Agilent Technologies 856290216 service manual Index-4, Hp-Ib

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