Power Supplies
The following procedure allows you to determine whether the power supplies are working properly.
Follow the disassembly procedure to disassemble the instrument. Be sure to disconnect all inputs to
the 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 Location Detail
C1103
pin 1
15 V ±
25%
Keysight Truevolt Series Operating and Service Guide
479
Service and Repair
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