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Acer KA272 Lifecycle Extension Manual
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Acer KA272 Lifecycle Extension Manual

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27" LCD Monitor
ACER KA272
Service
Service
Service
Acer Monitor KA272
LIFECYCLE EXTENSION
GUIDE
1

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Summary of Contents for Acer KA272

  • Page 1 27" LCD Monitor ACER KA272 Service Service Service Acer Monitor KA272 LIFECYCLE EXTENSION GUIDE...

  • Page 2: Table Of Contents

    Contents Important Safety Notice............................ 3   1. Exploded view diagram with list of items ....................4   2. Mechanical Instruction ..........................5   3. Firmware Upgrade Process ........................20   4. Writing EDID Process ..........................26   5. FRU (Field Replaceable Unit) List ......................26   6.

  • Page 3: Important Safety Notice

    Important Safety Notice Proper service and repair is important to the safe, reliable operation of all ACER Company Equipment. The service procedures recommended by ACER and described in this service manual are effective methods of performing service operations. Some of these service operations require the use of tools specially designed for the purpose.

  • Page 4: Exploded View Diagram With List Of Items

    1. Exploded view diagram with list of items Item Description TPV Part No. ACER Part No. LED BOARD LEPCLQA2 55.TCCM2.004 PANEL 750GBV270LF116N000 KL.27006.011 KEY BOARD 715G9232K01000004T ADAPTER BOARD PLPCID541KVK9 55.TDPM2.008 MAIN BOARD CBPRLW2C0Q2 55.TCMM2.001 CABLE 30P-30P 450MM(MB TO 395G179W30P0280000 50.TDPM2.003...

  • Page 5: Mechanical Instruction

    2. Mechanical Instruction Tools Required List the type and size of the tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed. Tool Description: − Screwdriver (Phillip-head, Hexagonal head) −...
  • Page 6 2.1 Disassembly Procedures: S1 Prepare a main board, a power board and some essential cables. Connect every cable as the below picture. S2. Use a screwdriver to tighten the screws till the power board and main board with shield are firmly attached. Tape the Mylar.
  • Page 7 S3. Assemble the DECO bezel, the LED board and the panel.
  • Page 8 S4. Connect cables (mainboard to panel and the power board to panel). To tighten the screw for locking the mainframe. Paste the tapes.
  • Page 9 S5. Prepare a rear cover and a key board and use the screws to lock the key board.
  • Page 10 S6. Connect the pin (LED board / Key board) and the pin (Key board to mainboard), connect the speakers. Use the screws to lock the rear cover.
  • Page 11 S7. Assemble the stand and base ASS’Y.
  • Page 12 4.2 Disassembly procedures: S1. Push the button to remove the stand –base ASS’Y and unscrew the screws on rear cover.
  • Page 13 S2. Remove the rear cover. Use a tool (like picture using) to open all latches. (Be careful the position of the key board.)
  • Page 14 S3. Disconnect the cables (main board to Key board / LED board to Key board) and remove the screws to remove the key board from the rear cover. Disconnect the pins to remove the speakers.
  • Page 16 S4. Tear up all tapes and disconnect the cables (main board to panel), the cable (power board to panel). Unscrew the screw.
  • Page 17 S5. Separate the panel, the DECO BEZEL and the LED board.
  • Page 18 S6. Unscrew the screw of the main board, remove the mylar. Then unscrew the screws of the power board and main board to remove them from mainframe.
  • Page 19 S7. Remove the main board and power board. Disconnect the cables.

  • Page 20: Firmware Upgrade Process

    3. Firmware Upgrade Process 1. Materials list and connection USB port driver ISP TOOL 2.Install USB driver. When insert the USB cable to PC USB port, will pop up a Hardware Wizard to help you install the USB driver if you use this ISP board first time.it can auto install success by itself Remark: The USB driver files path: D:\FTC100103(Mstar)\FTCUSB.INF After installation the USB serial port driver, please check the port.
  • Page 22 3.3 Click “ISP” and “ISP Option” to set as below. (In order to prevent HDCP KEY data loss, please must load the file name contain the “Reduce” of the firmware) 3.4 Close the “ISP Option” window and click the “BigBin” to load the correct F/W.
  • Page 23 3.5 Click to start programming. 3.6 After about 20 minutes, there will pop up message as below figure which promotes the upgrade successful.
  • Page 24 4. Check the FW version after upgrade. 4.1. The way to open factory menu. (1) Connect source to monitor and turn it on. (2) The way to factory menu: Pressing the hot key button and DC on, when the screen lights, release the key and press the left botton again to open the menu with “F”...
  • Page 25 4.2. Do factory reset in user menu. (1)Restart the monitor after open factory menu. And then open the user menu. (2)Factory reset will turn off “Burn in” mode which screen color switches among red, green, blue and black. 4.3 How to close the burn in mode: Set the burn in to “OFF”...

  • Page 26: Writing Edid Process

    VGA EDID wa.dat HDMI EDID WH.dat 3.2. Copy these files to one folder named as Acer KA272 which must contains “config.ini” file. 2. Install USB driver. 3. Prepare the EDID written. 3.1. Change the EDID files name as below rule.
  • Page 27 3.3. Copy Acer KA272 to DDC folder and put DDC and ISP tool together. 3.4 Setting the Config as below. 4. Run the ISP tool Note: If the F/W Upgrade use the same ISP tool as the EDID writing, you must close the F/W Upgrade tool before running the EDID writing tool.
  • Page 28 4.2. Select the EDID folder.
  • Page 29 4.3. Load EDID successful. 4.4 Tick the “Only connect VGA”.
  • Page 30 4.5 Set the OtherSetting as below. 4.6 Type in the date and the 22 digit S/N and “Debug Information”.
  • Page 31 4.7. Start to writing. Click “write EDID” to start writing. When The green “PASS” appear, the process is finished. 4.8 After writing the EDID pass, you must read the EDID to ensure the EDID data had been write into the monitor. Choose one of the port to read.
  • Page 32 1. If it appears all “00” when read the EDID data,you need reconnect the ISP tool or install the the driver of the ISP tool again. Note：If this model has DP port,while reading the DP EDID data, you must light up the monitor or connect a signal to the monitor.
  • Page 33 5. FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of ACER KA272 Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHEN ORDERING FRU P ARTS, you should c heck the most up-to-date information available on your regional web or channel.
  • Page 34 SPEAKER 378G0025689CRA 23.TCCM2.002 AUDIO-CABLE-1800 389G017356G53R 50.LXPM2.012 HDMI-CABLE-1800 389G1848GAA50200AL 50.TBLM2.004 D-SUB-CABLE-1800 089G-728CAA-2A 50.LZJM2.003 CABLE 30P-30P 395G179W30P0280000 50.TDPM2.003 450MM(MB TO PANEL) CABLE 4P-2P+2P- 650mm/220mm(MB TO 395GH20004WM148000 50.TCCM2.002 SPEAKER) CABLE 6P-6P- 200MM(POWER TO 395GH20006DM253000 50.TCMM2.003 PANEL) CABLE 6P-6P- 450mm(MB TO key 395GH20006GM208000 50.TCCM2.003 board)
  • Page 35 POWER CORD TYPE D 1800MM BLACK 389G404A18NISG 27.T1BM2.001 (EUROPE) REAR_COVER FOR TPV LCD-TPM270WF1- Q34G9202AEM03S0100 LF1L.Q-01A-WH W D- SUB&AUDIO&HDMI KEY_FUNCTION A33G2236AEM01L0100 60.TBLM2.003 A33G2238AEM02L0100 60.TCBM2.002 STAND-HINGE-ASSY 705GQICS034742 BASE ASSY 705GQICS034743 BEZEL ASSY 705GQICS034744 MAINFRAME Q15G3200101M0100ZA...

  • Page 36: Trouble Shooting Instructions

    6. Trouble shooting instructions...