Agilent Technologies 856290216 Safety Considerations, Which Adjustments Should Be Performed?

Safety Considerations

Although this instrument has been designed in accordance with international safety standards, this manual contains information, cautions, and warnings which must be followed to ensure safe operation and to prevent damage to the instrument. Service and adjustments should be performed only by qualified service personnel.

Warning w Adjustments in this section are performed with power supplied to the instrument and protective covers removed. There are voltages at many points in the instrument which can, if contacted, cause personal injury. Be extremely careful. Adjustments should be performed only by trained service personnel.

w Power is still applied to this instrument with the (LINE) switch in the off position. Before removing or installing any assembly or printed circuit board, remove the line-power cord.

w Capacitors inside the instrument may still be charged, even if the instrument has been disconnected from its source of supply.

nUse a nonmetallic adjustment tool whenever possible.

Which Adjustments Should Be Performed?

Table 2-l lists the manual adjustments that should be performed when an assembly is repaired or changed. It is important to perform the adjustments in the order indicated to ensure that the instrument meets its specifications.

Test Equipment

The equipment required for the manual adjustment procedures is listed in Table 1-4, “Recommended Test Equipment .” Any equipment that satisfies the critical specifications given in the table may be substituted for the preferred test equipment.

Adjustable and Factory-Selected Components

Table 2-2 lists the adjustable components by reference designation and name. For each component, the table provides a description and lists the adjustment number.

Refer to Table 2-3 for a complete list of factory-selected components used in the instrument along with their functions. Factory-selected components are identified with an asterisk on the schematic diagrams.

2-2 Adjustment Procedures