LG 55LV355C-UA Page 1 Service Manual Download

Page: 1 / 47

LED LCD TV

SERVICE MANUAL

CAUTION

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

CHASSIS : LA0AC

MODEL : 55LV355C

55LV355C-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 : MFL67234710(1109-REV00)

Summary of Contents for 55LV355C-UA

Page 1: ... READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA0AC MODEL 55LV355C 55LV355C 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 MFL67234710 1109 REV00 ...

Page 2: ...ctronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLESHOOTING GUIDE 15 BLOCK DIAGRAM 25 EXPLODED VIEW 26 SCHEMATIC CIRCUIT DIAGRAM ...

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: ...y 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 1 ATSC NTSC M 2 Available Channel 1 VHF 02 13 2 UHF 14 69 3 DTV 02 69 4 CATV 01 135 5 CADTV 01 135 3 Input Voltage 1 AC 100 240V 50 60Hz Mark 110V 60Hz N America 4 Ma...

Page 7: ...55 Edge LED 77 3 Color coordinate RED X Typ 0 635 Typ 22LV255C UA AUO 22 Edge LED Y 0 03 0 349 0 03 GREEN X 0 332 Y 0 619 BLUE X 0 155 Y 0 055 WHITE X 0 313 Y 0 329 Color coordinate RED X Typ 0 630 Typ 26LV255C UA AUO 26 Edge Y 0 03 0 340 0 03 LED GREEN X 0 340 Y 0 620 BLUE X 0 150 Y 0 040 WHITE X 0 280 Y 0 290 Color coordinate RED X Typ 0 637 Typ 42LV355C UA AUO 42 Edge Y 0 03 0 341 0 03 LED GREE...

Page 8: ...5LV355C UA AUO MEDIUM 0 270 0 285 0 300 9300K The W B Tolerance is 0 015 for 0 278 0 293 0 308 picture quality by DQA WARM 0 298 0 3130 0 324 6500K 0 314 0 329 0 344 8 Response time 3 9 ms G to G N A 6 Component Video Input Y CB PB CR PR No Resolution H freq kHz V freq kHz Pixel clock Proposed 1 720 480 15 73 60 13 5135 SDTV DVD 480I 2 720 480 15 73 59 94 13 5 SDTV DVD 480I 3 720 480 31 50 60 27 0...

Page 9: ...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 4 800 600 37 879 60 31 40 00 VESA SVGA O 5 1024 768 48 363 60 00 65 00 VESA XGA O 6 1280 768 47 776 59 870 79 5 CVT WXGA X 7 1360 768 47 712 60 015 85 50 VESA WXGA O DTV 1 720 480 31 47 60 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 1280 720 45 00 60 00 74 25 HDTV 720P 4 1280 720 44 96 ...

Page 10: ... in Final Assembly if needed Adjustment items in both PCBA and final assembly stages can be checked by using the INSTART Menu 1 ADJUST CHECK 3 2 Final Assembly adjustment 1 White Balance adjustment 2 RS 232C functionality check 3 Factory Option setting per destination 4 Shipment mode setting IN STOP 3 3 Etc 1 Ship out mode 2 Service Option Default 3 USB Download S W Update Option Service only 4 IS...

Page 11: ...B HDMI Cable 4 2 4 EDID DATA 1 North America HDMI1 EDID C S 03CC EDID Block 0 Block1 HDMI2 EDID C S 03BC Block0 Block1 RGB EDID C S 1C Block0 5 Final Assembly Adjustment 5 1 White Balance Adjustment 5 1 1 Overview 5 1 1 1 W B adj Objective How it works 1 Objective To reduce each Panel s W B deviation 2 How it works When R G B gain in the OSD is at 192 it means the panel is at its Full Dynamic Rang...

Page 12: ...selecting OFF you can adjust using RF signal in 204 Gray pattern Adj condition and cautionary items 1 Lighting condition in surrounding area Surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location Color Analyzer CA 210 probe should be within 10cm and perpendicular of the module surface 80 100 3 Aging time After Aging Start Keep the Power ON status...

Page 13: ...ess Hi pot test Remove A V CORD from A V JACK BOX 5 HI POT test Auto If Test is failed Buzzer operates If Test is passed GOOD Lamp on and move to next process automatically 6 2 Checkpoint TEST voltage GND 1 5KV min at 100mA SIGNAL 3KV min at 100mA TEST time 1 second TEST POINT GND TEST POWER CORD GND SIGNAL CABLE METAL GND Internal Pressure TEST POWER CORD GND LIVE NEUTRAL LEAKAGE CURRENT At 0 5mA...

Page 14: ...Copying files from memory 4 Updating is starting 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option Explain the Tool option next stage If downloading version 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 pro...

Page 15: ...ltage P403 2pin 24V or 24V 17pin 12V Replace Power Board Check Inverter Control Error Out P403 18 pin High P403 24 pin low Check 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 R...

Page 16: ...able 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 ...

Page 17: ... Cable Signal Check Tuner 3 3V Power L3703 Replace 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 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 ...

Page 18: ...nal Line R246 R4016 ok ok ok No Replace Jack 5 Component Video Check input signal format Is it supported Check Component 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 ...

Page 19: ...Is it supported Check RGB Cable conductors for damage or open conductor Check EDID EEPROM IC1105 I2C Signal R1141 R1143 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 ...

Page 20: ...heck EDID EEPROM IC801 IC802 IC804 I2C Signal Check JK801 JK802 JK803 ok ok ok No No Replace the defective IC or re 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 ...

Page 21: ...ok No Check Connector P501 Replace connector if found to be damaged ok No Check speaker resistance and connector damage 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 Lin...

Page 22: ...Cable Signal Follow procedure 8 All source audio trouble shooting guide ok 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 ok ok ok ok No No No No Replace IC406 IC410 No Bad Tuner Replace Tuner Replace L3702 ok ...

Page 23: ...F Cable Signal Follow procedure 8 All source audio trouble shooting guide ok Check Tuner 3 3V Power L3703 Replace 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 ...

Page 24: ...o Replace Jack 11 AV Audio Check AV Cable for damage for damage or open conductor Check JK1604 JK9001 Signal Line ok 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 audi...

Page 26: ...chanical 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 IMPORTANT ...

Page 27: ..._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_A9 DDR2_A9 AD2 FRC_DDR3_A10 DDR2_A11 AD16 FRC_DDR3_A11 DDR2_A4 AD15 FRC_DDR3_A12 DDR2_A8 AE16 FRC_DDR3_BA0 DDR2_BA2 AF3 FRC_DDR3_BA1 DDR2_ODT AF14 FRC_DDR3_BA2 DDR2_A12 AD1 FRC_DDR3_MCLK DDR2_MCLK AD13 FRC_DDR3_CKE DDR2_RASZ AE14 FRC_DDR3_MCLKZ DDR2_MCLKZ AE13 FRC_DDR...

Page 28: ...C 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_DA GPIO30 B4 DDCDD_CK GPIO29 C4 HOTPLUGD GPIO22 E5 CEC GPIO5 D6 HSYNC0 G5 VSYNC0 G6 RIN0P K1 RIN0M L3 GIN0P K3 GIN0M K2 BIN0P J3 BIN0M J2 SOGIN0 J1 HSYNC1 G4 VSYNC1 H6 RIN1P K5 RIN1M K4 GIN1P J4 GIN1M K6 BIN1P H4 BIN1M J6 SOGIN1 J5 HSYNC2 H5 RIN2P N3 RIN2M N2 GIN2P M2 GIN2M M1 BIN2P L2 BIN2M L1 SOGIN...

Page 29: ...5 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 3 AB25 B2M RLV8N GREEN 2 AB24 B3P TCON11 BLUE 9 AC24 B3M TCON10 BLUE 8 AD26 ...

Page 30: ...9 0120P N2 L407 a_BEAD_MAG 3 3V_Normal 3 5V_ST POWER_ON OFF2_1 10K R421 24K 1 R442 10uF 10V C403 100uF 16V C402 FM20020 24 P404 OPT 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 68uF 35V C426 100 R402 0 01uF 25V C436 NR8040T3R6N 3 6uH L406 12V 15V 0 1uF 16V C424 47K R429 0 1uF 16V C485 AZ2940D 2 5TRE1 IC402 2 GND 3 VOUT 1 VIN 1 8W 75K 1 R441 2SC3052 Q405 E B C...

Page 31: ... 10K R1006 OPT 10K OPT R1011 3 5V_ST 3 5V_ST 22 R1076 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 R1074 MICOM_RESET FLMD0 1 16W 20K 1 R1047 2 2 1 4 0 1 R 22 R1056 2 2 7 3 0 1 R NEC_ISP_Rx S T_SCL 3 5V_ST RL_ON NEC_EEPROM_SDA MICOM_RESET EDID_WP 22 R1055 22 R1043 PANEL_CTL 10K R1005 OPT 10K R1050 2 2 8 6 0 1 R 22 R1008 POWER_DET 10K OPT R1...

Page 32: ...IR 0 1uF C2401 100 R2412 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 JP2411 AMOTECH 5 6V D2401 3 5V_ST 3 5V_ST BLM18PG121SN1D L2402 47K R2429 OPT KEY2 LED_R BUZZ CDS3C05HDMI1 5 6V D903 18pF 50V OPT C907 0 R2427 3 5V_ST S T_SCL 100 R...

Page 33: ...SB1_CTL 1 8W 2K 1 R1458 4 7K OPT R1455 SIDE_USB_DM MLB 201209 0120P N2 120 ohm L1451 a_BEAD_MAG 10K R1454 3 3V_Normal 47 R1451 CIS21J121 L1451 1 BEAD_SS M A E R T S N W O D B S U G L C Z 5 0 3 S 4 0 U A 3 JK1450 a_USB_JACK 1 2 3 4 5 AP2191DSG EAN61849601 IC1450 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC USB DOWN STREAM 3AU04S 345 ZC H LG JK1450 1 USB_JACK_LV3400 1 2 3 4 5 RCLAMP0502BA D14...

Page 34: ...K 4 D1 1 D2 17 9 D0 8 D0_GND 3 D2 16 7 D0 6 D1 15 22 R881 D802 OPT GND 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 HDMI_CEC 1 8K R804 1K R897 0 1uF 16V C810 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_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA...

Page 35: ...47 AT24C02BN SH T IC1105 RGB_EEMPROM_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 W P 8 VCC 30V D1110 18pF 50V C1127 DSUB_HSYNC DSUB_B PEJ027 01 JK1102 6B T_TERMINAL2 7B B_TERMINAL2 5 T_SPRING 4 R_SPRING 7A B_TERMINAL1 6A T_TERMINAL1 3 E_SPRING AMOTECH 5 6V OPT D1102 5 6V D1117 OPT 15K R1108 22 R1141 R1EX24002ASAS0A IC1105 1 a_RGB_EEMPROM_RENESAS 3 A2 2 A1 4 VSS 1 A0 5 SDA 6 SCL 7 W P 8 VCC 2 2K R1139...

Page 36: ...9 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 1uF C1105 100 R10067 IR_OUT RS232C 20101023 GP2R RS232C_9PIN 10 Co...

Page 37: ... R710 PWM_DIM RXBCK 0 1uF 16V C710 SCAN_BLK1 OPC_OUT RXB2 RXD2 RXD1 FI RE51S HF J R1500 P703 42or55INCH 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 FI RE41S HF J R1500 P704 55INCH 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 32 33 34 35 36 37 38 39 40 41 42 ...

Page 38: ..._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_WEZ DDR2_BA0 N26 B_DDR3_RESETB R25 B_DDR3_DQSL DDR2_...

Page 39: ...l 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 a_S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC SFLASH_1MB 20101023 13 GP2R FLASH Copyright 201...

Page 40: ... 12 GND 11 VIDEO 2 BST_CTL 10 NC_4 4 NC_1 RF_AGC 1 RF_S W_CTL 17 DIF_1 N 9 SIF 8 NC_3 3 B1 5V 16 IF AGC 7 SDAT 6 SCLT 15 RESET 18 DIF_2 P SHIELD 19 22uF 10V C3723 1K OPT R3750 0 1uF 16V C3740 100 OPT R3702 CONTROL_ATTEN 5V_TU 1 2V 1 8V_TU BLM18PG121SN1D L3701 OPT 22uF 10V C3719 0 1uF 16V C3708 UDA55AL TU3702 3 O Y N A S _ H _ T U P N I 1 _ C S T A _ 3 P G _ a 14 3 3V 13 1 2V 5 AS 12 GND 11 VIDEO 2...

Page 41: ...0V C529 10uF 10V C433 OPT 10uF 10V C511 OPT 0 R536 1N4148W 100V OPT D504 12 R524 10uF 35V C521 3 3V_Normal 0 1uF 50V C526 1000pF 50V C516 AUD_MASTER_CLK 22pF 50V OPT C544 100 R514 18pF 50V C507 0 1uF 50V C519 TP502 22pF 50V OPT C546 AMP_RESET POWER_DET 1 8V_AMP 12 R523 D 1 N S 1 2 1 G P 8 1 M L B L501 4 7K R527 22000pF 50V C524 22000pF 50V C518 24V 3 3V_Normal 100pF 50V C504 100 R503 0 47uF 50V C5...

Page 42: ...617 12K R1636 TP1610 30V D1615 COMP2_Pr ET_RXD1 30V D1614 12K R1689 1000pF 50V C1616 OPT TP1615 470K R1671 1K R1615 5 6V D1624 OPT 47pF 50V C1643 AV_L_IN 30V D1612 ET_TXD1 470K R1626 330pF 50V C1662 120 ohm L1610 AV_R_IN 12K R1688 ET_TXD0 10K R1684 PPJ234 01 JK1603 5A GN O SPRING 6A GN E LUG 4A GN CONTACT 7B BL E LUG S 5B BL O SPRING 7C RD E LUG S 5C RD O SPRING_1 5D WH O SPRING 4E RD CONTACT 5E R...

Page 43: ...P N2 L101 5 1V D105 12V 15V 510 R167 5 1V D101 5 1V D103 5 1V D104 3 9K R162 3 9K R165 OPT 510 R166 RJP_CTRL0 001 AN27 3 9K R161 0 0 1 u F C119 RJP_CTRL4 001 AN25 10K R114 47uF 25V C114 5 1V D102 0 0 1 u F C117 MJ 657PT 8 SD JK1105 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10K R130 RJP_CTRL1 001 AN27 10K R131 1uF 25V OPT C113 3 3V_Normal 510 R154 3 9K R152 0 0 1 u F C116 AO3407A Q102 G D S RJP_CTRL3 001...

Page 44: ...OPT R1904 4 7K R1910 2K R1981 SUB_MUTE 005 AL16 019 E22 EXT_SPK_DET EXT_SPK_R 002 U7 10K R1908 47uF 25V C1919 0 R10080 OPT 3 5V_ST TPA3124D2PWPR IC1901 3 PVCCL_2 2 SD 4 MUTE 1 PVCCL_1 6 RIN 5 LIN 7 BYPASS 8 AGND_1 9 AGND_2 10 PVCCR_1 11 VCLAMP 12 PVCCR_2 13 PGNDR_1 14 PGNDR_2 15 ROUT 16 BSR 17 GAIN1 18 GAIN0 19 AVCC_1 20 AVCC_2 21 BSL 22 LOUT 23 PGNDL_1 24 PGNDL_2 0 1uF 50V C1908 EXT_OUT_L 10uF 35...

Page 45: ... IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 5 0 2 0 1 1 2 6 S D M GAS2 5 0 2 0 1 1 2 6 S D M GAS1 MDS62110209 GAS3 MDS62110209 GAS5 SMD GASKET SMD_GAS 20101023 20 GP2R Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 46: ... SYMBOL MARK OF THE SCHEMETIC L DIM_SCLK 18pF 50V OPT C2103 2 2K R2100 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_SDA 12507WR 08L P2100 1 2 3 4 5 6 7 8 9 3 3V_Normal LED_DRIVER_D L_SCL 3 3V_Normal 10K OPT R2103 10K OPT R2102 22 R4029 22 R4028 L DIM_LED 20101023 21 GP2R Copyright 2011 LG Electronics Inc All rights reserved...

Page 47: ......

Search results

Summary of Contents for 55LV355C-UA

Reviews:

Related manuals for 55LV355C-UA

Brands by name

Popular brands

LG 55LV355C-UA, Service Manual

Search results

Summary of Contents for 55LV355C-UA

Reviews:

Related manuals for 55LV355C-UA

Brands by name

Popular brands