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3.7
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 15 and
24 dBm
?
Yes
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
?
Yes
Transmit power
is OK.
6880401P59-O
With the unit in the Open Loop Power Test,
No
measure the RF level at the JANUS TX input (which is
the input to the TX BALUN) (L503 at the TX_IN side)
Perform RF JANUS
No
SLEDGEHAMMER Test.
TROUBLESHOOTING: TX Power Test
Is
No
power
> -26 dBm
?
Yes
Module Test.
Perform the
83
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