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akira LCT-20HSST Service Manual
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akira LCT-20HSST Service Manual

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Summary of Contents for akira LCT-20HSST

  • Page 1 LCT TV Service Manual...
  • Page 2 -2 - MODEL: LCT-20HSST Model No.: LCT-20HSST Version: 1.0...

  • Page 3: Table Of Contents

    CONTENTS SAFE PRECAUTION ..........................4 BLOCK DIAGRAM ..........................5 MAIN BOARD ............................6 FACTORY MODE ADJUSTMENT ......................7 TROUBLESHOOTING ......................... 10 HOW TO UPDATE THE SOFTWARE ....................12 CIRCUIT DIAGRAM ..........................13 PART LIST............................. 28 Model No.: LCT-20HSST Version: 1.0...

  • Page 4: Safe Precaution

    Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement parts which do not have the same characteristic as specified in the parts list may create shock, fire or other hazards. Model No.: LCT-20HSST Version: 1.0...

  • Page 5: Block Diagram

    -5 - BLOCK DIAGRAM Model No.: LCT-20HSST Version: 1.0...

  • Page 6: Main Board

    -6 - MAIN BOARD Model No.: LCT-20HSST Version: 1.0...

  • Page 7: Factory Mode Adjustment

    6) Press "MENU" button on the remote controller to exit the FACTORY MODE. Page 1: Display the different characteristic parameter according to signal source and TV set model. Item Name Default Value Note Panel 640 x 480 Mode table Power on time Backlight on time Version number Model No.: LCT-20HSST Version: 1.0...
  • Page 8 Wb state preset White balance state value Used for test in factory Pct mode setting Picture modes value of different source SCRT Audio out Audio amplitude value 80~116 Volume Middle Middle value of volume 0~127 Model No.: LCT-20HSST Version: 1.0...
  • Page 9 Pw brt max rgb IC PW1306 max bright for rgb 0~127 Pw cnt max rgb IC PW 1306 max contrast for rgb 0~255 Volume Max Volume maximum value 0~127 Volume Min Volume minimum value 0~127 Model No.: LCT-20HSST Version: 1.0...

  • Page 10: Troubleshooting

    Replace N301 or IC N301 Pin10, IC N302 N302 Pin2 (H & V input)? Check N201, 5V supplier, YES, no problem Check IC N201 Pin 45 S AW, 33V supplier, (8V) TUNER Check L205, N501 Model No.: LCT-20HSST Version: 1.0...
  • Page 11 -11 - No sound, picture ok IC N202 Check input periphery IC N202 PIN24, 25 circuit PIN47 Replace N202 IC N202 Replace N202 PIN4, 6 Check speaker and the connector form XP203 to speakers. Model No.: LCT-20HSST Version: 1.0...

  • Page 12: How To Update The Software

    When you finish the updating work, you must restore the values to right position. Model No.: LCT-20HSST Version: 1.0...

  • Page 13: Circuit Diagram

    -13 - CIRCUIT DIAGRAM Model No.: LCT-20HSST Version: 1.0...
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  • Page 21 -21 - Model No.: LCT-20HSST Version: 1.0...
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  • Page 26 -26 - Model No.: LCT-20HSST Version: 1.0...
  • Page 27 -27 - Model No.: LCT-20HSST Version: 1.0...

  • Page 28: Part List

    HX-3003X 1015872 Adaptor JS-12060-3K 1004699 AC cord PHP-330+PHS-305RR 1013129 Speaker YDT511E-5W8R-A 1020339 Front accessory RSAG8.647.044\黑色\SYN136 1020275 User's manual IES040933 101227 Back cover WTG6.170.071 1015400 Front encloser RSAG8.074.091 1020247 Back label E/RSR8.807.1371 1020246 Carton box E/RSR8.865.1506 Model No.: LCT-20HSST Version: 1.0...