This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER Chromebook C330/S330 Hardware Maintenance Manual...
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. Chromebook C330/S330— CRU list Model: Lenovo Chromebook C330 (MT: 81HY) Model: Lenovo Chromebook C330 (MT: 81JW) Type...
Before replacing any FRUs, use the repair shim to diagnose and identify problems. Note: You do not need to use the repair shim to diagnose problems before replacing CRUs. For the list of CRUs for your computer, refer to “Chromebook C330/S330— CRU list” on page 22. Create a repair shim Step 1.
8 digits “1S”, 2 digits The MTM and SN can be found on the label attaching to the bottom cover. Step 5. Follow the instructions on the screen to start the Final Function Test (FFT). Chromebook C330/S330 Hardware Maintenance Manual...
Step 6. If the factory test items reveal a defective component, turn off the computer, disconnect the ac power adapter, and then replace the defective component. Step 7. Turn on the computer.The computer should starts to the factory-test-image environment again. It is recommended that you run Final Function Test (FFT) to ensure that new components function correctly.
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For example, if you install a different model of the wireless LAN card, which is not the required configuration, the HWID will not match. HWID is checked by using the repair shim. Chromebook C330/S330 Hardware Maintenance Manual...
Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at https://support.lenovo.com...
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FRUs LCD unit Upper case (with keyboard) Power board with cable Speakers Lower case assembly Built-in battery pack System board Power cord ac power adapter Scew/tape pack Chromebook C330/S330 Hardware Maintenance Manual...
Hinge assembly LCD cover with antennas LVDS cable LCD strip cover LCD brackets (for FHD models) Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to https://support.lenovo.com/partslookup Chromebook C330/S330 Hardware Maintenance Manual...
Ensure that you use the correct screwdriver to remove the screws. Table 3. Screw specifications Number Quantity Specifications M2.5 × 7 mm Remove the screws for S330 Ensure that you use the correct screwdriver to remove the screws. Chromebook C330/S330 Hardware Maintenance Manual...
Remove the built-in battery pack Make sure the following FRUs (or CRUs) have been removed. “Remove the upper case assembly” on page 32 Chromebook C330/S330 Hardware Maintenance Manual...
Table 5. Screw specifications Number Quantity Specifications Color M2 × 3 mm Silver Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable itself. Remove the speakers Make sure the following FRUs (CRUs) have been removed. “Remove the upper case assembly”...
Note: The replacement power board includes a cable for connecting with the system board. Remove the system board Make sure the following FRUs (CRUs) have been removed: “Remove the upper case assembly” on page 32 “Remove the LCD module” on page 38 Chromebook C330/S330 Hardware Maintenance Manual...
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Table 8. Screw specifications — removing the LCD module Number Quantity Specifications M2 ×3 mm Chapter 5 Removing FRUs...
LCD FRUs for Chromebook C330 The LCD module as a whole is not a FRU. Instead, it contains FRUs as its components. Before disassembling the LCD module, make sure it has been detached from the base cover. Refer to “Remove the LCD module”...
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Table 10. Screw specifications — removing the front hinge cover Number Quantity Specifications M2 × 7 mm Remove the back hinge cover Chapter 5 Removing FRUs...
Table 11. Screw specifications — removing the back hinge cover Number Quantity Specifications M2 × 5 mm Remove the LCD strip cover Chromebook C330/S330 Hardware Maintenance Manual...
Remove the LCD panel, LVDS cable, and camera module Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD strip cover” on page 40 “Remove the LCD module” on page 38 Table 12. Screw specifications — removing the LCD panel Number Quantity Specifications...
Remove the hinges Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 38 “Remove the upper case assembly” on page 32 “Remove the hinge covers ” on page 38 Chapter 5 Removing FRUs...
“Remove the upper case assembly” on page 32 Table 14. Screw specifications — removing the LCD module Number Quantity Specifications M2.5 × 4.5 mm Remove the hinge cover Make sure the following FRUs (CRUs) have been removed: Chromebook C330/S330 Hardware Maintenance Manual...
“Remove the upper case assembly” on page 32 “Remove the LCD module” on page 38 Remove the LCD bezel frame Pry the strip cover at the illustrated position and remove the strip cover. Remove the LCD panel Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD strip cover”...
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Table 15. Screw specifications — removing the LCD panel Number Quantity Specifications M2 × 3 mm Chromebook C330/S330 Hardware Maintenance Manual...
For FHD models, there is a pair of brackets used to fix the LCD panel to the LCD rear cover. Remove the brackets. Remove the LVDS cable and camera module Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD strip cover”...
“Remove the LCD strip cover” on page 40 “Remove the LCD panel, LVDS cable, and camera module” on page 41 “Remove the upper case assembly” on page 32 “Remove the hinge covers ” on page 38 Chromebook C330/S330 Hardware Maintenance Manual...
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Table 16. Screw specifications — removing the hinges and the WLAN antennas Number Quantity Specifications M2.5 × 2.5 mm Chapter 5 Removing FRUs...