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6.SiRF StarIII Fault Finding Chart
Put the GPS active
antenna into CON301
YES
Checnk
C382(2.85V±5%)
C383(1.5V±5%)
C389(2.85V±5%)
OK?
YES
Measure
C401.Pin1
OK?
YES
Measure
C406.Pin2
OK?
YES
Measure
T305
T306
OK?
YES
Re-Download GPS
Firmware
Do Power Part Fault
NO
Finding Chart
Replace X301 with a
new one
NO
Replace
NO
X300, C810, C818
with new ones
Replace U312
NO
with a new one
GTC
■
Service Manual
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