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- 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.

- Don’t push The "IN STOP KEY" after completing the function

inspection.

4.2 DPM operation confirmation (Only Apply for MNT Model)
• Check if Power LED Color and Power Consumption operate as

standard.

- Set Input to RGB and connect D-sub cable to set
- Measurement Condition: (100~240V@ 50/60Hz)
- Confirm DPM operation at the state of screen without Signal

4.3 DDC EDID Write (RGB 128Byte)

- Connect D-sub Signal Cable to D-Sub Jack.
- Write EDID DATA to EEPROM (24C02) by using DDC2B

protocol.

- Check whether written EDID data is correct or not.

4.4. 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

4.5. Serial number (RS-232C)

- Press "Power on" key of service remocon.(Baud rate :

115200 bps)

- Connect RS232 Signal Cable to RS-232 Jack.
- Write Serial number by use RS-232.
- Must check the serial number at the Diagnostics of SET UP

menu. (Refer to below).

- 16 -

Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

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Содержание 42LG5010

Страница 1: ...维修论坛免费下载 http bbs 520101 com LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD84D MODEL 42LG5010 42LG5010 ZD 42LG5020 42LG5020 ZB 42LG5030 42LG5030 ZE ...

Страница 2: ...t 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 TROUBLE SHOOTING 22 BLOCK DIAGRAM 28 EXPLODED VIEW 29 SVC SHEET ...

Страница 3: ...ical 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 phone jacks etc If the exposed m...

Страница 4: ... electrostatic charge 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...

Страница 5: ...it board copper side the 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 spaci...

Страница 6: ... 576 0 V x 52 7 D With inverter 47 1096 0 H x 640 0 V x 51 0 D 52 1219 0 H x 706 7 V x 64 6 D 9 Pixel Pitch 37 0 42675 H x 0 42675 V LG5000 42 0 4845 47 0 5415 H x 0 1805 V 52 0 600 H x 0 600 V 10 Back Light 37 TBD EEFL Straight type LG5000 42 18pcs Straight type 47 20CCFL Straight type 52 24CCFTs direct type 11 Display Colors 16 7M 16 777 216 12 Coating 3H AG 1 Application Range This spec sheet i...

Страница 7: ... Scart 1 Jack is Full scart and support RF OUT analog Scart 2 jack is Half scart and support MNT DTV OUT 4 Video Input RCA 1EA PAL SECAM NTSC 4 System PAL SECAM NTSC PAL60 5 S Video Input 1EA PAL SECAM NTSC 4 System PAL SECAM NTSC PAL60 6 Component Input 1EA Y Cb Cr Y Pb Pr 7 RGB Input RGB PC Analog D SUB 15PIN 8 HDMI Input 3EA HDMI1 DTV DVI PC HDMI version 1 3 HDMI2 DTV Support HDCP HDMI3 DTV 9 A...

Страница 8: ...y 60 minutes in a dark environment at 25_ 3 The values specified are at approximate distance 50Cm from the LCD surface No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 2 Luminance Luminance cd m2 400 500 Variation 1 3 MAX MIN 3 Contrast Ratio CR 1000 1500 4 CIE Color Coordinates White WX Typ 0 280 Typ AUO 42 WY 0 03 0 290 0 03 RED Xr 0 640 Yr 0 330 Green Xg 0 29...

Страница 9: ...D surface 4 Ta 25 C Vcc 12 0V VINV 24 0V VBRT 3 3V Timing 60Hz typ value 5 Measurement condition Set the value of VBRT to maximum luminance of white No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 70 88 2 Luminance Luminance cd m2 360 450 Variation 1 25 MAX MIN 3 Contrast Ratio CR 1000 1500 4 CIE Color Coordinates White WX Typ 0 272 Typ SHARP 52 WY 0 03 0 277 0 03...

Страница 10: ...988 138 625 WUXGA FHD Model only 7 SET Optical Feature Measurement Condition Full white Dynamic Measure the black luminance after 30 seconds No Item module Luminance min C R min Remark AV COMPONENT HDMI AV COMPONENT HDMI 1 37 inch LPL 400cd m2 1000 LG5000 3 42 inch AUO 400cd m2 1000 C R is excepted for PC mode 3 47 inch CMO 400cd m2 1000 4 52 inch SHARP 360cd m2 1000 No Specification Remark Resolu...

Страница 11: ... 59 94 74 176 HDTV 1080I HDCP 12 1920 1080 33 75 60 00 74 250 HDTV 1080I HDCP 13 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz HDCP 14 1920 1080 27 000 24 00 74 250 HDTV 1080P 24Hz HDCP 15 1920 1080 56 250 50 148 500 HDTV 1080P 50Hz HDCP 16 1920 1080 67 433 59 94 148 352 HDTV 1080P HDCP 17 1920 1080 67 500 60 148 500 HDTV 1080P HDCP NoResolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark...

Страница 12: ... Item Content Unit Remark 1 Product Widt W Length D Height H mm Dimension Before Packing 1034 293 4 735 mm With Stant After Packing 1330 257 772 mm 2 Product Only SET 23 5 Kg With BOX 26 2 Kg 12 3 47LG50 No Item Content Unit Remark 1 Product Widt W Length D Height H mm Dimension Before Packing 1156 2 342 9 813 1 mm With Stant After Packing 1266 460 887 mm 2 Product Only SET 29 5 Kg With BOX 35 4 K...

Страница 13: ...65 10 Input voltage 220V 60Hz 2 6 Adjustment equipments Color Analyzer CA 210 or CA 110 Pattern Generator MSPG 925L or Equivalent DDC Adjustment Jig equipment SVC remote controller 2 7 Don t push The IN STOP KEY after completing the function inspection 3 Main PCB check process O APC After Manual Insult executing APC O Download 1 Execute ISP program Mstar ISP Utility and then click Config tab 2 Set...

Страница 14: ...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 4 Completed selecting Tool option 3 1 ADC Process 3 1 1 PC input ADC 3 1 1 1 Auto RGB Gain Offset Adjustment Convert to PC in Input source Signal equipment displays Output Voltage 700 mVp p Impress Resolution XGA 1024 x 768 60Hz Mo...

Страница 15: ...lay and Sound check is executed by Remote controller 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 15 Pin D Sub Jack is connected to the AUTO W B EQUIPMENT Adjust Process will start by execute I2C Command Inner pattern 0xF3 0xFF Adjust Proce...

Страница 16: ... 100 240V 50 60Hz Confirm DPM operation at the state of screen without Signal 4 3 DDC EDID Write RGB 128Byte Connect D sub Signal Cable to D Sub Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether written EDID data is correct or not 4 4 DDC EDID Write HDMI 256Byte Connect HDMI Signal Cable to HDMI Jack Write EDID DATA to EEPROM 24C02 by using DDC2B protocol Check whether wri...

Страница 17: ...25 01 1D 00 72 51 D0 1E 20 20 6E 28 55 00 C4 8E 21 00 00 1E 01 1D 80 18 71 1C 30 16 20 58 2C 25 00 C4 8E 21 00 00 9E 8C 0A D0 8A 40 20 E0 2D 10 10 3E 96 00 C4 8E 21 00 00 18 8C 0A 50 D0 8A 20 E0 2D 10 10 3E 96 00 13 8E 21 00 00 18 60 26 36 80 A0 70 38 1F 40 30 20 25 00 C4 8E 21 00 70 00 1A 00 00 00 00 00 00 00 00 00 00 00 00 00 2F 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 ...

Страница 18: ...o adjust manually 1 The adjustment condition should be set by the Power On key 2 Press the ADJ of the R C to enter into EZ ADJUST 3 Select 10 TEST PATTERN with the CH key and press the Enter key for 30 minutes or longer to perform the heat run 4 Perform the zero calibration of the Color Analyzer and fix the sensor with the 10cm or less distance at the center of the LCD module surface when adjustin...

Страница 19: ...r cord is completely inserted into the set When it is disconnected or loosened test after inserting it 2 Perform the automatic test on the GND resisting pressure The set with power cord the cord and the A V completely inserted into the tuner is loaded on the pallet and entered into the automatic test process Connect the D terminal AV JACK tester Turn on the automatic GWS103 4 Perform the GND TEST ...

Страница 20: ...t number MYSON MTV416GMF IC4015 Power supply 5V P4004 Pin 3 SCL D sub Pin 10 SDA D sub Pin 7 10 5 How to adjust for downloading 1 fter executing LGE Monitor Tools v1 1 click the first icon See the figure 2 When the screen is displayed as shown at the below figure set the items as follows MCU Select MTV512M64 R W Option Auto Write Verify Jig Option Myson Transmit Speed Medium Check blank PORT Selec...

Страница 21: ...ler 4 Downloading is proceeded as shown at the below screen and when it is ended turning on off is automatically done When the automatic proceeding is not smoothly done manually perform the power On Off 5 When downloading is ended remove the USB Memory Stick from the USB jack 6 Press the IN START button of the remote controller to check the upgraded S W version TV Software Upgrade Current TV Softw...

Страница 22: ...tput of Main IC IC100 Especially you should check The H V sync and clock Can you see the normal waveform YES YES NO Could you measure voltage of TU800 IIC lines Are they all normal YES NO You should check power line IIC lines YES You should replace TUNER NO You should decide to replace TR Q503 or not NO After checking the Power of Main IC IC100 you should decide to replace Main IC or not This boar...

Страница 23: ... TU800 IIC lines Are they all normal NO You should check power line IIC lines YES You should replace TUNER YES Check the output of Main IC IC100 Especially you should check The H V sync and clock Can you see the normal waveform YES NO After checking the Power of Main IC IC100 you should decide to replace Main IC or not This board has big problem because Main IC IC100 have some troubles After check...

Страница 24: ... J601 or SIDE AV may have problem Replace this Jack or SIDE AV NO After checking the Power of AV switch you should decide to replace AV switch or not Check the output of Main IC IC100 Especially you should check The H V sync and clock Can you see the normal waveform YES NO After checking the Power of Main IC IC100 you should decide to replace Main IC or not This board has big problem because Main ...

Страница 25: ...roblem Replace this Jack NO After checking the Power of component Audio switch you should decide to replace component Audio switch or not NO After checking the Power of component Audio switch you should decide to replace component Audio switch or not Check the output of Main IC IC100 Especially you should check The H V sync and clock Can you see the normal waveform YES NO After checking the Power ...

Страница 26: ...decide to replace RGB Audio switch or not NO After checking the Power of RGB Audio switch you should decide to replace RGB Audio switch or not Check the output of Main IC IC100 Especially you should check The H V sync and clock Can you see the normal waveform YES NO After checking the Power of Main IC IC100 you should decide to replace Main IC or not This board has big problem because Main IC IC10...

Страница 27: ...race of TMDS lines and power of HDMI Switch you should decide to replace HDMI Switch or not NO NO After checking the Power of this chip you should decide to replace this or not After checking the Power of HDMI Switch you should decide to replace MST3361 or not YES Check HDCP communication lines IC902 NO After checking the Power of this chip you should decide to replace this or not Check the output...

Страница 28: ...P_Y Pb Pr COMP_L R_IN DSUB_H V_SYNC MAX3232 IC702 DDC UART Tx Rx HDMI Switch IC902 EEPROM HDMI_I2C HDMI_I2C_0 HDMI_CEC Rx HPD TMDS x3 HPD x3 HDMI_CEC x3 USB_DM DP 5V_HDMI PCM_ADD PCM_DATA TS_Parallel TU_TS_DATA KIC7SZ32FU IC802 PCM_CD_ON CI_CD_1 2 IIS MUTE LED_G R IR Flash Memory 4MB IC101 SC1_CVBS_IN SC2_CVBS_IN SC1_TV_VOUT DTV MNT_V_OUT SC1_L R_IN TV_L R_OUT DTV MNT_L R_OUT LCD Panel 52 47 42 37...

Страница 29: ...101 com Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 29 EXPLODED VIEW 300 510 500 120 121 122 200 800 900 901 801 802 803 804 805 806 550 530 810 521 520 540 820 400 ...

Страница 30: ...更多难得资料请到江南家电维修论坛免费下载 http bbs 520101 com ...

Страница 31: ...更多难得资料请到江南家电维修论坛免费下载 http bbs 520101 com ...

Страница 32: ...更多难得资料请到江南家电维修论坛免费下载 http bbs 520101 com ...

Страница 33: ...更多难得资料请到江南家电维修论坛免费下载 http bbs 520101 com Apr 2008 Printed in Korea P NO MFL41333504 ...

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