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5
Disassembly of C72
ESD concept; the internal circuits are more susceptible to ESD because of the use of
Note:
exchangeable housing. The construction of the internal block is designed, in the best
possible way, to protect the circuit against sparks.
The keypad must be completely closed to prevent any occurrence of an ESD disruptive
discharge.
The SIM contacts may be open, thus reachable for ESD contact discharge. This could lead
to damage or destruction of the E-Gold pins.
It is a requirement for the service personnel to observe ESD protection rules while
performing service on the C72.
Step 1
Front view
Step 3
To remove the battery, lift the battery tab using your
thumb as shown.
Technical Do
cumentation
TD_Repair_L1-L3_C72_R1.0.pdf
Step 2
Step 4
Push the SIM card upwards as indicated by the arrow.
Company Confidential
2005©BenQ
Back View
Release 1.0
11/2005
Page 7 of 45
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