
6816985H01-B
August 16, 2007
700/800 MHz Troubleshooting Charts:
No Display Troubleshooting Chart (1 of 3)
6.4-13
6.4.14No 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
Summary of Contents for ASTRO MT 1500
Page 4: ...iv Table of Contents August 16 2007 6816985H01 B Notes ...
Page 164: ...August 16 2007 6816985H01 B 5 6 Troubleshooting Procedures Operational Error Codes Notes ...
Page 188: ...August 16 2007 6816985H01 B 6 1 24 VHF Troubleshooting Charts Secure Hardware Failure Notes ...
Page 212: ...August 16 2007 6816985H01 B 6 2 24 UHF1 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 236: ...August 16 2007 6816985H01 B 6 3 24 UHF2 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 710: ...9 2 40 UHF1 Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 806: ...9 5 32 900MHz Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 816: ...Index 4 August 16 2007 6816985H01 B Notes ...
Page 817: ......