Nokia 3210 Repair Manual page 37

Customer Care Europe & Africa
Technical Services Training Group
X100, SIMcard reader
Check soldering
Check contacts - change connector if bent
N100, CCONT
Check SIMDATA (Pin 4 SIMreader), SIMClock 3.25MHz (Pin 3 SIMreader), SIMReset (Pin 2 SIMreader) and
VSIM 3V/5VDC (Pin 1/5 SIMreader) depends on used SIMcard
See diagramss on page# 36.
V112 faulty
Change component if SIMDATA, SIMClock, SIMReset or VSIM is short circuited to GND
Check R115, R116, C137, C138, C139, C140, C141 for short circuits or capacity loss
CCONT N100 faulty
Refer to "Insert SIM Card" procedure – see Flowchart on page# 37.
COBBA N200 faulty
Change COBBA if all SIM LOCK entries and SIMcard signals from CCONT are ok
Swap the phone if component is underfilled!
Note:
Rewrite SIMlock and IMEI entries with Nokia Security Password and make a SW-update or send these phones
to an authorized NOKIA Service Center.
"Insert Simcard" failure
Insert SIMcard
the phone does not
register the SIMcard
Check soldering and
contacts of X100,
SIM-reader
OK
Check SIM-data,-clock,-reset and
VSIM for shorts to GND
OK
Change N100 CCONT
© 2001 Nokia Mobile Phones
CONFIDENTIAL
NSE-8/9
Date: 05.09.2001
Resolder X100 or change if any
nOK
contact spring is bent
Change V112 if SIM -DATA,
-CLOCK, -RESET or VSIM is short
nOK
circuited to ground
OK
Check R115,R116,
C137,C138,C139,
C140, C141
Checked by:
CC Training Group
Repairhints
Version 5.0 Approved
Swap the phone whether
any contact pad of
nOK
SIM-reader is torn off
Approved by:
Technical Services
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