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Содержание 24LH4830

Страница 1: ... this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without limitation any text graphics or logos in this Service Manual Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes CONFIDENTIAL MFL691...

Страница 2: ... Electronics Inc All right reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 SOFTWARE UPDATE 9 BLOCK DIAGRAM 10 EXPLODED VIEW 11 TROUBLESHOOTING GUIDE APPENDIX ...

Страница 3: ... 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 metallic part has a return path to the chassis the measured re...

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: ... 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 specification EMC FCC ICES IEC specification NOTE Specifications and others are subject to change without notice for improvement 4 General Specification No Item Specification Remarks 1 Receiving system ATSC NTSC M 64 256 QAM 2 Availa...

Страница 7: ...V 720P 6 1280 720 44 96 59 94 74 176 HDTV 720P 7 1920 1080 33 75 60 00 74 250 HDTV 1080I 8 1920 1080 33 72 59 94 74 176 HDTV 1080I 9 1920 1080 67 50 60 00 148 500 HDTV 1080P 10 1920 1080 67 43 59 94 148 352 HDTV 1080P 11 1920 1080 27 00 24 00 74 250 HDTV 1080P 12 1920 1080 26 97 23 97 74 176 HDTV 1080P 13 1920 1080 33 75 30 00 74 250 HDTV 1080P 14 1920 1080 33 71 29 97 74 176 HDTV 1080P No Item EA...

Страница 8: ... WUXGA Reduced Blanking FHD only HDMI DTV 1 640 480 31 46 59 94 25 125 SDTV 480P 2 640 480 31 50 60 00 25 125 SDTV 480P 3 720 480 15 73 59 94 13 500 SDTV 480I Spec out but display 4 720 480 15 75 60 00 13 514 SDTV 480I Spec out but display 5 720 480 31 47 59 94 27 00 SDTV 480P 6 720 480 31 50 60 00 27 027 SDTV 480P 7 1280 720 44 96 59 94 74 176 HDTV 720P 8 1280 720 45 00 60 00 74 25 HDTV 720P 9 19...

Страница 9: ...lly Download 3 Show the message 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 d...

Страница 10: ...com I2C 3 IR KEY HDMI MUX LVDS USB SPDIF OUT ETHERNET USB1 OCP 1 5A HDMI1 HDMI2 ARC REAR R E A R Optical Digital Audio out LAN SYSTEM EEPROM 256Kb 30P eMMC 5 0 4GB DDR3 1600 X 16 256MBx2EA I2C 1 X_TAL 24MHz WIFI Built in SUB ASSY USB_WIFI Tuner AV Component CVBS Y Pb Pr L R SIDE TU_CVBS TU_SCL SDA RS 232C SVC Only Tx Rx X_TAL 32 768KHz IR KEY TU_SIF SIFP I2C_2 ...

Страница 11: ...ty related characteristics These parts are identified by in the 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 IMPORTANT SAFETY NOTICE 300 200 120 900 401 540 910 831 305 541 832 400 510 LV1 A2 730 570 ...

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