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LG 47LE8500 Service Manual
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LG 47LE8500 Service Manual

LG 47LE8500 Service Manual

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LCD TV

SERVICE MANUAL

CHASSIS : LA02E
MODEL : 47LE8500
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL62863216 (1003-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
47LE8500-UA
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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Summary of Contents for LG 47LE8500

  • Page 1: Service Manual

    Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com LCD TV SERVICE MANUAL CHASSIS : LA02E MODEL : 47LE8500 47LE8500-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL62863216 (1003-REV00) Printed in Korea...
  • Page 3 47LE8500 EXPLODED VIEW PARTS LIST ITEM PART No DESCRIPTION EAB60961501 Speaker (Full Range) EN0870D-6784 ND 10W 8OHM 78DB 150HZ 188x20x18 EAJ60874401 TFT Panel (Includes Inverter boards) AFB72950101 Inverters (LED Driver Boards) Master and Slave ABJ72988502 Cabinet Assembly Ft Frame MAZ62064801...
  • Page 4 COMPONENT/AV REAR JACK JK100 PPJ237-01 D3.3V COMPONENT2 [RD1]E-LUG D3.3V R108 R113 2.7K [RD1]O-SPRING REAR_AV_DET R116 D104 C105 9:G3 R119 2.7K 5.6V 100pF [RD1]CONTACT COMP2_DET 9:G5 D113 C115 C104 5.6V 100pF REAR AV REAR_AV_R_IN [WH1]O-SPRING C109 D105 10:B5 100pF 5.6V [YL1]CONTACT C101 REAR_AV_L_IN [YL1]O-SPRING...
  • Page 5 HDMI SWITCH 1.8V POWER 1.8V FOR HDMI SW +1.8V_HDMI D1.8V Q200 AO3438 EBK60752601 C200 4 . 7 u F R201 POWER_ON/OFF2_1 R200 120K S e p e r a t e d f r o m C o m m o n s h e e t 8 3 N .

  • Page 6: Usb Block

    EARPHONE BLOCK USB BLOCK +3.3V_NORMAL USB2 +3.3V_NORMAL EARPHONE AMP L302 10uH IC301 +5V_USB AP2191SG-13 L301 R320 8 NC MLB-201209-0120P-N2 4.7K C315 C317 IN_1 7 OUT_2 10uF 0 . 1 u F 120-ohm IN_2 6 OUT_1 USB(DVR Ready) L304 R308 BG2012B080TF C311 5 FLG C313...
  • Page 7 SIDE COMPONENT LINE C400 0 . 1 u F 86:M25 SIDE_COMP_Y SIDE_COMP-Y 1 1 : C 4 ; 1 1 : D 4 C401 0 . 1 u F 86:M21 SIDE_COMP_Pr SIDE_COMP-Pr 1 1 : C 4 ; 1 1 : D 4 C402 0 .
  • Page 8 SMD GASKET FOR EMI (8*6*5.5 FOR LE5400/5500/7500) SMD GASKET FOR EMI (8*6*12.5T) GASKET on the Bottom GASKET_12.5T SMD GASKET FOR EMI (8*6*7.5 FOR LE8500) SMD GASKET FOR EMI (8*6* 9.5T) GASKET on the Bottom GASKET_9.5T D r a w b o t t o m l o c a t i o n w h e n m a k e a n e w p c b GAS11 GAS5 GAS5...
  • Page 9 BCM-DDR A1.2V * DDR2 1.8V By CAP - Place these Caps near Memory * DDR2 1.8V By CAP - Place these Caps near Memory IC900 LGE3549XQ (B2 VERSION) D1.8V D1.8V 0 . 1 u F C656 DDR_BVDD0 0 . 1 u F C657 DDR_BVDD1 DDR_BVSS0...
  • Page 10 ATSC TUNER CHB OPTION +5V_TU R738 R739 CVBS_CHB_SEARCH 1 1 : C 4 ; A I 6 Q703 ISA1530AC1 CHB OPTION +3.3V_TU +5V_TU R712 R713 R705 3.3K 3.3K SCL0_3.3V TU701 R731 R735 100 R706 TDTD-V055F SDA0_3.3V C710 C714 R726 47pF 47pF +1.8V_TU CVBS_CHB...

  • Page 11: Nand Flash Memory

    W i r e l e s s I 2 C c o n n e c t i o n w i t h I 2 C _ 3 HIGH P W I Z P a n n e l T - c o n SDA3_3.3V with LG FRC A d d r e s s : 0 X 2 0 R622 SCL3_3.3V...
  • Page 12 BCM3549 LVDS/AUDIO IC900 LGE3549XQ (B2 VERSION) BCM LVDS P l a c e c l o s e t o B C M CHB Interface R1015 9 4 : E 7 1 5 : F 7 ; 1 5 : I 3 CHB_CLK_OUT PKT0_CLK LVDS_TX_0_DATA0_P...
  • Page 13 BCM3549 VIDEO +5V_NORMAL IC900 R929 R921 R928 AUDIO OUT 7 : T 1 1 M_IF_AGC LGE3549XQ (B2 VERSION) C909 C912 0 . 0 1 u F 0 . 1 u F AC20 DS_AGCI_CTL I2S_CLK_IN AD20 R934 0 . 0 1 u F C913 7 : T 1 0 M_IF_N...
  • Page 14 BCM3549 POWER D1.2V IC900 IC900 LGE3549XQ (B2 VERSION) D1.2V C1053 C1058 C1062 C1068 C1075 C1081 C1087 C1090 C1096 LGE3549XQ (B2 VERSION) 0 . 1 u F 4 . 7 u F 1000pF 0 . 0 1 u F 0 . 1 u F 10uF 10uF 33uF...
  • Page 15 P u t n e a r t o I C 1 5 0 4 P u t n e a r t o I C 9 0 0 C h a n n e l B r o w s e r #ALL CHB OPTION# +1.8V_TU +1.8V_ADC...
  • Page 16 M o t i o n R e m o t e c o n t r o l l e r M o t i o n R e m o c o n I n t e r f a c e P2000 +3.3V_NORMAL 12507WR-08L...
  • Page 17 MINI-LVDS FROM LG5111 [LEFT FFC Connector to Module RIGHT Conn] [RIFHT FFC Connector to Module LEFT Conn] ( 6 0 P i n M i n i - L V D S ) ( 6 0 P i n M i n i - L V D S ) P7501 P7500 104060-6017...
  • Page 18 [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 33pF 33pF 33pF 33pF 33pF 33pF 33pF 33pF...
  • Page 19 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 +5V_NORMAL 20V-->3.5V +3.5V_ST R8068 M2_MOSI 24V-->3.48V 100K R8004 12V-->3.58V 4.7K NORMAL_26~55 IC8007 R8000 P8000 ST_3.5V-->3.5V MAX 350mA +24V +5V_NORMAL NCP803SN293 RL_ON FW20020-24S +12V Q8000 IC8003 R8081 2SC3052...
  • Page 20 +3.5V_ST R8146 C8101 C8102 MICOM_DOWNLOAD 13pF 13pF X8100 10MHz R8138 R8139 X8101 32.768KHz R8175 +3.5V_ST 1 0 M h z C r y s t a l 4.7M f o r D e b u g g e r SW8100 +3.5V_ST JTP-1127WEM +3.5V_ST...
  • Page 21 +3.5V_ST EYEQ IR & KEY R8225 D8204 NEC_EEPROM_SCL P8200 CDS3C05HDMI1 5.6V R8213 12507WR-12L R8211 C8213 1000pF L8200 R8209 BLM18PG121SN1D EYEQ KEY1 R8226 L8201 R8210 D8201 NEC_EEPROM_SDA BLM18PG121SN1D 5.6V KEY2 C8214 D8205 AMOTECH CDS3C05HDMI1 C8206 1000pF C8207 5.6V 0 . 1 u F 0 .
  • Page 22 * 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 4.7K SHIELD 5V_HPD1 4.7K KRC104S KRC104S Q8306 Q8302 5V_HDMI_4 C8324 5V_HDMI_1 +3.5V_ST R8316 R8302 HP_DET 0 . 1 u F HP_DET D8311 D8305...
  • Page 23 RGB PC IC8401-*1 +5V_NORMAL R1EX24002ASAS0A IC8400 74F08D +5V_NORMAL D8409 ENKMC2838-T112 C8401 0.1uF R8401 RGB_EDID_RENESAS RGB_HSYNC IC8401 RGB_VSYNC M24C02-RMN6T R8402 R8420 R8422 7 WC EDID_WP R8416 6 SCL RGB_DDC_SCL R8415 RGB_DDC_SDA 0IMMR00014A RGB_EDID_ST R8406 +3.3V_NORMAL R8405 BCM Reference R8424 R8408 R8425 DSUB_B DSUB_DET R8409...
  • Page 24 SIDE_GENDER SIDE COMPONENT PHONE JACK R8610 270nH SIDE_COMP_Y 4 : E 1 9 D8604 5.5V +3.3V_NORMAL C8613 0 . 1 u F SIDE_COMP_INCM JK8601 N e a r J KJA-PH-1-0177 R8600 Run Along SIDE_COMP_Y_IN,SIDE_COMP_Pr_IN,SIDE_COMP_Pb_IN Trace R8604 M5_GND SIDE_COMP_DET 9 : F 5 ; 9 : G 5 C8604 D8606 100pF...
  • Page 25 WIRELESS READY JK8700 KJA-PH-3-0168 W i r e l e s s p o w e r 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 DETECT +3.3V_NORMAL C8700 R8704 INTERRUPT 0 . 1 u F C8701 2 . 2 u F GND_1 R8714 RESET...
  • Page 26 +24V +24V_AMP L8803 MLB-201209-0120P-N2 C8827 0 . 1 u F +1.8V_AMP +3.3V_NORMAL CCFL = 20V IC8800 AP1117E18G-13 Edge_LED 32~47 Inch = 20V ADJ/GND Vd=1.4V 120 mA 5 5 I n c h & I O P M o d u l e = 2 4 V C8800 C8803 C8802...
  • Page 27 +1.5V_MEMC D1.5V_DDR3 D1.5V_DDR3 DDR3 1.5V By CAP - Place these Caps near Memory L8900 C8902 C8904 10uF 0 . 1 u F +3.3V_MEMC Close to DDR Power Pin +3.3V_MEMC +12V IC8903 AOZ1072AI L8905 3.6uH PGND LX_2 L8902 D1.5V_DDR3 CIC21J501NE D1.5V_DDR3 NR8040T3R6N LX_1 C8942...
  • Page 28 IC9301 IC9301 +1.8V_RXVDD +1.8V_PLL LG5111 LG5111 +1.8V_RXVDD C9312 C9318 C9324 C9331 C9338 C9345 C9362 C9368 C9304 C9307 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 . 1 u F 0 .
  • Page 29 C9038 C9039 FRC OPTION 20pF 20pF X9000 HIGH MIRROR MINI_LVDS NON_GIP SCANNING NON_L.D. NON_SCANNING NON_MIRROR LVDS L . D . 12MHz S e r i a l F l a s h R9029 LOCAL DIMMING LG5111 DO MIRROR & MINI_LVDS OUTPUT +3.3V_MEMC +3.3V_MEMC IC9000-*1...
  • Page 30 D9103 [ L E V E L S h i f t B l o c k ] MMSD4148T1G [POWER Block] VDD_LCM (+16V) 100V VCC_LCM CHECK Value!! ( + 3 . 3 V ) T o r e d u c e 16.00V R9156 R9165...
  • Page 31 INDEX SHEET 001 COMOPNENT/AV REAR SHEET 031 SHEET 073 BLANK NOT USE M u s t b e i n c l u d e d SHEET 002 HDMI_POWER SHEET 074 URSA3 120HZ MINI-LVDS i n a n y P C B SHEET 003 USB/EAR-PHONE SHEET 075...