LG 42LW4500 Скачать руководство пользователя страница 42 | Manualshive

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2. Digital TV Video

Check RF Cable & Signal

Check Tuner 3.3V Power

L3703

Replace L3703

Check Tuner 1.2V Power

IC3703 2 pin : 1.2V

Check IF_P/N Signal

TU3702 17/18 Pin

Replace IC3703

Check Tuner 5V Power

L3702

Check IC406,IC410

Check Mstar LVDS Output

Replace Mstar(IC101) or Main Board.

ok

ok

ok

ok

ok

No

No

No

No

No

Replace IC406,IC410

No

Bad Tuner. Replace Tuner.

Replace L3702

ok

Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

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Содержание 42LW4500

Страница 1: ...S IN THIS MANUAL CHASSIS LJ01U MODEL 42LW4500 42LW4500 SA 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 MFL62886949 1105 REV00 Collection By Pravin Mevada 13 Oct 2018 Pravin Mevada ...

Страница 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 11 EXPLODED VIEW 16 SVC SHEET ...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ... input voltage 100 240V 50 60Hz Standard Voltage of each product is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with 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 2 Demanded other specification Safety UL CSA IEC specif...

Страница 7: ...0Hz AUO 26LK330 T315XW03 VF HD 60Hz AUO 32LK330 LC320WXN SCA2 LGD LC320WXE SCA1 LGD T315HW04 V9 FHD 60Hz AUO 32LK430 T315HW04 V9 FHD 60Hz AUO 32LK450 LC320WUN SDA1 LGD LC320WUE BCA1 LGD T315XW06 V3 HD 60Hz AUO 32LV2500 LC320EXN SDA1 LGD VVX32H110G00 IPS LC320EUN SDV2 FHD 60Hz LGD 32LV3400 V315H3 LE7 FHD 60Hz CMI 32LV3500 T315HW07 V8 AUO LC320EUN SDV2 LGD LC320EUD SDA1 FHD 120Hz LGD 32LV4500 LC370W...

Страница 8: ... point Full White Pattern Set 3D 100 130 cd m 3 Luminance uniformity variation 1 3 Full white X 0 650 0 648 RED Y 0 333 0 332 X 0 307 0 306 GREEN Y 0 604 0 606 X 0 150 0 150 BLUE Y 0 059 0 058 X 0 279 4 Color coordinate WHITE Y Typ 0 03 0 292 Typ 0 03 5 Color coordinate uniformity N A 6 Contrast ratio 1100 1 1600 1 All White All Black Cool 0 254 0 258 0 269 0 273 0 284 0 288 Standard 0 270 0 278 0...

Страница 9: ...1080I 13 1920 1080 56 250 50 00 148 50 HDTV 1080P 14 1920 1080 67 500 60 148 50 HDTV 1080P 15 1920 1080 67 432 59 94 148 352 HDTV 1080P 16 1920 1080 27 000 24 000 74 25 HDTV 1080P 17 1920 1080 26 97 23 976 74 176 HDTV 1080P 18 1920 1080 33 75 30 000 74 25 HDTV 1080P 19 1920 1080 33 71 29 97 740176 HDTV 1080P 7 RGB Input PC No Resolution H freq kHz V freq kHz Pixel clock Proposed PC DDC 1 640 350 3...

Страница 10: ... 2 720 480 31 500 60 27 027 SDTV 480P 3 720 576 31 250 50 000 27 000 SDTV 576P 4 1280 720 37 500 50 000 74 25 HDTV 720P 5 1280 720 45 00 60 00 74 25 HDTV 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 28 125 50 000 74 25 HDTV 1080I 8 1920 1080 33 75 60 00 74 25 HDTV 1080I 9 1920 1080 33 72 59 94 74 176 HDTV 1080I 10 1920 1080 56 250 50 000 148 50 HDTV 1080P 11 1920 1080 67 500 60 148 50 ...

Страница 11: ...ck OK message 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...

Страница 12: ...utomatically adjustment The use of a internal pattern Modu le Modu le Too l option1 Too l option2 Too l option3 Too l option4 Too l option5 42LV4500 SA LGD 26496 19478 55337 10520 8448 32LV4500 SA LGD 18304 19478 55337 10520 8480 55LV3500 SA LGD 46944 19478 55337 10520 8448 47LV3500 SA LGD 34656 19478 55337 10520 256 42LV3500 SA AUO 26472 19478 55337 10520 352 42LV3500 SA LGD 26464 19478 55337 105...

Страница 13: ... enter Service Mode by pushing ADJ key Enter White Balance by pushing G key at 6 White Balance After done all adjustments Press In start button and compare Tool option and Area option value with its BOM if it is correctly same then unplug the AC cable If it is not same then correct it same with BOM and unplug AC cable For correct it to the model s module from factory Jig model Push the IN STOP key...

Страница 14: ...sts Digital EDID Pin3 exists 2 Never connect HDMI D sub Cable at the same time 3 Use the proper cables below for EDID Writing 4 Download HDMI1 HDMI2 separately because HDMI1 is different from HDMI2 1 FHD RGB EDID data Check sum 1C 2 FHD HDMI EDID data HDMI 1 Check sum E2 99 HDMI 2 Check sum E2 89 HDMI 3 Check sum E2 79 Item Manufacturer ID Version Revision Condition GSM Digital 1 Digital 3 Data He...

Страница 15: ... remocon Red LED are blinked alternatively And then Automatically turn off Must not AC power OFF during blinking 4 6 Hi pot Test Confirm whether is normal or not when between power board s ac block and GND is impacted on 1 5 kV min at 100mA GND and 3kV min at 100mA Signal HD CCFL FHD CCFL HD LED FHD Small LED FHD LED 32LK330 SB 32LK450 SA 19LV2500 SA 32LV4500 SA 37LK450 SA 22LV2500 SA 42LV4500 SA ...

Страница 16: ...ical and 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...

Страница 17: ...IO9 UART_TX AC16 FRC_GPIO10 AC14 FRC_I2CM_DA AA16 FRC_I2CM_CK AA15 FRC_I2CS_DA Y10 FRC_I2CS_CK AA11 FRC_PWM0 AB15 FRC_PWM1 AB14 LGE107DC R 1 S7MR DIVX IC101 8 S7MR_DivX FRC_DDR3_A0 DDR2_NC AE1 FRC_DDR3_A1 DDR2_A6 AF16 FRC_DDR3_A2 DDR2_A7 AF1 FRC_DDR3_A3 DDR2_A1 AE3 FRC_DDR3_A4 DDR2_CASZ AD14 FRC_DDR3_A5 DDR2_A10 AD3 FRC_DDR3_A6 DDR2_A0 AF15 FRC_DDR3_A7 DDR2_A5 AF2 FRC_DDR3_A8 DDR2_A2 AE15 FRC_DDR3...

Страница 18: ...A_RX2P H1 A_RX2N H2 DDCDA_DA GPIO24 F5 DDCDA_CK 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 A...

Страница 19: ...C_TESTPIN Y19 ACKP 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 AB2...

Страница 20: ... MLB 201209 0120P N2 L407 3 3V_Normal 100 POWER_20_ERROR_OUT R437 0 POWER_18_A_DIM R451 3 5V_ST POWER_ON OFF2_1 10K R421 24K 1 R442 10uF 10V C403 100uF 16V C402 FM20020 24 P404 NORMAL_32 19 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 20 15 10 5 21 22 23 24 25 10uF 16V OPT C442 100 POWER_24_INV_CTL R425 0 POWER_22_PWM_DIM R471 68uF 35V C426 100 R402 0 01uF 25V C436 0 01uF NR8040T3R6N 3 6uH L406 0 POWER_16...

Страница 21: ..._LAMP R1012 OCD1B 47K R1001 NEC_EEPROM_SCL 22 R1048 3 5V_ST 22 R1019 4 7K R4035 NEW_SUB 4 7K R4034 NEW_SUB 15pF C1008 10K R1006 OPT 10K TACT_KEY R1011 3 5V_ST 3 5V_ST 22 R1076 MICOM_DEBUG AMP_MUTE POWER_ON OFF1 LED_R BUZZ LED_B LG_LOGO 0 1 u F C1006 S7_NEC_TXD 10K R1052 NEC_SCL 22 R1018 10K GP3 R1074 MICOM_RESET FLMD0 1 16W 20K 1 R1047 22 R1041 22 R1056 22 R1037 NEC_ISP_Rx S T_SCL 3 5V_ST RL_ON NE...

Страница 22: ...06 1 5K R2414 BLM18PG121SN1D L2401 KEY1 3 3V_Normal JP2410 10K R2416 OPT 10K 1 R2405 NEC_EEPROM_SCL AMOTECH 5 6V D2402 100 R2411 EYEQ TOUCH_KEY IR 0 1uF C2401 100 R2412 EYEQ TOUCH_KEY S T_SDA JP2409 1000pF 50V C2406 47K R2425 OPT 3 5V_ST 2SC3052 Q2405 OPT E B C 0 1uF 16V C2410 OPT 0 1uF 16V C2405 100pF 50V C2407 BLM18PG121SN1D L2403 10K 1 R2404 10K R2430 OPT 1 5K R2413 JP2408 1000pF 50V C2404 JP24...

Страница 23: ...THE SCHEMETIC 0 1uF C1453 10uF 10V C1452 USB1_OCD SIDE_USB_DP 22uF 16V C1451 1 8W 2K 1 R1459 CDS3C05HDMI1 5 6V OPT D1451 5V_USB USB1_CTL 1 8W 2K 1 R1458 4 7K OPT R1455 SIDE_USB_DM MLB 201209 0120P N2 120 ohm L1451 CDS3C05HDMI1 5 6V OPT D1452 10K R1454 3 3V_Normal 47 R1451 CIS21J121 L1451 1 USB DOWN STREAM 3AU04S 305 ZC LG JK1450 1 2 3 4 5 AP2191DSG EAN61849601 IC1450 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG...

Страница 24: ...D0_GND 3 D2 16 7 D0 6 D1 15 HDMI_CEC 22 R881 D802 OPT GND DDC_SCL_2 BSS83 Q805 S B D G CEC_REMOTE_NEC DDC_SCL_4 GND HDMI_CEC CK _HDMI4 JP806 68K R854 22 R875 3 3K R835 HPD1 HPD4 D0 _HDMI1 22 R878 HDMI_CEC D0 _HDMI2 1 8K R804 1K R897 0 1uF 16V C810 0 1uF 16V C801 D0 _HDMI4 AVRL161A1R1NT OPT D803 5V_HDMI_1 BSS83 Q806 S B D G 22 R876 0 1uF 16V C805 DDC_SDA_1 10K R893 AT24C02BN SH T IC804 HDMI_SIDE_AT...

Страница 25: ...E 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 15K R1107 F i b e r O p t i c JST1223 001 JK1103 1 GND 2 VCC 3 VINPUT 4 FIX_POLE 3 3V_Normal 75 R1135 1K R1155 HP_LOUT 002 V7 68pF 50V OPT C1126 10uF 16V C1119 SPDIF_OUT 002 T18 30V D1109 0 1uF 16V C1129 PC_R_IN 002 S12 3 3K R1129 75 R1137 3 3V_Normal AMOTECH 5 6V O...

Страница 26: ...MPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 100 R1124 SPG09 DB 009 JK1101 1 2 3 4 5 6 7 8 9 10 JP1121 EAN41348201 MAX3232CDR IC1101 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 CDS3C30GTH 30V D1108 OPT 0 1uF C1102 JP1122 0 1uF C1106 S7_NEC_RXD 0 1uF C1103 0 33uF C1101 0 1uF C1104 3 5V_ST CDS3C30GTH 30V D1107 OPT 100 R1123 0 ...

Страница 27: ... 16V HD C703 RXCCK 1000pF 50V C709 OPT TP722 RXC1 RXC0 PWM_DIM 10uF 16V OPT C700 RXD1 RXA0 RXC1 10K OPT R710 PWM_DIM RXBCK 0 1uF 16V C710 WAFER_FHD SCAN_BLK1 OPC_OUT RXA2 RXB2 RXD2 FF10001 30 P705 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 FI RE51S HF J R1500 P703 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...

Страница 28: ..._A4 B26 B_DDR3_A7 DDR2_A3 R24 B_DDR3_A8 DDR2_A6 B25 B_DDR3_A9 DDR2_A12 T26 B_DDR3_A10 DDR2_RASZ D24 B_DDR3_A11 DDR2_A11 A26 B_DDR3_A12 DDR2_A0 C25 B_DDR3_A13 DDR2_A7 T25 B_DDR3_BA0 DDR2_BA2 P24 B_DDR3_BA1 DDR2_CASZ C26 B_DDR3_BA2 DDR2_A5 R26 B_DDR3_MCLK DDR2_MCLK D26 B_DDR3_MCLKZ DDR2_MCLKZ D25 B_DDR3_CKE DDR2_DQ5 E24 B_DDR3_ODT DDR2_ODT N25 B_DDR3_RASZ DDR2_WEZ M26 B_DDR3_CASZ DDR2_BA1 N24 B_DDR3...

Страница 29: ...CAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 3 3V_Normal W25Q80BVSSIG IC1401 1 S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC 0 OPT R1401 FLASH_WP SPI_SDI 33 R1405 SPI_SDO SPI_SCK SPI_CS 3 3V_Normal 3 3V_Normal 4 7K R1404 10K R1403 KRC103S Q1401 OPT E B C 0 1uF C1401 MX25L8006EM2I 12G IC1401 S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7...

Страница 30: ...DA 6 SCL 15 RESET 18 DIF_2 SHIELD 19 TDFR B036F TU3701 2 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 2V 14 B3 3 3V 15 RESET 16 NC_5 17 SCL 18 SDA 19 ERR 20 SYNC 21 VALID 22 MCL 23 D0 24 D1 25 D2 26 D3 27 D4 28 D5 29 D6 30 D7 31 SHIELD 22uF 16V C3722 22uF 10V C3715 10uF 6 3V C3739 CN 10uF 10V C3741 HALF_NIM 0 1uF 16V C...

Страница 31: ... 22pF 50V OPT C5014 12 R5059 WOOFER 0 1uF 50V C5044 WOOFER 4 7K R5074 WOOFER 1N4148W 100V OPT D5002 10uF 10V C5058 OPT 0 01uF 50V OPT C5032 390pF 50V C5035 WOOFER AUD_MASTER_CLK 10uF 35V C5034 WOOFER 0 1uF 50V C5056 WOOFER WOOFER 1 8V_AMP2 WOOFER_L 4 7K R5023 WOOFER 1uF 25V C5068 WOOFER 1 8V_AMP2 1 R5068 WOOFER 0 1uF 50V C5033 WOOFER 10uF 10V C5069 WOOFER 12 R5065 WOOFER 0 1uF 50V C5042 WOOFER AMP...

Страница 32: ...0 1uF 50V C515 24V 0 1uF 50V C537 1uF 25V C520 3 5V_ST 0 1uF 50V C539 0 1uF C509 10uF 35V C528 12 R520 0 1uF 50V C526 10uF 10V C511 OPT 22pF 50V OPT C545 0 1uF 16V C434 0 1uF 50V C538 SPK_L 100 R503 390pF 50V C531 1 8V_AMP 100 R514 1uF 25V C522 0 1uF 50V C527 POWER_DET 22000pF 50V C525 2SC3052 Q501 E B C 1N4148W 100V OPT D501 10uF 10V C503 OPT AUD_LRCH 3 3K R508 390pF 50V C530 0 47uF 50V C534 1 8V...

Страница 33: ...EU_OPT C1645 0 1uF 50V EU_OPT C1625 COMP2_DET 470K R1672 REAR_AV 33K EU_OPT R1664 4700pF EU_OPT C1618 10K EU_OPT R1668 SC1 COMP1_DET 10uF 16V EU_OPT C1644 0 EU_OPT R4221 330pF 50V C1662 REAR_AV AV_L_IN 5 6V NON_EU D1607 330pF 50V C1612 DTV MNT_L_OUT 5 6V OPT D1601 COMP2_Pb 30V D1716 OPT 30V OPT D1602 12V 15V 47uF 16V EU_OPT C1621 0 EU_OPT R4210 100uF 16V EU_OPT C1620 DTV MNT_R_OUT SC_RE1 10K R1685...

Страница 34: ...V_3HOLE JK9903 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 30V SIDE_COMP D9906 10K SIDE_CVBS R9914 100pF 50V SIDE_CVBS C9906 SIDEAV_R_IN 470K SIDE_CVBS R9906 5 6V OPT D9908 470K SIDE_CVBS R9905 1K SIDE_COMP R9912 BLM18PG121SN1D SIDE_CVBS L9902 100pF 50V SIDE_CVBS C9905 12K SIDE_CVBS R9916 SIDEAV_L_IN KJA PH 1 0177 SIDE_AV_GENDER JK9901 3 M3_DETE...

Страница 35: ...5 GND TOSHIBA TC74LCX244FT 0ITO742440D IC1902 3 2Y4 2 1A1 4 1A2 1 1OE 6 1A3 5 2Y3 7 2Y2 8 1A4 9 2Y1 10 GND 11 2A1 12 1Y4 13 2A2 14 1Y3 15 2A3 16 1Y2 17 2A4 18 1Y1 19 2OE 20 VCC GND CI_MDI 0 47 R1918 0 OPT R1916 FE_TS_CLK CI_ADDR 8 CI_WE CI_TS_VAL 4 7uF 16V C1911 0 1 u F 16V C1908 OPT CI_ADDR 11 10K R1904 0 1uF 16V C1904 PCM_A 0 33 AR1901 REG CI_ADDR 14 FE_TS_DATA 0 7 CI_IORD CI_MCLKI PCM_A 14 10K ...

Страница 36: ... MDS61887708 12 5T_GAS GAS3 4 MDS62110205 7 5T_GAS GAS1 2 MDS62110205 7 5T_GAS GAS3 2 MDS61887708 12 5T_GAS GAS2 4 MDS62110204 5 5T_GAS GAS1 1 MDS62110204 5 5T_GAS GAS2 1 MDS61887710 9 5T_GAS GAS2 3 MDS61887710 9 5T_GAS GAS5 3 MDS61887708 12 5T_GAS GAS5 4 MDS62110206 6 5T_GAS GAS5 MDS62110205 7 5T_GAS GAS5 2 MDS62110204 5 5T_GAS GAS5 1 MDS62110209 GAS1 5 8 5T_GAS MDS62110209 GAS2 5 8 5T_GAS MDS621...

Страница 37: ...TURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC L DIM_SCLK 18pF 50V OPT C2103 2 2K R2100 LED_DRIVER_D L 18pF 50V OPT C2102 18pF 50V C2100 OPT V_SYNC L DIM_MOSI 18pF 50V OPT C2104 18pF 50V OPT C2101 2 2K R2101 LED_DRIVER_D L LED_DRIVER_D L_SDA 12507WR 08L P2100 L DIM_LED DRIVER 1 2 3 4 5 6 7 8 9 3 3V_Normal LED_DRIVER_D L_SCL L DIM_LED 20101023 21 GP2R ...

Страница 38: ...06 C 5 0 5 3 L507 P3904 Q 5 0 5 0 L508 IC401 C 5 0 5 5 L509 IC402 IC403 C 5 0 5 7 C 5 0 5 8 C485 IC405 IC406 C293 IC407 C488 C 5 0 6 2 JK9901 C3701 JK9902 C 5 0 6 6 JK9903 C 5 0 6 7 C 5 0 6 8 C3705 Q3701 C3706 C3707 C3708 AR1201 C3709 D822 AR1202 AR1203 AR1204 AR1205 D825 C 5 0 7 1 AR1206 D826 AR1207 C 5 0 7 3 AR1208 AR1209 C3711 C3713 Q 1 0 0 1 C 1 0 0 7 C 1 0 0 8 AR1210 R 5 0 5 4 AR1211 C3719 R ...

Страница 39: ... 3 0 5 R 3 7 0 6 R 1 1 2 C 1 2 1 2 C 1 2 1 3 R 3 7 0 7 C 1 2 1 4 C 3 7 3 0 I C 3 7 0 1 C 1 2 1 5 C 3 7 3 1 C 1 2 1 6 I C 3 7 0 3 C 1 2 1 7 C 1 2 1 8 C 1 2 1 9 R 5 0 7 1 R 5 0 7 3 C 1 6 0 4 R 5 0 7 4 R 1 0 0 1 Q 1 6 0 1 R 1 0 0 2 Q 1 6 0 2 C 1 6 0 7 R 5 0 7 7 C 1 6 0 8 C 1 2 2 0 R 1 0 0 5 C 1 6 0 9 R 1 2 1 C 1 2 2 1 R 1 0 0 6 C 1 2 2 2 Q 1 6 0 7 R 3 1 7 C 1 2 2 3 R 1 0 0 8 R 3 1 8 Q 1 6 0 8 C 1 2 2...

Страница 40: ......

Страница 41: ...ck Power Board or Module Check IC402 3 5 7 Output Voltage IC402 2 5V IC403 1 26V IC405 3 3V IC407 1 5V Replace IC402 3 5 7 Re download Micom software Check Micom Voltage IC1002 pin 48 3 5V Replace L404 Check LVDS Power Voltage Q409 12V Replace Q409 Check Mstar LVDS Output Replace Mstar IC101 or Main Board Change Module ok ok ok ok ok ok ok ok ok ok No No No No No No No No No No Check X201 Clock 24...

Страница 42: ... TU3702 17 18 Pin Replace IC3703 Check Tuner 5V Power L3702 Check IC406 IC410 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok ok No No No No No Replace IC406 IC410 No Bad Tuner Replace Tuner Replace L3702 ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 43: ... TU3702 11 Pin Replace IC3703 Check Tuner 5V Power L3702 Check IC406 IC410 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok ok No No No No No Replace IC406 IC410 No Bad Tuner Replace Tuner Replace L3702 ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 44: ...onent Cable for damage or open conductor Check JK1601 or 1603 Y PB PR signal Line ok ok ok No Replace Jack ok Check CVBS_DET Signal Replace R9915 or R1666 No Check Mstar LVDS Output Replace Mstar IC100 or Main Board No Check COMP_DET Signal Replace R1614 R4223 or R1615 No Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for...

Страница 45: ...1143 SDA SCL Check JK1104 H V_Sync R G B Signal Line ok ok ok No No Replace the defective IC or re download EDID data ok Replace Jack Check DSUB_DET Replace R1146 or R1147 No Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 46: ... download EDID data Check HDCP Key NVRAM IC103 Power I2C Signal Replace the defective IC ok No Replace Jack Check HDMI Signal Check other set If no problem check signal line ok No Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No Replace Main Board No Check HDMI_DET HPD No ok Replace R830 R828 R862 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service p...

Страница 47: ...mage Replace speaker ok No Off Toggle the Menu Check AMP IC IC501 Power 24V 3 3V 1 8V No Check Regulator IC404 Check Mstar I2S Output R503 R504 R505 No Check signal line Or replace Mstar IC101 Check Mstar AUDIO_MASTER_CLK TP502 No Replace Mstar IC101 or Main Board ok Check AMP I2C Line R506 R507 No Check signal line Or replace Mstar IC101 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only...

Страница 48: ...03 Check Tuner 1 2V Power IC3703 2 pin 1 2V Check IF_P N Signal TU3702 17 18 Pin Replace IC3703 Check Tuner 5V Power L3702 Check IC406 IC410 ok ok ok ok No No No No Replace IC406 IC410 No Bad Tuner Replace Tuner Replace L3702 ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 49: ...L3703 Check Tuner 1 2V Power IC3703 2 pin 1 2V Check CVBS Signal TU3702 11 Pin Replace IC3703 Check Tuner 5V Power L3702 Check IC406 IC410 ok ok ok ok No No No No Replace IC406 IC410 No Bad Tuner Replace Tuner Replace L3702 ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 50: ...k ok No Replace Jack Follow procedure 8 All source audio trouble shooting guide Follow procedure 8 All source audio trouble shooting guide 13 RGB Audio Check Cable conductors for damage or open conductor Check JK1104 Signal Line ok No ok Replace Jack Follow procedure 8 All source audio trouble shooting guide Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purpo...

Страница 51: ...GP3 Carry Over 모델 Block Diagram LG Electronics LCD TV 연구소 연구 1실 AT1 그룹 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 52: ...h 1Gbit H27U1G8F2BTR BC PCM_A 0 7 FFC 30P TMDS HDMI CVBS L R CONTROL IR LED SOFT TOUCH NEC_EEPROM _SCL SDA LED_R BUZZ KEY1 KEY2 IR LED_B LG LOGO SOFT TOUCH _SCL SDA GP2 대비 변경부품 보라색 font AT24C1024BN SH T 1Mbit HDCP EEPROM CAT24C08WI I2C MICOM EEPROM AT24C16BN SH T 16Kbit RGB EEPROM AT24C16BN SH T I2C I2C HDMI EEPROM AT24C02BN SH T I2C DDR3 256M 1Gb 667Mhz 1333 Hynix H5TQ1G63DFR DDR3 256M 1Gb 667Mhz...

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