Tait TM8235, Руководство по обслуживанию

Страница: 149 / 578

TM8100/TM8200 Service Manual Servicing Procedures 149
© Tait Electronics Limited June 2006
6 Servicing Procedures
Scope of Section
This section gives the full sequence of tasks required when servicing a
particular radio. These tasks are:
■
initial inspection, visual inspection and fault diagnosis
■
repair, final inspection, test and administration.
For disassembly and reassembly instructions, refer to “Disassembly and
Reassembly” on page 129 .
6.1 Initial Tasks
List of Tasks
The following tasks need to be carried out for all radios:
■
initial administration
■
visual inspection
■
powering up the radio
■
reading the programming file
■
obtaining the details of the Software Feature Enabler (SFE)
■
reading the calibration file
■
checking the user interface
■
checking any error messages.
The following tasks only need to be carried out if they relate to the fault
reported:
■
checking the transmit and transmit-audio functions
■
checking the receive and receive-audio functions.
Important
Observe the “General Information” on page 103 .
Task 1 —
Initial
Administration
When a radio is received for repair, details of the Customer and the fault will
be recorded in a fault database. The fault reported by the Customer might
concern damage to or loss of a mechanical part, or the failure of a function
of the radio, or both.
Task 2 —
Visual Inspection
Check the radio for mechanical loss or damage, even if the fault concerns a
function failure only. Inspect the radio as follows:
■
knob for volume-control potentiometer
■
microphone grommet
■
rubber seal for RF connector
■
bung for auxiliary connector
■
bung for aperture for external options connector.