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CONFIDENTIAL
Service & Analysis Center Europe
Training Team
version 1.0 / 05.11.1999 Page 17 of 37
Contact Service-CCONT interface fail
Check soldering or change
R413, S416
Check if PWRON 3,2V
drops to 0V on R413 during
pressing the power button
Check the 32.768KHz
square wave on C149
Check if PURX goes up to
2,8V DC on R303
Check if VCXOPWR goes
up to 2,8V DCon J340
Check if VXO goes up to
2,8V DC on C102
change CCONT
Change CCONT
Check if VBB goes
up to 2,8V DC on C117
Check if VREF goes up to
1,5V DC on C123
Contact Service
Check via WINTESLA / Testing / Selftest
which kind of selftest is fail
CCONT interface failed
Change or check soldering
of B100, C147, C148, C153,
N100
swap the phone because
MAD or PCB should be the
reason
Change or check soldering
of G701, V702...
Check if RFC 13MHz at
C301 (2,8Vpp)
change CCONT
change CCONT
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No