User's Manual Part 2

T ECHNICAL D OCUMENTATION P ROTECTING P EOPLE AND A SSETS
®
D ATE : 22 M ARCH 2017 | V ERSION : 1.4
47
R ANGER -X5 R ADAR S YSTEM
T
ROUBLESHOOTING
,
M
AINTENANCE
,
AND
C
ALIBRATION
EEC
®
|
C
OMPANY
P
ROPRIETARY
2. Step 2 (Internal Power Distribution):
Check the power for the following components:
Component / Location
Designator
Test Point
Voltage
Coaxial
RF Amplifier
A3
TB1
-
2
TB1-6
+12VDC
IF Amplifier
A4
TB1
-
3
TB1-5
+12VDC
Signal Generator
A6
USB Output from
Transceiver Assembly
+5VDC
Coaxial RF Amplifier
A2
TB1
-
2
TB1-6
+12VDC
Coaxial Switch
S1
J2
-
Pin 1
J2 - Pin 2
J2 - Pin 3
J2 - Pin 7
TB1-1
TB1-4
+12VDC
Low Noise Amplifier (LNA)
A1
J2
-
Pin 9
J2 - Pin 5
TB1-1
TB1-4
+12VDC
Table 4. UDC / TX Control Power Distribution
Is the power output reaching the component?
YES: Continue to Step 3
NO: Use the schematics to isolate the power interruption.
3. Step 3 (Signal Flow):
Is the Signal Flow and output per the diagram in Figure 15?
YES: Continue to Step 4
NO: Replace defective component on UDC and restart Troubleshooting.