User Guide

NSW-4
Disassembly & Troubleshooting
PAMS Technical Documentation
Page 28
Issue 1 Final
Draft 08/00
Nokia Mobile Phones Ltd.
TDMA800 continued
Check INP_rxif level at
R763
Change Filters Z750
&Z751
Check OUTP_rxif level
at R798
Change EROTUS
Note !
Check all discrete components and
supply voltages of EROTUS.
Check also AGC1 line.
Check COBBA_D &
start BB
troubleshooting
Change capacitors
C750 & C751
Check input of
EROTUS IF amplifier
at R744
Change Z741
Note!
Note!
Check all components around filters
Check all components around filter
N
Y
N
Y
N
Y