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LG 47LE8500 Service Manual
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LG 47LE8500 Service Manual

LG 47LE8500 Service Manual

Led lcd tv
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See also: Owner's Manual , Manual
LED LCD TV
SERVICE MANUAL
CHASSIS : LC03J
47LE8500
MODEL :
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
North/Latin America
Europe/Africa
Asia/Oceania
47LE8500-CA
/I
P
MENU
OK
INPUT
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com

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Summary of Contents for LG 47LE8500

  • Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LED LCD TV SERVICE MANUAL CHASSIS : LC03J 47LE8500 47LE8500-CA MODEL : CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU INPUT...

  • Page 2: Table Of Contents

    PRODUCT SAFETY ................. 3 SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ..............7 BLOCK DIAGRAM...................14 EXPLODED VIEW .................. 16 SVC. SHEET ....................Copyright © 2010 LG Electronics. Inc. All rights reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Product Safety

    An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright © 2010 LG Electronics. Inc. All rights reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 4: Specification

    With inverter Pixel Pitch 0.5415 (H) x 0.5415 (V) Back Light LED(EDGE) Display Colors 1.06 B(true) colors Coating Copyright © 2010 LG Electronics. Inc. All rights reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 47.72 59.8 84.75 WXGA 1280*1024 63.595 60.0 108.875 SXGA FHD model 1920*1080 66.587 59.93 138.625 WUXGA FHD model Copyright © 2010 LG Electronics. Inc. All rights reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
  • Page 6 59.8 84.75 WXGA HDCP 1280*1024 63.595 60.0 108.875 SXGA HDCP/FHD model 1920*1080 67.5 60.00 138.625 WUXGA HDCP/FHD model Copyright © 2010 LG Electronics. Inc. All rights reserved. - 6 - LGE Internal Use Only Only for training and service purposes...

  • Page 7: Adjustment Instruction

    - Pattern : Horizontal 100% Color Bar Pattern - Pattern level : 0.7±0.1 Vp-p Connect: PCBA Jig-> RS-232C Port== PC-> RS-232C Port - Image Copyright © 2010 LG Electronics. Inc. All rights reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 Po w e r I n p u t Power Input Blo ck Liquid Crys tal Row Li ne Copyright © 2010 LG Electronics. Inc. All rights reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 6) If ADC calibration is failure, after recheck ADC pattern or displayed (ex 42LE7500-CB) condition retry calibration Error message refer to 5). Copyright © 2010 LG Electronics. Inc. All rights reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 * If TV internal pattern is used, not needed Item Condition Data(Hex) Manufacturer ID 1E6D Version Digital : 1 Revision Digital : 3 Copyright © 2010 LG Electronics. Inc. All rights reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 R-Gain using no signal or Full-white pattern. G-Gain B-Gain R-Cut G-Cut B-Cut Warm R-Gain G-Gain B-Gain R-Cut G-Cut Copyright © 2010 LG Electronics. Inc. All rights reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
  • Page 12 - Internal Pressure TEST = POWER CORD GND & LIVE & your hand and wait for 6 seconds NEUTRAL • LEAKAGE CURRENT: At 0.5 mArms Copyright © 2010 LG Electronics. Inc. All rights reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 1) Push "IN-START" key in service remote control. 2) Select "Tool Option 1" and Push “OK” button. 3) Punch in the number. (Each model has their number.) Copyright © 2010 LG Electronics. Inc. All rights reserved. - 13 - LGE Internal Use Only...

  • Page 14: Block Diagram

    BLOCK DIAGRAM Copyright © 2010 LG Electronics. Inc. All rights reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
  • Page 15 Copyright © 2010 LG Electronics. Inc. All rights reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 +3.3V_NORMAL 00 : No ECC HIGH PWIZ Pannel T-con 01 : 1 ECC Bit NC_11 I/O0 NAND_DATA[0] with LG FRC 10 : 4 ECC Bit 11 : 8 ECC Bit NC_12 NC_19 NAND_IO[4] : CPU Endian (0) NC_13 NC_18 0 : Little Endian...
  • Page 18 When usding FUNDMENTAl then series R = 0 ohm and CL = 8 pF IC100 54MHz X-TAL When usding Dip-type X-tal then series R = 22 ohm and CL = 12 pF LGE3556C (C0 VERSION) NON_3D FE_TS_DATA_CLK PKT0_CLK LVDS_TX_0_DATA0_P LVDS_TX_1_DATA4_N013:E7;035:AK20 FE_TS_SERIAL PKT0_DATA LVDS_TX_0_DATA0_N...
  • Page 19 D1.2V D3.3V Place here for common circuit with ATSC D1.2V +1.8V_AMP +1.8V_HDMI +3.3V_NORMAL A3.3V C245 C255 C377 C375 C263 C373 C267 C289 C291 L111 C383 C246 C378 C376 C259 C374 C366 C266 C288 C290 4.7uF 1000pF 0.01uF 0.1uF 4.7uF 1000pF 0.01uF 0.1uF 10uF...
  • Page 20 D1.8V NON_3D A1.2V IC100 D1.8V LGE3556C (C0 VERSION) 0.1uF C403 DDR_BVDD0 0.1uF C404 DDR_BVDD1 DDR_BVSS0 DDR_BVSS1 DDR_PLL_TEST R411 DDR_PLL_LDO DDR01_CKE DDR_VTT DDR01_CKE R412 IC400 IC402 DDR_COMP DDR1_DQ[0-7] DDR01_ODT NT5TU128M8DE_BD NT5TU128M8DE_BD DDR01_ODT DDR0_DQ[0-7] 004:B6 004:B5 DDR_EXT_CLK DDR01_A[0-3,7-13] 004:A7;004:F4 DDR0_CLK 004:C7;004:C4 004:A7;004:C4 DDR0_CLK DDR1_CLK DDR0_CLK...
  • Page 21 POWER BLOCK BUFFER FOR MAIN TS_OUTPUT +3.3V_TU +3.3V_TU IC1401 IC1403 +1.2V_TU SC4215ISTRT +1.2V_TU_CHB +3.3V_TU SC4215ISTRT +3.3V_TU_CHB NC_1 NC_1 R1437 R1480 R1479 Q1406 R1434 MAIN_FE_TS_DATA[0-7],MAIN_FE_TS_SYNC,MAIN_FE_TS_VAL_ERR,MAIN_FE_TS_DATA_CLK /CI_SEL R1433 2SC3875S(ALY) 1/10W IC1400 001:F8 5.1K 1/10W 74LVC16244ADGG 5.1K 1608 1608 C1447 CI_OUTCLK,CI_OUTDATA[0-7],CI_OUTSTART,CI_OUTVALID 0.1uF C1427 NC_2 NC_3 0.1uF...
  • Page 22 POWER for CHB VIDEO DECODER for CHB +1.8V_NORMAL_CHB +1.8V_NORMAL_CHB +1.8V_ADC +3.3V_TU +3.3V_ADC L1503 BLM18PG121SN1D +1.8V_ADC C1527 C1531 +3.3V_ADC TW9910_DATA[0-7] 10uF 0.1uF IC1503 +1.8V_ADC AP1117E18G-13 L1500 ADJ/GND BLM18PG121SN1D C1501 0.1uF VDDE_1 VD[7] AR1500 R1501 SCLK VD[8] TW9910_DATA[0] +1.8V_CHB SCL0_3.3V R1502 SDAT VD[9] TW9910_DATA[1] L1504...
  • Page 23 CI POWER ENABLE CONTROL +5V_NORMAL Q1601 +5V_CI_Vs RSR025P03 C1610 C1609 C1607 0.1uF 47uF 0.1uF 4.7uF CI CONTROL BUFFER R1612 AR1606 CI_A[0] CI_A[1] CI_A[2] R1615 CI_A[3] 2.2K D3.3V D3.3V AR1608 IC1600 R1613 MC74LCX541DTR2G CI_A[4] Q1600 CI_5V_CTL CI_A[5] 2SC3052 /CI_SEL 007:H5 CI_A[6] 007:H7 [GP27] EBI_CS...
  • Page 24 Motion Remote controller Motion Remocon Interface P1700 +3.3V_NORMAL +3.3V_NORMAL 12507WR-08L L1700 120-ohm BLM18PG121SN1D R1700 M_REMOTE_RX 9:F3;9:G4 R1701 M_REMOTE_TX 9:F3;9:G4 R1702 M_RFMODULE_RESET 9:F3;9:G4 R1703 9:F3;9:G3 R1712 R1704 DEMOD_RESET M_RFMODULE_RESET 9:F3;9:G3 @optio ALL M_REMOTE OPTION SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
  • Page 25 COMPONENT +3.3V_NORMAL R1817 SCART1_Lout_N R1820 SCART1_DET SCART1_Lout_P D1802 C1802 5.6V 100pF SCART1_Rout_P L1800 270nH SC1_G SCART1_Rout_N [GN]E-LUG C1810 C1811 D1806 27pF 5.1V 27pF [GN]O-SPRING DTV_ATV_SELECT D1807 5.1V [GN]CONTACT L1804 270nH [BL]E-LUG-S SC1_B C1824 C1826 DTV/MNT_V_OUT 27pF 27pF [BL]O-SPRING L1805 [RD]E-LUG-S 270nH SC1_R [RD]O-SPRING_1...
  • Page 26 New Item Development EARPHONE BLOCK HP_LOUT @xrefL C1902 1000pF R1900 JK1900 Q1900 +3.3V_NORMAL KJA-PH-0-0177 MMBT3904-(F) MMBT3904-(F) Q1903 R1902 DETECT HP_ROUT HP_DET @xrefL C1903 1000pF Q1901 R1901 MMBT3904-(F) MMBT3904-(F) +3.5V_ST Q1902 R1903 SIDE_HP_MUTE COMPONENT2 Rear CVBS COMP2_DET REAR_AV_CVBS R1907 COMP2_Y REAR_AV REAR_AV C1905 D1904...
  • Page 27 USB2 OPTION +3.3V_NORMAL USB / DVR Ready IC2202 +5V_USB AP2191SG-13 R2220 L2202 1 GND 4.7K MLB-201209-0120P-N2 OUT_2 2 IN_1 120-ohm OUT_1 3 IN_2 C2220 C2218 C2222 4 EN 10uF 100uF R2226 0.1uF EAN60921001 2.7K USB_CTL1 KJA-UB-4-0004 JK2201 /USB_OCD1 R2225 USB_DM1 USB_DP1 R2202 D2201...
  • Page 28 BLUETOOTH +3.3V_NORMAL BCM BT MODULE C1898 BLUETOOTH FOR BCM BCM BT MODULER1886 BCM BT MODULE R1887 R1888 BT_ON/OFF 4.7K 2SC3052 Q1800 BCM BT MODULE BCM BT MODULE BCM BT MODULE C1899 22uF R1896 BT_DM BCM BT MODULE D1899 CDS3C05HDMI1 5.6V BCM BT MODULE R1897 BT_DP...
  • Page 29 [Right FFC Connector] [LEFT FFC Connector] (60Pin Mini-LVDS) (60Pin Mini-LVDS) P7500 P7501 104060-6017 104060-6017 TM240Hz TM240Hz 0 NON_GIP R7510 GCLK4/OPT_P VGH_M GMA1 Z_OUT R7511 0 MINI_LVDS GMA1 Z_OUT (+25V) GMA3 CLK1 GMA3 CLK1 GMA4 CLK2 GMA4 CLK2 GMA6 CLK3 GMA6 CLK3 R7512 0 NON_GIP...
  • Page 30 [To MASTER LED DRIVER] P7900 12507WR-10L L_VS M0_MOSI M0_SCLK +3.3V_NORMAL M1_MOSI M1_SCLK R7907 R7908 R7909 3.3K 3.3K 3.3K Edge Edge Edge R7904 S_CS_N R7905 S_MOSI R7906 S_SCLK C7901 C7903 C7905 C7907 C7909 C7911 C7913 C7914 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF...
  • Page 31 FROM LIPS & POWER B/D L_VS R_VS MO_SCLK +3.5V_ST RT1P141C-T112 M2_SCLK 15V-->3.6V +12V +3.5V_ST Q8002 MO_MOSI 20V-->3.5V +3.5V_ST R8068 M2_MOSI 24V-->3.48V 100K R8004 +24V 12V-->3.58V 4.7K NORMAL_26~52 IC8007 R8000 P8000 +5V_NORMAL ST_3.5V-->3.5V NCP803SN293 FW20020-24S RL_ON Q8000 2SC3052 R8081 POWER_DET Power_DET RESET L8005 400Hz_VSYNC/42_47_LOCAL DIMMING...
  • Page 32 +3.5V_ST MICOM_DOWNLOAD 15pF 15pF R8146 C8101 C8102 X8101-*1 10MHz 32.768KHz X8100 MICOM_EPSON R8138 R8139 X8101 32.768KHz R8175 4.7M +3.5V_ST for Debugger SW8100 JTP-1127WEM P8100 +3.5V_ST C8103 12505WS-12A00 0.1uF C8108 0.1uF MICOM_RESET NEC_ISP_Tx NEC_ISP_Rx R8186 1/16W OCD1A EDID_WP OCD1B Q8100 FLMD0 2SC3052 R8104 10K P60/SCL0...
  • Page 33 +3.5V_ST EYEQ R8225 IR & KEY D8204 NEC_EEPROM_SCL P8200 CDS3C05HDMI1 5.6V 12507WR-12L R8213 R8211 C8213 1000pF L8200 R8209 BLM18PG121SN1D EYEQ KEY1 R8226 L8201 R8210 D8201 BLM18PG121SN1D NEC_EEPROM_SDA 5.6V D8205 KEY2 C8214 AMOTECH CDS3C05HDMI1 1000pF C8206 C8207 5.6V 0.1uF 0.1uF D8200 5.6V AMOTECH +3.5V_ST...
  • Page 34 * HDMI CEC +3.3V_HDMI +3.3V_NORMAL JACK_GND D8302 D8308 KRC104S HDMI_HPD_4 KRC104S HDMI_HPD_1 L8300 5.5V 5.5V Q8307 Q8305 BLM18PG121SN1D R8321 R8311 5V_HPD4 SHIELD 5V_HPD1 4.7K 4.7K KRC104S KRC104S Q8306 Q8302 5V_HDMI_4 C8324 5V_HDMI_1 +3.5V_ST R8316 R8302 HP_DET 0.1uF HP_DET D8311 D8305 R8317 JP8306 R8307...
  • Page 35 RGB PC IC8401-*1 R1EX24002ASAS0A IC8400 +5V_NORMAL 74F08D +5V_NORMAL D8409 ENKMC2838-T112 C8401 0.1uF R8401 RGB_EDID_RENESAS RGB_HSYNC IC8401 RGB_VSYNC M24C02-RMN6T R8402 R8420 8 VCC R8422 7 WC EDID_WP R8416 6 SCL RGB_DDC_SCL 5 SDA R8415 RGB_DDC_SDA 0IMMR00014A RGB_EDID_ST R8406 D8410 CDS3C05HDMI1 5.6V R8405 +3.3V_NORMAL D8408...
  • Page 36 ALL for SIDE_GENDER option SIDE CVBS PHONE JACK (New Item Developmen) SIDE_AV_CVBS R8603 REAR_AV D8608 C8605 5.1V 47pF JK8600 KJA-PH-1-0177 REAR_AV D8609 M5_GND 5.1V +3.3V_NORMAL R8605 M3_DETECT SIDE_AV_DET R8608 D8601 C8600 5.6V 100pF C8607 R8606 SIDE_AV_L_IN C8611 R8601 D8602 100pF 5.6V 470K C8606...
  • Page 37 WIRELESS READY MODEL JK8700 KJA-PH-3-0168 Wireless power VCC[24V/20V/17V]_1 VCC[24V/20V/17V]_2 VCC[24V/20V/17V]_3 VCC[24V/20V/17V]_4 VCC[24V/20V/17V]_5 +24V VCC[24V/20V/17V]_6 +3.3V_NORMAL DETECT R8704 C8700 C8701 INTERRUPT 0.1uF TP8700 2.2uF GND_1 R8714 RESET TP8701 R8705 Q8701 R8713 GND_2 2.2K L8700 WIRELESS_DETECT AO3407A I2C_SCL R8702 WIRELESS_SCL MLB-201209-0120P-N2 I2C_SDA WIRELESS_PWR_EN WIRELESS_SDA Q8700...
  • Page 38 +24V +24V_AMP L8803 MLB-201209-0120P-N2 C8827 0.1uF +1.8V_AMP +3.3V_NORMAL CCFL = 20V IC8800 AP1117E18G-13 Edge_LED 32~47 Inch = 20V ADJ/GND Vd=1.4V 120 mA 55 Inch & IOP Module = 24V C8800 C8803 C8802 0.1uF 0.1uF 10uF +24V_AMP SPK_L+ D8800 1N4148W R8812 R8819 L8805 100V...
  • Page 39 +1.5V_MEMC D1.5V_DDR3 D1.5V_DDR3 DDR3 1.5V By CAP - Place these Caps near Memory L8900 C8902 C8904 10uF 0.1uF +3.3V_MEMC Close to DDR Power Pin +12V +3.3V_MEMC IC8903 AOZ1072AI L8905 3.6uH PGND LX_2 L8902 D1.5V_DDR3 CIC21J501NE D1.5V_DDR3 NR8040T3R6N LX_1 POWER_ON/OFF2_2 AGND C8942 C8944 22uF...
  • Page 40 IC9301 IC9301 +1.8V_RXVDD +1.8V_PLL LG5111 LG5111 +1.8V_RXVDD C9312 C9318 C9324 C9331 C9338 C9345 C9362 C9368 C9304 C9307 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 27pF 27pF RXA0+ RRXA0+ R1A1P T1A1P RXVDD_18_1 RX_GND_1 RXA0- R1A1M T1A1N RRXA0- RXVDD_18_2 RX_GND_2 X9300 Close to LG5111 LVDS Input PIN 25MHz RXA1+...
  • Page 41 C9038 C9039 FRC OPTION HIGH 22pF 22pF NON_MIRROR MIRROR X9000 LVDS MINI_LVDS 12MHz Serial Flash NON_GIP R9029 SCAN_OFF SCAN_ON NON_LD +3.3V_MEMC +3.3V_MEMC IC9000-*1 +3.3V_MEMC R9017 R9023 W25X40BVSSIG R9018 R9024 DO[IO1] HOLD R9019 R9025 DI[IO0] IC9000 MX25L4005CM2I-12G SW9000 R9020 R9026 URSA3_FLASH_WINBOND_NEW JTP-1127WEM R9000 8 VCC...
  • Page 42 D9103 [LEVEL Shift Block] MMSD4148T1G VDD_LCM [POWER Block] (+16V) VCC_LCM 100V * Voltage Target (+3.3V) CHECK Value!! VDD_LCM = 16.25V 28.50V TCON_42_FHD To reduce R9156 R9165 C9134 C9138 -5.35V 150K Audible noise R9108 0.1uF C9153 To reduce TCON_42_FHD 100uF C9150 R9182 Audible noise C9142...
  • Page 43 42_FHD 32_FHD 37_FHD 91 or 95 R9129-*1 R9130-*1 R9144-*1 R9129-*2 R9130-*2 R9144-*2 91 or 95 220K 220K Sheet Sheet TCON_32_FHD TCON_32_FHD TCON_32_FHD TCON_37_FHD TCON_37_FHD TCON_37_FHD R9131-*2 R9145-*2 R9131-*1 R9145-*1 150K 270K TCON_37_FHD TCON_32_FHD TCON_37_FHD TCON_32_FHD HVDD HVDD HVDD R9156-*1 R9165 OPEN R9126-*1 150K 510K...