TM9-4935-481-14-1
C4
Table 3-11. DMS-D Performance Test-Continued
Table 3-11. DMS-D Performance Test-Continued
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
STEP
UNIT
PROCEDURE
CORRECTIVE ACTION
START switch and verify the DMM indicates an open circuit
Replace card A8. Check A8 pins 59,
(readings drift away from previous value) until the INHIB lamp
120 and 118.
illuminates again. To stimulate meter drift, it may be necessary
Crowbar and Power On
to cycle DIM FUNCTION switch between VDC and VAC after test start.
968
PPE
SEQUENCE switch to OFF.
968.
ITP
INTERNAL TEST switch to OFF.
FUNCTION TEST
SELECTOR A
Reading
969
CIP
COUNTER INHIBIT(SEC) dial to 05.01.
976
+5V CRBR
A7
OPEN CKT
970
PPE
Momentarily actuate TEST START switch.
Replace card A24. Check A24 pins
971
PPE
Set FUNCTION TEST and SELECTOR A switches to the positions
51, 55, 57, 67 and 76.
indicated and observe the DMM reading for each series of switch
977
+13V CRBR
A6
OPEN CKT
settings.
Replace card A24. Check A24 pins
FUNCTION TEST
SELECTOR A
Reading
51, 55, 57, 67 and 76.
972
+5V CRBR
A7
+4.750 to +5.250 Vdc
978
-13V CRBR
A5
OPEN CKT
Replace card A24. Check A24 pins
Replace card A24. Check A24 pins
51, 52, 89, 67 and 76.
51, 55, 57, 67 and 76.
973
+13V CRBR
A6
+12.90 to +13.10 Vdc
Replace card A24. Check A24 pins
979
MCP
SELECTOR A switch to Al.
55, 56 and 90.
980
PPE
FUNCTION TEST switch to +14V REG.
974
-13V CRBR
A5
-0.0100 to+0.0100 Vdc
981
PPE
Momentarily actuate TEST START switch. (less than 1 second)
Replace card A24. Check A24 pins
982
DMM
Observe a reading of +15.50 to +16.50 Vdc.
57, 59 and 91.
(124)
983
MCP
SELECTOR A switch to A2.
984
PPE
Momentarily actuate TEST START switch. (less than 1 second)
975
PPE
For each of the following FUNCTION TEST and SELECTOR A switch
985
DMM
Observe a reading of -15.50 to -16.50 Vdc.
MCP
Check J28-52 and 44.
CIP
settings, momentarily actuate TEST START switch and allow the
INHIB lamp to illuminate. Then momentarily reactuate the TEST
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