LG 55EG9100 Page 49 Service Manual Download | 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.

SIDE_HP_MUTE

TP6100

2011.09.29

HEADPHONE AMP

61

PAGE 20

EARPHONE AMP

Copyright © 2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes

LGE Internal Use Only

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Summary of Contents for 55EG9100

Page 1: ...ODEL 55EG9100 55EG9100 UB CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL OLED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ...ights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 BLOCK DIAGRAM 20 EXPLODED VIEW 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: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing 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 prevent e...

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: ...followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC 4 Model General Specification No Item Specification Remarks 1 Receiving System ATSC NTSC M 64 QAM 256 QAM North America ...

Page 7: ...olution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode Proposed 1 1280 720 45 00 60 00 74 25 2D to 3D Side by Side Top and Bottom HDTV 720P 2 1280 720 44 96 59 94 74 176 2D to 3D Side by Side Top and Bottom HDTV 720P 3 1920 1080 33 75 60 00 74 25 2D to 3D Side by Side Top and Bottom HDTV 1080I 4 1920 1080 33 72 59 94 74 176 2D to 3D Side by Side Top and Bottom HDTV 1080I 5 1920 1080 6...

Page 8: ... 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 33 75 60 00 74 25 HDTV 1080I 8 1920 1080 33 72 59 94 74 176 HDTV 1080I 9 1920 1080 67 50 60 00 148 50 HDTV 1080P 10 1920 1080 67 432 59 94 148 352 HDTV 1080P 11 1920 1080 27 00 24 00 74 25 HDTV 1080P 12 1920 1080 26 97 23 976 74 176 HDTV 1080P 13 1920 1080 33 75 30 000 74 25 HDTV 1080P 14 1920 1080 33 71 29 97 74 176 HDTV 1080P 5 4 3D HDMI Input 1 4b N...

Page 9: ...ide by side Top and Bottom Checkerboard Row Interleaving Column Interleaving Frame Sequential Photo Side by side Top and Bottom HDTV 1080P No Resolution H freq kHz V freq Hz Pixel clock MHz 3D input proposed mode 1 Under 704 480 2D to 3D 2 Over 704 480i 2D to 3D Side by Side Half Top Bottom 3 Over 704 480p 50 60 2D to 3D Side by Side Half Top Bottom Checker Board Row Interleaving Column Interleavi...

Page 10: ... input proposed mode 1 1280 720 45 000 60 74 25 HDTV 720P 2D to 3D Side by Side Top Bottom 2 1920 1080 33 75 60 74 25 HDTV 1080I 2D to 3D Side by Side Top Bottom 9 2D to 3D Conversion All Input No INPUT Freq Resolution 1 Digital TV Analog TV 2D Support freq 2D Support resolution 2 HDMI 2D Support freq 2D Support resolution 3 Component 2D Support freq 2D Support resolution 4 Composite 2D Support fr...

Page 11: ... 3 Adjustment items 3 1 Main PCBA Adjustments 1 ADC adjustment Component 480i 1080p 2 EDID downloads for HDMI Remark Above adjustment items can be also performed in Final Assembly if needed Adjustment items in both PCBA and final assembly stages can be checked by using the INSTART Menu 1 ADJUST CHECK 3 2 Final assembly adjustment 1 White Balance adjustment 2 RS 232C functionality check 3 Factory O...

Page 12: ...a realization of Plug and Play 4 4 2 Equipment 1 Since EDID data is embedded EDID download JIG HDMI cable and D sub cable are not need 2 Adjust by using remote controller 4 4 3 Download method 1 Press Adj key on the Adj R C 2 Select EDID D L menu 3 By pressing Enter key EDID download will begin 4 If Download is successful OK is display but If Download is failure NG is displayed 5 If Download is fa...

Page 13: ...ailable Color Analyzer Matrix should be calibrated using CS 1000 5 1 3 Equipment connection 5 1 4 Adjustment Command Protocol 1 RS 232C Command used during auto adj 2 Adjustment Map 5 1 5 Adjustment method 5 1 5 1 Auto WB calibration 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 a...

Page 14: ...Adjust 100 IRE White Balance 6 Adjust Gamam 2 2 each IRE 60 40 20 Using max luminance 7 Complete 4 point gamma W B Picture is H 1 3 V 1 3 fixed Center Window size Outer Black Picture do not need change Contrast Brightness Center Level can change Contrast Bright Window pattern of Center 0 255 level 5 1 6 Reference White Balance Adj coordinate and color temperature Luminance 204 Gray 80IRE Standard ...

Page 15: ...in start 5 5 3D Module inspection 5 5 1 Test equipment 1 Pattern Generator MSHG 600 or MSPG 6100 HDMI 1 4 support 2 Pattern HDMI mode model No 872 pattern No 83 5 5 2 Test method 1 Input 3D test signal as Fig 1 2 Press OK key as a 3D input OSD is shown 3 Check pattern as Fig2 without 3D glasses 3D mode without 3D glasses 5 6 HDMI ARC Function Inspection 5 6 1 Test equipment Optic Receiver Speaker ...

Page 16: ...ight main speakers must be 50 3 When you click the second the output volume of left right main speakers must be 80 4 When you click the third the output volume of left right main speakers must be 100 5 When you click the fourth the output volume of left main speaker must be 50 6 When you click the fifth the output volume of right main speaker must be 50 Applied to 55EA88 9700 until here 7 Joystick...

Page 17: ... is failed Buzzer operates If Test is passed GOOD Lamp on and move to next process automatically 9 3 Checkpoint TEST voltage GND 1 5 KV min at 100 mA SIGNAL 3 KV min at 100 mA TEST time 1 second TEST POINT GND TEST POWER CORD GND SIGNAL CABLE METAL GND Hi pot TEST POWER CORD GND LIVE NEUTRAL LEAKAGE CURRENT At 0 5 mArms 10 USB S W Download Service only 1 Put the USB Stick to the USB socket 2 Autom...

Page 18: ...ST POWER CORD GND LIVE NEUTRAL LEAKAGE CURRENT At 0 5 mArms 8 USB S W Download Service only 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Lower it didn t work But your downloaded version is Higher USB data is automatically detecting Download Version High Power only mode Set is automatically Download 3 Sho...

Page 19: ... LED CH14 OLED CH17 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remocon 4 Video Signal Generator MSPG 925F 720p 216 Gray Model 217 Pattern 78 9 1 3 Adjustment 1 Set TV in Adj mode using POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10cm of the surface 3 Press ADJ key EZ adjust using adj R C 6 White Balance then press t...

Page 20: ... 20 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM 1 M14 Block Diagram ...

Page 21: ... 21 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 2 M14 I2C Block Diagram ...

Page 22: ... 22 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 3 M14 Block Diagram ...

Page 23: ... 23 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 4 Tuner Block Diagram ...

Page 24: ... 24 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 5 Video Audio In Block Diagram ...

Page 25: ... 25 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 6 Audio Out Block Diagram ...

Page 26: ... 26 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 7 HDMI ...

Page 27: ... 27 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 8 Panel Interface Block Diagram ...

Page 28: ... 28 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes 9 USB 2 0 WIFI BT IR KEY EYE ...

Page 29: ...VIEW Many electrical and mechanical parts in this chassis have special safety related 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 Shock Fire or other Hazards Do not modify the original design without permission of manufact...

Page 30: ..._NORMAL R174 200 1 3 3V_NORMAL R173 200 1 OPM1 SOC_RX AR100 33 1 16W C101 10pF C102 10pF 5V_NORMAL R11033 10K NON_CI R11034 10K NON_CI IC103 2 BR24G256FJ 3 NVRAM_ROHM 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC X101 24MHz 4 GND_2 1 X TAL_1 2 GND_1 3 X TAL_2 AR102 3 3K AR103 3 3K AR104 3 3K AR105 33 IC101 LG1311V C1 XIN_MAIN B23 XO_MAIN A23 PORES_N AG21 BOOT_MODE AJ18 PLLSET0 AB8 PLLSET1 AC8 OPM0 A...

Page 31: ... 10K ODT_46_ohm MODEL_OPT_13 R233 10K ODT_55_ohm R239 10K OPT MODEL_OPT_15 R237 10K OPT MODEL_OPT_14 R240 10K OPT R236 10K R235 10K OPT MODEL_OPT_16 R238 10K TU_RESET2 IC101 LG1311V C1 TP_DVB_CLK AH30 TP_DVB_SOP AH32 TP_DVB_VAL AH31 TP_DVB_ERR AH33 TP_DVB_DATA7 AM33 TP_DVB_DATA6 AL32 TP_DVB_DATA5 AL33 TP_DVB_DATA4 AK32 TP_DVB_DATA3 AK33 TP_DVB_DATA2 AK31 TP_DVB_DATA1 AJ30 TP_DVB_DATA0 AJ31 STPI0_C...

Page 32: ...7uF 10V COMP1_Y_IN_SOC SCART_LOUT_SOC R360 33 IF_N AUAD_R_CH3_IN CK _HDMI2 SMARTCARD_VCC SD_EMMC_CMD C339 100pF 50V OPT SMARTCARD_DET SD_EMMC_DATA 3 D1 _HDMI3 CK _HDMI3 D0 _HDMI3 D2 _HDMI3 D2 _HDMI3 CK _HDMI3 D0 _HDMI3 D1 _HDMI3 HDMI_HPD_3 DDC_SDA_3 DDC_SCL_3 5V_HDMI_3_SOC D0 _HDMI3 D2 _HDMI3 D1 _HDMI3 CK _HDMI3 HDMI_HPD_3 D2 _HDMI3 CK _HDMI3 DDC_SDA_3 D0 _HDMI3 DDC_SCL_3 D1 _HDMI3 5V_HDMI_3_SOC T...

Page 33: ...L5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 A14 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 ...

Page 34: ...C_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQ0 E3 DQ1 F7 DQ2 F2 DQ3 F8 DQ4 H3 DQ5 H8 DQ6 G2 DQ7 H7 DQ8 D7 DQ9 C3 DQ10 C8 DQ11 C2 DQ12 A7 DQ13 A2 DQ14 B8 DQ15 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 ...

Page 35: ..._2 W12 AVDD11_C4TX_3 Y12 AVDD11_C4TX_4 AA12 DVDD11_XTAL G18 DVDD11_DR3PLL H18 DVDD11_CVBSPLL AF23 AVDD11_DMD_1 AF24 AVDD11_DMD_2 AF25 DVDD18_EMMC_1 L26 DVDD18_EMMC_2 M26 IC101 LG1311V C1 GND_1 B22 GND_2 B24 GND_3 C22 GND_4 C23 GND_5 C24 GND_6 D4 GND_7 D5 GND_8 D6 GND_9 D20 GND_10 D21 GND_11 E6 GND_12 E20 GND_13 E21 GND_14 F6 GND_15 F7 GND_16 F8 GND_17 F18 GND_18 F19 GND_19 F20 GND_20 F21 GND_21 G7...

Page 36: ...CAM_INPACK_N AR703 33 CI R715 100 CI TPI_DATA 4 CI_TS_DATA 3 CI_TS_DATA 6 EB_ADDR 13 EB_ADDR 4 PCM_OE CI_TS_DATA 0 AR707 100 CI CI_TS_CLK PCM_IRQA C708 12pF 50V OPT AR712 33 CI CI_ADDR 6 EB_ADDR 1 EB_ADDR 0 PCM_WE CI_ADDR 1 CI_DATA 0 7 R722 10K CI CI_ADDR 5 TPI_SOP CI_IN_TS_VAL PCM_INPACK R721 33 OPT EB_BE_N1 5V_CI_ON CI_IN_TS_DATA 2 EB_ADDR 14 CI_IN_TS_VAL CI_ADDR 14 PCM_OE CI_ADDR 10 AR714 33 CI...

Page 37: ...2323 430K 1 16W 1 C2338 0 1uF 50V 5V_NORMAL 3 3V_NORMAL L2304 UBW2012 121F IC2306 BD48K28G RESET_IC_ROHM 1 GND 2 VOUT 3 VDD C2356 22uF 10V R2335 10K IC2305 BD9A300MUV 1 PVIN_1 3 PGND_1 7 ITH 9 SS 10 SW_1 11 SW_2 12 SW_3 13 BOOT 14 PGD 15 EN 16 AVIN 5 AGND 8 MODE 6 FB 4 PGND_2 2 PVIN_2 17 EP FIN R2319 4 7 1 16W 5 R2303 10K R2350 51K 1 16W 1 Q2300 MMBT3906 NXP 1 2 3 IC2307 BD48K28G RESET_IC_ROHM 1 G...

Page 38: ...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 ANI0 AVREFP 33 P130 34 P01 TO00 RXD1 35 P00 TI00 TXD1 36 P140 PCLBUZ0 INTP6 37 P120 ANI19 38 P41 TI07 TO07 39 P40 TOOL0 40 RESET 41 P124 XT2 EXCLKS 42 P123 XT1 43 P137 INTP0 44 P122 X2 EXCLK 45 P121 X1 46 REGC 47 VSS 48 VD...

Page 39: ...C C3203 10uF 10V MHL IC3203 M24C02 RMN6T HDMI_EXT_EDID_ST 3 E2 2 E1 4 VSS 1 E0 5 SDA 6 SCL 7 WC 8 VCC C3201 0 1uF MHL C3223 0 047uF 25V MHL R3271 4 7K HDMI_EXT_EDID HDMI_HPD_4 DDC_SCL_1 R3248 1K OPT Q3208 MMBT3904 NXP MHL E B C C3228 22uF 10V OPT CK _HDMI4 R3249 3 9K OPT 3 5V_ST C3202 1uF 10V 3 3V_NORMAL VDD3V3_HDMI D2 _HDMI4 DDC_SCL_1 5V_HDMI_1 R3274 1K 1 16W 5 MHL VA3212 ESD_HDMI_Amotech D3205 H...

Page 40: ...411 1000pF COMP2_Y_IN_SOC_SOY COMP1_Pr R3409 33 VA3406 5 6V VA3405 5 5V R3406 10K COMP_Y_PULLUP C3410 0 047uF JK3402 PEJ038 4G6 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 COMP2_Y_IN_SOC VA3404 5 6V R3410 1K 1 16W 5 R3408 75 3216 C3408 18pF 50V R3405 10K VA3407 5 5V COMP1_DET 3 3V_NORMAL VA3400 5 5V 3 3V_NORMAL R3403 100 COMP1 AV1 DVI_L_IN VA3403 5 6V VA3402 5 6V AV1_CVBS_IN_SOC C3404 150pF COMP1 AV1 DVI_...

Page 41: ...HT R4005 10K 5 R4003 10 JP4000 KEY2 R4009 10K 1 IR EYE_SCL 3 5V_ST R4002 1K LOGO_LIGHT 3 5V_WIFI WIFI_DP JP4004 C4013 0 1uF 16V D4000 RCLAMP0502BA WIFI_DMDP_ESD C4005 5pF 50V R4013 33 C4000 0 1uF C4010 0 1uF OPT C4011 0 1uF OPT C4002 3300pF 50V Q4000 MMBT3904 NXP LOGO_LIGHT E B C 3 5V_ST R4001 100 3 5V_WIFI R4006 10K OPT KEY1 IC4000 AP2191WG 7 3 FLG 2 GND 4 EN 1 OUT 5 IN 3 5V_ST C4003 0 1uF C4009 ...

Page 42: ...V USB_ESD_SD05 5V_USB_3 USB_DP3 USB_DP2 JK4300 3AU04S 305 ZC LG 1 2 3 4 5 C4323 22uF 10V C4311 22uF 10V C4322 10uF 10V C4310 10uF 10V D4302 RCLAMP0582B USB_ESD_0582B D4300 RCLAMP0582B USB_ESD_0582B D4302 1 RCLAMP0502BA USB_ESD_0502BA D4300 1 RCLAMP0502BA USB_ESD_0502BA D4302 2 DF3D6 8MS Multi_Toshiba D4300 2 DF3D6 8MS Multi_Toshiba R4303 2 2 R4304 2 2 R4301 1 R4302 1 MID_LG1311 1 2014 05 28 USB 2 ...

Page 43: ...K4500 3AU04S 305 ZC LG 1 2 3 4 5 D4501 5V USB_ESD_SD05 C4502 22uF 10V OPT R4502 14K 1 IC4500 BD2242G 3 EN 2 GND 4 OC 1 VIN 6 VOUT 5 ILIM R4501 4 7K C4501 10uF 10V D4500 RCLAMP0582B USB_ESD_0582B D4500 1 RCLAMP0502BA USB_ESD_0502BA D4500 2 DF3D6 8MS Multi_Toshiba USB_DM1 USB_DP1 R4519 2 2 R4518 2 2 USB_DP1 USB_DM1 1 MID_LG1311 USB 1 DVR 2014 05 28 PAGE 14 USB3 2 0 MAX 1 5A OCP USB3 value change 10K...

Page 44: ...603 5 5V EU SC_G SC_CVBS_IN DTV MNT_R_OUT VA4606 5 6V EU SC_R_IN SC_L_IN SC_ID SC_FB JK4600 DA1R018H91E EU 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 G_OUT 11 R_GND 12 R_OUT 13 RGB_IO 14 SYNC_GND 15 SYNC_OUT 16 SYNC_IN 17 COM_GND 18 AV_DET 19 SHIELD VA4600 20V EU L4601 BLM18PG121SN1D EU SC_R VA4607 5 6V EU VA4605 5 5V EU C4604 0 1uF EU SC_DET ...

Page 45: ...HE SCHEMETIC VA5001 5 5V EPHY_TDN R5000 0 EPHY_TDP LAN_JACK_POWER C5000 0 1uF 16V JK5000 BS RSD0303 R1 P1 CT R2 P2 TD R3 P3 TD R4 P4 RD R5 P5 RD R6 P6 CT R7 P7 R8 P8 16 SHIELD R9 9 R11 P11 R10 P10 GND P1 YL_C P2 YL_A P3 GN_C P4 GN_A VA5000 5 5V C5002 0 1uF 16V EPHY_RDP VA5002 5 5V EPHY_RDN C5001 0 01uF 50V C5003 0 01uF 50V VA5003 5 5V PAGE 16 Ethernet Block EMI Copyright 2015 LG Electronics Inc Al...

Page 46: ...10OUT 30 AVDD33_2 31 CKXTAL1 32 CKXTAL2 5 MDI 1 8 RXDV 6 MDI 1 4 MDI 0 2 AVDD10OUT 33 EP R5204 2 49K 1 C5200 4 7uF 10V ET_COL SNI R5200 3 3K R5202 1M OPT LAN_JACK_POWER C5208 0 1uF 16V C5211 0 1uF 16V ET_COL SNI EPHY_TDP EPHY_ACTIVITY EPHY_RXD0 EPHY_RDP 3 5V_WOL EPHY_RXD1 EPHY_CRS_DV R5217 3 3K EPHY_TXD1 EPHY_MDC C5204 0 1uF C5209 33pF EPHY_TXD0 R5210 33 R5209 51 C5201 0 1uF 16V R5223 33 IC5201 AP...

Page 47: ...3V_NORMAL C5605 22000pF 50V AMP_RESET_N POWER_DET R5601 10K AMP_MUTE_MICOM AUD_LRCH I2C_SDA1 L5602 NRS6045T100MMGK 10 0uH R5608 4 7K C5610 1uF 10V C5608 22000pF 50V C5617 0 47uF 50V R5603 3 3 1 10W C5612 390pF 50V 3 3V_NORMAL L5605 NRS6045T100MMGK 10 0uH 24V_AMP SPK_L 10uF C5607 25V SPK_L AMP_MUTE SPK_R R5690 100 AMP_MUTE_PWR_DET L5604 NRS6045T100MMGK 10 0uH SPK_R L5600 UBW2012 121F L5601 BLM18PG1...

Page 48: ...T_MUTE_NXP E B C Q6001 MMBT3904 NXP EU E B C SCART_ROUT R6011 2 2K EU L6000 EU R6008 33K EU R6002 470K OPT R6000 2 2K EU C6000 1uF 25V EU DTV MNT_R_OUT SCART_MUTE SCART_LOUT C6004 0 1uF 50V EU R6004 33K EU DTV MNT_L_OUT DTV MNT_L_OUT R6001 10K EU Q6000 MMBT3904 NXP EU E B C R6014 1K EU IC6000 AZ4580MTR E1 EU 3 IN1 2 IN1 4 VEE 1 OUT1 5 IN2 6 IN2 7 OUT2 8 VCC C6003 33pF EU C6001 4 7uF 10V EU R6003 1...

Page 49: ...OCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SIDE_HP_MUTE TP6100 2011 09 29 HEADPHONE AMP 61 PAGE 20 EARPHONE AMP Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 50: ...ACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC PCM_5V_CTL 5V_CI_ON IC6200 AP2151WG 7 CI 3 FLG 2 GND 4 EN 1 OUT 5 IN 5V_NORMAL R6219 10K CI C6210 1uF 25V CI R6218 10K CI R6217 100 CI C6211 0 1uF 16V CI PAGE 21 CI POWER ENABLE CONTROL Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 51: ...MMC_DATA 1 R6317 1 2K JAPAN R6300 22 JAPAN R6315 1 2K JAPAN L6301 BLM18PG121SN1D JAPAN C6300 0 1uF 16V JAPAN SMARTCARD_CLK SD_EMMC_DATA 0 R6306 OPT R6318 1 2K OPT R6305 2 7K JAPAN L6300 BLM18PG121SN1D JAPAN C6301 10uF 10V JAPAN AR6300 33 JAPAN 3 3V_NORMAL 3 3V_NORMAL C6306 0 1uF 16V JAPAN C6302 0 1uF 16V JAPAN 3 3V_NORMAL R6314 1K JAPAN SMARTCARD_RST SD_EMMC_DATA 2 C6303 0 1uF 16V JAPAN R6319 1 2K...

Page 52: ..._ERROR R6501 100 TU_M W FE_DEMOD1_TS_DATA 5 IF_AGC_TU TU_CVBS RF_SWITCH_CTL R6507 1K OPT FE_DEMOD1_TS_ERROR L6503 BLM18PG121SN1D TU_M W 3 3V_NORMAL FE_DEMOD1_TS_DATA 6 LNB_TX L6500 BLM18PG121SN1D C6507 0 1uF 16V TU_M W FE_DEMOD2_TS_DATA C6502 0 1uF 16V TU_ALL_IntDemod_H15 FE_DEMOD2_TS_SYNC R6516 200 TU_ALL_2178B I2C_SCL6 3 3V_NORMAL R6506 1K TU_ALL_IntDemod C6519 33pF C6503 47pF 50V OPT C6505 47pF...

Page 53: ...MOD 26 B2 3 3V 27 SCL_DEMOD 28 B3 1 2V 29 NC_6 30 SDA_DEMOD 47 SHIELD B1 B1 A1 A1 TU6702 1 TDJM G355D TU_M_AJ 1 B1 3 3V 2 NC_1 3 AIF_AGC 4 SCL_RF 5 SDA_RF 6 AIF P 7 AIF N 8 SIF 9 CVBS 10 NC_2 11 B2 3 3V 12 ERROR 13 GND 14 MCLK 15 SYNC 16 VALID 17 DATA0 18 DATA1 19 DATA2 20 DATA3 21 DATA4 22 DATA5 23 DATA6 24 DATA7 25 RESET_DEMOD 26 B3 3 3V 27 SCL_DEMOD 28 B4 1 2V 29 NC_3 30 SDA_DEMOD 47 SHIELD B1 ...

Page 54: ...B Q6901 PMV48XP G D S C6913 0 1uF 50V C6914 0 1uF 50V Q6902 MMBT3904 NXP E B C R6910 10K 1 16W 5 C6915 4 7uF 10V OPT 12V_M 12V R6909 150K R6908 36K 3 3V_NORMAL IC6900 1 A8303SESTR T 4M 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 L6900 15uH LPH6050T 150M R LNB AR6901 33 LNB IC6...

Page 55: ...05 22 TXBCLKP TX2P C7200 0 1uF C7208 10uF 16V OPT TXA2N TX9N TXC0N TX23N LED_R TXD3N TX13N TXA0P TX11P TXB4N TX0N TXA2P TX9P P7200 FI RE51S HF J R1500 LVDS_Vby1 1 VCC 2 VCC 3 VCC 4 VCC 5 NC 6 GND 7 GND 8 GND 9 GND 10 RS_DONE 11 ELVDD_ON 12 BURNT_DET 13 I2C_SDA 14 I2C_SCL 15 NC 16 NC 17 NC 18 NC 19 NC 20 MODULE_20V_DET 21 LVDS_SEL 22 NC 23 NC 24 GND 25 GND 26 LOCKN 27 GND 28 TX1N 29 TX1P 30 GND 31 ...

Page 56: ..._68 K3 NC_69 K12 NC_70 K13 NC_71 K14 NC_72 L1 NC_73 L2 NC_74 L3 NC_75 L12 NC_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_103 P8 NC_104 P9 NC_105 P11 NC_106 P12 NC_107 P13 NC_108 P14 IC8100 THGBMBG...

Page 57: ..._GASKET GASKET_8 0X6 0X4 5H MDS62110208 M10004 GASKET_8 0X6 0X4 5H SMD_GASKET MDS62110208 M10005 SMD_GASKET GASKET_8 0X6 0X4 5H MDS62110208 M10006 SMD_GASKET GASKET_8 0X6 0X4 5H MDS62110208 M10007 SMD_GASKET GASKET_8 0X6 0X4 5H MDS62110217 M10009 SMD_GASKET GASKET_8 0X6 0X12 5H MDS62110217 M10010 SMD_GASKET GASKET_8 0X6 0X12 5H MDS62110217 M10011 SMD_GASKET GASKET_8 0X6 0X12 5H MDS62110217 M10012 ...

Page 58: ...C6808 0 1uF RS232C C6809 0 1uF RS232C C6810 0 1uF RS232C SOC_RX R6821 100 RS232C 3 5V_ST C6813 0 1uF RS232C IC6801 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 R6820 100 RS232C SOC_TX ZD6802 ADUC 20S 02 010L 20V OPT C6811 0 1uF RS232C JK6800 PEJ038 3B6 RS232C 3 DETECT 4 L 5 GND 1 R PAGE 32 RS 232C Control I...

Page 59: ...C315 4 7uF EU R319 75 1 EU 1005 C307 10pF 50V OPT COMP1_Y_IN_SOC SC_ID SC_L_IN R339 100K EU SC_CVBS_IN_SOY R320 10K 1 EU SC_B R316 2 7K EU L302 EU 1uH C362 0 1uF EU R302 75 EU SC_ID_SOC C363 0 1uF EU AUAD_R_CH2_IN SC_CVBS_IN C329 2 2uF 10V EU C320 0 047uF EU SC_CVBS_IN_SOY SC_R R331 33 EU AUAD_L_CH2_IN R313 75 1 EU 1005 3 3V_NORMAL C326 0 047uF EU COMP1_PB_IN_SOC DTV MNT_V_OUT_SOC C327 1000pF EU R...

Page 60: ......

Page 61: ...OLED TV Repair Guide 15 years New Models Applicable Model 55EG9100 UB Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 62: ...y EMMC Memory 2 3 Micom for Key IR sensing Audio AMP 1 2 3 Front Spk To PSU Module FFC IR Color Sensor Jog Logo Assy Bluetooth Wifi Combo assy Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...onnection 1 1 Main PCB 2 PSU 3 WIFI BT Combo ASSY 4 IR Logo Jog ASSY PCBs 55EG9100 UB 4 1 2 3 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 64: ...CHECK the vby1 LED and Module supply voltage A Video error_No video Normal audio LCD TV A1 Red LED signal means video output is good Vx1 signal is locked Check the Module supply voltage 24V Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 65: ...item 6 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 Entry method 1 Press the ADJ button on the remote controller for adjustment 2 Enter into White Balance of item 11 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 Copyright 2015 LG Electronics I...

Page 66: ...0dB etc Standard Repair Process Detail Technical Manual TUNER input signal strength checking method A Video error_Video error video lag stop A3 Established date Revised date Error symptom Content LCD TV A3 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 67: ... lag stop 1 Checking method for remote controller for adjustment Press the IN START with the remote controller for adjustment Version A4 Established date Revised date Error symptom Content LCD TV A4 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 68: ...voltage from power supply finally replace the MAIN BOARD Standard Repair Process Detail Technical Manual TUNER checking part A Video error_Video error video lag stop A5 Established date Revised date Error symptom Content LCD TV A5 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 69: ...Horizontal bar residual image light spot As the part connecting to the external input check the screen condition by signal A6 Established date Revised date Error symptom Content LCD TV A6 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 70: ... Video error_Color error Check the contact condition of the Link Cable especially dust or mis insertion A7 Established date Revised date Error symptom Content LCD TV A7 2013 01 31 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 71: ...sidual image 3 MODULE error ADD BAR SCAN BAR 4 Video error Classification of MODULE or Main B D A8 Established date Revised date Error symptom Content LCD TV A8 How to check 1 Swap button click 2 CH Click pattern change If you want to turn off the pattern Turn off the power by DC Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 72: ...Dim Crosstalk Crosstalk Press damage Brightness difference Burnt A 1 2 Un repairable Cases In this case please exchange the module Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 73: ...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 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 74: ...power A17 Established date Revised date Error symptom Content LCD TV A17 ST BY condition On or Off Power ON condition Turn Off Front LED control Menu Option Standby Light ON Off Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 75: ...anual Revised date A18 Error symptom Content Check power input voltage and ST BY 3 5V B Power error _No power LCD TV A18 Check the DC 24V 12V 3 5V Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 76: ... item 3 Standard Repair Process Detail Technical Manual POWER OFF MODE checking method B Power error _Off when on off whiling viewing A19 Established date Revised date Error symptom Content LCD TV A19 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 77: ...g 4 Select TV Speaker Standard Repair Process Detail Technical Manual Checking method in menu when there is no audio C Audio error_No audio Normal video A20 Established date Revised date Error symptom Content LCD TV A20 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 78: ...e speaker terminal and if you hear the Chik Chik sound when you touch the GND and output terminal the speaker is normal Standard Repair Process Detail Technical Manual Voltage and speaker checking method when there is no audio C Audio error_No audio Normal video A21 Established date Revised date Error symptom Content LCD TV A21 Copyright 2015 LG Electronics Inc All rights reserved Only for trainin...

Page 79: ... normal when the Analog Tester needle moves slowly and defective when it does not move at all Standard Repair Process Detail Technical Manual Remote controller operation checking method D Function error A22 Established date Revised date Error symptom Content LCD TV A22 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 80: ...n the terminal 4 Standard Repair Process Detail Technical Manual Motion Remote operation checking method Established date Revised date Error symptom Content LCD TV A23 A23 D Function error Wifi BT Combo Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 81: ...sed date Error symptom Content LCD TV D Function error Checking order 1 2 Check the 3 5V_ WOL WIFI_POWER_ON on the terminal 4 3 Check the WIFI Channel WIFI SPEED MAC USB2 0 PASS Wifi BT Combo Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 82: ...Camera operation checking method A25 Established date Revised date Error symptom Content LCD TV D Function error 55EG9100 UB NO Camera Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 83: ...r 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 MR13 operating checking 11 11 12 Wifi operating checking 12 13 Camera operating checking 13 14 External device recognition error 14 15 E Noise Circuit noise mechanical noise 15 16 F Exterior error Exterior defect 16 First of all Check whether t...

Page 84: ...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 LCD TV Error symptom A Video error No video Normal audio A18 A1 A18 A4 A2 First of all Check whether all of cables between board is inserted properly or not Main B D Power B D EPI Cable Spea...

Page 85: ...and replace MAIN B D Y Replace Power Board and repair parts N End Standard Repair Process A Video error No video No audio A18 Established date Revised date 2 16 LCD TV Error symptom 2 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 86: ...D Check Tuner soldering Normal Picture Y N Y Close Y Close By using Digital signal level meter By using Diagnostics menu on OSD Setting Set up 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...

Page 87: ...rnal device and cable Y External device Cable normal HDMI error Check external device and cable Replace Main B D Replace Main B D N N A Video error Color error A6 N Y End Replace module Request repair for external device cable Color error Check Test pattern A8 A7 Standard Repair Process Established date Revised date 4 16 LCD TV Error symptom 4 Copyright 2015 LG Electronics Inc All rights reserved ...

Page 88: ... connecting Jig pattern Generator Set top Box etc N Y Replace Main 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 B D Screen norma...

Page 89: ...ch 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 A17 A18 A18 A18 Standard Repair Process Established date Revised date 6 16 LCD TV Error symptom 6 Stand By Red or Turn Off Operating Turn Off Close Copyright 2015 LG Electronics Inc All rights reserved Only for training and service pu...

Page 90: ... off by REMOTE CONTROL POWEROFF_OFFTIMER Power off by OFF TIMER POWEROFF_SLEEPTIMER Power off by SLEEP TIMER POWEROFF_INSTOP Power off by INSTOP KEY POWEROFF_AUTOOFF Power off by AUTO OFF POWEROFF_ONTIMER Power off by ON TIMER POWEROFF_20V_DET Power off by AC OFF POWEROFF_RESREC Power off by Reservated Record POWEROFF_RECEND Power off by End of Recording POWEROFF_SWDOWN Power off by S W Download P...

Page 91: ...d repair parts Check Speaker disconnection N Y Replace Speaker Replace MAIN Board End C Audio error No audio Normal video A20 A21 A18 Disconnection Established date Revised date 8 16 LCD TV Error symptom Standard Repair Process 8 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 92: ...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 93: ...terry of R C Check Repair Cable connection Connector solder Normal operating Check B 3 5V On Main B D A22 Normal Voltage Close N N Check 3 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A18 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A22 Replace Main B D Y A22 Standard Repair Process Established date Revised date 10 16 LCD TV Error symptom 1...

Page 94: ...vised date 11 16 LCD TV Error symptom 11 Replace MR13 Turn off on the set and press the wheel Press the back key about 5sec Close If you conduct the loop at 3times change the MR13 P Y Check the INSTART menu RF Receiver ver is 00 00 Y Check Repair RF assy connection N Down load the Firmware INSTART MENU 02 11 Remocon Test 3 Firmware download Y RF Receiver ver is 00 00 N Close A23 A4 A4 Copyright 20...

Page 95: ...ction N Check the Wifi wafer 1pin Standard Repair Process Established date Revised date 12 16 LCD TV Error symptom 12 Change the Wifi assy Normal Voltage Close Y Y N Replace Main B D Wi Fi Mac value is NG N Close A24 A4 A4 A24 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 96: ...on N Check the Camera wafer P4200 2pin Standard Repair Process Established date Revised date 13 16 LCD TV Error symptom 13 Change the Camera assy Normal Voltage Close Y Y N Replace Camera B D Camera Ver is NG N Close A25 A4 A4 A25 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 97: ...ternal 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 LCD TV Error symptom Standard Repair Process 14 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 98: ...e solution manual For models without any fix information provide the description OR 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 LCD TV Error symptom...

Page 99: ...remote controller Remote controller damage Stand dent Replace stand F Exterior defect Exterior defect Established date Revised date 16 16 LCD TV Error symptom Standard Repair Process 16 Copyright 2015 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 100: ...6 Tuner Checking Part A5 7 A Video error _Vertical Horizontal bar residual image light spot LCD TV connection diagram A6 8 A Video error_ Color error Check Link Cable EPI reconnection condition A7 9 Adjustment Test pattern ADJ Key A8 10 Appendix Defected Type caused by T Con Inverter Module Exchange Main Board 1 A 1 5 11 Exchange Main Board 2 A 2 5 12 Exchange Power Board PSU A 3 5 13 Exchange Mod...

Page 101: ...dio Normal video Checking method in menu when there is no audio A20 20 Voltage and speaker checking method when there is no audio A21 21 D Function error Remote controller operation checking method A22 22 Motion Remote operation checking method A23 23 Wifi operation checking method A24 24 Camera operation checking method A25 25 E Etc Tool option changing method A26 Continued from previous page Cop...

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