LG 47LW6500-UA Service Manual
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LG 47LW6500-UA Service Manual

LG 47LW6500-UA Service Manual

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LED LCD TV

SERVICE MANUAL

CHASSIS : LA12C
MODEL : 47LW6500
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL66980407 (1103-REV00)
North/Latin America
Europe/Africa
Asia/Oceania
47LW6500-UA
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
Printed in Korea

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  • 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 LED LCD TV SERVICE MANUAL CHASSIS : LA12C MODEL : 47LW6500 47LW6500-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL66980407 (1103-REV00) Printed in Korea...

  • Page 2: Table Of Contents

    CONTENTS ....................2 SAFETY PRECAUTIONS ................. 3 SPECIFICATION ..................6 ADJUSTMENT INSTRUCTION .............. 12 EXPLODED VIEW .................. 20 SVC. SHEET ....................Copyright LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Safety Precautions

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

  • Page 4: Servicing Precautions

    Alternatively, obtain and wear a commercially available discharging wrist strap device, which should be removed to prevent potential shock reasons prior to applying power to the Copyright LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes...
  • Page 5 CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board to prevent excessive component temperatures. Copyright LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 6: Specification

    2) Humidity : ~ 80 % Storage Environment 1) Temp : -20 ~ 60 deg 2) Humidity : ~ 85 % Copyright LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes...
  • Page 7 37.879 60.31 40.00 VESA(SVGA) 1024*768 48.363 60.00 65.00 VESA(XGA) 1360*768 47.712 60.015 5.50 VESA(WXGA) 1920*1080 66.587 59.934 138.5 HDTV 1080P Copyright LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...
  • Page 8 HDTV 1080P 1920*1080 26.97 23.976 74.176 HDTV 1080P 1920*1080 33.75 30.000 74.25 HDTV 1080P 1920*1080 33.71 29.97 74.176 HDTV 1080P Copyright LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
  • Page 9 H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) 3D input proposed mode Proposed 1920*1080 67.50 148.50 Side by Side HDTV 1080P Top & Bottom Copyright LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...
  • Page 10 HDTV 1080P Top & Bottom Checkerboard 12. 3D Input Side by Side Top & Bottom Checkerboard Single Frame Sequential Frame Packing Copyright LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
  • Page 11 2D Only Response Time(Gray to Gray) Response Time(MPRT) Response Time(U niformity / MPRT) Response Time(U niformity / G to G) Copyright LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...

  • Page 12: Adjustment Instruction

    (1)Tool option menu, USB Download (S/W Update, Option and Service only) (2) Manual adjustment for ADC calibration and White balance. (3) Shipment conditions, Channel pre-set Copyright LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
  • Page 13 4.2.5. Download 4) Remove LAN CABLE 1) US, Canada models (11Y LCD TV + MAC + Widevine + ESN Key) Copyright LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...
  • Page 14 70 | 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 7F 70 | A0 5A 00 00 00 1A 00 00 00 00 00 00 00 00 00 3F Copyright LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only...
  • Page 15 70 | 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 00 70 | 20 25 00 A0 5A 00 00 00 1A 00 00 00 00 00 00 ED Copyright LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only...
  • Page 16 5.1.6 Reference (White Balance Adj. coordinate and color temperature) (1) Luminance: 204 Gray, 80IRE (2) Standard color coordinate and temperature using CS-1000 (over 26 inch) Copyright LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
  • Page 17 (2) Depending on destination, select KR or US, then on the lower Country option, select US, CA, MX. Selection is done using +, - KEY Copyright LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
  • Page 18 (2) Check a cursor on screen by pressing ‘ENTER” or “OK” key of RCU (3) Stop paring with TV set by pressing “VOL+ (STOP) key. Copyright LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
  • Page 19 TEST program (It’s connected to MSHG-600) * Remark: Inspect in Power Only Mode and check SW version in a master equipment Copyright LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...

  • Page 20: Exploded View

    X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes...
  • Page 21 Pb Free Soldering L 5 1 6 L 5 1 5 JK701 JK704 JK702 JK703 V R 7 0 3 V R 7 0 6 R 7 3 0 R 7 3 7 R 1 1 3 9 R 7 0 8 C 1 2 3 0 C 7 1 4 JK803...
  • Page 23 S t r a p S e t t i n g NAND FLASH MEMORY 8Gbit 1 6 G b i t Boot ROM Device Select - (FA4,FAD7,FAD2,FAD1) +3.3V_Normal +3.3V_Normal +3.3V_Normal 0 0 0 0 : S T M i c r o M 2 5 P o r c o m p a t i b l e S e r i a l F l a s h I C 1 0 2 - * 1 0 0 1 0 : 8 - b i t 5 1 2 M b i t 5 1 2 B p a g e S L C N A N D F l a s h d e v i c e s TH58DVG4S0ETA20...
  • Page 24 +3.3V_Normal USB_AVDD33 +3.3V_Normal HDMI_AVDD33 L212 L216 e x t e r n a l NO_FRC i n t e r n a l LG FRC2 BLM18PG121SN1D BLM18PG121SN1D URSA5 C283 MODEL_OPT_0 C291 C293 0 . 1 u F 4 . 7 u F 0 .
  • Page 25 IC101 LGE35230(BCM35230KFSBG) C320 0 . 1 u F DSUB_R+ C321 0 . 1 u F INCM_R C327 0 . 1 u F R311 DSUB_G+ NON_BCM_CAP C328 0 . 1 u F INCM_G VI_R R317 VI_INCM_R VI_G BCM35230_with_CAP_220pF VI_INCM_G C322 0 . 1 u F DSUB_B+ VI_B C323...
  • Page 26 DUAL COMPONENT IC401,IC402 1ST : EAN61667501, 2ND : EAN61570701 IC401-*1 1ST : T-K4B2G1646B_HCK0, 2ND : T-H5TQ2G63BFR-PBC IC402-*1 DDR STRAP DDR_DQ[0] DDR_DQ[1] DDR_DQ[2] DDR_DQ[3] DDR_DQ[4] +1.5V_DDR +1.5V_DDR NFM18PS105R0J NFM18PS105R0J C410 C432 JEDEC Types : DDR_DQ[0:4] 6.3V 6.3V R401 R403 R405 R407 R409 4.7K 4.7K...
  • Page 27 DUAL COMPONENT +12V PANEL_POWER FROM LIPS & POWER B/D Q501,Q504, 1ST : 0TRIY80001A 2ND : 0TR387500AA Q505,Q506 L511 TYP 1450mA 12V_PANEL +3.5V_ST RT1P141C-T112 MLB-201209-0120P-N2 Q502 1ST : 0TRIH80004A, 2ND : EBK61012501, 3RD : 0TR102009AM Q502 PANEL_VCC C551 Q507 1ST : EBK60752501, 2ND : EBK61011501 0 .
  • Page 28 NEC MICOM +3.5V_ST R641 C602 C603 MICOM_DOWNLOAD 13pF 13pF X601 For Debug 10MHz +3.5V_ST P601 12505WS-12A00 X602 MICOM_RESET 32.768KHz R615 NEC_ISP_Tx R642 +3.5V_ST 1 0 M h z C r y s t a l 4.7M R617 NEC_ISP_Rx OCD1A OCD1B +3.5V_ST JTP-1127WEM R621...
  • Page 29 DUAL COMPONENT D707,D708 1ST : 0DD184009AA 2ND : 0DSIH00028A D710,D711 BODY_SHIELD 1ST : T-BAT54_SUZHO, 2ND : 0DSON00138A D713 5V_HDMI_4 5V_HDMI_1 BODY_SHIELD HDMI_HPD_4 HDMI_HPD_1 VR708 R729 VR706 R728 HP_DET HP_DET R727 R737 C717 C714 0 . 1 u F 0 . 1 u F R735 VR707 R730...
  • Page 30 RGB/ PC AUDIO/ SPDIF/ EARPHONE/ RS232C DUAL COMPONENT +5V_Normal EARPHON JACK RGB PC D810 D804,D805,D806 KDS184 D807,D808,D813 1ST : EAH39491601, 2ND : EAH33945901 D814 D810 1ST : 0DD184009AA, 2ND : 0DSIH00028A JK803 +3.3V_Normal KJA-PH-0-0177 Q801 1ST : 0TRIY80001A, 2ND : 0TR387500AA +5V_Normal IC801 74F08D...
  • Page 31 DUAL COMPONENT Q901,Q902,Q903 1ST : 0TRIY80001A 2ND : 0TR387500AA Q904,Q905,Q906 D903,D904 1ST : EAH42720601, 2ND : EAH60994401 D905,D906 +3.5V_ST IR & KEY IR_12P IR_15P R933 EEPROM_SCL P902 P901 12507WR-12L 12507WR-15L R919 R920 D905 CDS3C05HDMI1 5.6V EEPROM_SCL R915 +3.5V_ST KEY1 R934 EEPROM_SDA EEPROM_SDA R916...
  • Page 32 WIRELESS READY MODEL DUAL COMPONENT D1001,D1002 1ST : EAH42720601 2ND : EAH60994401 Q1001 1ST : EBK61012601, 2ND : 0TRDI80002A Q1002 1ST : EBK60752501, 2ND : EBK61011501 JK1001 KJA-PH-3-0168 W i r e l e s s p o w e r WIRELESS VCC(24V/20V/17V)_1 VCC(24V/20V/17V)_2...
  • Page 33 CVBS 1 PHONE JACK CVBS2 REAR JACK +3.3V_Normal R1141 R1112 AV2_R_IN 2.7K R1113 D1109 C1118 R1116 C1123 AMOTECH 5.6V 470K 560pF AV1_CVBS_DET 560pF D1105 R1142 5.6V AV2_L_IN JK1102 D1110 KJA-PH-1-0177 C1119 AMOTECH R1117 C1124 5.6V M5_GND 470K 560pF 560pF JK1104 R1136 PPJ233-01 AV1_CVBS_IN...
  • Page 34 USB_WIFI DUAL COMPONENT D1201,D1202 +5V_USB D1203,D1204 1ST : EAH42720601 2ND : EAH60994401 D1205,D1206 L1202 WIFI 120-ohm MLB-201209-0120P-N2 C1233 C1234 WIFI 0 . 1 u F WIFI 0 . 1 u F For EMI P1201 12507WR-04L WIFI C1232 100uF WIFI C l o s e t o B C M I C R1232 WIFI_DM WIFI...
  • Page 35 TI solution M_REMOTE OPTION +3.3V_Normal +3.3V_Normal P1302 12507WR-12L L1303 M_REMOTE 120-ohm M_REMOTE 3.3V R1321 R1322 R1323 M_REMOTE R1315 2.7K 2.7K 2.7K M_REMOTE_RX M_REMOTE M_REMOTE M_REMOTE M_REMOTE R1316 M_REMOTE_TX M_REMOTE R1317 RESET M_RFModule_RESET M_REMOTE R1318 DC_MREMOTE M_REMOTE R1319 DD_MREMOTE M_REMOTE R1320 GPIO_0 3D_GPIO_0 M_REMOTE...
  • Page 36 E t h e r n e t B l o c k DUAL COMPONENT D1401,D1402 D1403,D1404 1ST : EAH42720601 2ND : EAH60994401 D1405,D1406 +2.5V_BCM35230 L1401 MLB-201209-0120P-N2 JK1401 XRJH-01A-4-DA7-180-LG(B) C1401 0 . 1 u F EPHY_TDP EPHY_TDN EPHY_RDP EPHY_RDN D1401 D1402 D1404 D1406 5.5V...
  • Page 37 +3.3V_Normal +3.3V_AU_AVDD P l a c e a t B o t t o m T h i s p a r t s a r e L o c a t e d L1709 TAS5727 o n A V S S a r e a . 120-ohm +3.3V_DVDD C1744...
  • Page 38 NON CI PCM_MDI[0-7] /CI_CE1 PCM_MDI[0] PCM_MISTRT PCM_MDI[1] /CI_CE2 PCM_MIVAL_ERR PCM_MDI[2] PCM_MCLKI PCM_5V_CTL PCM_MDI[3] PCM_MDI[4] PCM_MDI[5] /PCM_WAIT PCM_MDI[6] CI_DET PCM_MDI[7] /PCM_IRQA PCM_RST PCM_TS_DATA[0-7] PCM_TS_DATA[0] PCM_TS_CLK PCM_TS_DATA[1] PCM_TS_VAL PCM_TS_DATA[2] PCM_TS_SYNC PCM_TS_DATA[3] PCM_TS_DATA[4] PCM_TS_DATA[5] PCM_TS_DATA[6] PCM_TS_DATA[7] CI_ADDR[2-14] CI_ADDR[2] CI_ADDR[3] CI_ADDR[4] CI_ADDR[5] CI_ADDR[6] CI_ADDR[7] CI_ADDR[8] CI_ADDR[9] CI_ADDR[10]...
  • Page 39 NON_CHB & CHB TUNER (KOR/USA) DUAL COMPONENT IC2102 1ST : EAN61829801, 2ND : EAN544289201 +3.3V_S_TU +5V_Normal IC2103 +5V_TU 1ST : EAN61507501, 2ND : EAN54428101 +3.3V_S_TU +3.3V_TU L2104 BLM18PG121SN1D L2107 BLM18PG121SN1D L2101 R2107 MLB-201209-0120P-N2 100K R2104 ON_CHB_SANYO_TUNER C2163 RF_SWITCH_CTL_2 C2109 C2147 C2154 10uF 0 .
  • Page 40 Non_DVB-S2 LNB Part_Allegro LNB_INT THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BCM35230 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. NON LNB...
  • Page 41 SC_CVBS_IN JP2601 DTV_ATV_SELECT JP2602 DTV/MNT_V_OUT JP2603 JP2604 SC_FB JP2605 SC_ID JP2606 JP2607 SC_RE1 JP2608 SC_RE2 JP2609 JP2610 SCART_MUTE JP2611 JP2612 SCART1_Lout_N SCART1_Lout_P SCART1_Rout_N SCART1_Rout_P INCM_VID_SC THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BCM35230 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR...
  • Page 42 CHANNEL BROWSER DUAL COMPONENT IC2703 1ST : EAN61829801 2ND : EAN54428201 CHB OPTION +3.3V_ADC +3.3V_ADC +1.8V_ADC +1.8V_ADC +1.8V_CHB_IC +1.8V_ADC +3.3V_Normal +3.3V_CHB CLOSE TO SOC L2703 +1.8V_CHB_IC +3.3V_TU BLM18PG121SN1D TW9910_DATA[0-7] +3.3V_Normal L2702 BLM18PG121SN1D C2702 0 . 1 u F VDDE_1 VD[7] AR2701 R2704 SCLK...
  • Page 43 NON CHINA HOTEL SPK_R+_HOTEL SPK_R-_HOTEL JP3001 JP3002 JP3003 JP3004 JP3005 JP3006 THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BCM35230 ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR NON CHINA HOTEL THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
  • Page 44 LVDS LOCAL DIMMING P3501 [51Pin LVDS OUTPUT Connector] [41Pin LVDS OUTPUT Connector] FI-RE51S-HFK-A [To LED DRIVER] +3.3V_FRC R3512 2D/3D_CTL LGD_2D/3D_CTRL LVDS_SEL P3503 +3.3V_Normal 12507WR-08L R3509 +3.3V_Normal R3511 3.3K PLACE SERIAL RESISTORS CLOSE TO URSA4 AUO_65_MIRROR R3501 R3510 AUO_65_MIRROR 3.3K LVDS_SEL P3502 LVDS_SEL_HIGH FI-RE41S-HFK-A...
  • Page 45 VDDC10 +1.5V_FRC_DDR +1.5V_FRC_DDR [SPI FLASH(2Mbit)] +1.26V_FRC VDDC10 +3.3V_FRC L5205 CIC21J501NE C5210 C5211 C5243 C5225 C5228 C5213 C5244 C5231 C5232 C5234 C5247 C5201 22uF 22uF 0 . 2 2 u F 0 . 1 u F 0 . 1 u F 0 .
  • Page 46 Close to DDR Pin +1.5V_FRC_DDR +1.5V_FRC_DDR +1.5V_FRC_DDR DDR3 1.5V De-Cap Place near Memory R5301 C5303 C5304 0 . 1 u F 22uF MVREFCA P l a c e t h e s e r a i l d a m p i n g r e s i s t R5302 i n t h e m i d d l e o f D R A M p a t t e r n P l a c e C l o s e t o D D R P i n...
  • Page 47 CORE +1.26V_FRC +1.5V_FRC TYPICAL 980mA TYPICAL 350mA +3.3V_FRC +1.5V_FRC_DDR +3.3V_FRC +12V IC5401 +1.26V_FRC IC5403 R5405 AOZ1072AI AP7173-SPG-13 HF(DIODES) L5403 POWER_ON/OFF2_2 3.6uH R5409 L5402 [ E P ] NR8040T3R6N PGND LX_2 CIC21J501NE R5414 LX_1 4.3K R5406 3.3K C5406 C5407 R5404 0 . 1 u F AGND R5415 R5407...
  • Page 48 SMD GASKET SMD GASKET 7.5T SMD GASKET 4.5T SMD GASKET 5.0T SMD GASKET 8.5T SMD GASKET 5.5T SMD GASKET 9.5T SMD GASKET 6.5T THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. BCM35230 2 0 1 0 . 0 9 . 1 8 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR SMD GASKET...
  • Page 50 GP3-BCM (3D FPR/ATSC) trouble shooting guide Applied chassis & models Chassis: LA12C Models : 47/55LW6500-UA 2010. 12. 28. LCD TV Division LCD TV Lab. / AT1Gr. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 51 Component 1 JACK PACK JACK PACK 54MHz at REAR at REAR X-tal Wireless Ready Power RX/TX RX/TX M_REMOTE RS-232C (Ctrl./SVC) MAX3232 (MODULE) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 52 VI_B H_sync(RGB_HSYNC) HPD_4 HSYNC_IN V_sync(RGB_VSYNC) VSYNC_IN * Each of analog audio signals shall be designed with “Common Mode (INCM) signal ” Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 53 HP_ROUT_P PC_L_IN AADC_LINE_L1 RGB-PC Audio AADC_LINE_R1 PC_R_IN * Each of analog signals shall be designed with “Common Mode (INCM) signal ” Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 54 10-bit (R) • LVDS_SEL : “H”=JEIDA, “L” or NC=VESA (LGD) • BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 55 HDMI_5V 5V_HDMI_1/2/3/4 TMDS_OUT[8] Sil9287B Sil9287B LGE35230 HDMI 4x1 Switch HPD_1/2/3/4 HDMI 4x1 Switch (IC701) (IC701) DDC_I2C_1/2/3/4 EEPROM TMDS1/2/3/4[8] (Audio Return Channel) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 56 USB_DM2 USB_PWRFLT_2 USB PWR +5V_USB Switch (IC1203) USB_PWRON_2 +3.3V_Noraml USB_DP1 USB_DP1 USB1 USB_DM1 USB_DM1 USB_PWRFLT_1 USB PWR +5V_USB Switch (IC1204) USB_PWRON_1 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 57 0x52 0x52 I2C3_3.3V NVRAM HDMI Switch HDMI Switch NVRAM M24M01 SIL9287B TAS5727 M24M01 SIL9287B TAS5727 0xB0 0x54 0xA8 0xA8 0xB0 0x54 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

  • Page 58: Hdmi Input

    TMDS [8] (To SIL9287B) CEC (To UPD78F05) Wireless +24V RX (Sink) WIRELESS_I2C (From LGE35230) WIRELESS_DETECT RS232C WIRELESS_RX/TX Switch BCM_RX/TX (Between LGE35230) RX/TX RS-232C MAX3232 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 59 MP2212 256KB MP2212 DC/DC(3.3) DC/DC(1.5) TOUCH LG Logo Power LED board board Micom WIRELESS COMP1 HDMI4 COMP2 HDMI1 HDMI2 HDMI3 POWER Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 60 Amimon Baseband (AMN2220) (AL7230) LVTTL (30Bit RGB) Audio Antenna Antenna Antenna (SPDIF and 2ch. I2S) For DFS For Downlink For Downlink Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 61 Check LVDS Power Voltage Replace Q507 Q507 : 12V Check Inverter Control Check Power Board or Module P501 18 pin : High Change Module Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 62 Replace or BCM( IC101) or Main Board. Check BCM LVDS Output Check FRC IC LVDS Output Replace or FRC IC ( IC5201) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 63 Replace BCM( IC101) or Main Board. Check BCM LVDS Output Check FRC IC LVDS Output Replace FRC IC(IC5201) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 64 Check BCM LVDS Output or Main Board. Check FRC IC LVDS Output Replace or FRC IC ( IC5201) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 65 Check BCM LVDS Output Replace BCM( IC101) or Main Board. Check FRC IC LVDS Output Replace FRC ICIC5201) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 66 Check BCM LVDS Output Replace BCM( IC101) or Main Board. Check FRC IC LVDS Output Replace FRC IC (IC5201) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 67 Check BCM LVDS Output Replace BCM( IC101) or Main Board. Check FRC IC LVDS Output Replace FRC IC(IC5201) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 68 Replace Audio AMP IC(IC1702) Replace connector Check Connector & P1702 if found to be damaged. Check speaker resistance and connector damage. Replace speaker. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 69 IC2103 2 pin : 1.26V Check IF_P/N Signal Bad Tuner. Replace Tuner. TU2101 17,18 Pin Follow procedure ‘8. All source audio’ trouble shooting guide. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 70 TU2101 9th Pin Check TU_SIF path Replace component Including Q2104 TR buffer to LGE35230 Follow procedure ‘8. All source audio’ trouble shooting guide. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 71 Check Audio AMP voltage +3.3V,+24V_AMP Check output L1703,4,7,8 Replace Audio AMP TAS5727 AMP output Follow procedure & refer to Audio signal block Diagram Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 72 Check JK1105 & Signal Line Replace Jack Follow procedure ‘8. All source audio’ trouble shooting guide. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 73 Check JK804 & Signal path Replace Jack or components Follow procedure ‘8. All source audio’ trouble shooting guide. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 74 14. Trouble shooting - No audio (SPDIF) Check SPDIF Cable Check JK802 Replace Jack SPDIF_OUT Signal(5V) Replace IC101 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 75 Check Earphone AMP Mute (Pin 19) Check Earphone output Replace IC804 TPA6132A (Pin 5, 16) Follow procedure & refer to Audio signal block Diagram Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 76 - USB power could be disabled by inrushing current - In this case, remove the device and try to reboot the TV (AC power off/on) Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 77 & Recheck Replace one of LAN Port Maybe BCM35230 LAN PHY block Check LAN Port LED & Recheck has problems. Replace It Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 78 Check L1001 24V Check power board Check Wireless _DET 3.3V Replace Jack Check R1007 3.3V High Replace BCM( IC101) or Main Board. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 79 Check the Tool Option 6 Correct the Tool Option5 ( using reference file ( GP3_BCM_TOOL OPTION)) Reference file : GP3_Tool option Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 80 : You can check current Local Dimming binary file version. When you upgrade latest F/W, you can re-download with using this menu. If TV system doesn’t support Local Dimming Function, you can’t see this menu. Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 81 5. EDID(AC3) : OK (0x98) OK (0x7F, 0x6F) HDMI1 OK (0x7F, 0x5F) HDMI2 OK (0x7F, 0x4F) HDMI3 OK (0x7F, 0x3F) HDMI 4 Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 82 22. Trouble shooting - SW download The latest S/W put in the ‘LG DTV’ folder of USB Memory USB connects to USB jack for service. If SW update screen appears, push the OK button. The SW update is finished, please check new SW version by in-start menu.
  • Page 83 (sanyo) COMP2 Rear Wireless Ready PC-RGB RGB,H/V L/R In PC-AUDIO OPTIC SPDIF OUT M-Remote LAN PHY UART Module (10M/100 Ethernet RS-232C Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 84 CHB_reset SCL/DA1_3.3V SCL/DA3_3.3V TW9910_ DATA[P] VDEC (LG1140) (TW9910) CHB_TS_DATA[S] CLK.SYNC/VAL I2C(Sub) I2C(Main) Dual Tuner TU_CVBS (H/NIM+F/NIM) TU_RESET, TU_RESET_SUB TU_SIF RF_SW_CTL1/2 H/NIM Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 85 AV DET [BSC_S_SCL] [BSC_S_SDA] MICOM [EDID_WP] [AV1_R_IN] RGB DET [DSUB_DET] // GPIO [AV1_L_IN] [PC_L_IN] [PC_R_IN] [AV1_CVBS_IN] CVBS PC L,R [AV1_CVBS_DET] AV DET Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 86 [RDB/TDB_GPIO_I2C] HDMI switch 35230(B0) TMDS SIL9287 5V_HDMI_3 HDMI3 HDMI3 DDC HDMI I2C HDMI_HPD3 DDC HDMI I2C HDMI4 5V_HDMI_4 HDMI4 HDMI_HPD4 MICOM Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 87 10-bit (R) • LVDS_SEL : “H”=JEIDA, “L” or NC=VESA (LGD) • BIT_SEL : “H” or NC = 10-bit, “L” = 8-bit Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 88 [M_REMOTE_TX] IR REMOTE IR_OUT BCM_TX / RX TX / RX TX / RX [BCM_TX] [BCM_RX] 9PIN DSUB MICOM_TX/RX MICOM [SANYO_TXD/RX D] Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 89 5P wafer NTP7400/TAS5727 Digital AMP 0x56 AMP_MUTE AMP_RESET MICOM SIDE_HP_MUTE TPA6132A2 [ADAC_AL/AR] TR BUF [VI_SIF] HP_L/R HEAD PHONE [HDMI0_ARC] [SPDIF_OUTA] SPDIF_OUT HDMI_ARC Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
  • Page 90 P101 +3.3V_NORMAL BSCC 1.2KΩ 33pF +5V_NORMAL Micro 400KHz TUxx 33Ω Level TUNER BSCA 2.7KΩ BSCDATAA Shifter 33pF IC802 BSCCLKA RGB EEPROM Copyright ⓒ 2011 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...

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