A SERVICE OF

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48 Chapter 3
t LED board cable (LEDB1)
2. Turn the unit over to the base side.
3. Remove the lower case screws securing the upper case.
4. Turn the unit over again and remove the single top upper case screw.
Step Type Quantity Color Torque
3 M2.5 x L4 BZN+NYLOK 11 Black 3 kgf-cm +/-15%
Step Type Quantity Color Torque
4 M2.5 x L4 BZN+NYLOK 1 Silver 3 kgf-cm +/-15%
Acer TM 4520 SG.book Page 48 Friday, June 22, 2007 5:43 PM