Index-6
Index
PHASE LOCK CAL FAILED
10-37
PHASE LOCK FAILURE
10-37
PHASE LOCK LOST
10-38
phase lock problem
common faulty assemblies
7-8
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
4-11
PORT 1 check
4-8
PORT 2 Check
4-8
POSSIBLE FALSE LOCK
10-38
post regulator (A8)
checking fuses and voltages
5-13
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
10-38
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
5-3
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
A7 CC jumper positions
3-4
ADC offset correction constants
(test 48)
3-10
analog bus correction constant
(test 44)
3-8
EEPROM backup disk
3-33
fractional-N spur avoidance and
FM sideband adjustment
3-44
Frequency Accuracy
Adjustment
3-41
IF amplifier correction
constants (test 47)
3-9
initialize EEPROMs (test 53)
3-32
option numbers correction
constant (test 50)
3-13
serial number correction
constant (test 49)
3-11
Source Pretune Correction
Constants (Test 43)
3-6
pulse generator (A52)
check oscilloscope
7-19
check spectrum analyzer
7-20
harmonic comb description
12-14
PWR MTR
NOT ON/CONNECTED OR
WRONG ADDR
10-39
R
R channel output check
4-22
R Sampler Assembly (A64)
swapping IF cables to
troubleshoot phaselock
problems
7-9
R, R2, A, and B sampler assembly
traces
8-6
R2 Sampler Assembly (Option
400)
swapping IF cables to
troubleshoot phaselock
problems
7-9
RAM main
description of
12-10
R-channel sampler
ES models
7-6
ET models
7-5
rear panel
assembly removal
14-14
CPU LED pattern
6-5
description of
12-11
interface board removal
14-16
LED check
4-14
receiver
12-5
2nd LO check
8-3
4 MHz check
8-3
assemblies and associated paths
8-2
check
4-21
directional coupler check
8-7
troubleshooting
8-2
reference assembly VCO tune
adjustment
3-39
reference board (A12)
checking
7-13
reference, crystal reference
frequencies description
12-16
REFLECTION port check
4-8
reflection tracking
(ERF and ERR) description
11-13
uncorrected port performance
11-8
removing
high stability freq. ref. assembly
14-32
LED board
14-30
line fuse
5-8
test port couplers
14-30
the ABT1 battery
14-22
the covers
14-6
the CPU board
14-20
the disk drive assembly (A3)
14-28
the display lamp and assembly
14-12
the fan assembly
14-34
the front panel
14-8
the front panel interface and
keyboard assemblies
14-10
the GSP board
14-26
the preregulator board
14-24
the rear panel assembly
14-14
the rear panel interface board
14-16
the source assembly
14-18
replacing, the line fuse
14-5
return loss
test port cable check
2-9
typical display of test port cables
2-10
RF adapters
recommended Agilent part
numbers
1-4
RF components
problems with
7-22
RF path
isolating fault in
9-5
RF signal of the R-channel
measuring of on ES models
7-10
measuring of on ET models
7-10