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S I E M E N S P T E L T D
CX65 Level 2 Service Manual
Incoming check and check after assembling:
!! Verify the customers fault description!!
After a successful verification pass the defective item to the responsible
troubleshooting group.
If the fault description can not be verified, perform additional tests to save time
and to improve repair quality.
- Switch on the device and enter PIN code if necessary unblock phone.
- Check the function of all keys including side keys.
- Check the display for error in line and row, and for illumination.
- Check the ringer/loudspeaker acoustics by individual validation.
- Perform a GSM Test as described on page 34.
Check the storage capability:
Check internal resistance and capacity of the battery.
Check battery charging capability of the mobile phone.
Check charging capability of the power supply.
Check current consumption of the mobile phone in different mode.
Visual inspection:
Check the entire board for liquid damages.
Check the entire board for electrical damages.
Check the housing of the mobile phone for damages.
SW update:
Carry out a software update and data reset according to the master tables and
operator/customer requirements.
Repairs:
The disassembling as well as the assembling of a mobile phone has to be
carried out by considering the rules mentioned in the dedicated manuals. If
special equipment is required the service partner has to use it and to ensure
the correct function of the tools.
If components and especially soldered components have to be replaced all
rules mentioned in dedicated manuals or additional information e.g. service
information have to be considered
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