HP 8753E - Page 598

A11 phase lock and A3 source
check, 7-8
Al/A2 front panel, 6-13
key stuck, 6-14
phase lock error,
7-4
receiver, 8-3
RF power from source, 7-3
failures
HP-IB, 6-19
fan
air flow detector, 12-7
variable fan circuit, 12-7
fan speeds, 5-22
fan troubleshooting, 5-22
fan voltages, 5-22
faulty analyzer repair, 42
faulty cables, 9-l
faulty calibration devices or
CoMectors, 9-l
faulty data, 417
faulty group isolation, 49
filter (low pass), l-3
iirmware revision softkey, 19-47
floor level test, 2-37
floppy disk, l-3
FM Coil - plot with 3 point sweep,
7-37
FM sideband and spur avoidance
adjustment, 3-54
FN count., lo-10
FN LO at Al2 check, 7-19
F’N LO waveform at A12J1, 7-19
FRAC N, lo-25
frac-N analog
source, 12-14
Frac N Cont., 199
frac-N digitai
source, 12-14
FRACN TUNE mode HI OUT. signal,
7-34
FRACN TUNE ON
OFT, lo-18
F’ractionai-N Check, 7-24
fractional-N (digital), 10-43
fractional-N frequency range
acijustment, 3-45
F’ractionai-N Frequency Range
Adjustment Sequence, 3-62
fractional-N spur avoidance and F‘M
sideband a@stment, 3-54
kactionai-N Spur Avoidance and F’M
Sideband Adjustment Sequence,
3-62
frequency accuracy adjustment, 3-48
frequency counter, l-3, 10-23
frequency output in SRC tune mode,
7-8
frequency range and accuracy test,
2-18
frequency range for external source
mode, 2-21
frequency range of fractional-N
adjustment, 3-45
front panel
assembly replacement, 148
digital control, 12-10
part numbers, 13-29-22
front panel key codes, 6-14
front panel probe power voltages,
5-19
front panel processor
digitai control, 12-10
front panel troubleshooting, 6-13
Fr Pan Biag., lo-11
F’r Pan Wr/Rd, 19-9
fuIl two-port error-correction
procedure, 1 l-3
functional group fault location, 49
functional groups
theory of operation, 124
fuse check, 5-7
Index-10