Motorola ASTRO Digital XTL 5000 Detailed Service Manual page 222

5-42
5.6.28 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and
450–520 MHz)—Part 3 of 5
Figure 5-32. RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–520 MHz)—
May 25, 2005
B
Defective parts in
Yes
antenna switch?
(Note 15)
No
Defective parts in
Yes
harmonic filter?
(Note 16)
No
Defective parts in
Yes
power detector?
(Note 17)
No
Continuity check
Yes
fails from R5713 and
the antenna connector
external coax?
No
Go to the
Controller GPIO
Section
Part 3 of 5
Troubleshooting Charts: Flowcharts
Repair/replace
defective parts
Repair/replace
defective parts
Repair/replace
defective parts
Repair/replace
antenna connector
6881096C74-B