Tx Power Test - Motorola i425e Detailed Service Manual

3.8

TX Power Test

Use this test to check the transmit power circuitry.
Set the unit to the Open
LoopPower Test at
813.5125 MHz or
898.51875 MHz.
Is the
power level
between 11 and
24 dBm
?
Pass
Do the following:
1.Set the unit to the TX
Power Tune Test.
2.Measure the RF level at
the antenna port.
Is
power
between 27
and 28.5 dBm
?
Pass
Transmit power
is OK.
6880401P26-O
Fail
With the unit in the Open Loop Power Test,
measure the RF level at the PA input (C520)
Fail
SLEDGEHAMMER Test.
TROUBLESHOOTING: TX Power Test
Is
Fail
power
> -26 dBm
?
Pass
Perform RF PA
Module Test.
Perform the
79