Removal and Replacement Procedures For 3739A
7-8 Module Replacement Sequence
VectorStar ME7838 Series MM
PN: 10410-00306 Rev. F
7-21
7-8
Module Replacement Sequence
The table below lists the replacement sequence for the eight (8) modules in the 3739A Test Set. Use the general
procedures described above to remove each required module:
•
“Basic Module Removal Procedure” on page 7-15
•
“Basic Module Re-Installation Procedure” on page 7-15
•
“Basic Module Re-Installation Procedure” on page 7-15
First Procedure
In all cases, perform this procedure first:
•
“Disassembly Procedure – Power, Disconnect, and Covers” on page 7-1
Last Procedure
In all cases, once the replacement procedure has been completed, and no other replacement procedures are
required, perform this procedure last:
•
“Reassembly Procedure – Power, Disconnect, and Covers” on page 7-4
Table 7-2.
3739A Module Replacement Sequence (1 of 3)
Module To Be Replaced
Figure Reference
Removal and Replacement Sequence
A100 LO Amplifier Module,
Port 1 – ND73159<R>
Figure 7-6, “A100 and A105 Modules – Bracket Mounting Detail” on page 7-16
Remove A102 from chassis.
Remove A101 from chassis.
• Two screws hold module to bracket.
Separate A100 Module from bracket.
• Four screws hold bracket to chassis.
Assembly replacement A100 Module and bracket.
Replace A100 in chassis.
Replace A101 in chassis.
Replace A102 in chassis.
Cable harness connects to A1 PCB Connector P13.
A101 Modulator Module, Port
1 – ND73161<R>
Figure 7-7, “A101 and A106 Modulator Modules” on page 7-17
Remove A102 from chassis.
Remove A101 from chassis.
• No bracket,
Separate A101 Module from two RF right-angle elbow connectors.
• Note elbow orientation.
Attach elbow connectors to replacement A101 Module.
Replace A101 in chassis.
Replace A102 in chassis.
Cable harness connects to A1 PCB Connector P10.
Summary of Contents for VectorStar ME7838 Series
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