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comparator, 8-31
control registers, 8-31
control word, 8-31
counter, 8-31
CPU, 8-31
post-trigger counter, 8-31
reference check, 8-31
reference generator, 8-31
trigger, 8-31
video trigger, 8-31
fan
removal and replacement, 4-42
fault isolation, 7-14
fault isolation RF path, 7-16
filter adjustment , 2-21
firmware, 7-50
firmware-dependent part numbers, 5-2
first LO. See LO
first LO distribution amplifier
removal and replacement, 4-30
First LO problems, multiband sweeps,
11-41
First LO span problems, 11-40
flatness adjustment, manual, 2-43
flatness compensation amplifiers, 7-45
flatness control troubleshooting, 8-13
FM coil, 11-29
focus problems, 13-9
fractional N
divider, 11-35
oscillator, 11-23
phase noise, 11-44
span problems, 1 l-39
troubleshooting, 1 l-l 1
fractional N PLL, 7-47, 11-32
unlocked, 11-31
frequency control (A14) assembly removal, 4-37
frequency control (A14) assembly replacement,
4-38
frequency control assembly troubleshooting,
12-11
frequency control block diagram, 1 l-48
frequency counter, lo-14
frequency counter prescaler/conditioner
troubleshooting, 9-16
frequency-count marker problems,
lo-13
frequency response adjustment
10 MHz reference, 3-4
alphabetic error messages, 3-16-18
BASIC binaries, 3-5
BASIC programs, 3-5
changing mass storage file, 3-10
compatible controllers, 3-2
conditions menu, 3-6
controller setup, 3-4
error messages, 3-16-19
HP-IB cables, 3-4
loading the program, 3-5
mass storage file, 3-7, 3-9
numeric error messages, 3-18
operating system software, 3-2
required test equipment, 3-3
sensor data file, 3-9
sensor file deletion, 3-10
sensor file edits, 3-10
sensor serial number, 3-9
sensor utilities menu, 3-9-10
test descriptions, 3-14-15
test record header, 3-6
variable error messages, 3-19
warmup times, 3-3
Frequency Response Adjustment
memory required, 3-2
frequency response adjustment menus
adjust menu, 3-13
all tests, 3-6
conditions menu, 3-12
sensor utilities menu, 3-12
frequency response adjustment softkeys, 3-12-13
frequency response adjustment test descriptions,
3-14-15
front end cal adjustment, 3-14
front frame
removal, 4-5
replacement, 4-10
front frame parts, 5-18, 5-29
fuse blowing, 13-14
G
general information
serial number label description, l-l
general safety considerations, v
graticule problem,
lo-10
H
harmonic number versus center frequency, 11-36
high and low band problems, 12-5
high band problems, 12-5
high voltage power supply adjustment , 2-13
high voltage supplies, 13-15
HP 85629B. See TAM
HP 85629B test
and.adjustment
module, l-3
HP 85629B Test and Adjustment Module, 2-9
HP 85623 options information, l-2
HP-IB
dual bus operation, 3-8
HP-IB address
frequency response adjustment software, 3-7
HP-IB verification
frequency response adjustment software, 3-8
HP sales and service offices, 1-16
Index-4