Removal and Replacement Procedures For 3739A
7-10 Front Panel Assembly – ND73169 – 71894
VectorStar ME7838 Series MM
PN: 10410-00306 Rev. F
7-27
Replacement Part
•
Front Panel Assembly – ND73169 – 3-71919
Replacement Procedure
Common Disassembly Procedures
1.
Power down the VNA and Test Set and disconnect the cables between the VNA, Test Set, and Modules.
Move the Test Set to the repair area. Refer to
above for specific instructions.
2.
Remove the top cover as described in the procedure above.
Front Panel Removal
3.
Disconnect the following cables from their destination connectors. Note that these cables are included
with the replacement Front Panel.
a.
LED Power – Disconnect at A1 PCB Connector P7.
b.
Port 1 LED – Disconnect at A1 PCB Connector P13.
c.
Port 2 LED – Disconnect at A1 PCB Connector P12.
d.
Port 1 Power / Control – Disconnect at A1 PCB Connector J2.
e.
Port 2 Power / Control – Disconnect at A1 PCB Connector J3.
Disconnect Semi-Rigid Coaxial Cables
4.
Disconnect the three semi-rigid coaxial connectors from the Front Panel top connector row. Once loose,
bend the cables slightly out of the way.
a.
RF connector.
b.
LO1 connector.
c.
LO2 connector.
1 – Front Panel Assembly – ND73169 – Viewed from
Inside Chassis – Power Switch and Port 1 on right – Port
2 and Ground on left.
Cable Harnesses Provided with ND73169
2 – Power LED Cable Harness
3 – Port 1 LED Cable Harness
4 – Port 1 Power Cable Harness
5 – Port 2 Power Cable Harness
6 – Port 1 LED Cable Harness
7 – Ground Plug Cable Harness
Disconnect These Cables – Top Row
8 – RF Connector, Semi-Rigid Coaxial Cable
9 – LO1 Connector, Semi-Rigid Coaxial Cable
10 – LO2 Connector, Semi-Rigid Coaxial Cable
Disconnect Switch
11 – Power Switch and Cable Harness Assembly –
Remove two screws to detach power switch.
Disconnect These Cables – Port 1
12 – Port 1 RF Connector, Semi-Rigid Coaxial Cable
13 – Port 1 LO Connector, Semi-Rigid Coaxial Cable
14 – Port 1 Test Connector, Flexible Coaxial Cable
15 – Port 1 Ref Connector, Flexible Coaxial Cable
Disconnect These Cables – Port 2
16 – Port 2 LO Connector, Semi-Rigid Coaxial Cable
17 – Port 2 RF Connector, Semi-Rigid Coaxial Cable
18 – Port 2 Ref Connector, Flexible Coaxial Cable
19 – Port 2 Test Connector, Flexible Coaxial Cable
Power Supply and A1 PCB
20 – Power Supply Module – 3-40-183
21 – A1 Bias Control PCB Assembly – ND73163 –
3-72143-3
22 – A1 PCB Connector J2 – Connects to Port 1
23 – A1 PCB Connector J3 – Connects to Port 2
Figure 7-12.
Front Panel Assembly – ND73168 – View from inside chassis (2 of 2)
Содержание VectorStar ME7838 Series
Страница 2: ......
Страница 14: ...1 6 ME7838 Series VNA System Overview General Information 1 6 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 28: ...1 7 Recommended Test Equipment General Information 1 20 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 76: ...4 10 ME7838G System Operation Theory Of Operation 4 16 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 94: ...5 3 ALC Level Calibration Adjustment 5 18 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 176: ...A 3 ME7838G WR05 S Parameter Measurements Test Record Test Records A 4 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
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