HP 85106D, Manual, Page: 100 / 244

HP 85106D mm-Wave System 4-7
Service and Troubleshooting
Turn On System Power and Observe Instrument Front Panels
Turn On System Power and Observe Instrument
Front Panels
NOTE In the next step, observe the preset routines for each instrument as ac line
power is applied. Note any errors.
1. Switch the ac line power to all system instruments OFF.
2. Apply ac line power to the system instruments in the following order:
a. Sources
b. Millimeter-wave controller/source modules
c. Test set (if included)
d. When the system instruments finish their preset routines and are
ready, apply ac line power to the HP 8510C.
NOTE If the HP 8510 hardware state and instrument state are incorrect, or not
loaded, the HP 8510 may display an error message and sound a beep. Turn
the beep off by pressing [
SYSTEM
] {
BEEPER OFF
} on the front panel.
If needed, load the desired “Machine Dump” file from the HP 8510C system
disk by inserting the disk into the disk drive. Press the following HP 8510C
keys:
[
DISK
]
{
STORAGE IS INTERNAL
}
{
LOAD
} {
MORE
}
{
MACHINE DUMP
}
Refer to Chapter 1, “Getting Started” of this manual for more information
about the contents of a “Machine Dump.” Use the RPG knob on the HP 8510
to select the file for the desired frequency band and LO source (see Table on
page 2-6), then press {
LOAD FILE
}. The system is ready for operation after the
file is loaded.
If the system locks-up, refer to Chapter 2, “Operation” using the “Common
Problems and Their Solutions” information.