6816985H01-F February 14, 2012
900 MHz Troubleshooting Charts: No Display Troubleshooting Chart (1 of 3) 6.5-13
6.5.14No Display Troubleshooting Chart (1 of 3)
MAEPF-27339-O
End
End
Check DC
on J601, pin 1
Problem
Resolved?
No Display
Problem
Resolved?
Verify/Re-Connect
DisplayConnections:
No
No
Yes
Yes
Repair solder
joint at
J601, pin 1
1.8<V<1.95V?
No
Yes
Replace
LCD Display
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.)
1
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