Tx Rf - Motorola ASTRO XTSTM 4000 Detailed Service Manual

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5.13 TX RF–Page 1
No or low
TX power
Use a spectrum analyzer
and high-impedance RF
probe. Measure TXRF
at C101
Frequency
OK?
Yes
Level
about
3 dBm?
Yes
Measure RF level
at Q107 pin 1
Level about
+20 dBm?
May 28, 2008
No Check
FGU
No Check
FGU
No
1
Yes
Troubleshooting Charts: TX RF
Measure RF Power at
RF Jack J1704
(via a Power Meter)
No
Power 2W?
Yes
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