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LG 55LV555H Service Manual Download Page 1

LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LA05E

MODEL : 55LV555H

55LV555H-UA

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Printed in Korea

P/NO : MFL67121704 (1111-REV00)

Summary of Contents for 55LV555H

Page 1: ...EAD THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA05E MODEL 55LV555H 55LV555H UA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67121704 1111 REV00 ...

Page 2: ...nal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 12 EXPLODED VIEW 21 SVC SHEET ...

Page 3: ...perate 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 metallic parts such as antenna terminals p...

Page 4: ...n 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 b...

Page 5: ...e 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 replaced...

Page 6: ... 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification EMC FCC ICES IEC specification 6 SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 4 General Specification TV No Item Specification Remark 1 Receivable System VSB 64 256 QAM NTSC M 2 Available Channel VHF 02 13 UHF 14 69 DTV 02 69 CATV 01 135 CAD...

Page 7: ...e Cool 0 254 0 269 0 284 The W B Tolerance is 0 258 0 273 0 288 0 015 for Adjustment Medium 0 270 0 285 0 300 0 278 0 293 0 308 Warm 0 298 0 313 0 324 0 314 0 329 0 344 No Item Min Typ Max Unit Remarks 1 Max Luminance Module 290 360 cd m2 Center 1 point Full White Pattern Set 250 300 2 Luminance uniformity 77 5point 3 Color coordinate RED X Typ 0 637 Typ Default Y 0 03 0 341 0 03 GREEN X 0 319 Y 0...

Page 8: ... 0 269 0 284 The W B Tolerance is 0 258 0 273 0 288 0 015 for Adjustment Medium 0 270 0 285 0 300 0 278 0 293 0 308 Warm 0 298 0 313 0 324 0 314 0 329 0 344 5 4 47LV555H UA V6 No Item Min Typ Max Unit Remarks 1 Max Luminance Module 290 360 cd m2 Center 1 point Full White Pattern Set 300 350 2 Luminance uniformity 77 5point 3 Color coordinate RED X Typ 0 639 Typ Default Y 0 03 0 343 0 03 GREEN X 0 ...

Page 9: ... Set 350 400 2 Luminance uniformity 77 5point 3 Color coordinate RED X Typ 0 649 Typ Default Y 0 03 0 333 0 03 GREEN X 0 308 Y 0 607 BLUE X 0 150 Y 0 060 WHITE X 0 279 Y 0 292 4 Contrast ratio 1000 1 1400 1 15 000 1 20 000 1 Applied condition vivid 6 Color Temperature Cool 0 254 0 269 0 284 The W B Tolerance is 0 258 0 273 0 288 0 015 for Adjustment Medium 0 270 0 285 0 300 0 278 0 293 0 308 Warm ...

Page 10: ...V 1080P 7 RGB Input PC No Resolution H freq kHz V freq kHz Pixel clock Proposed PC DDC 1 640 350 31 468 70 09 25 17 EGA X 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 640 480 37 861 72 80 31 50 VESA VGA O 5 800 600 37 879 60 31 40 00 VESA SVGA O 6 800 600 48 077 72 18 50 00 VESA SVGA O 7 1024 768 48 363 60 00 65 00 VESA XGA O 8 1024 768 56 476 70 06 75 00 VESA XGA O...

Page 11: ...GA X 11 1280 768 47 776 59 870 79 5 CVT WXGA O 12 1360 768 47 712 60 015 85 50 VESA WXGA O 13 1280 1024 63 981 60 020 108 00 VESA SXGA O 14 1280 1024 79 976 75 025 135 VESA SXGA X 15 1600 1200 75 000 60 000 162 VESA UXGA X 16 1920 1080 67 500 60 000 148 50 HDTV 1080P O DTV 1 720 480 31 47 60 27 027 SDTV 480P O 2 720 480 31 47 59 94 27 00 SDTV 480P O 3 1280 720 45 00 60 00 74 25 HDTV 720P O 4 1280 ...

Page 12: ...Menu 1 ADJUST CHECK 3 2 Final assembly adjustment EDID DDC download White Balance adjustment RS 232C functionality check Factory Option setting per destination Ship out mode setting In Stop 3 3 Etc Ship out mode Tool option menu USB Download S W Update Option Service only ISP Download Option 4 Automatic Adjustment 4 1 ADC Adjustment 1 Overview ADC adjustment is needed to find the optimum black lev...

Page 13: ...is displayed If ADC calibration is failure ADC RGB Fail is displayed 6 If ADC calibration is failure after recheck ADC pattern or condition retry calibration Error message refer to 5 1 3 2 ADC 1024 768 RGB 1 Check connected condition of Component RGB cable to the equipment 2 Give a 1024 768 Mode 100 Horizontal Color Bar Pattern to RGB port MSPG 925 Series model 60 pattern 65 3 Change input mode as...

Page 14: ...591 EDID Block 0 table EDID Block 1 table HDMIII C S F581 EDID Block 0 table EDID Block 1 table RGB C S DE EDID Block 0 table LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes ...

Page 15: ... Medium Cool 6 Remove probe and RS 232C cable to complete adj W B Adj must begin as start command wb 00 00 and finish as end command wb 00 ff and Adj offset if need 6 Manual adj method 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 pres...

Page 16: ...s txt Inserting start MAC address at top low Inserting start MAC address at bottom low Launch MAC Address Writing program and set just like below picture 1 3 Click the LOAD button for reading the MAC address 2 SAVE Saving the current MAC Address CLEAR Initializing the space which insert MAC Address 4 Click the MAC Address button to write current MAC Address 3 5 In case of being downloaded normally...

Page 17: ...n select Tool option 5 9 hip out mode check In stop After final inspection press In Stop key of the Adj R C and check that the unit goes to Stand by mode After final inspection Always turn on the Mechanical S W 6 GND and Internal Pressure check 6 1 Method 1 GND Internal Pressure auto check preparation Check that Power Cord is fully inserted to the SET If loose re insert 2 Perform GND Internal Pres...

Page 18: ...ersion is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production line After downloading have to adjust TOOL OPTION again 1 Push IN START key in service remote controller 2 Select Tool Option 1 and Push OK button 3 Punch in the number Each model has their number LGE Internal Use On...

Page 19: ...button and retest 11 3 b_LAN Main board Check 11 3 1 Overview It is LNET RF modem FTG card 11 3 2 Equipment 1 b_LAN Checker UTC 1000 with Cable accessory 2 Computer for test result monitoring 3 Connection JIG 4 Check 1 Setting Procedure 1 Setting JIG 1 Connect UTC 1000 Equipment to JIG device as a like left picture Connection Line UTC 1000 TOP1 Game port RJ21 TV LINK CFG Phone Jack UTC 1000 TOP2 J...

Page 20: ...ween B LAN Label and 2 MAC Address on the pc 12 Default Value in Adjustment mode Default values maybe modified during E S L P Event for adjustment time reduction But it will be fixed before Mass Production 13 Serial number download Connect Bar Code scan equipment and TV set by RS 232C cable 1 E2PROM Data Write 2 E2PROM Data Read LGE Internal Use Only Copyright LG Electronics Inc All right reserved...

Page 21: ...d 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 X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORT...

Page 22: ...S33_2 35 PLLAVDD 36 PLLAVSS 37 NRST 38 OPM 39 VDD33_3 40 NC_2 41 VSS33_3 42 XTALI 43 XTALO 44 VSS_3 45 XM 46 VDD_3 47 VSSDAD10 48 VCCAAD10A O_BRCM_PKT0_SYNC 10 M27 BLM18PG121SN1D L110 0 1uF C132 1 10W 200 5 R136 0 R105 1K R122 0 R110 TU_SIF_INCM 11 E11 3 3V_DVDD_PDMOD 0 1uF 16V C129 220 R129 27pF 50V C122 0 1uF 16V C105 C107 OUT IN GND 4 7K R133 22uF 6 3V C123 3 3V_TU 1uF 6 3V C103 1K R123 22 R115...

Page 23: ...GPIO 9 AJ18 HDMI0_HPD_GPIO 9 AJ17 TMDS0_RX1 11 V15 TMDS0_RX0 11 V15 TMDS0_RXC 11 V16 SCL_HDMI_1 11 AA11 TMDS1_RXC 11 V11 TMDS1_RX1 11 V10 1K R252 SCL_HDMI_0 11 AA17 EAG62611201 JK200 14 NC 13 CE_REMOTE 5 D1_GND 20 BODY_SHIELD GND 12 CK 11 CK_GND 2 D2_GND 19 HP_DET 18 5V 10 CK 4 D1 1 D2 17 GND 9 D0 8 D0_GND 3 D2 16 DDC_DATA 7 D0 6 D1 15 DDC_CLK EAG59023302 JK201 14 NC 13 CE_REMOTE 5 D1_GND 20 SHIEL...

Page 24: ...36 SPK_L AI23 2200pF 50V C338 SPK_R AI21 0 1uF 50V C323 100pF 50V C301 JP302 SPK_L AB27 4 7K R327 33pF 50V C309 10uF 6 3V C308 OPT 1uF 6 3V C311 0 01uF 50V C313 10uF 35V C341 390pF 50V C327 10uF 6 3V C306 OPT 12 R321 2200pF 50V C339 I2S_WORD_CLK 11 V25 0 01uF 50V C322 AUDIO_MAIN_CLK 9 AB26 9 AJ24 390pF 50V C316 1 8V_AMP 1uF 6 3V C337 33pF 50V OPT C344 0 1uF 50V C329 33pF 50V C310 1 8V_AMP JP303 SP...

Page 25: ... 1 PGND 5 COMP 6 EN 7 LX_1 8 LX_2 0 1uF 16V C408 OPT 3 3V_BCM_EN 5 N18 B15 3 3V 1 10W 4 7K 1 R439 0 1uF 16V C438 OPT 3 5V_ST 10uF 6 3V C434 22uF 6 3V C429 12V 2SC3052 Q406 E B C 22uF OPT C409 1000pF 50V C432 BLM18PG121SN1D L401 10K 1 R422 22K R454 AO3407A Q403 G D S 3 3V_VDEC 3 5V_ST 10K R406 1K R408 0 R425 22uF 6 3V C437 OPT 47K R405 3 6uH L404 2 2K OPT R416 0 OPT R404 VDEC_EN 9 AJ23 22uF 16V C43...

Page 26: ...RL0_buffer M14 4 7K R5169 RJP_CTRL1 J25 RJP_CTRL1_buffer M14 3 3V 3 3V 3 3V RJP_CTRL3_buffer M14 4 7K R5106 RJP_CTRL3 J24 3 3V 3 3V RJP_CTRL2_buffer M14 4 7K R5170 RJP_CTRL2 J24 3 3V RJP_CTRL4 J23 3 3V 3 3V RJP_CTRL4_buffer M14 4 7K R5107 RJP_CTRL1_buffer H18 RJP_CTRL2_buffer H15 RJP_CTRL4_buffer E13 RJP_CTRL3_buffer E16 RJP_CTRL0_buffer E19 1K R5165 1K R5166 1K R5032 1K R5033 1K R5031 FRAM_SCL_3 ...

Page 27: ..._DDR_BCM3549P 1 8V_DDR_BCM3549P 1 8V_DDR_BCM3549P K4T1G084QF BCF8 IC604 1 SS DDR CK E8 CK F8 CKE F2 RAS F7 CAS G7 WE F3 CS G8 BA0 G2 BA1 G3 BA2 G1 A0 H8 A1 H3 A2 H7 A3 J2 A4 J8 A5 J3 A6 J7 A7 K2 A8 K8 A9 K3 A10 AP H2 A11 K7 A12 L2 A13 L8 NC_1 L3 NC_2 L7 ODT0 F9 DQ0 C8 DQ1 C2 DQ2 D7 DQ3 D3 DQ4 D1 DQ5 D9 DQ6 B1 DQ7 B9 DQS B7 DQS A8 DM RDQS B3 NU RDQS A2 VDDQ_1 A9 VDDQ_2 C1 VDDQ_3 C3 VDDQ_4 C7 VDDQ_5...

Page 28: ...4 16 15 FF10001 30 P702 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 0 OPT R724 S T_SCL S T_SDA 3 3K LVDS_SEL_HIGH R716 10K LVDS_SEL_LOW R717 3 3V 10K BIT_SEL_LOW R715 22uF 16V C702 OPT 22pF C709 22pF C710 BLM18PG121SN1D L700 BLM18PG121SN1D L705 OPT BLM18PG121SN1D 120 ohm L706 L708 22 L703 22 L704 22 L707 3 3V 3 3K BIT_SEL_HIGH R703 30V ZD705 OPT 30V ZD701...

Page 29: ... K5 IO1_37 L4 IO1_38 R1 IO1_39 P2 IO1_40 P3 IO1_41 N4 IO1_42 R2 IO4_1 T2 IO4_2 R3 IO4_3 P4 IO4_4 R4 IO4_5 T4 IO4_6 R5 IO4_7 M5 IO4_9 M6 IO4_10 N5 IO4_11 N6 IO4_12 R6 IO4_14 M7 IO4_15 T6 IO4_16 R7 IO4_17 N7 IO4_19 T8 IO4_21 M8 IO4_22 N8 IO4_23 M10 IO4_25 T9 IO4_27 N9 IO4_29 T11 IO4_31 N10 IO4_32 N11 IO4_36 N12 IO4_37 M9 IO4_38 M11 IO4_39 M12 IO4_40 R12 IO4_42 T13 IO4_43 R13 IO4_44 R14 IO4_45 P13 IO...

Page 30: ...O_24 E22 GPIO_25 AB21 GPIO_26 AC21 GPIO_27 M4 GPIO_28 M5 GPIO_29 E21 GPIO_30 P26 GPIO_31 P25 GPIO_32 G2 GPIO_33 G3 GPIO_34 G5 GPIO_35 G6 GPIO_36 G4 GPIO_37 F21 GPIO_38 H21 GPIO_39 L5 GPIO_40 K4 GPIO_41 K1 GPIO_42 E25 GPIO_43 F24 GPIO_44 G21 GPIO_45 H25 GPIO_46 H24 GPIO_47 K22 GPIO_48 K21 GPIO_49 J23 GPIO_50 K6 GPIO_51 K5 GPIO_52 J22 GPIO_53 M3 GPIO_54 M2 GPIO_55 M1 GPIO_56 L4 GPIO_57 L6 SGPIO_00 N...

Page 31: ... A3 3V_BCM3549 4 7 u F C1013 4 7uF C1021 4 7 u F C1022 4 7 u F C1035 4 7 u F C1042 4 7 u F C1050 4 7 u F C1051 4 7 u F C1056 4 7 u F C1057 4 7 u F C1058 4 7 u F C1062 LGE3549XSP P22 3D PIP IC100 PKT0_CLK C25 PKT0_DATA C24 PKT0_SYNC B26 RMX0_CLK A25 RMX0_DATA A26 RMX0_SYNC B25 VDAC_AVDD2P5 AA20 VDAC_AVDD1P2 AD22 VDAC_AVDD3P3_1 AE22 VDAC_AVDD3P3_2 AE23 VDAC_AVSS_1 W16 VDAC_AVSS_2 Y17 VDAC_AVSS_3 Y18...

Page 32: ...3 AE16 SD_PR3 AD16 SD_PB3 AC16 SD_INCM_COMP3 AF16 SD_L1 AF12 SD_C1 AE12 SD_INCM_LC1 AC12 SD_L2 AC13 SD_C2 AD13 SD_INCM_LC2 AF13 SD_L3 AF15 SD_C3 AC14 SD_INCM_LC3 AD14 SD_CVBS1 AB11 SD_CVBS2 AE13 SD_CVBS3 AE14 SD_CVBS4 AD15 SD_INCM_CVBS1 AA11 SD_INCM_CVBS2 AD12 SD_INCM_CVBS3 AF14 SD_INCM_CVBS4 AE15 SD_SIF1 AD19 SD_INCM_SIF1 AE19 PLL_VAFE_AVDD1P2 AB16 PLL_VAFE_AVSS Y16 PLL_VAFE_TESTOUT Y15 RGB_HSYNC...

Page 33: ...H17 VDDC_18 H18 VDDC_19 H19 VDDC_20 J19 VDDC_21 K19 VDDC_22 L19 VDDC_23 M19 VDDC_24 N19 VDDC_25 P19 VDDC_26 R19 VDDC_27 T19 VDDC_28 U19 VDDC_29 V19 AGC_VDDO V24 VDDO_1 W11 VDDO_2 W12 VDDO_3 W17 VDDO_4 W18 VDDO_5 E26 VDDO_6 L26 VDDO_7 T26 DDRV_1 A9 DDRV_2 G9 DDRV_3 G11 DDRV_4 G13 DDRV_5 A14 DDRV_6 G15 DDRV_7 G17 DDRV_8 A19 DDRV_9 G19 LGE3549XSP P22 3D PIP IC100 DVSS_1 T6 DVSS_2 J7 DVSS_3 K7 DVSS_4 ...

Page 34: ...ORTPRI 2 PHY2PTXD 1 M R 2RXD 1 86 DISPORTPRI 3 PHY2PTXD 2 M2RXD 2 87 DVDD33_2 88 DISPORTPRI 4 PHY2PTXD 3 M2RXD 3 89 PHY2PCOL M2COL LED_BLNK_TIME 90 LOOPLED ENDEFER 91 LED_ADD 4 DISTAGPRI 92 LED_ACT 4 DISHOMEPLUG 93 LED_SPD 4 DISVLAN 94 DGND_5 95 LED_DUP 4 SETGROUP 96 LED_ADD 3 MODESET1 97 LED_ACT 3 EN48PASS1 98 LED_SPD 3 DISARP 99 LED_DUP 3 MODESET0 100 DVDD18_4 101 LED_ADD 2 DISLEAKY 102 DGND_6 1...

Page 35: ...2 3 4 5 30V D1402 30V D1405 30V D1409 OPT MAX3232CDR IC1403 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 3 5V_ST 3 5V_ST 3 5V_ST 3 5V_ST 3 5V_ST 3 5V_ST AP2191SG 13 IC1404 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC 0 1uF C1401 MLB 201209 0120P N2 L1403 2SC3052 Q1403 E B C 2SC3052 Q1400 E B C 2SC3052 Q1406 E B C 2SC3052 Q1405 E ...

Page 36: ...7 37 VD 6 38 VD 5 39 VD 4 40 VD 3 41 VD 2 42 VSS_2 43 NC_4 44 VD 1 45 VD 0 SIAD0 46 VSSE_2 47 XTI 48 XTO 1M R1529 A1 8V_VDEC 3 3K R1522 R1531 OPT 470 R1523 220 R1506 34 R1504 51 AR1520 D1 8V_VDEC 470 R1516 51 R1521 MAIN_CVBS 11 E14 BLM18PG121SN1D L1501 VDEC_656_DATA 0 7 9 AJ20 33pF 50V OPT C1561 D_1 8V D1 8V_VDEC 100 R1515 SIDE_CVBS 1 7 I 1 2 470 R1517 VDEC_656_CLK 9 AJ20 3 3V_VDEC D_9V TEA6425DT ...

Page 37: ... C1611 OPT 0 1uF C1602 18K 1 SEMTECH R1604 3 3V SC4215ISTRT IC1602 1 SEMTECH 3 VIN 2 EN 4 NC_2 1 NC_1 5 NC_3 6 VO 7 ADJ 8 GND 2 5V 5V_DEVICE 3 5V_ST 3300pF 50V DEV C1639 100pF 50V OPT C1641 10K 1 R1630 1 10W 10K 1 R1629 0 01uF 25V C1638 0 0 1 u F 25V C1637 NR8040T3R6N 3 6uH L1615 10K R1628 0 1uF C1643 0 01uF 25V C1640 6 8K R1627 MP2108DQ EAN60991601 DEV IC1606 3 LX 2 VIN 4 PGND 1 BST 5 SGND 6 SS 7...

Page 38: ...A 2 1Y 8 4Y 14 VCC 3 2A 9 4A 1 1A 4 2Y 10 5Y 1K R1758 PPJ238 01 JK1702 5D GN2 O SPRING 6D GN2 E LUG 4D GN2 CONTACT 7E BL2 E LUG S 5E BL2 O SPRING 7F RD2 E LUG S 5F RD2 O SPRING_1 5G WH2 O SPRING 4H RD2 CONTACT 5H RD2 O SPRING_2 6H RD2 E LUG 6A YL1 E LUG 5A YL1 O SPRING 4A YL1 CONTACT 5B WH1 O SPRING 4C RD1 CONTACT 5C RD1 O SPRING 6C RD1 E LUG 3 5V_ST 1K R1772 0 R1771 SPG09 DB 010 P1700 1 RED 2 GRE...

Page 39: ...2 0 1uF 16V C1822 22uF 16V C1823 OPT 22uF 6 3V C1836 OPT 2200pF 50V C1831 100 R1804 100 R1806 L1820 2SC3052 Q1805 E B C 2SC3052 Q1803 E B C 2 2K OPT R1802 47K R1879 100K R1890 OPT 10K R1882 5V_bLAN 0 1uF 16V C1833 1uF 10V C1802 12V_C 2 2K OPT R1801 12V_C_MPI 22uF OPT C1804 1uF 10V OPT C1801 bLAN_POWER_MANAGE 5 N17 AG25 AO3407A Q1807 G D S 47K OPT R1830 10K R1877 bLAN_POWER_MANAGE 5 N17 AG21 0 1uF ...

Page 40: ......

Page 41: ...RGB IN IR Receiver Component IN USB IN HDMI1 HDMI2 HDMI2 HBU IC IC1300 LAN1 LAN2 TI PTC IC501 FRAM Switch UART RJP Tuner bLAN VSB IC LGDT3305 TI PTC IC501 Pro Idiom LG1001 Video S W Rear AV IN Side AV IN MPI SPI IR out Game 25MHz 32 768KHz 54MHz 27MHz 25MHz 27MHz 533MHz 74MHz 160MHz Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

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