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LCD TV Service Manual

Hisense Confidential

7.7 Troubleshooting for Video/S-Video

input

No picture on the screen

Check Source work or not

Check connect

Check Cable/ Wires

Replace main board

Check Signal Source

Reconnect

Replace Cable/Wires

YES

Содержание DLA-32H1

Страница 1: ...DAEWOO MODELO DLA 32H1 Chassis MT5380 Product Type Televisi n de 32 LCD Ver 1 0 Hisense Electric Co Ltd Apr 2008...

Страница 2: ...Menu and Adjustment Error Marcador no definido 5 1 To enter the Factory OSD Menu Error Marcador no definido 5 2 Factory OSD Menu Error Marcador no definido 5 3 Designer Menu Error Marcador no definido...

Страница 3: ...this Service Guide are effective methods of performing service operations Some of these service operations require the use of tools specially designed for the purpose The special tools should be used...

Страница 4: ...d to as Hisense 1 1 Warning 1 1 1 Critical components having special safety characteristics are identified with a by the Ref No in the parts list Use of substitute replacement parts which do not have...

Страница 5: ...ircuit becoming unstable 1 1 3 To prevent electrical shock do not use this polarized ac plug with an extension cord receptacle or the outlet unless the blades can be fully inserted to prevent blade ex...

Страница 6: ...t in a location that does no satisfy the specified environmental conditions This may damage the product and may cause a fire 4 If a foreign substance such as water metal or liquid gets inside the pane...

Страница 7: ...d bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 1 2 Notes Notes on...

Страница 8: ...perform the work When the surface of the panel comes into contact with the cushioning materials be sure to confirm that there is no foreign matter on top of the cushioning materials before the surface...

Страница 9: ...tates using the wire clamps Perform a safety check when servicing is completed Verify that the peripherals of the serviced points have not undergone any deterioration during servicing Also verify that...

Страница 10: ...10 LCD TV Service Manual Hisense Confidential 2 Product Function Specifications 2 1 Product Function Front Cabinet Back Cabinet...

Страница 11: ...11 LCD TV Service Manual Hisense Confidential...

Страница 12: ...12 LCD TV Service Manual Hisense Confidential...

Страница 13: ...13 LCD TV Service Manual Hisense Confidential 2 2 Specifications...

Страница 14: ...ssible modifications without notice due to improvements 3 LCD Panel Spec 3 1 General Description AX080D002F is a 31 5 TFT Liquid Crystal Display module with 16 EEFL Backlight unit and a single LVDS in...

Страница 15: ...15 LCD TV Service Manual Hisense Confidential 3 2 General Features...

Страница 16: ...No Type Model PCB Model TV 1 Main BD 116468 RSAG2 908 1230 4 RSAG7 820 1276 TV 2 In Out connector board 116434 RSAG2 908 1291 5RSAG7 820 1263 TV 3 LED IR Board 114175 RSAG2 908 1169 40RSAG7 820 1213...

Страница 17: ...el J101 Jack TJC10 14A ROH Power from Power BD J1411 Jack TJC10 3A ROH Buttons connect key BD and main BD J1410 Jack TJC10 5A ROH IR LED J703 Jack TJC10 4A ROH Serial Port connector J902 Jack TJC3 4A...

Страница 18: ...OH Main BD J1411 Key BD XPK01 5 LED IR Connector TJC10T 5Y 500 ROH Main BD J1410 IR LED BD XPR01 6 Audio out put R L Connector TJC3H 4Y 650 900 ROH Main BD J801 Speakers 7 Headphone Audio Connector TJ...

Страница 19: ...up User OSD Menu 3 Select Audio Balance 4 Enter 0 5 3 2 in sequence Note If necessary re do number keys 5 Factory OSD appears 6 Press Menu again and leave factory OSD 5 2 Factory OSD Menu 5 2 1 White...

Страница 20: ...Item Default Options Note 1 Version LHD32W19NUS_E002 Software version 2 Date r 1 02_0308 The date of current version Note Software version info of the TV readable only 5 2 4 Clear the EEPROM Item Mea...

Страница 21: ...128 128 128 128 132 130 G Gain 126 126 126 116 124 120 B Gain 134 134 134 124 124 125 Offset TV AV S Video Component VGA HDMI R Offset 116 116 116 117 113 115 G Offset 118 118 118 123 122 117 B Offse...

Страница 22: ...50 450 450 Saturation Max 1000 1000 1000 1000 1000 1000 Saturation Min 0 0 0 0 0 0 Saturation Mid 500 500 500 500 500 500 Hue Max 1000 1000 1000 1000 1000 1000 Hue Min 0 0 0 0 0 0 Hue Mid 471 471 471...

Страница 23: ...2 47 64 AV 0 27 39 52 73 S Video 0 27 38 55 88 HDMI component VGA 0 24 35 45 80 Note Set Downmix to Lt Rt 6 Software Upgrading The software is upgraded by a burning toll MtkTool which can burn the pro...

Страница 24: ...the unit to your pc with a USB to serial port cable USB port connects to your pc and serial port to the TV s RS232 port For the first connecting the pc will recognize and automatically install the US...

Страница 25: ...25 LCD TV Service Manual Hisense Confidential...

Страница 26: ...te and time After connecting the TV with your PC double click icon open the MtkTool If following error appears it means the related port is not be set properly Ignore these errors click Confirm and en...

Страница 27: ...e to 115200 as the below picture 5 Click the browse button to select the bin file that will be updated 6 Click the start button to update software Select mode of Flash chip Communicate port Set Flash...

Страница 28: ...o select COM2 in the MtkTool main interface Select the right baud rate according to chip model For this unit chip model is MT538X select 115200 Note Where or not click the Auto Set Flash Baud Rate in...

Страница 29: ...e Manual Hisense Confidential Click Browse button find the upgrading program file and select it Press Upgrade button and start upgrading The following interface appears on the screen indicating upgrad...

Страница 30: ...nfidential 7 Troubleshooting 7 1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Replace battery Replace remote contr...

Страница 31: ...l Hisense Confidential 7 2 Troubleshooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Replace tact switch Replace Key BD...

Страница 32: ...replace IR BD or Keypad PCA TV won t power on Is LED light NO YES Check Power Inlet YES NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power...

Страница 33: ...Hisense Confidential 7 4 Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES...

Страница 34: ...sense Confidential 7 5 Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Re...

Страница 35: ...ense Confidential 7 6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replac...

Страница 36: ...se Confidential 7 7 Troubleshooting for Video S Video input No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace C...

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