Acer Chromebook R756T Lifecycle Extension Manual

Hide thumbs Also See for Chromebook R756T:

User manual (16 pages)

Table Of Contents

Quick Links

Download this manual

Acer Chromebook

R756T/R756TN

LIFECYCLE EXTENSION

GUIDE

Table of Contents

Need help?

Do you have a question about the Chromebook R756T and is the answer not in the manual?

Questions and answers

Summary of Contents for Acer Chromebook R756T

Page 1 Acer Chromebook R756T/R756TN LIFECYCLE EXTENSION GUIDE...
Page 2: Table Of Contents
Self-Repair ..........1-1 Disassembly Procedures .
Page 3: Self-Repair
NOTE: NOTE: In the event of not being able to create a Factory Default recovery media, it is possible to obtain a copy of the recovery media through Acer Customer Service (http://www.acer.com/support) This is not a free of charge service.
Page 4: Disassembly Procedures
Disassembly Procedures Safety Guidelines This chapter contains step by step procedures on how to remove and de-install components from the computer. Use the following safety guidelines to ensure your personal safety. Each procedure included in this chapter assumes that you are preparing your computer for recycling and disposal.
Page 5 WEEE Annex VII Component These components are classified as requiring selective treatment: Battery pack  Touchpad module  USB board  Mainboard  LCD panel  Disassembly Procedures...
Page 6 Pre-disassembly Instructions Do the following prior to starting any maintenance procedures: 1. Place 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 from the USB-C port (B) as shown in Figure 1-2.
Page 7: Base Cover Removal
Base Cover Removal 1. Remove eleven (11) screws from the base cover. Then remove another two (2) screws securing the keyboard (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).
Page 8 3. Grasp and remove the base cover from the system (Figure 1-5). Figure 1-5. Base Cover Removal Disassembly Procedures...
Page 9: Battery Pack Removal
Battery Pack Removal Prerequisite: Base Cover Removal 1. Find the battery pack (A) on the top assembly (Figure 1-6). 2. Detach the acetate tape (B) securing the battery cable to the mainboard connector (Figure 1-6). 3. Detach the transparent mylar (C) securing the battery cable (Figure 1-6).
Page 10 4. Disconnect the battery cable from the mainboard connector (D) (Figure 1-7). Figure 1-7. Battery Pack Removal 5. Lift to release the battery pack from the guide pins (E) (Figure 1-8). Then remove the battery pack from the top assembly. WEEE Annex VII Component: Battery Pack Figure 1-8.
Page 11: Touchpad Module Removal
Touchpad Module Removal Prerequisite: Battery Pack Removal 1. Detach the adhesive tape (A) securing the touchpad FFC on the touchpad module. (Figure 1-9). Figure 1-9. Touchpad Module Removal 2. Disconnect the touchpad FFC (B) from the touchpad module and mainboard connectors.
Page 12 CAUTION: Touchpad FFC (Flexible Flat Circuit) can be damaged if removed while the mainboard and touchpad module connectors are locked. 3. Detach the conductive tape (C) from the touchpad module (Figure 1-11). Figure 1-11. Touchpad Module Removal 4. Remove three (3) screws securing the touchpad module (Figure 1-12).
Page 13 5. Using the screwdriver, push the guide pins (D) firmly to release them from the top assembly (Figure 1-13). 6. Slide the touchpad module slightly to disengage it from the bottom latches (E), and then remove the touchpad module (F) from the top assembly (Figure 1-13).
Page 14: Keyboard Removal
Keyboard Removal Prerequisite: Disconnect the power source, and then enter the Shipping Mode by the following SOP if the Refresh and Power keys remain work. 1. Hold the Refresh and Power keys at the same time. 2. While holding these keys, remove the power cable from the device and then release the keys.
Page 15 3. Carefully lift the bottom part of the keyboard to release it from the top assembly (Figure 1-15). The upper latches will automatically disengage as you release the keyboard. Figure 1-15. Keyboard Removal 4. Detach the tape (B) securing the keyboard FPC (Figure 1-16).
Page 16 5. Disconnect the keyboard FPC from the mainboard connector (C) (Figure 1-17). Then remove the keyboard. Figure 1-17. Keyboard Removal CAUTION: Keyboard FPC (Flexible Printed Circuit) can be damaged if removed while the mainboard connector is locked. 1-14 Disassembly Procedures...
Page 17: Usb Board Removal
USB Board Removal Prerequisite: Battery Pack Removal 1. Remove three (3) screws (A) securing the right LCD hinge (Figure 1-18). Figure 1-18. USB Board Removal 2. Lift the top assembly until it is fully open (Figure 1-19). Figure 1-19. USB Board Removal Disassembly Procedures 1-15...
Page 18 3. Close the top assembly and lift the right LCD hinge until it is slightly extended (Figure 1-20). Figure 1-20. USB Board Removal 4. Disconnect the USB board L FFC (B) from the USB board and mainboard connectors (Figure 1-21). Then remove it from the top assembly. Figure 1-21.
Page 19 5. Disconnect the USB board H FFC (C) from the USB board and mainboard connectors (Figure 1-22). Then remove it from the top assembly. 6. Remove three (3) screws (D) securing the USB board and I/O bracket (Figure 1-22). Figure 1-22. USB Board Removal CAUTION: USB board H FFC (Flexible Flat Circuit) can be damaged if removed while the USB board and mainboard connectors are locked.
Page 20 8. Release the USB board (G) from the I/O port slots and guide pins (H) on the top assembly (Figure 1-24). Then remove the USB board. WEEE Annex VII Component: USB Board Figure 1-24. USB Board Removal 1-18 Disassembly Procedures...
Page 21: Lcd Module Removal
LCD Module Removal Prerequisite: Battery Pack Removal 1. Disconnect the WLAN antennas cables from the WLAN module connectors (A). Then unroute the WLAN antennas cables from the cable guides (Figure 1-25). Figure 1-25. LCD Module Removal Disassembly Procedures 1-19...
Page 22 2. Detach the mylar (B) securing the G-sensor cable. Then disconnect the cable from the mainboard connector (C) (Figure 1-26). 3. Disconnect the eDP cable from the mainboard connector (D). Then unroute the cable from the cable guides (Figure 1-26). Figure 1-26.
Page 23 5. Lift to slightly open the top assembly (Figure 1-28). Figure 1-28. LCD Module Removal 6. By holding the I/O brackets, continue to fully open the top assembly (Figure 1-29). Figure 1-29. LCD Module Removal Disassembly Procedures 1-21...
Page 24 7. Remove the LCD module (E) away from the top assembly (Figure 1-30). CAUTION: Make sure all cables and antennas are moved away from the device to avoid damage during removal. Figure 1-30. LCD Module Removal 1-22 Disassembly Procedures...
Page 25: Mainboard Removal
Mainboard Removal Prerequisite: Keyboard Removal 1. Remove three (3) screws (A) securing the left LCD hinge (Figure 1-31). Figure 1-31. Mainboard Removal 2. Open the top assembly (Figure 1-32). Figure 1-32. Mainboard Removal Disassembly Procedures 1-23...
Page 26 3. Lift the left LCD hinge until it is slightly extended (Figure 1-33). Figure 1-33. Mainboard Removal 4. Disconnect the WLAN antenna cables from the WLAN module connectors (B) (Figure 1-34). 5. Disconnect the microphone cable from the mainboard connector (C) (Figure 1-34).
Page 27 13. Disconnect the USB board L FFC from the mainboard connector (K) (Figure 1-34). CAUTION: Touchpad FFC (Flexible Flat Circuit) and USB board L FFC, can be damaged if removed while the mainboard connectors are locked. Figure 1-34. Mainboard Removal 14.
Page 28 16. Release the I/O bracket (N) from the I/O port slot and guide pins (O) on the top assembly (Figure 1-36). Then remove the I/O bracket. Figure 1-36. Mainboard Removal 17. Release the mainboard (P) from the I/O ports slots and guide pins (Q) on the top assembly (Figure 1-37).
Page 29 Figure 1-38. Mainboard IMPORTANT: Circuit boards >10 cm² have been highlighted with a yellow rectangle as shown in Figure 1-38. Remove the circuit board and follow local regulations for disposal. Disassembly Procedures 1-27...
Page 30: Lcd Panel Removal
LCD Panel Removal Prerequisite: LCD Module Removal 1. Pry the LCD panel from the upper side to release the latches (Figure 1-39). Figure 1-39. LCD Panel Removal 2. Continue prying the latches on the right side of the LCD panel as shown in Figure 1-40.
Page 31 3. Pry the latches on the left side of the LCD panel as shown in Figure 1-41. Figure 1-41. LCD Panel Removal 4. Continue prying the remaining latches on the bottom side of the LCD panel as shown Figure 1-42. Figure 1-42.
Page 32 5. Release the eDP cable (A) from the left hinge cap (Figure 1-43). Then remove the LCD panel (B). WEEE Annex VII Component: LCD Panel Figure 1-43. LCD Panel Removal 1-30 Disassembly Procedures...
Page 33: Top Assembly Removal
Top Assembly Removal Prerequisite: Ensure that the Touchpad Module, Speakers, USB Board, LCD Module, Mainboard, and Top Camera Module have been disassembled prior removing the top assembly. Figure 1-44. Top Assembly Disassembly Procedures 1-31...
Page 34: Electronic Boards Diagrams
Electronic Boards Diagrams Figure 1-45. System Block Diagram 1-32 Electronic Boards Diagrams...
Page 35: Troubleshooting
Troubleshooting This chapter shows you how to deal with common system problems. Read it before calling a technician if a problem occurs. Solutions to more serious problems require opening up the computer. Do not attempt to open the computer yourself; contact your dealer or authorized service center for assistance.
Page 36: What You Need To Do
What you need to do Step 1: Try less invasive steps If you can sign in to your Chromebook, try these steps first: 1. Turn your Chromebook off, then back on again. 2. If your Chromebook still has an error, reset to factory settings.
Page 37 Chromebook tablet: Press and hold the Volume Up, Volume Down, and Power  buttons for at least 10 seconds, then release them. 3. You'll see one of these messages: "Chrome OS is missing or damaged. Please insert a recovery USB stick or SD card.". ...
Page 38 "Please remove all connected devices and start recovery". First, remove anything that's connected to your Chromebook, such as a mouse, SD card or external hard drive. Then follow the steps to enter recovery mode. "The device you inserted does not contain Chrome OS". First, make sure that you inserted the USB drive or SD card that you used to create recovery media.
Page 39: 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. FRU (Field Replaceable Unit) List 1-37...
Page 40: Exploded Diagrams
Exploded Diagrams Figure 1-46. System Exploded Diagram 1-38 Exploded Diagrams...
Page 41 Table 1-1. System Exploded Diagram Description Top Assembly Keyboard Top Camera Module Holder Microphone Board LED Board Microphone Cable LED Cable Top Camera Module Mainboard USB Board Touchpad FFC I/O Bracket (mainboard) USB Board H FFC I/O Bracket (USB board) USB Board L FFC Battery Pack Conductive Tape...
Page 42 Figure 1-47. LCD Assembly Exploded Diagram Table 1-2. LCD Assembly Exploded Diagram Description LCD Cover eDP Cable G-Sensor Board Microphone Rubbers Camera Module LCD Hinge L LCD Hinge R WLAN Antenna (MAIN+AUX) 1-40 Exploded Diagrams...
Page 43 Table 1-2. LCD Assembly Exploded Diagram (Continued) Description LCD Panel Exploded Diagrams 1-41...
Page 44: Check For Updates Yourself
Check for updates yourself 1. Turn on your Chromebook. 2. Connect your Chromebook to Wi-Fi. 3. At the bottom right, select the time. 4. Select Settings 5. At the bottom of the left panel, select About Chrome OS. 6. Under "Google Chrome OS", you'll find which version of the Chrome operating system your Chromebook uses.
Page 45: Factory Reset Your Chromebook
Factory reset your Chromebook 1. Sign out of your Chromebook. 2. Press and hold Ctrl + Alt + Shift + r. 3. Select Restart. 4. In the box that appears, select Powerwash > Continue. 5. Follow the steps that appear and sign in with your Google Account. NOTE: NOTE: The account you sign in with after you reset your Chromebook will be the owner...

This manual is also suitable for:

Chromebook r756tn