Advertisement
START
Rephasing the phone
using Gate22.
Is It OFF frequency ?
Check the presence and the correct
VREF on C919 from U900,
RF_V1 on C217 from Q201
RF_V2 on C215 from Q202.
In test mode digit 982#,
110062#, 1215#, 41#.
Is there noise on continius
TX frequency
Is correct the 13Mhz
on C225 ?
Is correct the 26Mhz
Check U200 NOTE1 or Faulty.
mercoledì, gennaio 24, 2001
GPRS Tri Band T260 Level 3 procedure
For most of Signals Use a
Test PCB as reference.
YES
value of:
NO
YES
on R244 ?
YES
- MOTOROLA Level3 Authorized -
NO
END
YES
NO
NO
NOTE1 : check if any components mentioned are
correctly positioned , have not dry joint and aren't
not phisically damaged .
Rev.1
T260:
FREQUENCY
ERROR
Check U350, U200
NOTE1 or Faulty.
NO
Is there noise on
C225 (13Mhz) ?
YES
Check CR248, relative
components and U200
NOTE1 or Faulty.
Check Y200 then U200
NOTE1 or Faulty.
pag.21
Advertisement
