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Sanyo LMU-TK18AG2 Service Manual

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Summary of Contents for Sanyo LMU-TK18AG2

  • Page 2: Table Of Contents

    6, TABLE OF SIGNAL NAME ----------------------------------------------------------------- 10,11 7, EXPLODED VIEW AND PARTS LIST 7-1 Exploded View ------------------------------------------------------------------------ 7-2 Parts List 7-2-1 LMU-TK18AG2 ---------------------------------------------------------------- 13 7-2-2 LMU-TK18AG2TC ------------------------------------------------------------ 14 8, APPENDEX ------------------------------------------------------------------------------------- Refer to the separate volume User’s Manual and CD-ROM that included for instruction.

  • Page 3: Precautions

    PRECAUTIONS Placement precautions Avoid placing the unit in humid or dusty places, or where it will be exposed to excessive heat (direct sunlight, heaters, etc.) Do not step on or set anything on the AC cord. DAMAGE TO THE AC CORD IS A SAFETY RISK AND CAN CAUSE A FIRE. Do not connect the unit to the same AC as outlet with appliances that generate large amounts of interference (such as heaters with thermostats, appliances with motors, etc.).

  • Page 4: 1, Main Specification

    1. MAIN SPECIFICATION Model Name LMU-TK18AG2TC LMU-TK18AG2 Display Panel Type Screen Size 18.1" Pixel Pitch 0.2805 x 0.2805 mm Effective Viewing Area 359.04 x 287.232 mm Pixel Format 1,280 x 1,024 (SXGA) Brightness 200cd/m typ. Response Time 75ms Contrast 300 : 1 typ.

  • Page 5: 2, Trouble Shooting

    2. TROUBLESHOOTING Check the following for troubles of LCD monitor. Symptom Check Points Treatments Class No Picture with Back light OFF Check AC outlet, AC cord, DC Jack and Is the Power "ON" to a LCD Monitor ? Power switch for a LCD monitor Is the Power "ON"...
  • Page 6 Symptom Check Points Treatments Class Dark screen Is the wire harness between inverter and a LCD Ensure the connection of a wire harness module secured firmly ? Is the wire harness between one of inverters Ensure the connection of a wire harness and main PCB secured firmly ? Is the display circuit on main PCB defective ? Replace the main PCB with the new one...

  • Page 7: Lmu-Tk18Ag2

    3. MAINTENANCE 3-1 LMU-TK18AG2 Disassembling the major components (1) Cabinet 1.Unscrew to secure the cabinet (10-position) 2.Pull the cabinet upward to remove it (2) LCD Panel 1.Unscrew to secure the LCD Panel (4-position) 2.Pull the LCD Panel and pull two connectors out from inverter unit 3.Disconnect two cables from the Main PCB...

  • Page 8: Lmu-Tk18Ag2Tc

    3-2 LMU-TK18AG2TC Disassembling the major components (1) Cabinet 1.Unscrew to secure the cabinet (10-position) 2.Pull the cabinet upward to remove it (2) LCD Panel and Touch Panel 1.Unscrew to secure the bracket for Touch Panel (8-position) and remove the brackets 2.Unscrew to secure the LCD Panel (4-position) 3.Pull the Touch Panel and LCD Panel up and pull two connectors out from inverter unit...

  • Page 9: 4, Block Diagram

    4. BLOCK DIAGRAM Main Board OSD Buttons Micro Controller EEPROM Vsync. Hsync. SXGA Video Controller ASIC Panel Video Green Inverter Blue EEPROM Panel Clock Gen. for P&P Cont. Rotary Inverter Volume Driver DC/DC Conv. Micro RS232C Power Supply Controller Touch Senser TOUCH CONTROLLER A/D Conv.

  • Page 10: 5, Connection Diagram

    5. Connection Diagram - 9 -...

  • Page 11: 6, Table Of Signal Name

    6. TABLE OF SIGNAL NAME Symbol Signal Name Location Notes RED/Analog Video Signal CN100-1 GREEN GREEN/Analog Video Signal CN100-2 BLUE BLUE/Analog Video Signal CN100-3 DDDA(ID1) DDC Data CN100-12 HSYNC Horizontal Synchronizing Signal CN100-13 VSYNC Vertical Synchronizing Signal CN100-14 DDCK(ID3) DDC Data Clock CN100-15 DB0- Pixel Data-Even...
  • Page 12 TouchScreen Controller (for LMU-TK18AG2TC only) Repuest To Send JP1-1 Receive Data JP1-2 Transmit Data JP1-3 Clear To Send JP1-4 Data Carrier Detect Data Terminal Ready Signal ground Data Set Ready Chassis (earth) ground Upper right (UR) corner JP2-9 Lower right (LR) corner JP2-10 Upper left (UL) corner JP2-11...

  • Page 13: 7, Exploded View And Parts List

    7. EXPLODED VIEW AND PARTS LIST 7-1 Exploded view - 12 -...

  • Page 14: Parts List

    7-2 Parts List CAUTION Parts marked as Are very important to secure safety. In case of replacement, it is required to use designted parts for safety. 7-2-1 LMU-TK18AG2 REF No. PART No. DESCRIPTION Q'ty NOTES OUTER 661 006 5927 OUTER CARTON...

  • Page 15: Lmu-Tk18Ag2Tc

    CAUTION Parts marked as ! Are very important to secure safety. In case of replacement, it is required to use designted parts for safety. 7-2-2 LMU-TK18AG2TC REF No. PART No. DESCRIPTION Q'ty NOTES OUTER 661 006 5927 OUTER CARTON INDIVIDUAL 661 004 2409 PAD, TOP 632 892 5001 ACCESSORY CASE 632 892 5018 PAD, ACCESSORY...

  • Page 16: 8, Appendex

    APPENDIX Version of Firmware The Version of Firmware is displayed on screen. Turn the Power Switch to ‘OFF’. While pressing of the [ENTER] button, turn the Power Switch to ‘ON’. - 15 -...

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