LG 49LX761H Service Manual Download Page 20

Page: 20 / 58

- 20 -

LGE Internal Use Only

Only for training and service purposes

TROUBLESHOOTING GUIDE

1. Power-Up Boot Fail Trouble Shooting guide

Check P2300 All

Voltage Level (13.5V)

Check P2300 All

Voltage Level (13.5V)

Check power connector and

RL_ON signal OK ?

Replace Power Board

Check switch SW8700.

Check X8701 application circuit

or Replace X8701

Check IIC line or replace IC8700

Check IR board

Check power connector and

RL_ON signal OK?

Replace Power Board

Check Q2302 output

Voltage(13.5V)

Check IC8700 RESET pin

Check Q2302 application

circuit

Or replace Q2302

Check LVDS Cable

Check X8701 Clock

10MHz

Check IR input state of IC8700

13pin

Replace Cable

Check LCD Module

Control board

Check IC8700 IIC

Communication status

Re-download NEC Micom

YES

2. No OSD Trouble Shooting guide

Summary of Contents for 49LX761H

Page 1: ...ODEL 49LX761H 49LX761H ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ...l rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING GUIDE 20 BLOCK DIAGRAM 27 EXPLODED VIEW 28 SCHEMATIC CIRCUIT DIAGRAM APPENDIX ...

Page 3: ...inals etc to be sure the set is safe to operate 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 m...

Page 4: ...ctrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharg ing 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 e...

Page 5: ...he 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 replace...

Page 6: ...ion No Item Specification Remarks 1 Market EU PAL Market 37Countries DTV Analog Total 37 countries DTV MPEG2 4 DVB T 26 countries Germany Netherland Switzerland Hungary Austria Slove nia Bulgaria France Spain Belgium Luxemburg Greece Czech Turkey Moroco Ireland Latvia Estonia Lithuania Poland Portugal Romania Albania Bosnia Slovakia Beralus DTV MPEG2 4 DVB T2 11 countries UK Ireland Sweden Denmark...

Page 7: ...tem 1 Digital TV DVB T T2 DVB C DVB S S2 2 Analogue TV PAL SECAM B G I D K SECAM L L 3 Program coverage 1 Digital TV VHF UHF C Band Ku Band 2 Analogue TV VHF E2 to E12 UHF E21 to E69 CATV S1 to S20 HYPER S21 to S47 4 Receiving system Analog Upper Heterodyne Digital COFDM QAM DVB T Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7...

Page 8: ... SVC download JPEG MP3 DivX HD 10 Ethernet Connect 2EA Ethernet Connect 11 PCMCIA Card slot 1EA PCMCIA slot 12 Speaker Out 2EA External Volume External Volume Control 13 LAN LAN AUX LAN Digital TV Depending on Country Analogue TV Depending on Country Televison System DVB T T2 DVB C DVB S S2 PAL SECAM B G I D K SECAM L L Programme Coverage VHF UHF C Band Ku Band VHF E2 to E12 UHF E21 to E69 CATV S1...

Page 9: ...080I 9 1920 1080 33 75 60 00 HDTV 1080I 10 1920 1080 26 97 23 976 HDTV 1080P 11 1920 1080 27 00 24 000 HDTV 1080P 12 1920 1080 33 71 29 97 HDTV 1080P 13 1920 1080 33 75 30 00 HDTV 1080P 14 1920 1080 56 25 50 00 HDTV 1080P 15 1920 1080 67 432 59 94 HDTV 1080P 16 1920 1080 67 5 60 00 HDTV 1080P PC 1 640 x 350 70Hz 31 46 70 09 EGA 2 720 x 400 70Hz 31 46 70 08 DOS 3 640 x 480 60Hz 31 46 59 94 VESA VGA...

Page 10: ... minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Adjustment items 3 1 Main PCB check process MAC Address Download CI Key Download Widevine key Download ESN Download HDCP 1 4 2 0 Download Above adjustment items can be also performed in Final Assembly if needed Both Board level and Final a...

Page 11: ...s P ONLY key of service remote control Baud rate 115200 bps Connect RS 232C Signal to USB Cable to USB Write Serial number by use USB port Must check the serial number at Instart menu 4 4 2 Method notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manufacturing Technology Group 3 Serial number D L must be conformed when it is produced in production line b...

Page 12: ...52d21c1ed5dcx CI Key Value 4 6 WIFI MAC ADDRESS CHECK 1 Using RS232 Command 2 check the menu on in start 5 Manual Adjustment 5 1 ADC adjustment is not needed because of OTP Auto ADC adjustment 5 2 EDID DATA 5 2 1 2D EDID Reference HDMI1 HDMI2 In the data of EDID below may be different by S W or Input mode ⓐ Product ID ⓑ Serial No Controlled on production line ⓒ Month Year Controlled on production ...

Page 13: ...ng auto adj RS 232C protocol is needed 3 Adjust Remote control 4 Video Signal Generator MSPG 925F 720p 204 Gray Model 217 Pattern 49 Color Analyzer Matrix should be calibrated using CS 1000 5 3 4 Equipment connection MAP 5 3 5 Adj Command Protocol Command Format START 6E A 50 A LEN A 03 A CMD A 00 A VAL A CS A STOP LEN Number of Data Byte to be sent CMD Command VAL FOS Data value CS Checksum of se...

Page 14: ...in is 255 5 Adjust two modes Medium Warm Fix the one of R G B gain to 192 default data and decrease the others 6 Adj is completed Exit adjust mode using EXIT key on Remote control 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 PDP Color Analyzer CA 100 CA 100 CA21...

Page 15: ...the HDMI ARC port from the master equipment HDMI1 2 Check the sound from the TV Set 3 Check the Sound from the Speaker or using AV Optic TEST program It s connected to MSHG 600 Remark Inspect in Power Only Mode and check SW version in a master equipment NC4 0 Aging time Min Cool Medium Warm X y x y x y 271 270 286 289 313 329 1 0 5 286 295 301 314 328 354 2 6 10 284 290 299 309 326 349 3 11 20 282...

Page 16: ...below 10 If Data isn t below 10 in 6 seconds Eye Q sensor would be bad You should change Eye Q sensor 5 Uncover your hands from Eye Q sensor hold it for 6 seconds 6 Check Back Light xxx on the screen check data increase You should change Eye Q sensor 5 7 Wi Fi Test 1 Turn on TV 2 Select Wi Fi Connection option in Network Menu Press the Instart button first and blue button after press the etc butto...

Page 17: ... allow the pallet to move on to next process 6 2 2 Checkpoint TEST voltage 1 DQA Test GND AC 1 5KV 1min Cut off current not exceed 100mA SIGNAL AC 3 0KV 1min Cut off current not exceed 100mA 2 Mass Production Line Test GND AC 1 5KV 1sec Cut off current not exceed 100mA TEST time DQA 1min Mass Production Line 1 sec TEST POINT GND TEST POWER CORD GND SIGNAL CABLE METAL GND Hi pot TEST POWER CORD GND...

Page 18: ...tatus of the Check JIG IR LED OK condition blinking LED 1 9 2 2 DC Power Outlet Equipment Condition Simple Jig commercial check JIG 1 Connect JIG for inspection to RS 232C port on TV as below 2 Enter the Configuration Setup mode in pressing Remote control keys The method to enter Configuration Setup mode IN START MENU Configuration Setup OK 1 Select 5V DC Power Outlet and change the setting Off 5V...

Page 19: ...support Equipment Condition Simple Jig External Clock Assy Power only mode 1 Connect external Clock Assy to CLOCK INTERFACE 2 Check the LED CLOCK LED Clock Check LED Clock in Power on mode 9 4 Pro Idiom Check 1 Connect the RF Cable PAL B G 2 Turn to the Pro Idiom channel CH No 333 3 Check the video sound Only displayed at POWER ONLY mode ...

Page 20: ...k X8701 application circuit or Replace X8701 Check IIC line or replace IC8700 Check IR board Check power connector and RL_ON signal OK Replace Power Board Check Q2302 output Voltage 13 5V Check IC8700 RESET pin Check Q2302 application circuit Or replace Q2302 Check LVDS Cable Check X8701 Clock 10MHz Check IR input state of IC8700 13pin Replace Cable Check LCD Module Control board Check IC8700 IIC ...

Page 21: ... 3 3V power L6500 Check IC2300 Check IC2300 Replace IC2300 Check tuner 1 2V power IC6700 6pin 1 2V Check IIC Signal TU6702 Pin 4 5 Check X101 and application circuit Check LG1311 LVDS output Check IF Signal TU6702 Pin 6 7 Replace IC101 Replace IC6700 Replace TU6702 Replace X101 Replace IC101 Replace TU6702 NO NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES YES First of all Check whether all...

Page 22: ...put of LG1311 IC101 Measure waveform at C326 because it s more easy to check Can you see the normal waveform This board has big problem because Main chip LG1311 IC101 have some troubles After checking thoroughly all path once again You should decide to replace Main IC or not Check input signal format Is it supported Check AC cable for damage For damage or open conductor Replace JK4600 NO YES YES Y...

Page 23: ...t of LG1311 IC101 Measure waveform at AR3200 AR3202 because it s more easy to check Can you see the normal waveform This board has big problem because Main chip LG1311 IC101 have some troubles After checking thoroughly all path once again You should decide to replace Main IC or not Check input signal format Is it supported Check AC cable for damage For damage or open conductor Replace JK3202 JK320...

Page 24: ...y for training and service purposes 7 Analog RF Audio Trouble Shooting guide Check Audio AMP output L5602 L5603 L5604 L5605 Check IC5600 Replace IC101 Check RF cable signal Check TU6702 Pin 6 7 Replace L5602 L5603 L5604 L5605 Replace Tuner Replace IC5600 NO NO NO YES YES YES YES ...

Page 25: ... C319 because it s more easy to check Can you see the normal waveform This board has big problem because Main chip LG1311 IC101 have some troubles After checking thoroughly all path once again You should decide to replace Main IC or not Check Audio AMP output L5602 L5603 L5604 L5605 Check input signal format Is it supported Check AC cable for damage For damage or open conductor Replace JK4600 Repl...

Page 26: ... waveform Check Audio AMP output L5602 L5603 L5604 L5605 This board has big problem because Main chip LG1311 IC101 have some troubles After checking thoroughly all path once again You should decide to replace Main IC or not Check input signal format Is it supported Check AC cable for damage For damage or open conductor Replace JK3202 JK3203 Replace L5602 L5603 L5604 L5605 NO NO YES YES YES YES ...

Page 28: ... electrical 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 Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPO...

Page 29: ...C1 XIN_MAIN B23 XO_MAIN A23 PORES_N AG21 BOOT_MODE AJ18 PLLSET0 AB8 PLLSET1 AC8 OPM0 AD8 OPM1 AE8 L_VSOUT_LD TRST0_N Y7 DIM0_SCLK TMS0 Y6 DIM1_SCLK TCK0 W7 DIM1_MOSI TDI0 W6 DIM0_MOSI TDO0 W5 SPI_CS0 AG30 SPI_SCLK0 AG28 SPI_DO0 AG29 SPI_DI0 TRST1_N AH29 SPI_CS1 TMS1 AJ27 SPI_SCLK1 TCK1 AH27 SPI_DO1 TDO1 AG26 SPI_DI1 TDI1 AH26 EXT_INTR0 AJ12 EXT_INTR1 AJ13 EXT_INTR2 AH12 EXT_INTR3 AG12 UART0_RXD AH...

Page 30: ...DATA5 B25 TPI_DATA6 A25 TPI_DATA7 C25 GPIO31 AG13 GPIO30 AJ19 GPIO29 AG14 GPIO28 AG15 GPIO27 AJ15 GPIO26 AH19 GPIO25 AH18 GPIO24 AG19 GPIO23 AH5 GPIO22 AJ5 GPIO21 AJ6 GPIO20 AH6 GPIO19 AG6 GPIO18 AG5 GPIO17 AF7 GPIO16 AG7 GPIO15 AG24 GPIO14 AH16 GPIO13 V29 GPIO12 AJ21 GPIO11 AH21 GPIO10 V28 GPIO9 AG16 GPIO8 AJ24 GPIO7 AH17 GPIO6 AG17 GPIO5 AH13 GPIO4 AH15 GPIO3 AG18 GPIO2 AH14 GPIO1 AJ16 GPIO0 AH2...

Page 31: ...ARD_PWR_SEL SD_EMMC_DATA 1 DDR3_OPT2 SMARTCARD_DATA SD_EMMC_CLK DDR3_OPT1 SMARTCARD_VCC SD_EMMC_CMD SMARTCARD_CLK SD_EMMC_DATA 0 SMARTCARD_RST SD_EMMC_DATA 2 C334 0 01uF 50V EU C336 0 01uF 50V EU C331 15pF 50V TU_ALL_IntDemod R395 0 OPT R11031 10K OPT R11032 10K OPT AR301 0 EU C338 0 47uF 6 3V IC101 LG1311 C1 CVBS_IN1 AL27 CVBS_IN2 AK26 CVBS_IN3 AM27 CVBS_VCM AL26 BUF_OUT1 AN27 SC1_SID AL25 SC1_FB...

Page 32: ... 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 A15 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 E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 V...

Page 33: ...4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_9 P1 VSS_10 P9 VSS_11 T1 VSS_12 T9 VSSQ_1 B1 VSSQ_2 B9 VSSQ_3 D1 VSSQ_4 D8 VSSQ_5 E2 VSSQ_6 E8 VSSQ_7 F9 VSSQ_8 G1 VSSQ_9 G9 MT41K256M16HA 125 E IC501 1 DDR_512MB_MICRON 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 D...

Page 34: ...X_2 W12 AVDD11_C4TX_3 Y12 AVDD11_C4TX_4 AA12 DVDD11_XTAL G18 DVDD11_DR3PLL H18 DVDD11_CVBSPLL AF23 AVDD11_DMD_1 AF24 AVDD11_DMD_2 AF25 DVDD18_EMMC_1 L26 DVDD18_EMMC_2 M26 IC101 LG1311 C1 GND_1 B22 GND_2 B24 GND_3 C22 GND_4 C23 GND_5 C24 GND_6 D4 GND_7 D5 GND_8 D6 GND_9 D20 GND_10 D21 GND_11 E6 GND_12 E20 GND_13 E21 GND_14 F6 GND_15 F7 GND_16 F8 GND_17 F18 GND_18 F19 GND_19 F20 GND_20 F21 GND_21 G7...

Page 35: ..._IN_TS_VAL CI_TS_VAL CI_ADDR 1 CI_ADDR 11 PCM_INPACK CI_TS_DATA 3 5V_CI_ON CI_TS_DATA 5 CI_ADDR 9 R707 10K CI CI_TS_DATA 7 CI_CD2 C704 0 1uF CI CI_DATA 0 7 CI_TS_DATA 6 CI_TS_DATA 4 CI_TS_SYNC C701 0 1uF 16V CI CI_TS_DATA 2 CI_IN_TS_DATA 0 7 CI_ADDR 7 5V_CI_ON CI_ADDR 3 PCM_CE2 CI_ADDR 13 5V_CI_ON R715 100 CI R722 10K CI CI_ADDR 5 PCM_WAIT CI_ADDR 2 CI_ADDR 6 R716 100 CI PCM_CE2 CI_IN_TS_SYNC PCM_...

Page 36: ...2 15 SW_1 16 SW_2 R2308 18K 1 16W 1 13V R2316 100 1 16W 1 R2320 560K 1 10W 5 R2310 1K L2312 R2313 4 7 1 16W 5 C2319 0 1uF 16V R2327 24 9K 1 16W 1 IC2305 TPS563200 3 VIN 2 SW 4 VFB 1 GND 6 VBST 5 EN 13V R2328 11K 1 16W 1 L2305 BLM18PG121SN1D R2323 10K 1 16W 1 C2317 10uF 25V C2353 0 1uF 16V C2320 0 1uF 25V C2358 10pF 50V OPT C2322 22uF 10V 3 5V_ST C2323 22uF 10V R2312 10K 3 5V_ST POWER_DET IC2307 BD...

Page 37: ...0 TBR ESD_HDMI_TMDS 1 8 2 7 3 6 4 5 9 10 D3214 IP4294CZ10 TBR ESD_HDMI_TMDS 1 8 2 7 3 6 4 5 9 10 D3201 MHL A2 C A1 R3201 10K MHL R3202 330K MHL D3205 MMBD6100 HDMI_SW_SUZHOU A2 C A1 3 5V_ST R3270 4 7K HDMI_EXT_EDID Q3204 MMBT3904 NXP HDMI_EXT_EDID E B C R3269 1K HDMI_EXT_EDID R3251 33 HDMI_INT_EDID R3268 1K HDMI_EXT_EDID Q3209 MMBT3904 NXP HDMI_EXT_EDID E B C R3275 10K MHL 3 3V_NORMAL R3273 1K MHL...

Page 38: ...3404 SPG09 DB 010 CLOCK COM1 COM2 COM3 COM4 COM5 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 NC DATA7 GND DETECT SHILED CLK_COM2 CLK_DATA7 CLK_DATA5 R3416 470 CLOCK CLK_DATA3 CLOCK_DET R3419 470 CLOCK CLK_COM3 R3424 0 CLOCK R3417 470 CLOCK CLK_DATA6 CLK_DATA4 CLK_COM5 CLK_DATA1 R3422 470 CLOCK CLK_COM1 R3421 470 CLOCK C3415 0 1uF CLOCK CLK_COM4 R3425 0 CLOCK R3404 0 CLOCK R3403 0 CLOCK R3402 0 CLOCK R3401...

Page 39: ...JK3801 PEJ027 04 EXT_SPK 6B T_TERMINAL2 7B B_TERMINAL2 5 T_SPRING 4 R_SPRING 7A B_TERMINAL1 6A T_TERMINAL1 3 E_SPRING 3 5V_ST D3803 50V BAP70 02 R3834 1K R3849 3 6K R3851 3 6K R3844 4 7K 3 5V_ST 3 3V_NORMAL 3 3V_NORMAL IC3812 NLASB3157DFT2G EAN38256201 ANALOG SWITCH ON SEMICONDUCTOR 3 B0 2 GND 4 A 1 B1 6 SELECT 5 VCC SOC_DBG_TX RS232_TX C3811 0 1uF 3 5V_ST UART_SW1 C3822 0 1uF IC3804 NLASB3157DFT2...

Page 40: ... 16V OPT KEY1 WOL WIFI_POWER_ON R4005 10K 5 3 5V_ST C4001 0 1uF OPT IR C4008 1000pF 50V OPT 3 5V_WIFI R4008 10K 5 C4004 0 1uF C4005 0 1uF C4016 5pF 50V WIFI_DMDP_5pF R4001 100 P4000 SMAW200 H18S5 14 KEY2 9 SDA 4 USB_DM 18 GND 13 GND 8 GND 3 BT_RESET 17 LED_R 12 KEY1 7 WOL 2 3 5V_WIFI 16 3 5V_ST 11 SCL 6 USB_DP 1 GND 15 IR 10 GND 5 NC 19 GND WIFI_DP R4018 10 R4019 10 R4013 100 EYE_Q_CPU I2C_SCL2 R4...

Page 41: ...5 ZC LG 1 2 3 4 5 D4301 RCLAMP0582B USB_ESD_0582B D4301 1 RCLAMP0502BA USB_ESD_0502BA D4300 RCLAMP0582B USB_ESD_0582B D4300 1 RCLAMP0502BA USB_ESD_0502BA D4301 2 DF3D6 8MS Multi_Toshiba D4300 2 DF3D6 8MS Multi_Toshiba C4307 10uF 10V C4304 22uF 10V C4308 10uF 10V C4306 22uF 10V R4301 2 2 EOS_2 2ohm R4302 2 2 EOS_2 2ohm R4302 1 0 EOS_0ohm R4301 1 0 EOS_0ohm R4304 2 2 EOS_2 2ohm R4303 1 0 EOS_0ohm R4...

Page 42: ...4601 10K EU SC_CVBS_IN VA4611 5 6V EU_Amotech DTV MNT_L_OUT SC_R_IN VA4610 5 5V EU DTV MNT_R_OUT 3 3V_NORMAL SC_L_IN R4602 100 EU R4603 75 1 16W EU R4604 0 EU VA4612 5 6V NON_EU R4605 0 NON_EU AV_CVBS_DET 3 3V_NORMAL R4606 10K NON_EU JK4601 PPJ231 02 8 6 7 5 4 JK4600 PSC008 03 EU 1 AUDIO_R_OUT 2 AUDIO_R_IN 3 AUDIO_L_OUT 4 AUDIO_GND 5 B_GND 6 AUDIO_L_IN 7 B_OUT 8 ID 9 G_GND 10 D2B_IN 11 G_OUT 12 D2...

Page 43: ... C5608 22000pF 50V L5605 NRS6045T100MMGK 10 0uH I2S_AMP C5611 390pF 50V C5601 1uF 10V C5605 22000pF 50V L5603 NRS6045T100MMGK 10 0uH SPK_R SPK_L C5623 33pF 50V SPK_L AUD_LRCH C5600 1000pF 50V AMP_MUTE_MICOM 0 1uF C5603 16V 3 3V_NORMAL R5602 100 AMP_MUTE_MICOM 13V_AMP 0 1uF C5620 50V L5602 NRS6045T100MMGK 10 0uH R5600 10K AMP_MUTE_MICOM SPK_R C5616 0 47uF 50V Q5602 AO3407B AMP_EN_OLD G D S WOOFER_M...

Page 44: ..._OUT C6002 6800pF OPT Q6001 MMBT3904 NXP EU E B C L6000 EU SCART_ROUT IC6000 AZ4580MTR E1 EU 3 IN1 2 IN1 4 VEE 1 OUT1 5 IN2 6 IN2 7 OUT2 8 VCC R6011 2 2K EU Q6002 RT1P141C T112 EU_SCART_MUTE_ISAHAYA E B C R6014 1K EU R6013 1K EU Q6002 1 PDTA114ET EU_SCART_MUTE_NXP E B C R6001 10K EU R6003 10K EU C6001 4 7uF 10V EU C6006 4 7uF 10V EU Q6002 2 2N3906S RTK EU_SCART_MUTE_KEC E B C Q6002 3 MMBT3906 NXP ...

Page 45: ...U_M W FE_DEMOD1_TS_DATA 5 IF_AGC_TU TU_CVBS FE_DEMOD1_TS_ERROR L6503 BLM18PG121SN1D TU_M W 3 3V_NORMAL FE_DEMOD1_TS_DATA 6 LNB_TX L6500 BLM18PG121SN1D C6507 0 1uF 16V TU_M W C6502 0 1uF 16V TU_ALL_IntDemod_H15 R6516 200 TU_ALL_2178B I2C_SCL6 3 3V_NORMAL R6506 1K TU_ALL_IntDemod C6519 33pF C6503 47pF 50V OPT C6505 47pF 50V OPT C6520 33pF AR6500 33 1 16W TU_ALL AR6500 1 200 1 16W TU_W_BR TW L6506 TU...

Page 46: ... GND_1 14 MCLK 15 SYNC 16 VALID 17 D0 18 D1 19 D2 20 D3 21 D4 22 D5 23 D6 24 D7 25 RESET_DEMOD 26 3 3V_DEMOD 27 SCL_DEMOD 28 1 2V_DEMOD 29 NC_3 30 SDA_DEMOD 31 LNB 47 SHIELD 32 GND B1 B1 A1 A1 C6702 1000pF 630V TU_H M_CN R6701 0 TU_H W_EU JP C6710 1000pF 630V TU_H M_EU TDJH G301D TU6701 TU_H_EU 47 SHIELD 6 IF P 7 IF N 8 SIF 9 CVBS 1 3 3V 2 NC_1 3 IF_AGC 4 SCL_RF 5 SDA_RF A1 A1 B1 B1 IC6700 TJ2132G...

Page 47: ...901 PMV48XP G D S C6913 0 1uF 50V C6914 0 1uF 50V Q6902 MMBT3904 NXP E B C R6910 10K 1 16W 5 C6915 4 7uF 10V OPT 13V_M 13V R6909 150K R6908 36K 3 3V_NORMAL IC6900 1 A8303SESTR T 4M LNB_Allegro 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND L6900 15uH LPH6050T 150M R LNB AR6901 33 LNB IC6900 ...

Page 48: ...TXB4N TX0N TXA3P TX7P TXA2N TX9N R7200 0 CP_BOX TXB0N TX5N TXA1P TX10P R7213 3 3K BIT_SEL_HIGH 3 3V_NORMAL L7200 UBW2012 121F AUO_SHARP P7201 SP14 11592 01 51Pin 1 NC 2 NC 3 NC 4 NC 5 NC 6 NC 7 LVDS_SEL 8 NC 9 NC 10 L DIM_ENABLE 11 GND 12 RA0N 13 RA0P 14 RA1N 15 RA1P 16 RA2N 17 RA2P 18 GND 19 RACLKN 20 RACLKP 21 GND 22 RA3N 23 RA3P 24 RA4N 25 RA4P 26 GND 27 BIT_SEL 28 RB0N 29 RB0P 30 RB1N 31 RB1P ...

Page 49: ...NC_102 P8 NC_103 P9 NC_104 P11 NC_105 P12 NC_106 P13 NC_107 P14 DVDD18_EMMC C8106 2 2uF 10V DAT5 AR8104 10K 1 16W EMMC_CMD DAT5 IC8100 4 KLM4G1YEMD B031 EMMC5 0_4G_SAMSUNG DAT0 A3 DAT1 A4 DAT2 A5 DAT3 B2 DAT4 B3 DAT5 B4 DAT6 B5 DAT7 B6 CLK M6 CMD M5 VSS_6 A6 RFU_2 A7 NC_21 C5 RFU_3 E5 RFU_4 E8 RFU_12 E9 RFU_13 E10 RFU_14 F10 RFU_5 G3 RFU_6 G10 DATASTROBE H5 VSS_10 J5 RFU_7 K6 RFU_8 K7 RFU_9 K10 RF...

Page 50: ... EPHY_MDIO LAN_ACT0 LAN_ACT3 ETNHUB_EPHY_RXIP1 ETNHUB_EPHY_RXIN2 ETNHUB_AVDD18 ETNHUB_EPHY_TXON1 ETNHUB_EPHY_RXIP2 GYSPD R8440 100 Realtek WOL L8408 1 UBW2012 121F SHENCHEN_NEW L8401 BLM18PG121SN1D IC8401 RTL8305N_REALTEK 1 AVDD18_1 2 TXON 1 3 TXOP 1 4 RXIP 1 5 RXIN 1 6 AVDD18_2 7 RXIN 2 8 RXIP 2 9 TXOP 2 10 TXON 2 11 TXON 3 12 TXOP 3 13 RXIP 3 14 RXIN 3 15 TXOP 4 16 TXON 4 17 AVDD18_3 18 DVDD18_1...

Page 51: ...UT 3 OUTR 2 INR 4 GND_1 1 INR 6 VSS 5 MUTE 7 CN 8 CP 9 VDD 10 GND_2 11 UVP 12 OUTL 13 INL 14 INL HP_ROUT Ext_ROUT HP_LOUT HP_ROUT L8605 BLM18PG121SN1D HP_OUT HP_LOUT_AMP L8606 BLM18PG121SN1D HP_OUT C8631 0 22uF 10V HP_OUT C8630 0 22uF 10V HP_OUT HP_ROUT_AMP JK8600 PEJ034 01 EXT_SPK GND DETECT L R GND R8611 100 EXT_SPK 3 5V_ST R8613 10K HP_ROUT R8627 150 HP_OUT HP_LOUT R8628 10K HP_OUT VA8601 5 6V ...

Page 52: ...81 P120 INTP0 EXLVI 82 P47 INTP2 83 P46 INTP1 TI05 TO05 84 P45 SO01 85 P44 SI01 86 P43 SCK01 87 P42 TI04 TO04 88 P41 TOOL1 89 P40 TOOL0 90 RESET 91 P124 XT2 92 P123 XT1 93 FLMD0 94 P122 X2 EXCLK 95 P121 X1 96 REGC 97 VSS 98 EVSS0 99 VDD 100 EVDD0 SOC_NEC_RX SIDE_HP_MUTE C8706 0 1uF 16V C8705 1uF 10V C8702 0 1uF 16V OPT L8701 3 6uH C8704 10uF 10V C8717 1uF 16V OPT IC8701 TPS61087DRC 3 EN 2 FB 4 AGN...

Page 53: ... 9 1 R9052 49 9 1 R9053 49 9 1 C9025 0 1uF R9054 49 9 1 ETNHUB_EPHY_RXIN3 ETNHUB_EPHY_TXOP3 ETNHUB_EPHY_RXIP3 ETNHUB_EPHY_TXON3 LAN_AVDD33 LAN_DVDD33 LAN_DVDD33 LAN_AVDD33 LAN_DVDD33 LAN_DVDD33 LAN_DVDD33 LAN_DVDD33 LAN_DVDD33 C9003 12pF 50V C9005 12pF 50V EPHY_MDIO R9013 100 R9030 22 EPHY_RXD0 EPHY_RXD1 EPHY_TXD0 EPHY_TXD1 EPHY_EN R9067 3 3K C9026 33pF EPHY_REFCLK C9027 5pF R9011 51 EPHY_CRS_DV R...

Page 54: ...G5 2 VFB 4 SS 1 EN 5 GND 6 SW 7 VBST 8 VIN 9 EP GND C9103 22uF 16V 13V_A R9103 10K C9101 22uF 16V EXT_5V C9111 10uF 25V L9105 CB3216PA501E 5V_USB_2 L9102 CB3216PA501E Non_Cruise L9106 CB3216PA501E Cruise C9118 0 1uF 16V C9107 10uF 25V Non_Cruise D9102 UF3D SUZHOU GRANDE OPT D9101 UF3D SUZHOU GRANDE Non_Cruise R9104 75 Non_Cruise C9119 10uF 25V Non_Cruise R9119 1 2K 1 16W EXT_PWR_DET R9120 100K EXT...

Page 55: ...0 J1 IO1_23 K2 IO1_24 L3 IO1_25 K1 IO1_26 L1 IO1_27 L2 IO1_28 N1 IO1_30 M2 IO1_31 N2 IO1_32 M3 IO1_33 L5 IO1_34 M4 IO1_35 N3 IO1_36 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 IO...

Page 56: ...2 3Y4 G3 GND_5 G4 GND_6 G5 3A4 G6 3A3 H1 4Y1 H2 4Y2 H3 VCC_3 H4 VCC_4 H5 4A2 H6 4A1 J1 4Y3 J2 4Y4 J3 GND_7 J4 GND_8 J5 4A4 J6 4A3 C5 1A3 A3 NC_2 A6 2OE C4 VCC_2 C3 VCC_1 C2 1Y3 C1 1Y4 B6 1A2 B5 1A1 B4 GND_2 B3 GND_1 B2 1Y1 B1 1Y2 A4 NC_3 A5 NC_4 E1 2Y4 D6 2A2 D5 2A1 A2 NC_1 D4 GND_4 D3 GND_3 A1 1OE D2 2Y1 D1 2Y2 C6 1A4 K1 4OE K2 NC_5 K3 NC_6 K4 NC_7 K5 NC_8 K6 3OE C9502 0 1uF C9503 0 1uF C9504 0 1...

Page 57: ...R307 27K 1 C307 10pF 50V OPT C304 10pF 50V OPT R306 10K EU SC_CVBS_IN SC_L_IN R321 10K 1 SC_R_IN C320 0 047uF EU R328 100 SC_CVBS_IN_SOC COMP1_PB_IN_SOC SC_ID_SOC SC_G SC_FB_SOC R393 10K 1 SC_B SC_CVBS_IN_SOY R332 33 EU R389 2 7K EU R390 75 EU C302 150pF 50V EU C329 2 2uF 10V EU SCART_ROUT C330 2 2uF 10V EU SCART_LOUT_SOC R339 100K EU R338 100K EU R337 100K EU SCART_ROUT_SOC SCART_LOUT PANEL_VCC R...

Page 58: ......

Search results

Summary of Contents for 49LX761H

Reviews:

Related manuals for 49LX761H

Brands by name

Popular brands

LG 49LX761H, Service Manual

Search results

Summary of Contents for 49LX761H

Reviews:

Related manuals for 49LX761H

Brands by name

Popular brands