Nokia 7110 - Phone Book and Menu Navigation

CONFIDENTIAL 20 (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
Faulty spectrum – COBBA faulty, COBBA and CCONT broken soldering.
1) 3)
2) 4)
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.