Motorola ASTRO XTS 2500 Service Manual page 201

UHF1 Troubleshooting Charts: No Display Troubleshooting Chart (1 of 3)
6.2.14No Display Troubleshooting Chart (1 of 3)
6816985H01-B
No Display
Verify/Re-Connect
DisplayConnections:
1) LCD to OPTION Board
connection (22 pin connector)
2) OPTION Board flex connector
(45 pin connector)
3) Check connector integrity
(22 pin: check solder, etc.)
(45 pin: check latches, solder, etc.)
Problem
Resolved?
No
Replace
LCD Display
Problem
Resolved?
No
Check DC
on J601, pin 1
1.8<V<1.95V?
Yes
1
Yes
End
Yes
End
Repair solder
No
joint at
J601, pin 1
MAEPF-27339-O
6.2-13
August 16, 2007