Motorola APX 5000 Service Manual page 125

Troubleshooting Charts: DC Supply Failure
5.4.5 DC Supply 1.8 Volt Failure
Remove shield SH2B
Check voltage Pin B2 of
U202 Via C210
Voltage 1.8V
Check for open in the
branch, to the section you
are troubleshooting.
No
Check Voltage Pin A2 of
Yes
Refer to the RF Board.
DC Supply 3 Volt failure
U202 Via C209
Yes
Voltage 3V
No
5-19
Replace U202