Nokia 3210 Repair Manual page 29

Customer Care Europe & Africa
Technical Services Training Group
CONTACT SERVICE - COBBA PARALLEL / SERIAL BUS FAILED
COBBA parallel/
serial bus failed
Check COBBACLK 13MHz
3.6Vpp at J201
OK
Check VBB 2.8V at C117
OK
Check VCOBBA 2.8V DC at C248
OK
Check COBBA reset impulse
during initialization routine
at J343
OK
Change the COBBA
© 2001 Nokia Mobile Phones
CONFIDENTIAL
NSE-8/9
Date: 05.09.2001
Check 13MHz RFC
nOK
at C301 900mVpp
OK
Swap the phone, as
MAD or PCB might
be the reason
Check soldering or
nOK
change N100, C117
Change or check
soldering of N100,
nOK
C248
Swap the phone, as
not OK
MAD or PCB might
be the reason
Checked by:
CC Training Group
29 (48)
Repairhints
Version 5.0 Approved
Check soldering or
nOK
change G701, V702
Approved by:
Technical Services