Display Failure (Ntn9564) - Motorola ASTRO XTS 5000 Detailed Service Manual

Troubleshooting Charts: Display Failure (NTN9564)
5.6 Display Failure (NTN9564)—Page 1
NOTE: The NTN9564 VOCON board is compatible only with the 7285726C01 display module.
6881094C31-C
No Display
Replace
LCD Display
Yes
Problem
Resolved?
No
Check DC on
J301, pin 17
Yes
1.8<V<1.95V?
No
Check integrity
of B102
No
B102 OK?
Yes
Verify VSW2
(1.85V) using
DC Supply Failure
flowchart
End
1
Replace
B102
MAEPF-27404-O
5-11
October 14, 2003