Audio Faults - Nokia NSB-6 Series Disassembly & Troubleshooting Instructions

NSB–6
Disassembly & Troubleshooting Instructions

Audio faults

earpiece doesn't work
and there isn't any
mechanical problem
Check L272 and L271
Change the COBBA N250
Microphone doesn't work
and there isn't any
mechanical problem
Check the voltage in resistor
R267 RF side head. Voltage should be
about 2.1V
OK
Check the R268, C263, C276
and C262
Page 32
OK
OK
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Check R266, C268, L200 and V250
Change the COBBA N250
Issue 1 06/2000