Part 3 Of 5; Figure 5-48. Rf Power Amplifier (Rfpa)-No Or Low Tx Power Output (700-800 Mhz)-Part 3 Of 5; Rf Power Amplifier (Rfpa)—No Or Low Tx Power Output (700–800 Mhz Part 3 Of 5 - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

5-60
5.6.46 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—

Part 3 of 5

Figure 5-48. RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—Part 3 of 5
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 R6740 and
the antenna connector antenna connector
external coax?
No
Go to the
Controller GPIO
Section
Troubleshooting Charts: Flowcharts
Repair/replace
defective parts
Repair/replace
defective parts
Repair/replace
defective parts
Repair/replace
MAEPF-27931-O
6881096C74-B