Agilent Technologies 8719ET Service Manual page 480

Index
PHASE LOCK CAL FAILED
10-37
PHASE LOCK FAILURE 10-37
PHASE LOCK LOST 10-38
phase lock problem
common faulty assemblies
phase locked sweep
description of 12-15
pin locations, GSP (A19) 6-11
pixels specifications
dark 6-8
red green or blue 6-7
plotter or printer GPIB check
PORT 1 check 4-8
PORT 2 Check 4-8
POSSIBLE FALSE LOCK
post regulator (A8)
checking fuses and voltages
checking operation of 5-9
description 12-7
green LED check 5-6
green LED's not all on 5-13
LED check 4-14
measuring the voltages 5-7
post-repair procedures 14-2
14-35
table of 14-35
power adjustments 3-17
power holes 7-22
POWER METER INVALID
POWER METER NOT SETTLED
10-38
power splitter, recommended part
numbers 1-4
,
power supply 12-5 12-6
check 4-14
troubleshooting 5-2
troubleshooting flowchart
POWER SUPPLY HOT! 10-38
POWER SUPPLY SHUT DOWN!
10-38
preregulated voltages 12-7
preregulator (A15)
check green and LED 5-6
description 12-6
is green LED blinking? 5-8
is red LED on? 5-9
removal 14-24
verifying operation of 5-10
preset sequence for ET and ES
models 4-5
PRINTER
error 10-38
not handshaking 10-38
not on, not connected, wrong
addrs 10-38
procedures
Index-6
A7 CC jumper positions
ADC offset correction constants
(test 48) 3-10
analog bus correction constant
(test 44) 3-8
7-8 EEPROM backup disk
fractional-N spur avoidance and
FM sideband adjustment
3-44
Frequency Accuracy
Adjustment
IF amplifier correction
4-11 constants (test 47)
initialize EEPROMs (test 53)
3-32
10-38 option numbers correction
constant (test 50)
5-13 serial number correction
constant (test 49)
Source Pretune Correction
Constants (Test 43)
pulse generator (A52)
check oscilloscope
check spectrum analyzer
,
harmonic comb description
12-14
PWR MTR
NOT ON/CONNECTED OR
WRONG ADDR
10-38
R
R channel output check
R Sampler Assembly (A64)
swapping IF cables to
troubleshoot phaselock
problems
R, R2, A, and B sampler assembly
5-3
traces 8-6
R2 Sampler Assembly (Option
400)
swapping IF cables to
troubleshoot phaselock
problems
RAM main
description of
R-channel sampler
ES models 7-6
ET models 7-5
rear panel
assembly removal
CPU LED pattern
description of
interface board removal
LED check 4-14
receiver 12-5
2nd LO check
4 MHz check 8-3
3-4 assemblies and associated paths
check
directional coupler check
troubleshooting
3-33 reference assembly VCO tune
adjustment
reference board (A12)
checking
reference, crystal reference
3-41 frequencies description
REFLECTION port check
3-9 reflection tracking
(ERF and ERR) description
uncorrected port performance
3-13
removing
3-11 high stability freq. ref. assembly
3-6 LED board
line fuse
7-19 test port couplers
7-20 the ABT1 battery
the covers
the CPU board
the disk drive assembly (A3)
10-39 the display lamp and assembly
the fan assembly
the front panel
4-22
the front panel interface and
the GSP board
the preregulator board
7-9
the rear panel assembly
the rear panel interface board
the source assembly
replacing, the line fuse
return loss
test port cable check
7-9
typical display of test port cables
12-10
RF adapters
recommended Agilent part
RF components
problems with
14-14
RF path
6-5
isolating fault in
12-11
RF signal of the R-channel
14-16
measuring of on ES models
measuring of on ET models
8-3
8-2
4-21
8-7
8-2
3-39
7-13
12-16
4-8
11-13
11-8
14-32
14-30
5-8
14-30
14-22
14-6
14-20
14-28
14-12
14-34
14-8
keyboard assemblies 14-10
14-26
14-24
14-14
14-16
14-18
14-5
2-9
2-10
numbers 1-4
7-22
9-5
7-10
7-10