CONFIDENTIAL 18 (30)
NSE-5
Service & Analysis Center Europe Repairhints Version 1.0 Approved
SACE AMS Training Group 30.07.2000
Repairhints_nse5_002508 Checked by:
AMS TRAINING GROUP
Approved by:
SACE
NO SERVICE GSM 1800 First Check spectrum if it is only a RX failure. See spectrum charts.
REF: GSM 900: Ch60 (947 MHz) / GSM 1800: Ch700 (1842,8 MHz).
WINTESLA TUNING RX CALIBRATIONS
Failed to set low
reference
Check Z501 ( if bend or
defect )
Check PCN_LNA at
N600,pin34
Check 1842,8 MHz
in/out at Z602
Check UHF 2029,8MHz
at G700 and N600,pin3
Check IF 187MHz at
N600,pin45/46
Check 1/4 VHF 116 MHz
at N600,pin9
Check values at N700
and G702
Change Z501
Check PCN_LNA at
Z504, Z503, X501, X500
Change Z602
Change G700
Change N600
Check 71MHz IF at
C617/618
Check 71MHz IF at
N700,pin37/38
Check 13MHz IF at
Z701,in/out
Change Z700
Check 13MHz IF at
N700,pin23/24
Change COBBA
Change N700
Change N700
Change Z701
notOK
notOK
notOK
notOK
notOK
OK
notOK
notOK
notOK
notOK
notOK
OK
OK
OK
OK
Check 13 MHz RFCLK
Change G701
notOK
OK
OK
OK
OK
OK
OK