 5: ...he 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 replace...

Page 6: ...ethod followed 2 Demanded other specification Safety UL CSA CE IEC specification EMC FCC ICES CE IEC specification No Item Specification Remark 1 Market North America 2 Broadcasting system Digital DVB T2 ATSC 64 256 QAM ATSC Analog NTSC M NTSC M 3 Available Channel VHF 2 13 UHF 14 69 DTV 2 69 CATV 1 135 CADTV 1 135 DTV UHD 2 69 4 Receiving system Digital ATSC Analog NTSC M 5 Video Input NTSC M Rea...

Page 7: ...80 28 12 50 00 74 25 HDTV 1080I 50Hz 11 1920 1080 33 72 59 94 74 17 HDTV 1080I 12 1920 1080 33 75 60 00 74 25 HDTV 1080I 13 1920 1080 56 25 50 148 5 HDTV 1080P 14 1920 1080 67 43 59 94 148 5 HDTV 1080P 15 1920 1080 67 50 60 00 148 5 HDTV 1080P No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed Remarks HDMI PC 1 640 350 31 46 70 09 25 17 EGA 2 720 400 31 46 70 08 28 32 DOS 3 640 480 31 46...

Page 8: ...1920 1080 33 71 29 97 79 120 HDTV 1080P 18 1920 1080 33 75 30 00 79 20 HDTV 1080P 19 1920 1080 56 25 50 00 148 5 HDTV 1080P 20 1920 1080 67 43 59 94 148 35 HDTV 1080P 21 1920 1080 67 5 60 00 148 50 HDTV 1080P 22 3840 2160 53 95 23 98 296 70 UDTV 2160P 23 3840 2160 54 24 00 297 00 UDTV 2160P 24 3840 2160 56 25 25 00 297 00 UDTV 2160P 25 3840 2160 61 43 29 97 296 70 UDTV 2160P 26 3840 2160 67 5 30 0...

Page 9: ...played for a period of 20 minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 PCB assembly adjustment method 3 1 MAC Address ESN Key Wide vine Key HDCP 2 2 Download D L Program keydownload exe 3 1 1 Equipment Condition 1 Play file keydownload exe 2 Key Write Com 1 2 3 4 and 115200 Baudrate 3...

Page 10: ...D L method Recommend that don t connect HDMI and RGB D SUB cable when downloading the EDID If not possible recommend that connect the MSPG equipment There are two methods of downloading the edid data It is a VESA regulation A PC or a MNT will display an optimal resolution through information Sharing without any necessity of user input It is a realization of Plug and Play 3 5 1 1st Method EDID data...

Page 11: ... 01 78 80 03 E3 05 C0 00 E3 0F 01 10 E3 06 C0 07 01 01 1D 80 18 71 1C 16 20 58 2C 25 00 40 84 D0 63 00 00 9E 66 21 50 B0 51 00 1B 30 40 70 36 00 E0 40 84 63 00 00 1E 00 00 00 00 00 00 00 00 00 00 F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 96 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1A 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 01 10 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 26 20 01 01 01 01 01 08...

Page 12: ...09 57 07 6E 03 0C A0 00 30 00 B8 3C 20 00 80 01 02 03 04 E3 0E 61 66 B0 E3 06 07 01 01 1D 80 18 71 1C 16 20 58 2C 25 00 C0 40 84 63 00 00 9E 66 21 50 B0 51 00 1B 30 40 70 D0 36 00 40 84 63 00 00 1E 00 00 00 00 00 00 00 00 E0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 BC 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 ...

Page 13: ...A100 or CA 210 or same product should be used in the calibrated ch by CS 1000 LCD TV CH 9 PDP TV CH 10 White LED TV CH 14 ALEF CH 18 RGB LED MNT CH 16 Auto W B adjustment instrument only for Auto adjustment 4 2 1 Adjustment of White Balance For Automatic Adjustment Connecting diagram of equipment for measuring For Automatic Adjustment 1 Set TV in ADJ mode using P ONLY key or POWER ON key 2 Place o...

Page 14: ... 0 277 0 002 0 278 0 002 11000K 0 0030 Medium 0 286 0 002 0 289 0 002 9 300 K 0 000 Warm 0 313 0 002 0 329 0 002 6 500K 0 0030 4 2 3 2 Auto WB calibration 10 window pattern brightness check HDR 1 Set TV in ADJ mode using P ONLY key or POWER ON key 2 Place optical probe on the center of the display It need to check probe condition of zero calibration before adjustment 3 Connect RS 232C Cable 4 Sele...

Page 15: ...on the coordinates of W B can be lower than the spec 4 3 LAN Inspection 1 LAN Port connection with PCB 2 Network setting at MENU Mode of TV 3 Setting automatic IP 4 Setting state confirmation 5 If automatic setting is finished you confirm IP and MAC Address 4 4 WIDEVINE Key Inspection 1 Confirm Key input Data at the IN START MENU Mode 4 5 Model name Serial number D L 4 5 1 Notice 1 Serial number D...

Page 16: ...ates If Test is passed GOOD Lamp on and move to next process automatically 4 8 3 Check point 1 Test voltage 1 3 Poles GND 1 5KVac min at 100mA SIGNAL 3KVac min at 100mA 2 TEST time 1 second 3 TEST POINT 1 3 Poles GND Test POWER CORD GND and SIGNAL CABLE GND Hi pot Test POWER CORD GND and LIVE NEUTRAL 4 LEAKAGE CURRENT At 0 5mArms 4 9 Motion Remote controller Inspection 1 Equipment Motion remote co...

Page 17: ...tive To check the connection between sub tuner and PCBA and their Function 2 Test Method This Inspection is available only Power Only Status 1 Press exit key of the Adj R C and Press PIP key 2 Check that the SUB TUNER pop up window on the TV Set 3 Check that the normal operation picture sound of DTV on the TV Set Appendix A DDC Adjustment Command set Adjustment content CMD HEX ADR VALUE detail 1 A...

Page 18: ... 00 1f Gain Adjust Stop wb 00 20 Offset Adjust Start Internal white pattern wb 00 2f Offset Adjust Stop wb 00 ff White Balance Adjust Stop Internal pattern Exit xb 00 10 Analog 20 Video 1 21 Video 2 40 Component 1 41 Component 2 50 RGB_DTV 60 RGB_PC 90 HDMI 1 91 HDMI 2 92 HDMI ad 00 10 ADC Start D Bluetooth S W Upgrade by using USB drive Input 1 Preparation Equipment 1 USB Memory Stick 2 New Bluet...

Page 19: ...re update The Pop up window appears for selecting to update Bluetooth software and information about current Bluetooth software Ex V2 02 Select Yes 5 Bluetooth S W Downloading Process Time Process Downloading new Bluetooth software about 10seconds Please Wait until finish and do not un plug power cable 6 OSD Bluetooth software updated successfully OSD Information Bluetooth software update success ...

Page 20: ...3 2133 X 16 512MB X 2EA X_TAL 27MHz A B X_TAL 32 768KHz I2S Out I2C 4 USB3_TX RX0 I2C 4 HW Port COMP OCP YPbPr CVBS RGB SPDIF OUT ETHERNET I2C 1 HW Port SUB ASSY IR KEY LOGO LIGHT Ready WIFI BT Combo USB_WIFI GPIO86_SPI_DI0 GPIO88_SPI_DO0 DDR3 2133 X 16 512MB X 2EA HDMI3 External EDID USB3 2 0 RS232C HDMI2 ARC HDMI 2 0 TWEETER Audio AMP NTP7515D AV AV Vx1 OCP OCP USB_DM DP2 USB_DM DP1 P1 P2 I2C 2 ...

Page 21: ...Only for training and service purposes 2 K2L I2C Block Diagram SCL1 SDA1 33Ω 1 8KΩ K2L TUNER 3 3V_NORMAL 1 8KΩ 33Ω NVRAM 3 3V_NORMAL IC3000 RENESAS MICOM 3 3_TU 1 8KΩ IC5800 NTP7515 SCL2 SDA2 T CON SCL4 SDA4 IC5900 NTP7515 33Ω 33pF SCL6 SDA6 47pF 33Ω 33Ω 33pF 1 8KΩ 3 3V_NORMAL ...

Page 22: ...C2306 4A TPS56428DDAR NTP7515D EXT EDID IC3301 DDR3 3 3V_NORMAL 3 5V_ST 1 8V IC2300 4A RT7231GQW 1 05V_CPU CORE IC2305 10A TPS51362RVER 1 0V_CORE A13V A24V NTP7515D USB3 0 OCP USB2 0 OCP USB2 0 OCP K2L H P AMP PANEL IC2303 3A BD9A300MUV 1 5V_DDR MICOM NVRAM IR_KEY ETHERNET WIFI WOL_EN WIFI_EN DVDD18_EMMC EMMC EMMC CPU_1V0 DIV0 MAIN TWEETER Eth Stdby 1 0V AUDIO AMP RETIMER MUX IC2301 2A TJ2132GDP I...

Page 23: ...y for training and service purposes 4 Tuner CI Block Diagram IF_AGC IF_P_MAIN IF_N_MAIN IF_P_MAIN TU_CVBS SCL2 SDA2 TDJH H301F IF_AGC_TU IF_P_TU IF_N_TU TU_SIF TU_CVBS_TU 3 3V_LNA_TU 1 3 3V_Normal I2C_SCL2_TU 4 I2C_SDA2_TU 5 33 Ω 3 3V_TU 1 8KΩ K2L GPIO0_RF_IF_AGC1 IFN IFP VIN10P ...

Page 24: ...ing and service purposes 5 Video Audio In Block Diagram K2L VIN4P Jack Side SoC Side JK3902 COMP1_Y CVBS COMP2_Pb COMP2_Pr COMP1 AV1 DVI_R_IN COMP1 AV1 DVI_L_IN COMP1_Y CVBSP COMP1_PbP VIN13P COMP1_PrP COMP1 AV1 DVI_R_IN AI1R COMP1 AV1 DVI_L_IN SC_CVBS_IN SC_CVBS_IN JK3900 AI1L VIN3P VIN5P ...

Page 25: ...800 Front AMP NTP7515D LPF SPDIF_OUT 4P WAFER HPOL HPOR AUD_SCK GPIO89_WCLKRCK I2C_SDA0 I2C_SCL0 IC3000 MICOM AMP_MUTE GPIO83_SPI_WP AMP_RESET_N JK3901 LPF Front_L Front_R GPIO90_SCLK K2L IC5900 TWEETER AMP NTP7515D LPF 8P WAFER LPF Woofer_L Woofer_R I2S JK3900 COMP1 AV1 DVI_R_IN COMP1 AV1 DVI_L_IN AI1L AI1R I2C_SDA4 I2C_SCL4 GPIO92_D0 AUD_LRCK AUD_LRCH ...

Page 26: ... 8bits DDC_SCL_2 DDC_SDA_2 TMDS Link 8bits DDC_SCL_3 DDC_SDA_3 TMDS Link 8bits TMDS DATA 6bits DATA0 1 2 TMDS CLK 2bits TMDS Link 8bits HDMI_CEC_MICOM Q3001 IC3301 External EDID ST_IO19_H0_SCL ST_IO20_H0_SDA ST_IO22_H1_SCL ST_IO23_H1_SDA ST_IO25_H2_SCL ST_IO26_H2_SDA GPIO17 JK3301 JK3300 JK3302 HDMI4 External EDID HDMI1 4 JK3303 DDC_SCL_4 DDC_SDA_4 TMDS Link 8bits IC3304 External EDID IC3306 TI 2 ...

Page 27: ..._USB_2 USB_OCD1 USB_CTL1 USB_CTL2 USB_OCD2 WIFI_DM WIFI_DP HSDM3 HSDP3 RENESAS MICOM IC3000 ST_IO13 ST_IO12 SOC_TX SOC_RX USB3_DP0 5V_USB_1 USB_CTL3_0 USB_OCD3_0 HSDM1 HSDP1 ST_IO16 ST_IO17 USB3_0_DM0 USB3_0_DP0 USB1 USB3_DM0 AI3L AI3L RS232C_Debug USB2 0 WIFI Combo M_RFModule_RESET GPIO93_MCLK USB3_TXM0 USB3_TXP0 USB3_RXP0 USB3_RXM0 HSIN HSIP HSON HSOP OCP IC4301 OCP IC4301 5V_NORMAL 5V_NORMAL JK...

Page 28: ...ristics 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 Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 200 400 540 521 530 120 121 710 700 A10 A22 920 900 810 571 501 L...

Page 29: ...t the set on the flat pad 2 Remove Rear Small Cover Pull up bottom of Rear Small Cover to remove 3 Remove Stand Screw and Stand FAB30016103 M4 12mm 4EA Remove Screw 4EA first next remove Stand 4 Remove Back Cover Screw FAB31843216 M3 5 5mm Gray 9EA Common use 55 65 FAB31843216 M3 5 5mm Gray 1EA Add only 55 DISASSEMBLY ...

Page 30: ...ight LG Electronics Inc All rights reserved Only for training and service purposes 5 Remove PowerCord Bracket Pull up Power Cord than remove Bracket next remove cord from PSU 6 Remove Back Cover Pull up bottom of Back Cover to remove ...

Page 31: ...3 V1 ST_IO21_H0_HPD J4 ST_IO19_H0_SCL H4 ST_IO20_H0_SDA H3 ST_IO24_H1_HPD K3 ST_IO22_H1_SCL K4 ST_IO23_H1_SDA J3 ST_IO25_H2_SCL Y2 ST_IO26_H2_SDA Y1 ST_IO27_VGA_SCL AA2 ST_IO28_VGA_SDA AA1 RTC_XI L4 RTC_XO L3 RST D4 ST_IO02 C3 ST_IO03 D3 ST_IO04 C4 ST_IO05 N4 ST_IO06 N3 ST_IO07 P4 ST_IO08 P3 ST_IO09 R4 ST_IO10 T4 ST_IO11 U4 ST_IO12 V4 ST_IO13 W4 ST_IO14 Y4 ST_IO15 AA4 ST_IO16 AB4 ST_IO17 AC4 ST_IO...

Page 32: ...4 NXP BJT_NXP_2 EBK61012601 E B C Q202 1 AO3435 EBK61913501 FET_AO3435_2 G D S Q204 1 AO3435 EBK61913501 FET_AO3435_2 G D S Q206 1 AO3435 EBK61913501 FET_AO3435_2 G D S L209 BLM18PG121SN1D ST_A1V0 C2371 0 1uF 16V C2372 10uF 10V C2374 0 1uF 16V C2375 10uF 10V C2373 0 47uF 6 3V IC100 LGE6551_AA1 CO1V0_1 R11 CO1V0_2 R12 CO1V0_3 T11 CO1V0_4 T12 CO1V0_5 U11 CO1V0_6 U12 CO1V0_7 V12 CO1V0_8 AB12 CO1V0_9 ...

Page 33: ...4 M0_DDR_WEN M1_DDR_RASN M0_DDR_CKE C436 0 1uF 16V C442 0 1uF 16V C432 0 1uF 16V 1 5V_DDR 1 5V_DDR C443 0 1uF 16V C445 0 1uF 16V C434 0 1uF 16V C405 0 1uF 16V C446 0 1uF 16V C404 0 1uF 16V C407 0 1uF 16V C444 0 1uF 16V C447 10uF 10V C448 10uF 10V C449 10uF 10V C450 10uF 10V C451 10uF 10V C452 10uF 10V R420 27 R421 27 R418 27 R419 27 C457 10uF 10V C455 10uF 10V C453 10uF 10V C458 10uF 10V C456 10uF...

Page 34: ...C TXDAN2_L C634 0 047uF C632 0 047uF HP_ROUT C654 2 2uF C655 2 2uF IC100 LGE6551_AA1 LVDS_AAN J1 LVDS_AAP J2 LVDS_ABN K1 LVDS_ABP K2 LVDS_ACN L1 LVDS_ACP L2 LVDS_ADN M1 LVDS_ADP M2 LVDS_AEN N1 LVDS_AEP N2 LVDS_AFN P1 LVDS_AFP P2 LVDS_BAN AK38 LVDS_BAP AK37 LVDS_BBN AK36 LVDS_BBP AL37 LVDS_BCN AL36 LVDS_BCP AM37 LVDS_BDN AM38 LVDS_BDP AM36 LVDS_BEN G1 LVDS_BEP G2 LVDS_BFN H1 LVDS_BFP H2 LVDS_CAN E1...

Page 35: ...ND_156 Y24 DGND_157 Y25 DGND_158 Y33 DGND_159 AA13 DGND_160 AA14 DGND_161 AA15 DGND_162 AA16 DGND_163 AA17 DGND_164 AA18 DGND_165 AA19 DGND_166 AA20 DGND_167 AA21 DGND_168 AA22 DGND_169 AA23 DGND_170 AA24 DGND_171 AA25 DGND_172 AA36 DGND_173 AB13 DGND_174 AB14 DGND_175 AB15 DGND_176 AB16 DGND_177 AB17 DGND_178 AB18 DGND_179 AB19 DGND_180 AB20 DGND_181 AB21 DGND_182 AB22 DGND_183 AB23 DGND_184 AB24...

Page 36: ...16W CI_SLOT TPI_DATA 0 TPI_DATA_CI 3 TPI_DATA_CI 0 EB_DATA 2 CI_DATA 4 TPI_VAL_CI CAM_REG_N R912 100 CI_SLOT CI_OE CI_ADDR 3 C903 0 1uF CI_SLOT TPI_DATA 6 EB_OE_N TPI_DATA 1 AR901 33 1 16W CI_SLOT R909 10K CI_SLOT TPI_DATA_CI 2 TPI_DATA_CI 2 EB_DATA 3 AR903 33 1 16W CI_SLOT TPI_SOP_CI CI_ADDR 14 C904 0 1uF CI_SLOT TPI_DATA 4 CAM_IREQ_N CI_MDI 4 R922 100 CI_SLOT 5V_NORMAL TPI_DATA 2 R910 100 CI_SLO...

Page 37: ...1K R2331 14K 1 PD_ 12V 13V Q2302 1 2N7002KA FET_KEC G D S 3 3V_NORMAL C2316 4700pF 50V C2351 10uF 25V C2301 10uF 10V R2332 5 1K 1 PD_ 12V 3 3V_NORMAL C2343 470pF 50V OPT C2354 10uF 10V R2338 0 1 16W 5 R2321 4 7 5 C2304 10uF 10V R2333 0 5 PD_ 3 5V R2307 10K R2340 240K 1 16W 1 R2313 0 5 C2308 0 1uF 16V C2335 0 1uF 16V OPT C2347 0 01uF 25V C2303 10uF 10V C2356 0 1uF 16V NON_OLED ZD2304 2 5V R2300 6 8...

Page 38: ...21F R2506 10K R2519 1 5K 1 PD_24V C2507 10uF 25V MODE_SELECT P2500 SMAW200 H24S5 19 12V 14 12V 9 12V 4 24V 18 12V 13 12V 8 12V_ON 3 24V 17 12V 12 12V 7 GND 2 GND 16 GND 11 12V 6 24V 1 GND 20 GND 15 GND 10 GND 5 24V 21 PDIM 1 22 PDIM 2 23 PWR ON 24 INV CTL 25 A13V R2516 0 POWER_DET C2510 10uF 25V OLED_AC_DET L2507 UBW2012 121F R2522 100K PANEL_VCC R2513 1K C2511 10uF 25V OLED_AC_DET R2509 0 PD_OLED...

Page 39: ...1 P70 KR0 SCK21 SCL21 12 P30 INTP3 RTC1HZ SCK11 SCL11 13 P50 INTP1 SI11 SDA11 14 P51 INTP2 SO11 15 P17 TI02 TO02 16 P16 TI01 TO01 INTP5 17 P15 PCLBUZ1 SCK20 SCL20 18 P14 RXD2 SI20 SDA20 19 P13 TXD2 SO20 20 P12 SO00 TXD0 TOOLTXD 21 P11 SI00 RXD0 TOOLRXD SDA00 22 P10 SCK00 SCL00 23 P146 24 P147 ANI18 25 P27 ANI7 26 P26 ANI6 27 P25 ANI5 28 P24 ANI4 29 P23 ANI3 30 P22 ANI2 31 P21 ANI1 AVREFM 32 P20 AN...

Page 40: ...M_LOGO OLED R3009 3 20K MICOM_UHD R3009 4 75K MICOM_8K R3009 1 2 7K MICOM_FHD R3011 2 8 2K MICOM_RTK R3011 4 75K MICOM_M2 R3011 1 2 7K MICOM_M16 R3011 3 20K MICOM_H15 A5LR NON LOGO LCD MODEL_OPT_0 AM0 MICOM MODEL OPTION LOGO LCD 0 72V MODEL_OPT_2 AM2 1 53V BOX_NON_EPI TV_NON_EPI FHD MODEL_OPT_3 AM3 UHD M16 MODEL_OPT_1 AM1 H15 2 27V 3 0V NON LOGO OLED LOGO OLED MODEL_OPT_3 AM3 TV_EPI BOX_NON_EPI 8K...

Page 41: ... ESD_HDMI EAF61630102 D1 _HDMI3_SW R3350 4 7K OPT R3302 1K R3307 4 7K HDMI_EXT_EDID_NON VA3302 1 ADUC 20S 02 010L EAF61530301 ESD_HDMI_AMOTECH_2 D1 _PS8409 C3328 0 01uF DDC_SCL_3 R3337 0 HDMI_EXT_EDID 3 3V_MUX AR3304 33 1 16W 3 3V_NORMAL C3315 22uF 10V D0 _HDMI2 D1 _HDMI1 3 3V_NORMAL Q3302 2N3904S BJT_KEC_1 0TRKE80046A E B C R3346 10K OPT R3319 4 99K 1 D3305 MMBD6100 HDMI_PULLUP_1 A2 C A1 CEC_REMO...

Page 42: ...23 0 R3920 6 8K 1 R3919 6 8K 1 R3905 1K R3914 1K 3 3V_NORMAL C3909 0 22uF 25V HP_OUT R3909 10K HP_OUT C3910 0 22uF 25V HP_OUT HP_ROUT_AMP R3907 150 HP_OUT R3908 1K HP_OUT L3903 BLM18PG121SN1D HP_OUT HP_DET JK3904 PEJ034 01 HP_OUT EAG60841811 6B T_TERMINAL2 7B B_TERMINAL2 5 T_SPRING 4 R_SPRING 3 E_SPRING VA3905 HP_OUT EAF61530102 HP_LOUT_AMP L3904 BLM18PG121SN1D HP_OUT R3906 150 HP_OUT JK3901 2F01T...

Page 43: ...CK IR IR GND C4105 1000pF 50V R4120 10K 3 5V_ST C4109 0 1uF OPT KEY2 3 5V_ST C4110 0 1uF OPT KEY1 C4100 0 1uF 3 5V_WIFI R4101 33 R4122 9 1K 1 16W 5 WIFI_EN_TJ2242 WIFI_EN R4100 10K OPT 3 5V_ST IC4100 1 BD2242G EAN62871401 WIFI_EN_ROHM 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM R4122 1 14K 1 16W 1 WIFI_EN_ROHM R4102 3 3K IC4100 TAEJIN TECHNOLOGY CO LTD WIFI_EN_TJ2242 EAN64148901 3 EN 2 GND 4 FLAG 1 IN 6 O...

Page 44: ...V JP4301 JP BLOCK USB VBUS DM DP GND C4323 10uF 10V USB_DM1 JK4300 3AU04S 385 ZC LG USB2 0_FREEPORT_MAIN 1 2 3 4 5 JK4302 US 04A VSD USB STRAIGHT 1 2 3 4 5 C4301 0 1uF 16V 3 3V_NORMAL 5V_USB_2 IC4300 BD2242G EAN62871401 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM USB_CTL1 USB_OCD1 R4303 4 7K USB_OCD2 5V_NORMAL R4301 10K 5V_USB_1 IC4301 BD2242G EAN62871401 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM R4300 10K USB_...

Page 45: ... D 4 GND 5 STDA_SSRX 6 STDA_SSRX 7 GND_DRAIN 8 STDA_SSTX 9 STDA_SSTX 10 SHIELD JK4400 3AG009S 106N3R6003 1 2T PCB EAG63374205 USB3 0_FREEPORT_1 2T 1 VBUS 2 D 3 D 4 GND 5 STDA_SSRX 6 STDA_SSRX 7 GND_DRAIN 8 STDA_SSTX 9 STDA_SSTX 10 SHIELD R4400 2 2 R4401 2 2 D4400 IP4294CZ10 TBR USB3 0_DIODE_NXP_MAIN 1 8 2 7 3 6 4 5 9 10 D4401 IP4294CZ10 TBR USB3 0_DIODE_NXP_MAIN 1 8 2 7 3 6 4 5 9 10 JK4400 1 SJ113...

Page 46: ...5000 0 OPT C5000 0 1uF 16V NON_EASY_TV EPHY_TDN EPHY_RDN R5001 0 OPT VA5001 5 5V NON_EASY_TV VA5002 5 5V NON_EASY_TV EPHY_TDP C5001 0 01uF 50V NON_EASY_TV L5000 PZ1608U121 2R0TF NON_EASY_TV JK5000 RJ45VT 01SN002 LANJACK_UDE_MAIN EAG35781010 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 JK5000 1 26TM9G 30100 02HF LANJACK_FREEPORT_SUB1 EAG35781016 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 JK5000 2 B50 512 10 F4 03A...

Page 47: ...00 100 13V_AMP C5819 0 47uF 50V WOOFER_MUTE C5806 1000pF 50V AMP_RESET_N R5809 3 3 1 10W 5 R5813 4 7K R5814 4 7K WOOFER_MUTE L5803 10 0uH NRS6045T100MMGK 10uF C5810 35V I2C_SDA4 C5811 22000pF 50V TP5802 R5808 3 3 1 10W 5 L5800 UBW2012 121F L5805 10 0uH NRS6045T100MMGK C5802 33pF 50V SPK_L 0 1uF C5821 50V AUD_SCK SPK_R C5817 1uF 10V 13V_AMP C5800 1uF 10V R5811 4 7K L5802 10 0uH NRS6045T100MMGK C581...

Page 48: ..._TWEETER 0 1uF C5921 50V SPK_TWEETER AUD_SCK C5910 22000pF 50V SPK_TWEETER P5900 SMAW250 08 SPK_TWEETER 1 2 3 4 5 6 7 8 SPK_L 0 1uF C5922 50V SPK_TWEETER SPK_L C5906 22000pF 50V SPK_TWEETER C5913 390pF 50V SPK_TWEETER L5904 NRS6045T100MMGK SPK_TWEETER 10 0uH SPK_R _TW R5906 4 7K SPK_TWEETER C5901 33pF 50V SPK_TWEETER SPK_R _TW 10uF C5908 35V SPK_TWEETER L5900 UBW2012 121F SPK_TWEETER C5912 1uF 10V...

Page 49: ... 0 1uF 16V HP_AMP R6103 43K 1 HP_AMP R6102 43K 1 HP_AMP C6103 1uF 10V HP_AMP R6107 0 HP_AMP_NON SIDE_HP_MUTE HP_ROUT_AMP C6111 0 01uF OPT C6104 18pF HP_AMP 3 3V_NORMAL C6105 1uF 10V HP_AMP IC6100 TPA6138A2 HP_AMP 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 HP_LOUT_AMP C6108 10pF 50V HP_AMP C6106 10pF 50V HP_AMP C6100 2 2uF 10V HP_AMP C6109 18pF HP_...

Page 50: ...7K JAPAN R6319 1 2K OPT C6304 0 1uF 16V JAPAN R6313 75 JAPAN R6302 OPT SMARTCARD_RST P6300 10057542 1311FLF B CAS Slot JAPAN_BCAS_OLD C1 VCC C2 RST C3 CLK C4 RESERVED_1 C5 GND C6 VPP C7 I O C8 RESERVED S1 SW1 S2 SW2 R6317 1 2K JAPAN L6301 BLM18PG121SN1D JAPAN C6305 0 1uF 16V JAPAN L6300 BLM18PG121SN1D JAPAN C6302 0 1uF 16V JAPAN SMARTCARD_PWR_SEL R6318 1 2K OPT SMARTCARD_DET C6303 0 1uF 16V JAPAN ...

Page 51: ...M18PG121SN1D TU_M W IF_N_TU LNB_OUT TU_RESET1_TU LNB_OUT R6541 26 1K 1 16W 1 TU_W_JP L6502 BLM18PG121SN1D R6535 0 TU_W_JP C6525 0 01uF 50V TU_M W FE_DEMOD1_TS_DATA 4 FE_DEMOD1_TS_ERROR TU_CVBS_TU IF_AGC IC6501 TJ2132GDP TU_W_JP 3 IN 2 EN 4 BIAS 1 POK 5 SS 6 OUT 7 FB 8 GND 9 EP GND R6532 0 TU_W_JP C6520 10uF 10V TU_M W IC6500 TJ2132GDP TU_M W 3 IN 2 EN 4 BIAS 1 POK 5 SS 6 OUT 7 FB 8 GND 9 EP GND IF...

Page 52: ...43 S_MCLK 44 S_VALID 45 S_RESET_DEMOD 46 S_DATA A1 A1 B1 B1 FE_DEMOD1_TS_1_DATA 4 FE_DEMOD1_TS_1_DATA 5 I2C_SDA2_TU TU_GND_B FE_DEMOD2_TS_SYNC_2 3 3V_DEMOD_TU TU_GND_B IF_P_TU FE_DEMOD1_TS_VAL_1 TU_SIF Demod_Core FE_DEMOD1_TS_1_DATA 6 I2C_SCL_D_TU FE_DEMOD1_TS_DATA 2 TU_GND_B TU6702 2 TDJM G305D TU_M_AJ 1 3 3V 2 NC_1 3 NC_2 4 SCL_RF 5 SDA_RF 6 NC_3 7 NC_4 8 SIF 9 CVBS 10 NC_5 11 3 3V_RF 12 ERROR 1...

Page 53: ...50V LNB R6904 0 A_GND C6902 0 22uF 25V LNB R6903 39K 1 16W 1 LNB C6908 0 1uF LNB_Allegro LNB_OUT I2C_SCL2 A_GND C6907 10uF 25V LNB A_GND IC6900 1 A8303SESTR T LNB_Allegro 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND C6910 0 1uF 50V LNB C6901 33pF LNB D6902 40V LNB_SUZHOU D6901 1 30V SS23L ...

Page 54: ...0_L R7115 4 7K OPT TXDBN1_L R7120 33 OPT C7105 0 1uF PANEL_VX1 LOCKAn_IN 3 3V_NORMAL C7114 0 1uF PANEL_VX1 3 3V_NORMAL 3 3V_NORMAL TXDBP6_L TXDBP2_L TCON_I2C_EN C7103 0 1uF PANEL_VX1 R7101 10K Non_INX LOCKAn C7117 0 1uF PANEL_VX1 3 3V_NORMAL Q7100 T2N7002AK VX1_FET_TOSHIBA S G D Q7100 1 2N7002KA EBK62072501 VX1_FET_KEC G D S Q7101 1 2N7002KA EBK62072501 VX1_FET_KEC G D S R7136 10K OPT R7118 10K OP...

Page 55: ...XDAN7_L C7207 0 1uF PANEL_VX1_41P_WAFER C7215 0 1uF PANEL_VX1_41P_WAFER TXDAP2_L TXDAP3_L C7211 0 1uF PANEL_VX1_41P_WAFER R7201 0 OPT C7201 0 1uF PANEL_VX1_41P_WAFER TXDAP0_L C7202 0 1uF PANEL_VX1_41P_WAFER TXDAN2_L TXDAN4_L C7214 0 1uF PANEL_VX1_41P_WAFER C7209 0 1uF PANEL_VX1_41P_WAFER TXDAN3_L C7210 0 1uF PANEL_VX1_41P_WAFER TXDAN1_L TXDAP4_L P7200 SP14 11592 01 41Pin PANEL_VX1_41P_WAFER 1 2 3 ...

Page 56: ..._76 L13 NC_77 L14 NC_78 M1 NC_79 M2 NC_80 M3 NC_81 M7 NC_82 M8 NC_83 M9 NC_84 M10 NC_85 M11 NC_86 M12 NC_87 M13 NC_88 M14 NC_89 N1 NC_90 N3 NC_91 N6 NC_92 N7 NC_93 N8 NC_94 N9 NC_95 N10 NC_96 N11 NC_97 N12 NC_98 N13 NC_99 N14 NC_100 P1 NC_101 P2 NC_102 P8 NC_103 P9 NC_104 P11 NC_105 P12 NC_106 P13 NC_107 P14 DAT7 EMMC_VDDI AR8100 0 1 16W DVDD18_EMMC EMMC_RESET_BALL EMMC_CLK EMMC_DATA 3 EMMC_RST AR...

Page 57: ... RS232C C11202 0 1uF RS232C 3 5V_ST C11201 0 1uF RS232C SOC_RX RIN1 SOC_TX IC11200 MAX3232CDR EAN41348201 RS232C 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC AR11200 100 1 16W RS232C C11203 0 1uF RS232C DOUT1 C11204 0 1uF RS232C VA11200 OPT EAF61630102 VA11201 OPT EAF61630102 R11200 1K 1 16W 5 R11201 1K 1 16W 5 RS 232C Control INTERFACE...

Page 58: ...204 M13504 SMD_HDMI2 MDS62110204 M13505 SMD_HDMI3 MDS62110204 M13506 SMD_LAN MDS62110204 M13507 SMD_CVBS COMP MDS62110204 M13508 SMD_TUNER MDS62110204 M13509 SMD_HDMI4 1 5V_DDR D1V0 CPU_1V0 C13500 22uF 10V OPT C13501 22uF 10V OPT C13502 22uF 10V OPT C13503 22uF 10V OPT C13504 22uF 10V OPT C13505 22uF 10V OPT C13506 0 1uF 16V OPT C13507 0 1uF 16V OPT C13508 0 1uF 16V OPT C13509 0 1uF 16V OPT MDS621...

Page 59: ......

Page 60: ...TROUBLE SHOOTING GUIDE Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 61: ...viewing power auto on off 7 8 C Audio error No audio Normal video 8 9 Wrecked audio discontinuation noise 9 10 D Function error Remote control Local switch checking 10 MR15R operating checking 11 11 12 Wifi operating checking 12 13 External device recognition error 13 14 E Noise Circuit noise mechanical noise 14 15 F Exterior error Exterior defect 15 First of all Check whether there is SVC Bulleti...

Page 62: ...ts End Always check record S W Version and White Balance value before replacing the Main Board Replace Main Board Re enter White Balance value Precaution Established date Standard Repair Process Revised date 1 16 OLED TV Error symptom A Video error No video Normal audio A9 A1 A9 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D LVDS Cable S...

Page 63: ...replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A9 Established date Revised date 2 16 Error symptom 2 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 64: ...tal signal level meter By using Diagnostics menu on OSD All Settings Channels Channel Tuning Manual Tuning Check the Signal Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y Contact with signal distributor or broadcaster Cable or Air N Normal Picture Y Close N A4 Standard Repair Process Established date Revised date 3 16 Error symptom 3 N OLED TV Y Close N S W Upgrade S...

Page 65: ...ck external device and cable Y External device Cable normal HDMI error Check external device and cable Replace Main T con B D Replace Main T con B D N N A Video error Color error A6 N Y End Replace module Request repair for external device cable Color error A7 Standard Repair Process Established date Revised date 4 16 Error symptom 4 OLED TV Copyright 2016 LG Electronics Inc All rights reserved On...

Page 66: ...VI by connecting Jig pattern Generator Set top Box etc N Y Replace Main T con B D Screen normal Check screen condition by input External Input Component HDMI DVI Request repair for external device Component error HDMI DVI Connect other external device and cable Check normal operation of External Input Component RGB and HDMI DVI by connecting Jig pattern Generator Set top Box etc Replace Main T con...

Page 67: ...each output of Power B D N Y Normal voltage Replace Main B D Y OK Replace Main B D N Y Normal Check ST BY 3 5V Replace Power B D N Y Normal voltage Replace Power B D Y A8 A9 A9 A9 Standard Repair Process Established date Revised date 6 16 Error symptom 6 Stand By Red or Turn On Operating Turn Off Close OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purp...

Page 68: ...Y Power off by REMOTE CONTROL POWER_OFF_BY_OFF_TIMER Power off by OFF TIMER POWER_OFF_BY_SLEEP_TIMER Power off by SLEEP TIMER POWER_OFF_BY_INSTOP Power off by INSTOP KEY POWER_OFF_BY_AUTO_OFF Power off by AUTO OFF POWER_OFF_BY_ON_TIMER Power off by ON TIMER POWER_OFF_BY_RS232C Power off by RS232C POWER_OFF_BY_RESREC Power off by Reservated Record POWER_OFF_BY_RECEND Power off by End of Recording P...

Page 69: ...nd repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A11 A12 A9 Disconnection Established date Revised date 8 16 Error symptom Standard Repair Process 8 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ...nnect and check other external device N Y Normal audio Check and fix external device Replace Power B D N Y Normal voltage Check input signal RF External Input signal Signal normal When RF signal is not received Request repair to external cable ANT provider Y Check audio B Voltage 24V Replace Main B D In case of External Input signal error Check and fix external device Replace Main B D N End Establ...

Page 71: ...aterry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A13 Normal Voltage Close N N Check 13v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A9 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A13 Replace Main B D Y A13 Standard Repair Process Established date Revised date 10 16 Error symptom 10 Y OLED...

Page 72: ... ok message N N N Y Replace MR15R Turn off on the set and press the wheel Press the back key about 5sec If you conduct the loop at 3times change the MR15R Y Check the INSTART menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Down load the Firmware INSTART MENU 12 RF Remocon Test 3 Firmware download Y RF Receiver ver is 00 00 N A14 A4 A4 OLED TV Close Close Close Close Copyright 201...

Page 73: ...ction N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 Error symptom 12 Change the Wifi assy Normal Voltage Y Y N Replace Main B D Wi Fi Mac value is NG N A15 A4 A4 A15 OLED TV Close Close Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 74: ...ernal device cable HDMI DVI Optical Recognition error Replace Main B D Replace Main B D Fix in accordance with technical information D Function error External device recognition error Established date Revised date 14 16 Error symptom Standard Repair Process 13 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 75: ...he solution manual For models without any fix information provide the description Mechanical noise is a natural phenomenon and apply the 1st level description When the customer does not agree apply the process by stage Describe the basis of the description in Part related to nose in the Owner s Manual E Noise Circuit noise mechanical noise Established date Revised date 15 16 Error symptom Standard...

Page 76: ...ce remote control Remote control damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 Error symptom Standard Repair Process 15 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 77: ...gnal strength checking method A3 4 Version checking method A4 5 Tuner Checking Part A5 6 A Video error _Vertical Horizontal bar residual image light spot Connection diagram A6 7 A Video error_ Color error Check Link Cable EPI reconnection condition A7 8 Appendix Defected Type caused by T Con Inverter Module Exchange Module 1 A 1 2 Exchange Module 2 A 2 2 Copyright 2016 LG Electronics Inc All right...

Page 78: ...hod A10 12 C Audio error_ No audio Normal video Checking method in menu when there is no audio A11 13 Voltage and speaker checking method when there is no audio A12 14 D Function error Remote control operation checking method A13 15 Motion Remote operation checking method A14 16 Wifi operation checking method A15 17 E Etc Tool option changing method A16 Copyright 2016 LG Electronics Inc All rights...

Page 79: ...1 lock LED light with naked eye A Video error_No video Normal audio OLED TV A1 After Remove the Rear Cover turning on the power and check with the naked eye Whetehr you can see light from locations Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 80: ...io A2 Entry method 1 Press the ADJ button on the remote control for adjustment 2 Enter into White Balance of item 12 3 After recording the R G B GAIN Cut value of Color Temp Cool Medium Warm re enter the value after replacing the MAIN BOARD OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 81: ...Video error video lag stop A3 Established date Revised date Error symptom Content A3 All Settings Channels Channel Tuning When the signal is strong use the attenuator 10dB 15dB 20dB etc OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 82: ...ag stop 1 Checking method for remote control for adjustment Version A4 Established date Revised date Error symptom Content A4 Press the IN START with the remote control for adjustment OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 83: ...ror symptom Content A5 OLED TV Checking method 1 Check the signal strength or check whether the screen is normal when the external device is connected 2 After measuring each voltage from power supply finally replace the MAIN BOARD Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 84: ...ontal bar residual image light spot A6 Established date Revised date Error symptom Content A6 As the part connecting to the external input check the screen condition by signal OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 85: ...ion A Video error_Color error A7 Established date Revised date Error symptom Content A7 Check the contact condition of the Link Cable especially dust or mis insertion OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 86: ...l display Line Dim Crosstalk Crosstalk Press damage Brightness difference Burnt Un repairable Cases In this case please exchange the module Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 87: ...please exchange the module Angle view Color difference Brightness dot noise Half dead Green Noise on power on off time Line Defect Mura Brightness difference Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 88: ...ay Logo B Power error _No power A8 Established date Revised date Error symptom Content A8 ST BY condition On or Off Power ON condition Turn Off OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 89: ...echnical Manual Revised date A9 Error symptom Content Check power input voltage B Power error _No power A9 Check the DC 24V 13V OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 90: ...ng A10 Established date Revised date Error symptom Content A10 Entry method 1 Press the IN START button of the remote control for adjustment 2 Check the entry into adjustment item 3 power On Off Status OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 91: ... A11 Established date Revised date Error symptom Content A11 Checking method 1 Press the Setting button on the remote control 2 Select the Sound function of the Menu 3 Select the Sound Out 4 Select TV Speaker OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 92: ...Main Board Measure the 24V input voltage supplied from Power Board If there is no input voltage remove and check the connector Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal 1 SPK_R _FT 2 SPK_R _FT 3 SPK_L _FT 4 SPK_L _FT 5 SPK_R _TW 6 SPK_R _TW 7 SPK_L _TW 8 SPK_L _TW OLED TV Copyright 2016 LG Ele...

Page 93: ...Error symptom Content A13 P4001 1 GND 2 KEY1 3 KEY2 4 3 5V_ST 5 GND 6 LOGO_LIGHT 7 IR 8 GND 9 EYE_SCL 10 EYE_SDA Checking order 1 2 Check IR cable condition between IR Main board 3 Check the st by 3 5V on the terminal 4 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 94: ...DA P4101 1 GND 2 BT_RESET 3 3D_SYNC_RF 4 WOL WIFI_POWER_ON 5 GND 6 WIFI_DP 7 WIFI_DM 8 3 5V_WIFI Checking order 1 Check IR cable condition between IR Main board 2 Check WIFI Combo cable condition between WIFI Combo Assy Main board 3 Check the st by 3 5V P4102 on the terminal 4 4 Check the 3 5V_WIFI P4101 on the terminal 8 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for train...

Page 95: ...nction error P4000 1 GND 2 M_RFModule_RESET 3 NOT USE 4 WOL WIFI_POWER_ON 5 GND 6 WIFI_DP 7 WIFI_DM 8 3 5V_WIFI Checking order 1 2 Check Wifi cable condition between Wifi assy Main board 3 Check the 3 3V on the terminal 8 OLED TV Copyright 2016 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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