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Acer Chromebook R853TA, Lifecycle Extension Manual

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Acer Chromebook R853TA Lifecycle Extension Manual Download Page 22

1-20

Disassembly Procedures

4. Release the I/O bracket from the USB port slot and guide pin (E) on the top assembly. 

Then remove the I/O bracket (F) (

Figure 1-25

).

Figure 1-25. USB Board Removal

5. Release the USB board from the USB port slot and guide pins (G) on the top assembly. 

Then remove the USB board (H) (

Figure 1-26

).

Figure 1-26. USB Board Removal

F

E

H

WEEE Annex VII Component: 

USB Board

G

G

Summary of Contents for Chromebook R853TA

Page 1: ...LIFECYCLE EXTENSION GUIDE Acer Chromebook R853TA ...

Page 2: ...i Self Repair 1 1 Disassembly Procedures 1 3 Troubleshooting 1 27 FRU Field Replaceable Unit List 1 28 Exploded Diagrams 1 29 Software Update 1 33 Personal Data Removal 1 34 ...

Page 3: ...embly Procedures section then this component is either not present on the respective model or it is present but embedded on the motherboard and therefore not eligible for self repair NOTE NOTE Do not attempt to replace other components than those listed above NOTE NOTE For replacement parts always use only Acer certified components in order to safeguard quality optimum system performance stability...

Page 4: ...es if not performed by an Acer Service Center or authorized Service Partner are at own risk To update Drivers Run Windows Update in order to get the latest drivers from Acer Select the Start button Go to Settings Update Security Windows Update Available Drivers will automatically be listed on the screen Press Download to start the download of the respective driver Installation of the driver will s...

Page 5: ...wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer Take off any metal objects on your arms or fingers such as bracelets rings or watches and make sure your hands are completely dry Even if your unit is unplugged there may still be some remaining electric charge If a component does not come out easily do ...

Page 6: ...1 4 Disassembly Procedures WEEE Annex VII Component 0 These components are classified as requiring selective treatment Battery pack Touchpad module USB board Mainboard LCD panel ...

Page 7: ...e the system on a stable work surface 2 Remove the power adapter from the USB Type C port A as shown in Figure 1 1 or from the USB C port B as shown in Figure 1 2 3 Remove all cables from system Figure 1 1 AC Adapter Outlet 4 Remove the microSD card from the microSD card slot C Figure 1 2 Figure 1 2 MicroSD Card Removal A B C ...

Page 8: ...1 6 Disassembly Procedures NOTE NOTE Make sure the system is completely powered off ...

Page 9: ...ews from the base cover Figure 1 3 Figure 1 3 Base Cover Removal 2 Carefully pry up the base cover starting from the upper side to release the latches Then continue releasing the remaining latches on the left right and bottom sides Figure 1 4 Figure 1 4 Base Cover Removal ...

Page 10: ...1 8 Disassembly Procedures 3 Grasp and remove the base cover from the system Figure 1 5 Figure 1 5 Base Cover Removal ...

Page 11: ...ind the battery pack A on the top assembly Figure 1 6 2 Detach the tape B securing the battery cable to the mainboard connector Figure 1 6 Figure 1 6 Battery Pack Removal 3 Disconnect the battery cable C from the mainboard connector Figure 1 7 Figure 1 7 Battery Pack Removal A B C ...

Page 12: ... release the battery pack from the guide pins D Then remove the battery pack from the top assembly Figure 1 8 Figure 1 8 Battery Pack Removal IMPORTANT Follow local regulations for battery disposal WEEE Annex VII Component Battery Pack D D ...

Page 13: ... from the mainboard connector A Figure 1 9 Figure 1 9 Touchpad Module Removal 2 Detach the adhesive tape B securing the touchpad FFC on the touchpad module Then detach another adhesive tape from the opening on the keyboard compartment for keyboard FPC routing Figure 1 10 Figure 1 10 Touchpad Module Removal A B B ...

Page 14: ... touchpad module connector C and the mainboard connector D Then remove the touchpad FFC from the top assembly Figure 1 11 Figure 1 11 Touchpad Module Removal 4 Detach the conductive tape E from the touchpad module Figure 1 12 Figure 1 12 Touchpad Module Removal C D E ...

Page 15: ... Using the screwdriver push the guide pins F firmly to release them from the top assembly Figure 1 14 7 Slide the touchpad module slightly to disengage it from the bottom latches G and then remove the touchpad module H from the top assembly Figure 1 14 Figure 1 14 Touchpad Module Removal H G G WEEE Annex VII Component Touchpad Module F F F ...

Page 16: ...1 14 Disassembly Procedures 8 Detach the rubbers I from the touchpad module Figure 1 15 Figure 1 15 Touchpad Module Removal I I ...

Page 17: ...ectors A Then unroute the WLAN antennas cables from the cable guides Figure 1 16 Figure 1 16 LCD Module Removal 2 Disconnect the G sensor cable from the mainboard connector B Figure 1 17 3 Disconnect the eDP cable from the mainboard connector C Then unroute the eDP cable from the cable guides Figure 1 17 Figure 1 17 LCD Module Removal A C B ...

Page 18: ...dures 4 Remove six 6 screws securing the LCD hinges in place Figure 1 18 Figure 1 18 LCD Module Removal 5 Open the top assembly Then remove the LCD module away from the top assembly Figure 1 19 Figure 1 19 LCD Module Removal ...

Page 19: ... keyboard FPC from the mainboard connector A Figure 1 20 Figure 1 20 Keyboard Removal 2 Detach the adhesive tape B from the opening on the keyboard compartment for keyboard FPC routing Figure 1 21 3 Remove one 1 screw securing the keyboard in place Figure 1 21 Figure 1 21 Keyboard Removal A B ...

Page 20: ...eyboard from the top assembly Figure 1 22 Figure 1 22 Keyboard Removal 5 Carefully lift the bottom of the keyboard to release it from the top assembly 6 Unroute the keyboard FPC from the opening D on the keyboard compartment Then remove the keyboard E Figure 1 23 Figure 1 23 Keyboard Removal C E D ...

Page 21: ...A and the USB board connector B Then remove the 20 pin USB board FFC Figure 1 24 2 Disconnect the 50 pin USB board FFC from the mainboard connector C and the USB board connector D Then remove the 50 pin USB board FFC Figure 1 24 3 Remove two 2 screws securing the USB board and I O bracket in place Figure 1 24 Figure 1 24 USB Board Removal B D A C ...

Page 22: ...E on the top assembly Then remove the I O bracket F Figure 1 25 Figure 1 25 USB Board Removal 5 Release the USB board from the USB port slot and guide pins G on the top assembly Then remove the USB board H Figure 1 26 Figure 1 26 USB Board Removal F E H WEEE Annex VII Component USB Board G G ...

Page 23: ... Figure 1 27 5 Disconnect the 50 pin USB board FFC from the mainboard connector E Figure 1 27 6 Disconnect the keyboard FPC from the mainboard connector F Figure 1 27 7 Disconnect the touchpad FFC from the mainboard connector G Figure 1 27 8 Disconnect the speaker cable from the mainboard connector H Figure 1 27 CAUTION Make sure all cables FFCs and FPC are disconnected from the connectors on the ...

Page 24: ... on the top assembly Then remove the I O bracket J Figure 1 28 Figure 1 28 Mainboard Removal 11 Release the mainboard from the I O ports slots and guide pins K on the top assembly Then remove the mainboard L Figure 1 29 Figure 1 29 Mainboard Removal J I I WEEE Annex VII Component Mainboard K K L ...

Page 25: ...bly Procedures 1 23 Figure 1 30 Mainboard IMPORTANT Circuit boards 10 cm have been highlighted with a yellow rectangle as shown in Figure 1 30 Remove the circuit board and follow local regulations for disposal ...

Page 26: ...Module Removal 1 Starting from the upper edges pry the LCD cover to release latches Then continue to release the upper left and right latches Figure 1 31 Figure 1 31 LCD Panel Removal 2 Continue to release the bottom latches Figure 1 32 Figure 1 32 LCD Panel Removal ...

Page 27: ...Disassembly Procedures 1 25 3 Release the eDP cable from the left hinge cap Then remove the LCD panel A Figure 1 33 Figure 1 33 LCD Panel Removal A WEEE Annex VII Component LCD Panel ...

Page 28: ...Procedures Top Assembly Removal 0 Prerequisite Ensure that the Speakers Touchpad Module USB Board Mainboard Keyboard and Rear Camera Module have been disassembled prior removing the top assembly Figure 1 34 Top Assembly ...

Page 29: ...ou still encounter problems after going through the corrective measures please contact your dealer or an authorized service center for assistance Table 1 1 Error Messages Error Messages Corrective Action CMOS battery bad Contact your dealer or an authorized service center CMOS checksum error Contact your dealer or an authorized service center Disk boot failure Insert a system bootable disk then pr...

Page 30: ...1 28 FRU Field Replaceable Unit List FRU Field Replaceable Unit List Please contact your local service center to find out how to obtain the part or replace your device ...

Page 31: ...iagrams Figure 1 35 System Exploded Diagram Table 1 2 System Exploded Diagram No Description 1 Top Assembly 2 Keyboard 3 Touchpad 4 Battery Pack 5 Touchpad Rubbers 6 USB Board 7 17 18 19 21 22 23 11 12 13 10 14 5 2 3 4 6 8 9 15 16 20 1 ...

Page 32: ... 12 Camera Holder 13 Microphone Cable 14 Camera Module 15 Touchpad FFC 16 Left I O Bracket 17 Right I O Bracket 18 USB Board FFC H 19 USB Board FFC L 20 Speakers 21 Actetate Tape for Battery 22 Insulator Mylar on Battery Cable 23 Base Cover Table 1 2 System Exploded Diagram Continued No Description ...

Page 33: ...Exploded Diagrams 1 31 Figure 1 36 LCD Assembly Exploded Diagram Table 1 3 LCD Assembly Exploded Diagram No Description 1 LCD Cover 2 LCD Hinge L LCD Hinge R 3 WLAN Antenna MAIN AUX 3 4 7 8 1 5 6 2 ...

Page 34: ...1 32 Exploded Diagrams 4 G sensor Board 5 eDP Cable 6 Microphone Board 7 Camera Module 8 LCD Module with Bezel No Description ...

Page 35: ...Software Update 1 33 Software Update Updating your software 0 Please visit http go acer com id 17883 ...

Page 36: ...ion 2 Restart your PC to get to the sign in screen then press and hold down the Shift key while you select the Power icon Restart in the lower right corner of the screen After your computer restarts select Troubleshoot Reset this PC Option 3 Select Start then press and hold down the Shift key while you select the Power icon Restart to restart your computer into Recovery Mode After your computer re...

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