Service and Repair
Power Supplies
The following procedure allows you to determine whether the power supplies are working properly.
Follow the
disassembly procedure
instrument before beginning disassembly.
Circuit side of board
The following measurements use the frame of the instrument as the low voltage reference. For the fol-
lowing measurements, the instrument should be turned on, and the light below the power switch should
be green.
Pin
C1103
pin 1
15 V ±
25%
480
to disassemble the instrument. Be sure to disconnect all inputs to the
Location Detail
Keysight Truevolt Series Operating and Service Guide