Nokia 7110 Manual page 20

Service & Analysis Center Europe
SACE AMS Training Group
Faulty spectrum – COBBA faulty, COBBA and CCONT broken soldering.
1)
2)
Pic1) Normal Spectrum
Pic2) Spectrum with broken soldering under CCONT
(No PCN_low reference settings in RSSI alignment).
Spectrum turnes to pic1 if N100 is pushed carefully with some nonmetaled item. This fault can
also be measured at N700 pin 15.(13MHz RFCLK).
Pic3) Spectrum with faulty COBBA, RSSI-alignment is not possible.
Pic4) Spectrum with broken soldering under COBBA, RSSI- alignment is not possible. Spectrum turnes
To pic 1 if N200 is pushed carefully with some nonmetallic item.
Repairhints_nse5_002508
CONFIDENTIAL
NSE-5
Repairhints
30.07.2000
3)
4)
Checked by:
AMS TRAINING GROUP
20 (30)
Version 1.0 Approved
Approved by:
SACE