Motorola Astro XTL 1500 - Figure 5-47. RFPA Power Control-No K9.1 V (700-800 Mhz); RFPA Power Control-No K9.1 V (700-800 Mhz)

June 15, 2005 6815854H01-A
5-60 Troubleshooting Charts: Flowcharts
5.6.49 RFPA Power Control—No K9.1V (700–800 MHz)
Figure 5-47. RFPA Power Control—No K9.1V (700–800 MHz)
Read General
Notes before
proceeding. Read
specific notes as
indicated
START
Is 9.3V present at
Q0952, pin 5?
Yes
Is Q0952, pin 4
< 0.5V when mic
button is depressed?
Repair/replace
Q0952
Yes
No
Is K9.1V_EN > 2.0V
when mic button is
depressed?
No
Repair/replace
Q0951
Is A+ present at U0951,
pin 4?
No
Yes
See GPIO in
CONTROLLER
section
Repair/replace
U0951
Yes
Connect battery
cable to supply
13.6V
No
MAEPF-27926-O