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Press

IMenu)

~~hkd#

to vary the power and check for corresponding level

changes on the test instrument. (A power change of 20

dl3

wilI

change the

voltage observed on the

oscilIoscope

by a factor of ten.)

8. Note the results of the frequency and power changes:

If the frequency and power output changes are correct, skip ahead to

“Al2

Reference Check” located in this chapter.

If the frequency changes are not correct, continue with “YO Coil Drive

Check with Analog Bus”.

If the power output changes are not correct, check analog bus node 3.

b. Press (Marker)

Lc/n).

The marker should read approximately 434 mu.

c. Press

(K)

Lc/n).

The marker should read approximately 646

mu.

7-10

Sourcs

Troubleshooting

HP 8753E Service Manual

Other manuals for HP 8753E