Keysight 3458A - Page 15

Keysight 3458A Assembly-Level Repair Manual 15
List of Figures
Figure 2-1 AC line voltage switch positions . . . . . . . . . . . . . . . . .29
Figure 2-2 Power cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Figure 2-3 Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Figure 2-4 Standard 2-wire (plus guard) measurements . . . . . . .36
Figure 2-5 Display test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Figure 3-1 Right side handle removal/installation . . . . . . . . . . . .62
Figure 3-2 Remove/Install left side handle . . . . . . . . . . . . . . . . . .64
Figure 3-3 Remove/Install cover ground screws . . . . . . . . . . . . .65
Figure 3-4 Remove/Install rear bezel . . . . . . . . . . . . . . . . . . . . . .66
Figure 3-5 Remove/Install bottom shield screw . . . . . . . . . . . . . .67
Figure 3-6 Remove/Install top shield screw . . . . . . . . . . . . . . . . .69
Figure 3-7 Assembly locations (top of instrument) . . . . . . . . . . . .72
Figure 3-8 Assembly locations (bottom of instrument) . . . . . . . . .73
Figure 3-9 DC circuitry assembly removal/installation . . . . . . . . .76
Figure 3-10 AC converter assembly removal/installation . . . . . . . .79
Figure 3-11 A/D converter and inguard logic assembly . . . . . . . . .82
Figure 3-12 Remove/Install transformer cable on inguard
power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Figure 3-13 Inguard power supply assembly removal/
installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Figure 3-14 Outguard controller assembly removal/
installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Figure 3-15 Outguard power supply assembly removal/
installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Figure 3-16 Guard and power pushrods, and display cable
locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Figure 3-17 Top trim and front/rear pushrod locations, and
unlock panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Figure 3-18 Remove front panel assembly . . . . . . . . . . . . . . . . . . .95
Figure 3-19 Remove/Install screws on front terminals . . . . . . . . . .97
Figure 3-20 Remove/Install display screw . . . . . . . . . . . . . . . . . . .98
Figure 3-21 Front/Rear terminals switch assembly removal/
installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Figure 3-22 Wire/Cable locations on front/rear terminals switch 101