June 2003 IPN: M5000-00-105
Fault finding charts C - 11
Figure C-3: No serial communication
YES
Is the PTT jammed on?
YES
Make sure PTT is released.
Ensure loom is properly fitted
into the socket on the PCB.
Is the flexible loom
inserted correctly?
YES
NO
NO
Is the Tx/Rx
switch on the calibration
test unit set to Rx?
Set Tx/Rx switch to Rx.
NO
Leads OK?
Replace or repair leads.
NO
YES
No serial communication
NO
Is the flexible loom
end damaged?
YES
Replace flexible loom.
Make sure physical
connections are intact.
NO
YES
Are the physical connections
correct, e.g. battery charged,
comms lead inserted correctly
into the correct port on the PC,
flexible loom contacts clean, etc.?
Is the software using the
correct serial port?
Change the ‘COMM Port’ using
Edit|Preferences or
Tools|Options.
NO
YES
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Summary of Contents for Orca 5000
Page 1: ...Tait Orca 5000 Portable Radios Service Manual June 2003 IPN M5000 00 105 ...
Page 4: ...iv June 2003 IPN M5000 00 105 ...
Page 22: ...B 2 June 2003 IPN M5000 00 105 ...
Page 36: ...B 16 Circuit descriptions June 2003 IPN M5000 00 105 ...
Page 38: ...B 18 Circuit diagrams June 2003 IPN M5000 00 105 ...
Page 40: ...B 20 Circuit diagrams June 2003 IPN M5000 00 105 ...
Page 42: ...C 2 June 2003 IPN M5000 00 105 ...
Page 78: ...E 2 June 2003 IPN M5000 00 105 ...
Page 94: ...F 2 June 2003 IPN M5000 00 105 ...
Page 118: ...G 2 June 2003 IPN M5000 00 105 ...