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.
1. Exploded view diagram with list of items TPV Part No. Description ACER Part No. Item LEPCLQA2 LED BOARD 750GBN280DCB12N000 PANEL PLPCHI541KE3B ADAPTER BOARD CBPCJE2C0Q1 MAIN BOARD KEPCLQA6 KEY BOARD 395GLM5151T563COAX COAXIAL CABLE 51P-51P 320MM(MB TO PANEL)
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) −...
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2.1 Disassembly Procedures: S1. Push the button to remove the stand base ass’y. S2. Unscrew the screws then Use a tool (like picture using) to open all latches for Remove the REAR COVER. (Be careful the position of the key board.).
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Disconnect the cables to remove the rear cover. S3. Unscrew the screws to remove the key board.
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S4. Tear up all the tapes, disconnect the cables, Unscrew the screws and remove the SPEAKERs.
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S5. Remove the screws to separate the panel and the Middle Frame/LED Board and the DECO BEZEL.
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S6. Remove the Mylar and unscrew the all of the screws to remove the power board, main board from mainframe...
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S7. Remove the main board, power board. Disconnect the cables.
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2.2 Assembly Procedures: S1. Prepare a main board, a power board, a pair of speakers and some essential cables. Connect every cable as the below picture se a screwdriver to tighten the screws till the power board, main board with shield are firmly attached. Put on the Mylar.
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S3. Assemble the MIDDLE FRAME, DECO bezel, LED board and the panel. Use a screwdriver to tighten the screws.
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S4. Put the shield on panel, Use a screwdriver to tighten the screws. Connect cables (mainboard to panel and the power board to panel). Assemble the speakers.
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S5. Pasting the tapes. S6. Prepare a rear cover, Assemble the key board.
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S7. Connect the pins. S8. Use a screwdriver to tighten the screws then assembly the stand ass’y.
3. Firmware Upgrade Process 1. Materials list and connection USB port driver 2.Install USB driver. 2.1 If you use this ISP board first time , you need to install mstar driver, open the device manager.
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This USB serial port need update the driver again.
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2.2 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 to check the port.
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3.3 Connect to the monitor. Click “Connect”. If the tool communicate with monitor successfully, the tool will detect the flash type of monitor.
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3.4 Load the F/W you want to upgrade. 3.5 Set the restore address and Config as below. (In order to prevent HDCP KEY data loss, please must load the file name contain the “” Reduce“” of the firmware)
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3.6 Set parameter in “Auto” window. If you have set “Restore address”, please tick “Restore Data”. 3.7 Processing of upgrade. After clicking “Run”, the tool start to program. It is forbided to power off monitor or switch off connection during programming. 3.8 Successful upgrade.
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4. Check the FW version after upgrade. 4.1. The way to open factory menu. (1) Connect signal source to monitor and turn it on. (2) The way to factory menu: DC off and pressing the “1” key and DC on, when the screen lights, release the “1” key to open the menu with “F”...
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Check this F/W version. 4.2. Do factory reset in user menu. (1)Restart the monitor after open factory menu. And then open the user menu.
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(2)Factory reset will turn off “Burn in” mode which screen color switches among red, green, blue and black. 5. Troubleshooting. 5.1. Can’t Entry ISP Mode!! (1) Check the cables and ISP JIG are connected fluently. (2) Click the “Dis Con” and click “Connect” again. (3) AC off the monitor for a while and retry it.
HDMI2.0 EDID WH_20.dat HDMI2_2.0 EDID WH2_20.dat 3.2. Copy these files to one folder named as ACER VG280K must contains “config.ini” file. 3.3. Copy ACER VG280K to DDC folder and put DDC and ISP tool together. 3.4 Set the config as below.
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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. 4.1. Double-click the icon to open the tool.
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4.4 Tick the “Only connect HDMI and “Write SN” 4.5 Set “other setting” as below.
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4.6 Type in the 22 digit S/N and “Debug Information”. 4.7 Click “write EDID” to start writing. When The green “PASS” appear, the process is finished.
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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. 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.
5. FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of ACER VG280K 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.