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LG 47WV30BS Service Manual Download Page 21

- 21 -

LGE Internal Use Only

Copyright  © 

  LG Electronics. Inc. All rights reserved.

Only for training and service purposes

7. THERE IS NO SOUND OUTPUT

THERE IS NO SOUND

OUTPUT

CHECK SIGNAL CABLE AND

OUTPUT DEVICE

CHECK

INPUT JACK

(JK1000)

NO

1. CHECK SPEAKER

2. CHECK SPEAKER

CONNECOTR

YES

CHECK VCC AND

PERIPHERALS OF IC701

CHECK AUDIO

PROCESSOR 

IC701 OUT

(NTP-7000)

NO

YES

Summary of Contents for 47WV30BS

Page 1: ...c lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL63279926 1112 REV00 CHASSIS LW01A MODEL 47WV30BS 47WV30BS BL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL MONITOR SIGNAGE SERVICE MANUAL ...

Page 2: ...onics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRECAUTION 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 15 BLOCK DIAGRAM 22 EXPLODED VIEW 23 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...l Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty p...

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: ...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: ...or test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC No Item Specification Remark 1 Display Screen Device 47 wide Color Display Module 2 Aspect Ratio 16 9 3 LCD Module 47 LED LCD HD 47 LGD LED LCD HD 4 Storage Environment Temp 20 60 deg Humidity 10 90 5 Input Voltage AC 100 240V 50 60Hz 6 Pixel Pitch 0 5415mm x 0 5415mm 7 Back Light Direct LED 8 Display Col...

Page 7: ...47 72 59 8 84 75 WXGA 8 1366 768 47 71 59 79 85 50 WXGA 9 1280 1024 63 595 60 0 108 875 SXGA No Specification Remark Resolution H freq kHz V freq Hz Proposed 1 720 480 15 73 60 00 SDTV DVD 480i 2 720 480 15 63 59 94 SDTV DVD 480i 3 720 480 31 47 59 94 480p 4 720 480 31 50 60 00 480p 5 720 576 15 625 50 00 SDTV DVD 625 Line 6 720 576 31 25 50 00 HDTV 576p 7 1280 720 45 00 50 00 HDTV 720p 8 1280 720...

Page 8: ... 768 48 363 60 00 65 00 VESA XGA 5 1280 720 45 00 60 00 74 25 VESA 6 1360 768 47 72 59 8 84 75 WXGA 7 1366 768 47 71 59 79 85 50 WXGA 8 1280 1024 63 595 60 0 108 875 SXGA 7 2 DTV mode No Resolution H freq kHz V freq kHz Pixel clock MHz Proposed Remarks 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P HDCP 2 720 576 31 25 50 54 SDTV 576P HDCP 3 1280 720 37 500 50 74 25 HDTV 720P HDCP 4 1280 720...

Page 9: ...en 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 epk file download 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downlo...

Page 10: ... 60hz 3 HDMI 4 DVI 5 PC Audio In Display and Sound check is executed by Remote control ler Caution Not to push the INSTOP KEY after completion if the function inspection 4 Total Assembly line process 4 1 Adjustment Preparation W B Equipment condition CA210 CH 9 Test signal Inner pattern 85IRE Above 5 minutes H run in the inner pattern power on key of adjust remote control Model 47WV30BS BL Module ...

Page 11: ...dule Manual W B process using adjusts Remote control After enter Service Mode by pushing ADJ key Enter White Balance by pushing key at 6 White Balance After You finish 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 ...

Page 12: ... 7 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not For SVC main Ass y EDID have to be downloaded to Insert Process in advance In case of SKD Ass y it is no need to do EDID D L Ass y Supplier does that in advance 4 8 EDID DATA 1 All Data HEXA Value 2 Changeable Data Serial No...

Page 13: ... 00 0F 48 42 00 00 1E 1B 21 50 A0 51 00 1E 30 50 48 88 35 00 0F 48 42 00 00 1C 00 00 00 FD 00 38 60 3F 1E 44 11 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 34 37 57 56 33 30 0A 20 20 20 20 20 20 00 62 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF FF FF 00 1E 6D 01 01 01 01 01 01 10 0C 15 01 03 80 68 3A 78 EA 23 5B A7 54 4E 98 26 20 0F 47 4A A5 08 80 81 40 81 80 71 40 01 01 01 01 30 01 01 81 C0 0...

Page 14: ...ult write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEP ROM 5 4 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 because serial number D L is mandatory by...

Page 15: ...ses TROUBLE SHOOTING uvGwv ly Owv lyGpukpjh vyGvmmP joljrGwv lyGivhyk joljrGw WWGwpuGXS SXWSXXSXY Oz ZU P uvOs P joljrGwv lyGivhyk joljrGw WWGwpuGX SX SYX pu XY uvOs P XUGj GpjXWX YUGj G G G GpjXWX lzOo P lzOo P lz lzOo P joljrG XWW joljrG XWW OY to PGf uv joljrGz iGtpjvtGpj joljrGpj Oys vuPGf uvOs P 1 No Power ...

Page 16: ...SPLAYED NO RASTER OSD IS NOT DISPLAY CHECK THE PERIPHERALS OF IC102 CHECK IC102 LVDS NO CHECK WAFER CONNECTOR AND POWER BOARD CHECK INVERTER VOLTAGE POWER 24V NO 1 CHECK INVERTER 2 CHECK T CON BOARD YES YES YES CHECK MODULE LINK CONNECTOR CHECK MODULE INPUT WAVE NO CHECK WAFER CONNECTOR AND POWER BOARD CHECK INVERTER CONTROL INV_ON NO YES ...

Page 17: ...g and service purposes 3 NO RASTER STATE ON RGB SIGNAL NO RASTER STATE ON RGB SIGNAL CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK P901 NO CHECK Vcc AND PERIPHERALS OF IC902 CHECK SCHMITT TRIGGER I O SYNC IC902 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES YES ...

Page 18: ...ning and service purposes 4 NO RASTER STATE ON DVI SIGNAL NO RASTER STATE ON VIDEO SIGNAL DVI CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK P801 NO CHECK Vcc AND PERIPHERALS OF IC803 CHECK Multiplexer IC803 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES YES ...

Page 19: ...hts reserved Only for training and service purposes 5 NO RASTER STATE ON COMPONENT SIGNAL NO RASTER STATE ON COMPONENT SIGNAL CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK1001 JK1002 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES ...

Page 20: ...c All rights reserved Only for training and service purposes 6 NO RASTER STATE ON HDMI SIGNAL NO RASTER STATE ON HDMI SIGNAL CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK801 NO 1 CHECK IC101 2 CHECK Vcc OF IC101 3 CHECK PERIPHERALS OF IC101 YES ...

Page 21: ...y for training and service purposes 7 THERE IS NO SOUND OUTPUT THERE IS NO SOUND OUTPUT CHECK SIGNAL CABLE AND OUTPUT DEVICE CHECK INPUT JACK JK1000 NO 1 CHECK SPEAKER 2 CHECK SPEAKER CONNECOTR YES CHECK VCC AND PERIPHERALS OF IC701 CHECK AUDIO PROCESSOR IC701 OUT NTP 7000 NO YES ...

Page 22: ... 22 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 23: ...l 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 SAFETY ...

Page 24: ...5 EECS EECLK BLM18PG121SN1D L1402 LAN_VDD12PLL LAN_LINK_G 0 1uF 16V C1419 3 5V_ST_1 AT93C66A 10SU 1 8 IC1403 SPI_EEPROM 3 DI 2 SK 4 DO 1 CS 5 GND 6 ORG 7 NC 8 VCC 10K R1415 TR0P 33 R1411 4 9 9 1 R1431 25MHz X1401 4 9 9 1 R1420 LAN_1 2V WOL_ON LAN_3 5V 0 1uF 16V C1412 0 1uF 16V C1430 4 9 9 1 R1421 LAN_3 5V 0 1uF 16V C1418 0 OPT R1403 0 1uF 16V C1402 LAN_VDD12USBPLL LAN_1 2V 3 5V_ST_LAN VBUS_DET LAN...

Page 25: ..._LOW R1307 3 3K LVDS_SEL_HIGH R1314 0 WAFER_HD R1309 RXA1 RXB1 RXACK RXA0 RXA2 RXB4 RXDCK RXC2 RXA1 RXD2 33 240Hz R1304 RXD4 120 ohm 3D L1301 RXB3 RXD3 RXA2 RXD1 10K BIT_SEL_LOW R1305 PANEL_VCC I2C_SDA 3 3V RXC1 3 3K FHD_LVDS_SEL_HIGH R1306 RXC3 10uF 16V OPT C1303 RXA0 RXBCK RXA1 TF05 41S WAFER_FHD_120HZ P1301 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 3...

Page 26: ...A0 B TMA1 B MA3 B TMA5 A TMA9 A MDQSLB A MDQL3 B MCKB 0 1 u F C1221 B TMDQSU 0 1 u F C1242 A MA8 10 R1219 A MA9 B TMDQL2 B TMDQSL B TMA3 A TMDQU1 B TMDQL0 B TMDQL1 10 R1216 10 AR1216 A TMA8 B MA3 A TMCKE A TMDQU0 B MCKE 10K R1234 10K R1233 A MCKE 56 R1236 0 01uF C1209 56 R1235 56 R1238 0 01uF C1240 56 R1237 LGE101DC R S7R DIVX MS10 IC101 A_DDR3_A0 DDR2_A13 B8 A_DDR3_A1 DDR2_A8 B9 A_DDR3_A2 DDR2_A9...

Page 27: ...014 75 R1012 5 6V D1001 12K R1005 S 4 3 6 P 1 2 JK1003 5 C LUG_1 6 C LUG_2 4 E LUG COMP1_Pb 470K R1004 470K R1002 470pF C1002 COMP1_LIN 30V D1002 330pF OPT C1001 470pF C1011 10K R1017 IR KCN BT 1 0012 JK1001 1 5 470pF C1012 COMP1_DET 470K R1022 10K R1003 PC_LIN 10K R1020 COMP1_RIN 10K R1000 5 6V D1007 PC_RIN 0 R1013 30V D1003 PREAMP_IR L1000 3 5V_ST 0 47uF 25V C1005 KJA PH 3 0064 JK1000 U1 R CONTA...

Page 28: ...T C916 75 1 R961 100pF C924 T2OUT 100 R915 IR 0 R1901 9V_OP DSUB_B 0 R975 RGB_DDC_SCL DSUB_G H_SYNC_OUT 10K R914 20K R965 470uF 16V C928 L909 EDID_WP 10K R944 S7_RXD OPT Q902 E B C 4 7K R926 470uF 16V C927 0 OPT R923 DSUB_G R2IN L908 DSUB_VSYNC 4 7K R994 9V_OP L907 4 7K R930 KDS226 D922 A AC C OPT R927 0 1uF C900 0 R933 0 R964 KDS226 D908 A AC C 5V_Normal 75 1 R943 OPT D904 0 R1912 IR 0 R1914 3 5V...

Page 29: ...A_12_S T0X2N T0XCP 0 1 u F C826 0 1uF C817 T0X2P 0 1 u F C804 0 1 u F C824 10uF C823 0 1 u F C830 10 R815 VDDA_12_S 5V_ST 10 R819 5V_ST 10uF C806 VDD_12_S 10 R818 10uF C829 DVI_DDC_SDA 10 R812 10uF C822 0 1 u F C836 1uF C851 DVI_DDC_SCL 5 1K R813 VDDA_33_S T0XCN T0X0P 0 1uF C853 0 1 u F C818 VDD_12_S 10uF C803 0 1 u F C832 T0X0N T0X1N 0 1 u F C801 4 7K R801 10 R811 VDD_33_S INT_9489 T0X1P 0 1 u F ...

Page 30: ... 1S 1F 2F SPK_L 3 3 OPT R709 0 1uF 50V C740 12 R712 33 R704 10uF 10V OPT C701 24V 12 R716 AP1117E18G 13 IC702 2 OUT 3 IN 1 ADJ GND 0 1uF 50V C738 0 47uF 50V C736 1 8V_AMP 1N4148W 100V OPT D704 10uF 10V C747 22pF 50V OPT C715 22000pF 50V C721 390pF 50V C732 SPK_R POWER_DET 10uF 10V OPT C713 22000pF 50V C727 1N4148W 100V OPT D702 10K R710 AMP_RESET_N 0 1uF 16V C705 100pF 50V C704 18pF 50V C707 12 R7...

Page 31: ...F 25V C600 0 1uF C605 1K R610 33 R615 0 1uF C603 33 R612 TMDS_DEMUX_SDA 9V_FAN 10K OPT R616 KDS184 D601 A2 C A1 10K R606 M41T83RMY6F IC600 3 NF_2 2 NF_1 4 NC_2 1 NC_1 6 DU 5 RST 7 SQW 8 VBAT 9 VSS 10 SDA 11 SCL 12 IRQ1 FT OUT 13 NC_3 14 IRQ2 15 VCC 16 NF_3 17 NV_4 18 NC_4 3 5V_ST 3 5V_ST FAN_ALARM MLB 201209 0120P N2 9V_FAN L602 0 1uF C601 33 R614 MM3286CFBE IC601 3 OS 2 SCL 4 GND 1 SDA 5 A2 6 A1 ...

Page 32: ...OWER_ 18 5V R544 2 1 16W 5 1K 5 PD_ 12V R546 3 5V_ST 0 1uF 16V C503 24V 0 1uF 16V C530 100 PD_ 12V R561 0 FRC R502 12K R551 10uF 16V OPT C533 10K R563 OPT 0 1uF 16V C539 100K OPT R552 6 8K OPT R515 0 1uF 16V C558 4 7K R504 68uF 35V C517 24V 1 5K 1 R559 2200pF C548 MLB 201209 0120P N2 L501 4 7K OPT R519 MLB 201209 0120P N2 L504 2SC3052 Q500 E B C KDS226 D500 A AC C 100uF 25V C528 0 1uF 50V C520 MLB...

Page 33: ... K19 VDDC_12 L19 VDDC_13 M18 VDDC_14 M19 VDDC_15 N18 VDDC_16 N19 VDDC_17 N20 VDDC_18 P18 VDDC_19 P19 VDDC_20 P20 NC_13 Y12 AVDD1P2 J11 DVDD_NODIE L7 AVDD2P5_ADC_1 H7 AVDD2P5_ADC_2 J7 AVDD25_REF J8 AVDD_AU25 L8 PVDD_1 W15 PVDD_2 Y15 AVDD25_PGA U8 AVDD_NODIE M8 AVDD_DVI_1 N9 AVDD_DVI_2 P9 AVDD3P3_CVBS N8 AVDD_DMPLL P8 AVDD_AU33 T7 AVDD_EAR33 U7 AVDD33_T T9 VDDP_1 R8 VDDP_2 R9 VDDP_3 T8 NC_5 V20 NC_8...

Page 34: ...F OPT C255 0 1 u F OPT C223 C MVREFCA 0 1 u F OPT C212 0 1 u F OPT C239 0 1 u F OPT C207 VCC1 5V_U3_DDR 0 1 u F OPT C225 1 5V_FRC_DDR 0 1 u F OPT C252 10uF 10V OPT C267 0 1 u F OPT C259 0 1 u F OPT C211 0 1 u F OPT C265 0 1 u F OPT C266 0 1 u F OPT C201 0 1 u F OPT C238 VCC1 5V_U3_DDR C MVREFDQ 0 1 u F OPT C260 0 1 u F OPT C264 0 1 u F OPT C254 1000pF OPT C208 1K 1 OPT R292 0 1uF 16V OPT C268 22 R...

Page 35: ...T R74 NEC_EEPROM_SCL 47K R18 HDMI_CEC POWER_DET 22 R124 KEY1 3 5V_NEC_ST RESET_NEC 100K R118 22 R79 22 R72 SUB_SDA_NEC_TEMP 100 OPT R101 100K R105 3 5V_NEC_ST 22 R112 4 7K R28 13pF C11 22 OPT R67 JTP 1127WEM SW1 1 2 4 3 AMP_MUTE 22 R30 NEC_EEPROM_SDA 22 R29 POWER_ON OFF1 MODEL1_OPT_3 TOOL0 MICOM_CEC_ON OFF KEY2 3 5V_NEC_ST IR 22 OPT R68 22 R31 22 R122 2SC3052 Q1 E B C MODEL1_OPT_0 MODEL1_OPT_1 RES...

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