LG 55LK535C Service Manual Download Page 1 | Manualshive

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LED LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LC0

AD

MODEL:

55

LK53

5C

http://biz.lgservice.com

Internal Use Only

P/NO :

MFL67180810

(1

2

0

6

-REV00)

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Summary of Contents for 55LK535C

Page 1: ...ED LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LC0AD MODEL 55LK535C http biz lgservice com Internal Use Only P NO MFL67180810 1206 REV00 ...

Page 2: ...right 2011 LG Electronics Inc All rights reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 13 EXPLODED VIEW 15 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...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 metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path t...

Page 4: ... on your body by touching a known earth ground 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 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 electrostatic charge...

Page 5: ... the 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 repla...

Page 6: ...h 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 EMC CE IEC No Item Specification Meas urem ent Result 1 Display Screen Device 55 Wide color display module CCFL EEFL LCD 2 Aspect Ratio 16 9 3 LCD Module 55 TFT LCD FHD LGD 42LK530 CC 4 Storage Environment Temp 20 60 deg Humidity 10 90 5 Input Voltage 100 240V 5...

Page 7: ...80 31 25 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 250 50 HDTV 1080p 14 1920x1080 67 5 60 HDTV 1080p No Specification Proposed Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 400 31 468 70 08 28 321 For only DOS mode 2 640 480 31 469 59 94 25 17 VESA Input 848 480 60 Hz 852 480 60 Hz 640 480 60 Hz Display 3 800 600 37 879 ...

Page 8: ...GA HDCP 7 1280 720 45 60 74 25 HDCP 8 1920 1080 67 5 60 148 5 WUXGA HDCP FHD model 2 PC Mode No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080...

Page 9: ...If Error is displayed check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file i...

Page 10: ...ternal ADC mode by pushing key at 6 ADC Calibration Caution Using power on key of the Adjustment remote control power on TV ADC Calibration Protocol RS232 Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 RGB aa 00 90 End Adjust mode Required equipment Adjustment R C 3 2 Function Check Check dis...

Page 11: ...purposes Aging Time Cool Medium Warm GP2R Min X Y X Y X Y 269 273 285 293 313 329 1 0 2 279 288 295 308 319 338 2 3 5 278 286 294 306 318 336 3 6 9 277 285 293 305 317 335 4 10 19 276 283 292 303 316 333 5 20 35 274 280 290 300 314 330 6 36 49 272 277 288 297 312 327 7 50 79 271 275 287 295 311 325 8 80 149 270 274 286 294 310 324 9 Over 150 269 273 285 293 309 323 4 4 EDID DATA 1 All Data HEXA Va...

Page 12: ...ngeable Data Serial No Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum Auto Download After enter Service Mode by pushing ADJ key Enter EDID D L mode Enter START by pushing OK key 12 LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 13: ... 13 LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 14: ... 14 LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 15: ...hese 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 X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTANT SAFETY NOTICE 300 200 810 820 830 520 400 540 840 850 900 910 550 800 120 51...

Page 16: ... GPIO23 F4 HOTPLUGA GPIO19 E6 B_RXCP D3 B_RXCN C1 B_RX0P D1 B_RX0N D2 B_RX1P E2 B_RX1N E3 B_RX2P F3 B_RX2N E1 DDCDB_DA GPIO26 D4 DDCDB_CK GPIO25 E4 HOTPLUGB GPIO20 D5 C_RXCP AA2 C_RXCN AA1 C_RX0P AB1 C_RX0N AA3 C_RX1P AB3 C_RX1N AB2 C_RX2P AC2 C_RX2N AC1 DDCDC_DA GPIO28 AB4 DDCDC_CK GPIO27 AA4 HOTPLUGC GPIO21 AC3 D_RXCP A2 D_RXCN A3 D_RX0P B3 D_RX0N A1 D_RX1P B1 D_RX1N B2 D_RX2P C2 D_RX2N C3 DDCDD...

Page 17: ...P RLV3P RED 3 W26 ACKM RLV3N RED 2 W25 A0P RLV0P RED 9 U26 A0M RLV0N RED 8 U25 A1P RLV1P RED 7 U24 A1M RLV1N RED 6 V26 A2P RLV2P RED 5 V25 A2M RLV2N RED 4 V24 A3P RLV4P RED 1 W24 A3M RLV4N RED 0 Y26 A4P RLV5P GREEN 9 Y25 A4M RLV5N GREEN 8 Y24 BCKP TCON13 GREEN 1 AC26 BCKM TCON12 GREEN 0 AC25 B0P RLV6P GREEN 7 AA26 B0M RLV6N GREEN 6 AA25 B1P RLV7P GREEN 5 AA24 B1M RLV7N GREEN 4 AB26 B2P RLV8P GREEN...

Page 18: ... 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 20 15 10 5 21 22 23 24 25 C442 10uF 16V OPT R425 100 POWER_24_INV_CTL 0 R471 POWER_22_PWM_DIM C426 68uF 35V R402 100 C436 0 01uF 25V 0 01uF L406 3 6uH NR8040T3R6N R412 0 POWER_16_GND 12V 15V C424 0 1uF 16V R429 47K C485 0 1uF 16V IC402 AZ2940D 2 5TRE1 2 GND 3 VOUT 1 VIN R441 75K 1 8W 1 Q405 2SC3052 E B C R430 10K OPT 1 26V_VDDC C418 0 1uF 50V R435 22K L421 3 6...

Page 19: ...DEBUG R1012 10K B L_LAMP OCD1B R1001 47K NEC_EEPROM_SCL R1048 22 3 5V_ST R1019 22 R4035 4 7K NEW_SUB R4034 4 7K NEW_SUB C1008 15pF R1006 10K OPT R1011 10K TACT_KEY 3 5V_ST 3 5V_ST R1076 22 MICOM_DEBUG AMP_MUTE POWER_ON OFF1 LED_R BUZZ LED_B LG_LOGO C1006 0 1uF S7_NEC_TXD R1052 10K NEC_SCL R1018 22 R1074 10K GP3 MICOM_RESET FLMD0 R1047 20K 1 16W 1 R1041 22 R1056 22 R1037 22 NEC_ISP_Rx S T_SCL 3 5V_...

Page 20: ...PT R2414 1 5K L2401 BLM18PG121SN1D KEY1 3 3V_Normal JP2410 R2416 10K OPT R2405 10K 1 NEC_EEPROM_SCL D2402 5 6V AMOTECH R2411 100 EYEQ TOUCH_KEY IR C2401 0 1uF R2412 100 EYEQ TOUCH_KEY S T_SDA JP2409 C2406 1000pF 50V R2425 47K OPT 3 5V_ST Q2405 2SC3052 OPT E B C C2410 0 1uF 16V OPT C2405 0 1uF 16V C2407 100pF 50V L2403 BLM18PG121SN1D R2404 10K 1 R2430 10K OPT R2413 1 5K JP2408 C2404 1000pF 50V JP24...

Page 21: ... MARK OF THE SCHEMETIC SIGN6409 C1453 0 1uF C1452 10uF 10V USB1_OCD SIDE_USB_DP C1451 22uF 16V R1459 2K 1 8W 1 5V_USB USB1_CTL R1458 2K 1 8W 1 R1455 4 7K OPT SIDE_USB_DM L1451 MLB 201209 0120P N2 120 ohm R1454 10K 3 3V_Normal R1451 47 L1451 1 CIS21J121 JK1450 3AU04S 305 ZC LG USB_JACK 1 2 3 4 5 IC1450 AP2191DSG EAN61849601 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC JK1450 1 3AU04S 345 ZC ...

Page 22: ...D0_GND 3 D2 16 7 D0 6 D1 15 HDMI_CEC R881 22 D802 OPT GND DDC_SCL_2 BSS83 Q805 S B D G CEC_REMOTE_NEC DDC_SCL_4 GND HDMI_CEC CK _HDMI4 JP806 R854 68K R875 22 R835 3 3K HPD1 HPD4 D0 _HDMI1 R878 22 HDMI_CEC D0 _HDMI2 R804 1 8K R897 1K C810 0 1uF 16V C801 0 1uF 16V D0 _HDMI4 D803 AVRL161A1R1NT OPT 5V_HDMI_1 BSS83 Q806 S B D G R876 22 C805 0 1uF 16V DDC_SDA_1 R893 10K IC804 AT24C02BN SH T HDMI_SIDE_AT...

Page 23: ...10 1 RED 2 GREEN 3 BLUE 4 GND_1 5 DDC_GND 6 RED_GND 7 GREEN_GND 8 BLUE_GND 9 NC 10 SYNC_GND 11 GND_2 12 DDC_DATA 13 H_SYNC 14 V_SYNC 15 DDC_CLOCK 16 SHILED R1107 15K JK1103 JST1223 001 1 GND 2 VCC 3 VINPUT 4 FIX_POLE 3 3V_Normal R1135 75 R1155 1K HP_LOUT 002 V7 C1126 68pF 50V OPT C1119 10uF 16V SPDIF_OUT 002 T18 D1109 30V C1129 0 1uF 16V PC_R_IN 002 S12 R1129 3 3K R1137 75 3 3V_Normal D1101 5 6V O...

Page 24: ...MPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC R1124 100 JK1101 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 JP1121 IC1101 MAX3232CDR EAN41348201 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 S7_NEC_TXD D1108 30V CDS3C30GTH OPT C1102 0 1uF JP1122 C1106 0 1uF S7_NEC_RXD C1103 0 1uF C1101 0 33uF C1104 0 1uF 3 5V_ST D1107 30V CDS3C30GTH OPT R1123 100 C1...

Page 25: ...0 1uF 16V HD RXCCK C709 1000pF 50V OPT TP722 RXC1 RXC0 PWM_DIM C700 10uF 16V OPT RXD1 RXA0 RXC1 R710 10K OPT PWM_DIM RXBCK C710 0 1uF 16V WAFER_FHD SCAN_BLK1 OPC_OUT RXA2 RXB2 RXD2 P705 FF10001 30 HD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 RXD1 P703 FI RE51S HF J R1500 WAFER_FHD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2...

Page 26: ...B_DDR3_DQU3 DDR2_DQ11 K25 B_DDR3_DQU4 DDR2_DQM1 H24 B_DDR3_DQU5 DDR2_DQ12 K26 B_DDR3_DQU6 DDR2_DQM0 G25 B_DDR3_DQU7 DDR2_DQ14 K24 H5TQ1G63DFR H9C IC1202 DDR_1333_HYNIX EAN61828901 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 NC_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 ...

Page 27: ...CAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 3 3V_Normal IC1401 1 W25Q80BVSSIG S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC R1401 0 OPT FLASH_WP SPI_SDI R1405 33 SPI_SDO SPI_SCK SPI_CS 3 3V_Normal 3 3V_Normal R1404 4 7K R1403 10K Q1401 KRC103S OPT E B C C1401 0 1uF IC1401 MX25L8006EM2I 12G S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7...

Page 28: ...1 2V_BCD 2 OUTPUT 3 INPUT 1 ADJ GND R3706 0 FULL_NIM_BR TU3702 3 UDA55AL GP3_ATSC_1INPUT_H_SANYO 14 3 3V 13 1 2V 5 AS 12 GND 11 VIDEO 2 NC_2 10 NC_3 4 NC RF_AGC 1 NC_1 17 DIF_1 9 SIF 8 NC IF_TP 3 B 5V 16 IF_AGC_CNTL 7 SDA 6 SCL 15 RESET 18 DIF_2 19 SHIELD TU3701 2 TDFR B036F FULL_NIM_BR 1 RF_S W_CNTL 2 BST_CNTL 3 B1 5V 4 NC_1 RF_AGC 5 NC_2 6 SCLT 7 SDAT 8 NC_3 9 SIF 10 NC_4 11 VIDEO 12 GND 13 B2 1...

Page 29: ... 1uF C515 50V 24V 0 1uF C537 50V C520 1uF 25V 3 5V_ST 0 1uF C539 50V 0 1uF C509 C528 10uF 35V R520 12 0 1uF C526 50V C511 10uF 10V OPT C545 22pF 50V OPT C434 0 1uF 16V 0 1uF C538 50V SPK_L R503 100 C531 390pF 50V 1 8V_AMP R514 100 C522 1uF 25V 0 1uF C527 50V POWER_DET C525 22000pF 50V Q501 2SC3052 E B C D501 100V 1N4148W OPT C503 10uF 10V OPT AUD_LRCH R508 3 3K C530 390pF 50V C534 0 47uF 50V 1 8V_...

Page 30: ...5 10uF 16V EU_OPT C1625 0 1uF 50V EU_OPT COMP2_DET R1672 470K REAR_AV R1664 33K EU_OPT C1618 4700pF EU_OPT R1668 10K EU_OPT SC1 COMP1_DET C1644 10uF 16V EU_OPT R4221 0 EU_OPT C1662 330pF 50V REAR_AV AV_L_IN D1607 5 6V NON_EU C1612 330pF 50V DTV MNT_L_OUT D1601 5 6V OPT COMP2_Pb D1716 30V OPT D1602 30V OPT 12V 15V C1621 47uF 16V EU_OPT 0 R4210 EU_OPT C1620 100uF 16V EU_OPT DTV MNT_R_OUT SC_RE1 R168...

Page 31: ... SIDE_AV_3HOLE 4A YL O SPRING 5A YL E LUG 3A YL CONTACT 4B WH O SPRING 3C RD CONTACT 4C RD O SPRING 5C RD E LUG D9906 30V SIDE_COMP R9914 10K SIDE_CVBS C9906 100pF 50V SIDE_CVBS SIDEAV_R_IN R9906 470K SIDE_CVBS D9908 5 6V OPT R9905 470K SIDE_CVBS R9912 1K SIDE_COMP L9902 BLM18PG121SN1D SIDE_CVBS C9905 100pF 50V SIDE_CVBS R9916 12K SIDE_CVBS SIDEAV_L_IN JK9901 KJA PH 1 0177 SIDE_AV_GENDER 3 M3_DETE...

Page 32: ...1 0 1uF OPT R1920 100 R1909 0 OPT 5V_CI_ON AR1905 33 CI_OE L1902 BLM18PG121SN1D R1901 47 CI_MDI 6 CI_MDI 2 PCM_WAIT CI_ADDR 4 C1903 0 1uF 16V CI_TS_DATA 5 PCM_IOWR PCM_A 12 R1924 10K CI_TS_DATA 1 CI_ADDR 12 R1923 10K OPT GND AR1906 33 PCM_A 11 CI_CD1 PCM_OE CI_IORD R1913 10K CI_IOWR AR1909 33 CI_MISTRT R1915 47 R1917 10K 3 3V_CI 5V_Normal 5V_Normal CI_MDI 6 CI_ADDR 9 AR1907 33 R1912 10K OPT PCM_A ...

Page 33: ... MDS61887708 GAS3 4 12 5T_GAS MDS62110205 GAS1 2 7 5T_GAS MDS62110205 GAS3 2 7 5T_GAS MDS61887708 GAS2 4 12 5T_GAS MDS62110204 GAS1 1 5 5T_GAS MDS62110204 GAS2 1 5 5T_GAS MDS61887710 GAS2 3 9 5T_GAS MDS61887710 GAS5 3 9 5T_GAS MDS61887708 GAS5 4 12 5T_GAS MDS62110206 GAS5 6 5T_GAS MDS62110205 GAS5 2 7 5T_GAS MDS62110204 GAS5 1 5 5T_GAS MDS62110209 GAS1 5 8 5T_GAS MDS62110209 GAS2 5 8 5T_GAS MDS621...

Page 34: ...NTS IN THE SYMBOL MARK OF THE SCHEMETIC L DIM_SCLK C2103 18pF 50V OPT R2100 2 2K LED_DRIVER_D L C2102 18pF 50V OPT C2100 18pF 50V OPT V_SYNC L DIM_MOSI C2104 18pF 50V OPT C2101 18pF 50V OPT R2101 2 2K LED_DRIVER_D L LED_DRIVER_D L_SDA P2100 12507WR 08L L DIM_LED DRIVER 1 2 3 4 5 6 7 8 9 3 3V_Normal LED_DRIVER_D L_SCL 3 3V_Normal R2103 10K FRC_L DIM_REVERSE_SEL R2102 10K OPT R4029 22 LED_DRIVER_D L...

Page 35: ...7 DD 8 GND 9 GPIO_0 10 GPIO_1 11 GPIO_2 12 3D_SYNC 13 R3406 22 3D_SG M_REMOTE_RX R3405 22 3D_SG R3402 100 3D_SG R3408 100 3D_SG L3401 120 ohm 3D_SG R3411 2 7K 3D_SG 3 3V_Normal R3410 2 7K 3D_SG R3412 2 7K 3D_SG DD_MREMOTE M_RFModule_RESET R3403 22 3D_SG 3 3V_Normal M_REMOTE_TX R3401 100 3D_SG 3D_GPIO_2 3D_GPIO_1 R3404 22 3D_SG R3409 100 3D_SG DC_MREMOTE R3407 100 3D_SG 1 1 1 0 0 1 RESERVED GPOIO_0...

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