Motorola i897 - TX Power Test

TROUBLESHOOTING: TX Power Test
3.7 TX Power Test
Use this test to check the transmit power circuitry.
With the unit in the Open Loop Power Test,
measure the RF level at the JANUS TX input (which is
the input to the TX BALUN) (L503 at the TX_IN side)
Do the
1.Set
following:
the unit to the TX
Power Tune Test.
2.Measure the RF level at
the antenna port.
Transmit power
is OK.
Is the
power level
between 15 and
24 dBm
?
Yes
Yes
No
Yes
No
Perform the
SLEDGEHAMMER Test.
No
Is
power
> -26 dBm
?
Perform RF JANUS
Module Test.
Set the unit to the Open
LoopPower Test at
813.5125 MHz or
898.51875 MHz.
Is
power
between 27
and 28.5 dBm
?
6880401P59-O
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