TM 5-6675-318-14
Table 2-8. TEST DESCRIPTION - Cont
Description
Test
Carriage Diagnostics - Cont
Cycles carriage 20 steps (150 times)
Test 5:
forward and reverse. Allow test to run
at least one minute.
Variator Diagnostics
Checks operation of variator lens drive
Functional Test
Test 6:
system.
Checks accuracy and repeatability of
Accuracy Test
Test 7:
variator lens drive system with respect
to its home switches.
Cycling test.
Test 8:
Collimator Diagnostics
Functional Test
Checks operation of collimator lens
Test 9:
drive system.
Test 10:
Accuracy Test
Check accuracy or repeatability of
collimator lens drive system with
respect to its home switch.
Test 11:
Cycling Test (Ping Pong)
This test is a diagnostic tool to aid in
troubleshooting when errors are found in
functional or accuracy tests.
Lens Constant
Visual Indication of Switch
Tests switches and associated wiring
Test 12:
Status
for possible shorts and/or opens.
ROW Shift Diagnostic
Checks operation of ROW shift circuit
Test 15:
Functional Test
and mechanism.
Timing errors are displayed on screen in
the following format:
04X ROW Ready ERROR
X ROW Number in ERROR
049 ROW Never Ready
2-206
