Visual Inspection - Tait TB8100 Service Manual

3.6

Visual Inspection

Task 1 —
Check for Physical
Damage, Missing or
Misplaced
Components
Task 2 —
Check Quality of
Solder Joints
Task 3 —
Check RF
Connectors
82 Reciter Fault Finding
The following procedures are intended as a guide for quickly finding basic
faults in the reciter before proceeding to the more detailed checks. The
circled numbers in the following instructions refer to
1. Remove the covers.
2. Has the reciter been dropped? Inspect the covers, front and rear
panels, and heatsink for damage. Check each board for loose or
missing components. If the digital board or RF board is damaged,
return the complete reciter to your nearest CSO for repair or
replacement.
3. Check that the flexible connectors
latched in their sockets (refer to
4. Check that all coaxial cables
correct connectors.
5. Check that all screws are in place and secured correctly. Refer to
"Screw Torque Settings" on page
1. Check the power supply circuitry
dry joints.
2. Check the pins of the large ICs on the digital board for shorts or
faulty solder joints.
3. Check the overall quality of the solder joints.
1. Check the SMA connector solder joint
2. Check that the nuts securing the BNC/TNC connectors
tightened correctly. Refer to
Figure 3.5 on page
b
are correctly positioned and
Figure 5.2 on page
c d e
are connected securely to the
100.
f
on the RF board for shorts or
g
.
"Screw Torque Settings" on page
© Tait Electronics Limited September 2006
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are
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TB8100 Service Manual