Index
Service Guide N5227-90001 Index-11
switch, reference mixer
See A37
synthesized source
functional description of, 5-5
operation, 5-7
synthesizer bandwidth
adjustment, 3-41
system
adjustments, 3-1, 3-39
EE default, 3-46
frequency at 10 MHz
, 3-40
getting ready
, 3-4
IF gain, 3-41
receiver calibration
, 3-44
receiver characterization
, 3-46
source calibration
, 3-42
synthesizer bandwidth
, 3-41
checks
, 3-1
getting ready
, 3-4
motherboard
illustrated
, 6-17
operation
, 5-33
part number
, 6-16
removal and replacement
, 7-11, 7-13
operating
recovery
, 8-18
specifications
, 3-6
verification, 3-1, 3-6, 3-19
dialog box
, 3-23
example of results
, 3-26, 3-27
failure flowchart, 3-25
failure of
, 3-25
getting ready
, 3-4
interpreting results, 3-26
performing
, 3-22
procedure
, 3-23
what it verifies
, 3-19
T
test
calibration coefficients, 3-37
dynamic accuracy
, 3-38
frequency accuracy, 3-32
noise floor
, 3-36
performance
frequency accuracy
, 3-32
source maximum power output
,
3-30
source power accuracy, 3-29
test port maximum power output
,
3-30
test port power accuracy, 3-29
receiver compression
, 3-34
source power linearity
, 3-31
test port output power linearity, 3-31
trace noise
, 3-33
test equipment
required for service, 2-5
required for servicing
, 2-5
test port
cable checks
connector repeatability failure
, 3-18
dynamic accuracy test
, 3-38
maximum output power test, 3-30
noise floor test
, 3-36
output power accuracy test
, 3-29
output power linearity test, 3-31
test port 1
70 GHz doubler
See A60
bias tee
See A42
coupler
See A33
receiver coupler
See A29
receiver step attenuator
See A46
source step attenuator
See A38
test port 2
70 GHz doubler
See A63
bias tee
See A45
coupler
See A36
receiver coupler
See A32
receiver step attenuator
See A49
source step attenuator
See A41
test port 3
70 GHz doubler
See A61
bias tee
See A43
coupler
See A34
receiver coupler
See A30
receiver step attenuator
See A47
source step attenuator
See A39
test port 4
70 GHz doubler
See A62
bias tee
See A44
coupler
See A35
receiver coupler
See A31
receiver step attenuator
See A48
source step attenuator
See A40
test port cable
checks, 3-10
accessories used in, 3-12
connector repeatability
, 3-17
insertion loss
, 3-14
insertion loss failure, 3-14
magnitude and phase stability
, 3-15
magnitude and phase stability
failu
re
, 3-16
performing
, 3-12
return loss
, 3-13
return loss failure
, 3-13
test port coupler
troubleshooting, 4-38
TEST SET I/O
connector
pin assignments
, 5-17
rear panel, 5-16
test set motherboard
See A23
tests
adjustments, 3-39
performance
, 3-7, 3-28
source group
, 4-30
tools
service, part numbers, 6-82
top assembly
replaceable cables, all
illustrated
, 6-19
part numbers, 6-18
replaceable parts
illustrated
, 6-73, 6-75
part numbers, 6-16, 6-17, 6-74
touch screen
illustrated, 6-12
parts list
, 6-11
removal and replacement
procedure
, 7-9
trace noise
test, 3-33
traceability
measurement, 3-21
path
, 3-21
traces A, B, R1, and R2
troubleshooting, 4-29
traces C, D, R3, and R4
troubleshooting, 4-29
trim strip, filler
front panel
illustrated
, 6-10
part number, 6-9
troubleshooting
A1 front panel interface board, 4-12,
4-13
A10 26.5 GHz source 2 board, 4-33
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