TM 9-4935-481-14-1
C1
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
2059
MCP
Connect a 10215396 cable to J13.
2073
MCP
Connect the white probe from J13 to pin "J" of the adapter at J5.
2060
MCP
Momentarily touch the black and white probes together and observe
2074
MCP
Connect the white probe from J15 to pin "S" of the adapter at J5.
TP
2075
VWS
Adjust AMPTD(VOLTS) control to +0.8000 0.0010 Vdc.
that the NO GO lamp illuminates while the connection is made.
DMM
Replace card A18. Check A18 pins
2076
MCP
SELECTOR A switch to H12.
101, 104 and 89.
2077
MCP
Connect 1W20-Pl to J12 and 1W20-P2 to the oscilloscope CHANNEL
2061
TP
MODE switch to DN ERROR.
OSC
2062
MCP
SELECTOR B switch to G18.
A INPUT.
2063
MCP
Momentarily touch the black and white probes together again and
2078
MCP
Adjust COMPARATOR THRESHOLD C control until the display oscillates
observe that the NO GO lamp illuminates while the connection is
OSC
made. (The GO lamp may also illuminate.)
between -0.3 + 0.8 and +2.60 + 1.80 -0.84 Vdc.
Replace card A18. Check A18 pins
Replace card A18. Check A18 pins
101, 107 and 90.
19, 2 and 29.
2064
TP
MODE switch to L/R ERROR.
2079
MCP
SELECTOR A switch to I-24.
2065
MCP
SELECTOR B switch to G15.
2080
DMM
Observe a reading of -0.1940 to -0.2060 Vdc.
2066
MCP
SELECTOR C switch to G16.
Replace card A18. Check A18 pins
2067
MCP
Connect a second 10215396 cable to J15.
19, 2 and 29.
2068
MCP
Momentarily touch all black and white probes together and observe
2081
MCP
Remove the probe from pin "J" of the adapter and connect it to
TP
pin "GG".
NO GO lamp illuminates while the connections are made.
2082
MCP
SELECTOR A switch to H13.
Replace card A18. Check A18 pins
2083
MCP
Adjust COMPARATOR THRESHOLD C control until the display oscillates
101, 109, 108 and 84.
OSC
2069
VWS
+DC/PULSE/-DC switch to +DC.
between -0.3 0.8 and +2.60 + 1.80 -0.84 Vdc.
2070
MCP
SELECTOR A switch to I-23.
Replace card A18. Check A18 pins
2071
MCP
SELECTOR B switch to F4.
21, 51 and 2.
2072
MCP
SELECTOR C switch to F12.
2084
MCP
SELECTOR A switch to I-24.
2085
DMM
Observe a reading of -0.1940 to -0.2060 Vdc.
Replace card A18. Check A18 pins
21, 51 and 2.
3-146