Motorola ASTRO XTS 5000 - Display Failure (NTN9564)

November 16, 2006 6881094C31-E
5-16 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.
MAEPF-27404-O
End
Replace
LCD Display
Check integrity
of B102
1.8<V<1.95V?
No Display
Problem
Resolved?
No
No
Ye s
Ye s
Replace
B102
Verify VSW2
(1.85V) using
DC Supply Failure
flowchart
B102 OK?
No
Ye s
Check DC on
J301, pin 17
1