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Is present the
VAG voltage on R920
(close U900/C939)
about 1.4Volt ?
Insert HEADSET put the phone in
test mode.
Digit 430# (audio path)
36# (loopback audio)
4707# (audio level)
Is there on L500
(close J504)
about 1Volt ?
NO
Check J504, L500 and relative
components NOTE1 or Faulty.
NOTE1 : check if any components mentioned are
correctly positioned , have not dry joint and aren't
not phisically damaged .
mercoledì, gennaio 24, 2001
GPRS Tri Band T260 Level 3 procedure
NO
YES
YES
- MOTOROLA Level3 Authorized -
Check U900
NOTE1 or Faulty
Without Headset Is
present on R977
(close U800) 2.7Volt
?
YES
Insert the Headset
Is now the voltage
about 0,5Volt ?
NO
Check J504 NOTE1
or Faulty
Rev.1
T260:
NO MICROPHONE
USING HEADSET
NO
Check
J504,R976,VR902
Check discrete
components between
J504 and GcapII
NOTE1 or Faulty
NO
Is there on C927
YES
and
R928 connection
(close U900) the
MIC Signal ?
YES
Check U900 and
U800 NOTE1 or
Faulty
pag.17
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