LG 28LH4530 Скачать руководство пользователя страница 17 | Manualshive

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LGE Internal Use Only

Copyright ©

LG Electronics. Inc. All right reserved.

Only for training and service purposes

EXPLODED VIEW

Many 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.

IMPORTANT SAFETY NOTICE

300

200

120

900

401

540

305

541

832

400

510

831

LV1

A2

730

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Содержание 28LH4530

Страница 1: ...Internal Use Only P NO CHASSIS MODEL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL SERVICE MANUAL MFL69169513 1611 REV00 28LH4530 28LH4530 PU LU60A LED TV ...

Страница 2: ...c All right reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 8 TROUBLE SHOOTING 12 BLOCK DIAGRAM 16 EXPLODED VIEW 17 SCHEMATIC CIRCUIT DIAGRAM APPENDIX ...

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

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: ... 2 Demanded other specification Safety UL EMI FCC NOTE Specifications and others are subject to change without notice for improvement 4 Model general specification No Item Specification Remarks 1 Market AMERICA CANADA MEXICO LH4530 series is US only MT48x Series is Mexico only 2 Receiving system ATSC NTSC M 64 256 QAM 3 Available Channel VHF 2 13 UHF 14 69 CATV 1 135 DTV 2 69 CADTV 1 135 4 Interfa...

Страница 7: ... 864 SDTV 576P 3 1280 720 37 50 50 00 74 250 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 27 00 24 74 25 HDTV 1080P 8 1920 1080 33 75 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148 5 HDTV 1080P 10 1920 1080 67 43 67 5 59 94 60 148 35 148 50 HDTV 1080P Component LH4530 doe...

Страница 8: ...tab If display Can t Check connect computer jig and set 4 Click Read tab and then load download file XXXX bin by clicking Read 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message USB DOWNLOAD 1 Make New folder named LG_DTV and put ISP file bin in the folder 2 Put the USB Stick to the USB socket 3 3 Automatically detecting update file in USB Stick If your downloaded p...

Страница 9: ...wnload A E 00 10 Automatically download The use of a internal Data 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 0 FF FF FF FF FF FF 0 1E 6D C8 59 1 1 1 1 10 1 19 1 3 68 33 1D 78 EA 62 75 A3 55 4F A0 27 20 12 50 54 A7 6A 0 31 4F 45 4F 61 4F 81 0 1 1 30 1 1 1 1 1 1 66 21 56 AA 51 0 1E 30 46 8F 40 33 0 FD 1E 11 0 0 1E 0 0 0 FD 0 38 4B 1E 50 3D 9 0 0A 20 20 20 20 20 20 0 0 0 FC 0 32 60 44 20 48 44 20 4C 47 20 54...

Страница 10: ... if the function inspection 4 4 White balance adjustment Equipment 1 Color Analyzer CA 210 LED Module CH 14 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remocon RGB_Gains are fixed data for each model Insert RS 232C Jack which is connected with PC for White Balance or equivalent device Total Assembly line should be check whether the color coordinate x y data refer to below ta...

Страница 11: ...ame SW Version Adjust check Press the Instart key of ADJ remote controll 4 5 1 Model Name SW Version Check 1 Check Model Name 2 Check S W Version Refer to the IC Ver in the BOM 4 5 2 Adjust Check 1 Check Country Group 2 Check Area Option 3 Check Tool Option Refer to the BOM Comments 4 Check EDID RGB HDMI is OK After check all Press the EXIT key of ADJ remote controll to go out SVC menu 4 6 Outgoin...

Страница 12: ...ower Replace X300 N Check C500 Voltage Level 19V Check Power connector OK Replace Adapter Y N Y Check IC501 Output Voltage Level 3 3V Replace IC501 Recheck Y N Check X300 Clock 24MHz Replace IC405 Flash Memory Y Check IC503 Output Voltage Level 5V Replace IC503 Recheck Y N Check IC502 Output Voltage Level 1 15V Replace IC502 Recheck N Y ...

Страница 13: ...On Check IC700 Q700 Replace LED Driver IC or FET Y N N Check Panel Power 12V P401 30 Check IC500 Output 12V Replace IC500 Recheck Y N Check Panel input Clock P401 9 10 Check IC300 Repair Main B D Y N Check FFC Cable for Damage or Open Conductors Check LED Driver Output C706 Replace T Con Board or Module Y Check IC300 Replace Main SOC N Check WLED_ENABLE High Y ...

Страница 14: ...c All right reserved Only for training and service purposes 3 No Video Digital TV Check RF Cable Y 1 Check RF IC L200 Power 3 3V 2 Check IC501 Output voltage 3 3V Replace IC501 Recheck Y N Check SCL SDA Line TU200 3 4 Replace TU200 or IC300 Main Scaler N ...

Страница 15: ...or training and service purposes 4 No Video HDMI Replace Main Scaler IC300 Check input signal format Is it supported Check JK100 for proper connection or Damage Replace Connector Y N Check I2C Signal JK100 Re Download EDID Data Y N Y Check HDMI Cable for Damage or Open Connector Y ...

Страница 16: ...ideo Encoder BM 28720MUV Di gital AM P I2S M CLK Audio DSP UART RX TX A ir Cable Can tuner S i de USB USB2 0 LVDS Con FHD A nalog Demod EEPROM 64K x 8bi t XTAL 24MHz TMDS 22inch 148 5MHz FHD 20 24 28inch 85 5MHz HD 22inch LVDS 2ch 1920x1080 60hz 175MHz 20 24 28inch LVDS 1ch 1366x768 60hz 82MHz DDR 800MHz MT48 28LH4530 For user 22 24LH4530 Service only MT48 28LH4530 Use Service only 22 24LH4530 Not...

Страница 17: ...ted 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 IMPORTANT SAFETY NOTICE 300 200 120 900 401 540 305 541 832 400 510 831 LV1 A...

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