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Insert the correct Software
and Flex File then make reset
572#
If still NOT Work correctly
Check U900 and U800
NOTE1 or faulty.
It is only Ringer problem.
Put PCB in test mode and digit
432#, 1559#, 4707#
Is present on Pins
5/6 of Q903 about 3V
?
NO
Check the presence of B+ on Pin4
of Q903.
If OK check Q903,VR900/1
NOTE1 or Faulty.
Check If it is an
intermittent problem.
mercoledì, gennaio 24, 2001
GPRS Tri Band T260 Level 3 procedure
START
YES
Is Ringer and
Loudspeaker
Insert the correct Software
YES
and Flex File then make
reset 572#
If still NOT Work
correctly continue.
YES
Is present on Pin
ALRT_OUT of Alert
terminal the Ring
signal ?
NOTE1 : check if any components mentioned are
correctly positioned , have not dry joint and aren't
not phisically damaged .
- MOTOROLA Level3 Authorized -
problem ?
NO
It is only internal Loudsp. problem.
A
on pg.16
Check for
intermittent
problem.
NO
Rev.1
T260:
NO ALERT/LOUDSPEAKER
YES
Is present the
"accessory Setup"
on customer menu
?
NO
Put PCB in test mode and
digit 481000#, 434#, 4707#
YES
Are present on
Terminal SPKR+
and SPKR- the 1Khz
( about 0,5 V P/P,
1,5V offset ) ?
Check U900,CR911 and the
discrete components from
U900 to Loudspeaker
terminals (C969, etc.)
NOTE1 or Faulty
Check U900 and VR901
NOTE1 or Faulty.
NO
pag.15
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