Motorola ASTRO Digital Saber Service Manual page 97

No Display.
Verify display model
with RSS.
Yes
Wrong model?
Fix with RSS.
No
Verify signal activity on
J601-2 and J601-1
during mode select
changes.
No
Replace U204. Activity?
Yes
Verify J601
connections and bias.
No
Repair J601. J601 checks?
Yes
Replace display
module.
MAEPF-24403-A
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 µC.
Chart 25 . No Display
10-15