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 Item Description TPV Part No. ACER Part No. LED BOARD LEPCLQA2 55.TCCM2.004 PANEL 750GBK238HM2B6N000 KEY BOARD KEPCLQA6 55.TCCM2.003 ADAPTER BOARD PLPCHD541KQB2 55.TCMM2.002 MAIN BOARD 756GQHCB0BA098000Q 55.TCMM2.001 USB BOARD USBLQA4 #N/A USB BOARD USBLQA6 55.TCMM2.004...
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: Prepare a main board, a power board, an USB board and some essential cables. Connect every cable as the below picture. Use a screwdriver to tighten the screws till the power board and USB board with shield are firmly attached then put the mylar with main board aim at the two screw bolts of mainframe and tighten the screws of main board.
Page 7
Assemble the MIDDLE FRAME, DECO bezel and the panel. Use a screwdriver to tighten the screws.
Page 8
Connect cables (mainboard to panel, mainboard to speakers and the power board to panel). Assemble the LED board, the speakers and the USB board.
Page 9
Put the Mylar slice(Note:refer to last page)marked the information of mainframe position on the panel. Mylar slice edge must be against the bezel. Put the mainframe along the mark. Holding the mainframe while you are removing the Mylar and pasting the tapes.
Page 10
Prepare a rear cover and a key board and use the screws to lock the key board. Connect the pin (LED board / Key board) and the pin (Key board to mainboard). Use the screws to lock the rear cover.
Page 12
4.2 Disassembly procedures: Push the button to remove the stand –base ASS’Y and unscrew the screw on rear cover.
Page 13
Remove the rear cover. Use a tool (like picture using) to open all latches. (Be careful the position of the key board.) Disconnect the cable (main board to Key board / LED board / Key board) and remove the screws to remove the key board from the rear cover.
Page 14
Tear up all tapes and disconnect the LVDS cable (main board to panel), the cables (power board to panel and the main board to key board). Remove the LED board and the Speakers. Remove the screw to remove the USB board.
Page 15
Remove the screws to separate the panel and the Middle Frame and the DECO BEZEL.
Page 16
Firstly, unscrew the screws of the main board and pull out the two screw bolt to remove the mylar. Then unscrew the screws of the power board and main board to remove them from mainframe.
Page 17
Remove the main board and power board. Disconnect the cables.
3. Firmware Upgrade Process 1.Materials list ISP JIG: 715GT089-C VGA cable TPV P/N: 089G728 GAA DB Monitor USB cable TPV P/N: 089G1758 X USB port driver ISP tool: New F/W...
Page 19
2.Connection 3.Install USB driver. 3.1. hen 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 20
4.3 Click “ISP” and “ISP Option” to set the “Erase Setting” as below.
Page 21
4.4 Close the “ISP Option” window and click the “BigBin” to load the correct F/W. 4.5 Click to start programming.
Page 22
4.6 After about 20 minutes, there will pop up message as below figure which promotes the upgrade successful. 5. Check the FW version after upgrade. 5.1. The way to open factory menu. (1) Connect VGA source to monitor and turn it on. (2) The way to factory menu: DC off and pressing the “1”...
Page 23
Check this F/W version. (3) Do “Auto Color” in factory mode. 5.2. Do factory reset in user menu. (1)Restart the monitor after open factory menu. And then open the user menu.
Page 24
(2)Factory reset will turn off “Burn in” mode which screen color switches among red, green, blue and black. 6. Troubleshooting. 6.1. 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.
4. Writing EDID Process 1.Materials list ISP JIG: 715GT089-C VGA CABLE USB CABLE TPV P/N: 089G728 GAA DB TPV P/N: 089G1758 X Monitor USB port driver ISP tool EDID...
Page 26
4.1. Change the EDID files name as below rule. VGA EDID WA.dat DP EDID WP.dat HDMI EDID WH.dat 4.2. Copy these files to one folder named as ACER B247Y must contains “config.ini” file. 4.3. Copy ACER B247Y to DDC folder and put DDC and ISP tool together.
Page 27
4.4 Set the config as below. 5. 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. 5.1. Double-click the icon to open the tool.
Page 28
5.2. Select the EDID folder. 5.3 Tick the “Only connect VGA and “Write SN”, and then click “Debug Information”.
Page 29
5.4 Set “other setting” and type the 22 digit S/N. 5.5 Start to writing. Click “write EDID” to start writing. When The green “PASS” appear, the process is finished.
Page 30
5.6 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 31
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: While reading the DP EDID data, you must light up the monitor or connect a signal to the monitor. If after doing this setp the EDID still shows all “00”, but others port can show the EDID data, the EDID data of DP uaually include in FW,can’t read out it.
Page 32
5. FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of ACER B247Y 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 33
SIDE USB USBLQA6 55.TCMM2.004 BOARD PANEL 750GBK238HM2B6N000 SPEAKER 378G0025689CLA 23.TCCM2.001 SPEAKER 378G0025689CRA 23.TCCM2.002 CABLE 30P 400MM(MB TO 395G179M30B6480000 50.TCCM2.001 PANEL) CABLE 30P 180MM(USB BOARD TO 395G176K0305170000 50.TCMM2.001 SIDE USB BOARD)
Page 34
CABLE 4P- 2P+2P 395GH20004WM049000 50.TCCM2.002 500/400MM(MB TO SPEAKER) CABLE 6P 500MM(MB TO 395GH20006XM208000 50.TCCM2.003 KEY BOARD) CABLE 6P 600MM(PB TO 395GH20006GM209000 50.TCCM2.004 PANEL) CABLE 7P-7P 60MM(MB TO 395GH20007XM037000 50.TAAM2.005 USB BOARD) D SUB CABLE 089G-728GAA-2A 50.LZJM2.003 1800MM POWER CORD 1800MM 389G404A18NISG 27.T1BM2.001 (EUROPE)
Page 35
HDMI CABLE 389G1848CAA502 50.T27M2.010 1800MM AUDIO CABLE 389G017356G53R 50.LXPM2.012 1800MM USB CABLE 089G-175M02-C 50.T28M2.003 1800MM DP CABLE 089G-187BAA500 50.LW7M2.002 1800MM BLACK BEZEL ASSY W 705GQHCS034441 60.TCCM2.001 LOGO MIDDLE Q34G8552AEM01S0100 60.TCMM2.001 FRAME...
Page 36
REAR COVER Q34G8553AEM01S0100 60.TCMM2.002 STAND BASE Q37G083720110100FH 60.TCMM2.003 ASSY FUNCTION KEY A33G2238AEM01L0100 60.TCCM2.007 MAINFRAME Q15G320110110100FJ 33.TCMM2.001 Q85G033310110100YM 33.TCMM2.002 SHIEKDING...