Read The Programming File - Tait TM9100 Service Manual

Given that the radio powers up, the next task is to read the radio's
Task 4 —
Read the
programming file or upload a default file.
Programming File
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
142 Servicing Procedures
Use the programming application to read the programming file.
If the programming file can be read, save a copy on the test PC, and
go to Task 5. If not, go to
If it seems that the file cannot be read, cycle the power to the radio
and again attempt to read the file. First cycling the power is essential
if the radio is programmed to power up in transparent-data mode
(both 1200 baud FFSK and Tait high-speed data) and if the selected
data port is the microphone connector.
If the programming file cannot be read, check whether:
the radio is connected to the correct serial port of the test PC,
the Mode switch of the test unit is set to Rx,
the programming application is set-up correctly. Refer to the
troubleshooting section of the online help.
If the programming file can be read now, save a copy on the test PC,
and go to Task 5. If not, go to
Check whether the control-head loom, the control head or the radio
body is faulty by first connecting a spare control-head loom and then
a spare control head.
If the control head is faulty, check:
the control-head connector (pin 3: TXD, pin 7: RXD),
the microphone connector,
the path between the control-head connector and the microphone
connector,
and repair or replace the control-head board.
If the repair succeeded without the need for replacing the main-board
assembly, go to Step 9. Otherwise continue with
If the programming file can be read now, save a copy on the test PC,
and go to Task 5. If the file still cannot be read, go to
Set up a suitable default programming file and attempt to upload it to
the radio
If the upload succeeds, go to
Step 12.
If the main-board assembly was replaced or if the repair failed, re-
assemble the radio as described in
page 123. Conclude with the tasks of
Step 3.
Step 6.
Step
Task 6. If the upload fails, continue with
"Disassembly and Reassembly" on
"Final Tasks" on page
TM9100 Service Manual
© Tait Electronics Limited August 2005
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Step 10.
147.