|
| |
TM 55-4920-383-13&P
Table 4-4. Troubleshooting Chart - Continued
Malfunction
Unable to simulate
specific COMPEN-
SATOR. capacitance.
10. Nonlinear capacitance
and resistance
measurements.
1. Erratic capacitance
and resistance readouts.
12. Digital display (7) read-
out shows characters
that are not numbers.
Probable cause
Defective SIMULATORS-
COMP A4C2.
a. Defective binary counters
A1Z36, A1Z37 or
A1Z38.
b. Defective analog to digital
converter A1Z40.
Defective digital board A1.
a. Burned out filaments in
digital displays A1DS1
through A1DS6.
Corrective action
Check and replace air
capacitor board A4 as
required.
a. Check and replace
digital board A1 as
required (see figure
2-7).
b. Check and replace
A1Z40 as required.
Check and replace digital
board A1 as required
(see figures 2-3 through
2-13) .
a. Depress DISPLAY
TEST switch (4). If
digital display does
not read 8.8.8.8.8.8.,
check and replace
digital displays
A1DS1 through A1DS6
as required (see figure
2-13) .
4-19
|
