 |
|||
|
|
|||
|
Page Title:
Table 4-3. Checkout/Troubleshoot the Antenna Coupler CU-2229/URC -92--Continued |
|
||
| ||||||||||
|
|  TM 11-5820-873-34
Table 4-3 Checkout/Troubleshoot the Antenna Coupler CU-2229/URC- 92-Continued
STEP
ACTION
INDICATION
NEXT STEP
70
Connect VTVM between feed thru capacitors
Meter indicates a voltage difference of more than
Yes: reinstall
2A4C19 and 2A4C17
0 1 VDC(+ or -)
removed com-
ponents, go to
step 139
No: step 85
71
Set mode switch to OFF Continuity check
Continuity checks good
Yes: reinstall
2XA1-R to 2XA2-14
removed com-
ponents, go to
step 140
No: reinstall removed
components, go
to step 139
72
Check that 2S1 L MAX switch (roller and 1, MAX
2S1 checks good
Yes: step 73
plunger) is not activated
No: reinstall removed
components,
repair and/or
adjust 2S1
LMAX
73
Remove Control Logic CCA 2A1 Connect mul-
Meter indicates 1000 ohms or more
Yes: step 140
tlmeter between 2XA2-7 and ground
No
reinstall removed
components, go
to step 139
74
Check that 2S2 L MIN switch (roller and L MIN
2S2 checks good
Yes: 139
plunger) is not activated
No: reinstall removed
components,
repair and/or
adjust 2S2
LMIN
75
Set mode switch to OFF Remove Control Logic
Meter Indicates greater than 0.1 VDC
Yes: step 76
CCA 2A1. Set mode switch to AM Connect
No: step 85
VTVM between 2XA1-3 and 2XA1-F
76
Connect VTVM between 2XA1-B and ground
Meter indicates 12 VDC 4 VDC
Yes: step 77
No: step 86
77
Set mode switch to OFF Reinstall Control Logic
Meter indicates 0 VDC 0.5 VDC
Yes: step 141
CCA 2A1 Remove Phase and Amplitude Control
No: reinstall removed
CCA 2A2 Set mode switch to CPLR TUNE KW
components, go
Connect VTVM between 2XA2-10 and ground
to step 140
78
Connect VTVM between 2XA2-12 and ground
Meter indicates 0 VDC 0.5 VDC
Yes step 79
No: step 87
79
Set mode switch to OFF Disconnect connector
Meter indicates less than 50 ohms
Yes: step 80
from Servo Control Assy 2A6 Connect multlm-
No: replace motor
eter between 2M1-1 and 2M1-2
2M1, reinstall
removed
components
80
Continuity check the following
Continuity checks good
Yes reinstall
2XA2-5 to 2XA6-R
removed com-
2XA2-4 to 2XA6-D
ponents, go
2XA6-N to 2M2-1
to step 142
2XA6-P to2M2-2
No: reinstall removed
components, go
to step 139
81
Connect VTVM between feed thru capacitors
Meter indicates a voltage difference of more than
Yes reinstall
2A4C21 and 2A4C20
0 1 VDC(+ or-)
removed com-
ponents, go
to step 143
No: step 88
82
Set mode switch to OFF. Continuity check
Continuity checks good
Yes: reinstall
2XA1-13 to 2XA1-6.
removed com-
ponents, go
to step 140
No: reinstall removed
components, go
to step 139
4-27
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals