Product Performance Checks; Assembly Identification And Location - Agilent Technologies 53147A Assembly Level Service Manual

Chapter 2 Service
Pre-Troubleshooting Information
3 Check any indicated front- or rear-panel ground terminals marked,
using the above procedure.
4 INSULATION RESISTANCE TEST. Tie the line and neutral pins of the
power cord plug together. Measure the resistance from the instrument
enclosure (chassis) to the line and neutral pins of the power cord plug.
The minimum acceptable resistance is 2 MΩ. Replace any component
which results in a failure.

Product Performance Checks

After replacement of any functional assembly, perform the operational
verification test in Chapter 1 of this guide, "Performance Tests."

Assembly Identification and Location

The assembly number, name, and Agilent part number of each of the
Agilent 53147A, 53148A, and 53149A assemblies are listed in Table 2-2.
Figure 2-9 illustrates the replaceable assemblies in the Agilent
53147A/148A/149A.
Table 2-2. Agilent 53147A/148A/149A Assembly Identification
Assembly Name
A1 Adapter (53149A only)
A2 Front Panel Assembly (53147A)
A2 Front Panel Assembly (53148A)
A2 Front Panel Assembly (53149A)
A3 Front Panel Power Switch Assembly (Power/Standby Switch)
A4 Battery Housing Assembly *
A5 DC/DC Converter PCB *
A6 Battery Switch Assembly *
A7 Battery *
A8 Battery Sled Assembly *
A9 Battery Cover Assembly
A10 Power Entry Module Assembly
A11 Rear Panel Assembly
A12 Cooling Fan Assembly
A13 Power Supply Assembly
* With Option 002 (Battery Option) only.
2-26
Agilent Part No.
53152-80001
53147-60207
53148-60207
53149-60207
53147-20203
53150-00002
53150-60004
53147-60223
53150-80010
53150-00004
53150-00003
53147-40007
53147-60219
53147-80012
0950-3299
Assembly Level Service Guide