NSB-7
Disassembly & Troubleshooting
PAMS Technical Documentation
Page 32
ã
Nokia Mobile Phones Ltd.
Issue 1 06/00
Charging fault
Headset earpiece doesn’t
work and there isn’t any
mechanical problem
Check R257, R256, R270, L303, L304
C303, C304, C296, C297, R262 and R263
OK
Change the COBBA N250
Display “not charging”
Check charge voltage with WinTesla Check F101, V100, R104, L104
and R103
OK
Check charge current with WinTesla
IF NOT OK
Check V101 and R131
OK
Change the CHAPS N101