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2.1 Disassembly Procedures:

S1 Prepare a main board, a power board and some essential cables. Connect every cable as the below picture.

Use a screwdriver to tighten the screws till the power board and main board with shield are firmly attached.
Tape the Mylar. And use a Hex-head screwdriver to tighten the screws for locking the connector.

S2

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Summary of Contents for CB242Y

Page 1: ...1 24 LCD Monitor ACER CB242Y Service Service Service Acer Monitor CB242Y LIFECYCLE EXTENSION GUIDE ...

Page 2: ...ant Safety Notice 3 1 Exploded view diagram with list of items 4 2 Mechanical Instruction 5 3 Firmware Upgrade Process 19 4 Writing EDID Process 26 5 FRU Field Replaceable Unit List 26 6 Trouble shooting instructions 37 ...

Page 3: ... may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from ACER ACER assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CAUTION Use of c...

Page 4: ... TPV Part No ACER Part No 2 LED BOARD LEPCLQA2 55 TCCM2 004 3 PANEL 750GBV2381L4L1N000 KL 23806 003 4 KEY BOARD KEPCLQA6 55 TCCM2 003 7 ADAPTER BOARD PLPCHI541TCB5 NA 8 MAIN BOARD CBPRLW5C0Q9 NA FFC CABLE 30P 30P 450MM MB TO PANEL 395G179M30B8370000 50 TCMM2 004 ...

Page 5: ...st 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 Penknife ...

Page 6: ...nd some essential cables Connect every cable as the below picture Use a screwdriver to tighten the screws till the power board and main board with shield are firmly attached Tape the Mylar And use a Hex head screwdriver to tighten the screws for locking the connector S2 ...

Page 7: ...7 Assemble the DECO bezel the LED board and the panel S3 ...

Page 8: ...8 Connect the cable mainboard to panel S4 ...

Page 9: ...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 Connector the pin power board to panel Prepare a rear cover a key board and use the screws to lock the key board Assemble the speakers S5 S6 ...

Page 10: ...10 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 S7 ...

Page 11: ...11 Assemble the stand and base ASS Y S8 ...

Page 12: ...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: ...re using to open all latches Be careful the position of the key board 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 14: ...14 ...

Page 15: ...15 S4 Tear up all tapes and disconnect the cables main board to panel the cable power board to panel Unscrew the screw ...

Page 16: ...16 S5 Separate the panel the DECO BEZEL and the LED board ...

Page 17: ...17 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 18: ...18 S7 Remove the main board and power board Disconnect the cables ...

Page 19: ...19 3 Firmware Upgrade Process 1 Materials ISP JIG 715GT089 C VGA cable TPV P N 389G0728GAADBR PC Monitor USB cable TPV P N 389G017508R1CG USB port driver ISP tool New F W ...

Page 20: ...p 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 Look the properties of my Computer ...

Page 21: ...W Upgrade use the same ISP tool as the EDID writing you must close the EDID writing tool before running the F W Upgrade tool 4 1 double clicks the icon to run it Note Must to install driver firstly 4 2 Choose the FTDIUSB communication way ...

Page 22: ...SP 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 4 4 Close the ISP Option window and click the BigBin to load the correct F W ...

Page 23: ...23 4 5 Click to start programming 4 6 After about 2 5 minutes there will pop up message as below figure which promotes the upgrade successful ...

Page 24: ... Connect VGA 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 and select F to open factory menu Check this F W version POWE R Hot Key ...

Page 25: ...the word pass it s seems that auto color IS OK 5 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 5 3 How to close the burn in mode Set the burn in to OFF ...

Page 26: ...26 4 Writing EDID Process 1 Materials list VGA cable USB cable TPV P N 389G0728GAADBR TPV P N 389G017508R1CG USB port driver ISP JIG 715GT089 B PC Monitor ISP tool EDID ...

Page 27: ...EDID written 4 1 Change the EDID files name as below rule DP EDID WP dat HDMI EDID WH dat Analog EDID WA dat 4 2 Copy these files to one folder named as Acer CB242Y which must contains config ini file 4 3 Copy Aopen CB242Y to DDC folder and put DDC and ISP tool together ...

Page 28: ...e 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 29: ...29 5 2 Select the EDID folder 5 3 Load EDID successful ...

Page 30: ...30 5 4 Tick the Only connect VGA and Write SN 5 5 Set the OtherSetting as below ...

Page 31: ...31 5 6 Type in the date and the 22 digit S N and Debug Information 5 7 Start to writing Click write EDID to start writing When The green PASS appear the process is finished ...

Page 32: ...r 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 2 If it appears all FF it shows that the EDID data of the Main board is empty you must writing the EDID again 6 Troubleshooting 6 1 Can t write 1 AC on the monitor and turn on it Restart the monitor 2 Take apart th...

Page 33: ...e may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional ACER office to order FRU parts for repair and service of customer machines NOTE To scrap or to return the defective parts you should follow the local government ordinance or regulations on how to dispose it properly or follow the rules set...

Page 34: ... CABLE 1800MM 389G1878AAA500 50 TBLM2 001 AUDIO CABLE 1800MM 389G017356G53R 50 LXPM2 012 FFC CABLE 30P 30P 450MM MB TO PANEL 395G179M30B8370000 50 TCMM2 004 CABLE 4P 2P 2P 550 160MM MB TO SPEAKER 395GS20004DM030000 50 TDNM2 006 CABLE 6P 6P 360MM MB TO KEY BOARD 395GH20006XM302000 50 TDNM2 003 ...

Page 35: ...OWER CORD 1800 for Europe 389G404A18NHLG 27 T1BM2 001 BEZEL ASSY WITH LOGO 705GQICS034711 60 TDNM2 005 REAR COVER Q34G9123AEM05S0100 NA FUNCTION KEY Q33G0890AEM01S0100 60 TCCM2 006 Joystick BUTTON A33G2238AEM02L0100 60 TCBM2 002 STAND BASE ASSY Q37G099810150100ZA NA ...

Page 36: ...36 MAINFRAME Q15G3201101N0100FJ NA ...

Page 37: ...37 6 Trouble shooting instructions ...

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