Sony Ericsson W890 Troubleshooting Manual page 117

Figure 20 Fixate the key flex cable and SIM/M2 flex module card by tightening
the screw and flat nut.
Figure 21 The distances from the edge of the key flex cable to the edge of the
SIM/M2 flex module shall be horizontally 1,5 mm respectively vertically 10,5 mm.
APPENDIX Setup & Maintenance Instructions for W890 TRS Fixture
4. MAINTENANCE
The maintenance of the fixture is intended to keep the fixture in the best possible
condition. Preventive maintenance is important to reduce the numbers of
emergency repairs and other measures that reduce reliability and usability.
The daily checkpoints shall be performed at the beginning of every day shift. Only
authorized personnel shall do this check.
The weekly checkpoints shall be performed once a week.
Only authorized personnel shall do this check.
4.1 MAINTENANCE SCHEDULE
Action
Camera Flex Module
Keyboard Main
Display 2,02A-SI TFT
SIM/M2 Flex Module
RF cable
Flex cable
Guide pins
Hinge
Mechanical functions
Parts not working
Note! "After X operation" is just recommendations and can be changed.
Daily Weekly After X operation If necessary
Check Replace
Replace
Replace
Replace
Check Replace
Replace after 100
Check Replace
oprations
Check Replace
Check Replace
Check
Check/Replace
SEMC Troubleshooting Manual
W890
Note
Authorized
personnel only
1217-3942 rev. 1 117 (119)