Motorola ASTRO XTS 3000 - Chart 23. Radio Power-up Fail

10-25
10
Chart 23. Radio Power-up Fail
Replace U701.
Synopsis
This chart relates to a failure
in the display. The display is
considered not field repairable
and must be replaced as a uint.
Basic Failure modes are as
follows:
1) Non-display model radio.
2) Bad connection.
3) Defective C.
No Display.
Verify display model
with RSS.
Verify signal activity on
P301, pins 1-3
during mode select
changes.
Activity?
Verify P301
connections and bias.
Yes
Yes
No
No
Wrong model?
Fix with RSS.
Yes
No
P301 checks?
Replace
display clip.
MAEPF-26037-O
Replace display
module.