Nokia 3210 Repair Manual page 47

Customer Care Europe & Africa
Technical Services Training Group
TX FAILURE
GSM900 faulty
Check 116MHz
at N700, pin 44/45
Check 116MHz
at N600, pin 25/26
Check UHF 2036MHz
at N600, pin 4
Check
PA_GSM 902MHz at
N600, pin 22
Check
PA_GSM 902MHz
at N500, pin1
Check PA_GSM at
N500, pin 4
Check PA_GSM at L500,
Z503/Z500, X500/X501
Change Z504
Check/change:
a) N600 / b) N100
if not ok, MAD faulty
© 2001 Nokia Mobile Phones
Check 13MHz RFCLK 900mVpp
at N700, pin15.
Change if faulty.
Check VHF 464MHz
OK
at N700, pin 8
nOK
Change N700
OK
Check Z702
OK
nOK Check/change G700
OK
nOK Change N600
OK
Check Z601 (in/out)
nOK
OK
Check Z603,N502,Z502
nOK
OK
Check at N500/501, pin 2:
CTL_GSM=0.7-1.7Vpp
CTL_PCN=0.12-0.2Vpp
( squarewave, depends on Power-level )
Check VC at Z504
OK
0.9Vpp squarewave
Check at N503:
nOK
a) pin 2 BAND_SEL (lowlevel)
b) pin 1 VTX 2.8V pulsed
CONFIDENTIAL
NSE-8/9
Date: 05.09.2001
OK
nOK
OK
nOK
nOK
nOK
nOK
nOK
nOK
OK
nOK
Checked by:
CC Training Group
Repairhints
Version 5.0 Approved
GSM1800 faulty
Change G702
Check 232MHz at
N700, pin 46
OK
Check 232MHz at
N600, pin 35/37
OK
Check UHF 1979.8MHz
at N600, pin 4
OK
Check PA_PCN
1747.8MHz at N600,
pin 40
OK
Check PA_PCN
at N501, pin 1
OK
Check PA_PCN
at N501, pin 4
OK
Check PA_PCN
at Z504 (Ant. conn.)
nOK
Check/change L503
OKI
Check PA_PCN
at Z503, X500/501
Approved by:
Technical Services
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