Assembly Designations And Locations - Agilent Technologies 4284A Service Manual

3-5. ASSEMBLY DESIGNATIONS AND LOCATIONS

Assemblies, such as printed circuit boards, are assigned sequential numbers, A l , A2 etc., as
shown in Figure 3-1. Figure 3-1 also gives the location of the assemblies.
A30/A31
A20
Assembly No.
Al
A2
A3
A4
A5
A6
A7
Al 1
A20
A30/A31
A40
A50
ol I
Onnn
Assembly Name
Power Supply Board Assembly
Modulator Board Assembly
Range Resistor Board Assembly
High Power Amplifier/DC Bias Board Assembly
(Option 001)
Signal Source Board Assembly
Phase Detector/A-D Converter Board Assembly
Digital Control Board Assembly
Motherboard Assembly
HP-IB Interface Board Assembly
Handler Interface Board Assembly
(Option 201/202)
Scanner Interface Board Assembly (Option 301)
Bias Current Interface Board Assembly
(Option 002)
Figure 3-1. Assembly Identification (1/2)
3-3
A50
A40
A7
A6
A5
A4
A3
A2
Al
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