Index-4 Service Guide E8364-90026
Index
A45 and A46 reference
transfer switches
, 5-24
A47 RF path coupler, 5-26
A48 LO path coupler
, 5-26
A49 IF multiplexer board
,
5-26
A9 fractional-N synthesizer
board
, 5-24
bias tees, 5-18
configurable test set,
Option 014
, 5-18
CPU board, 5-32
data acquisition subgroup
,
5-32
detectors
, 5-17
digital control group
, 5-29
digital processor group
, 5-29
display assembly, 5-31
first converters
, 5-21
fixed attenuators
, 5-17
floppy disk drive, 5-33
fractional-N synthesizer board
assembly
, 5-8
frequency offset group, 5-24
front panel interface board
,
5-31
front panel subgroup, 5-31
hard disk drive
, 5-33
IF access group
, 5-26
IF multiplexer board, 5-21
keypad assembly
, 5-31
LODA
, 5-9
main RAM, 5-32
mixers
, 5-21
multiplier/amplifier assembly
,
5-9
phase lock board assembly
,
5-10
processing subgroup
, 5-32
receiver group
, 5-21
receiver modules
, 5-21
receiver motherboard
, 5-23
receiver step attenuators
, 5-18
signal separation group
, 5-16
SOMA 50
, 5-11
source 20 assembly
, 5-10
source group
, 5-6
source step attenuators
, 5-18
SPAM board–analog
, 5-23
SPAM board–digital
, 5-32
splitter assembly
, 5-9
switch splitter
, 5-16
test port couplers
, 5-17
test set motherboard, 5-12
USB hub
, 5-33
options
, 2-3
rear panel
interconnects
, 5-10, 5-12,
5-26, 5-33
rear panel replaceable parts
illustrated
, 6-77
part numbers
, 6-76
strap handle
illustrated
, 6-75
part number
, 6-74
system, 5-3
system block diagram
, 5-3
system operation
theory of
, 5-3
upgrades
, 2-7
warmup time
, 3-4
ANSI/NCSL Z540-1-1994
verification, 3-9
ANSI/NCSL Z540–1–1994
non-type verification, 3-10
assemblies
location of part numbers, 6-8
rebuilt-exchange
procedure
, 6-5
rebuilt-exchange program
, 6-5
replacement
cautions about
, 7-3
list of procedures
, 7-4
sequence, 6-4, 7-3
warnings about
, 7-3
attenuator bracket
illustrated, 6-69, 6-71
part number, 6-68, 6-70
attenuators
receiver
operation
, 5-18
required for servicing, 2-10
source
operation
, 5-18
step, 35-dB receiver
illustrated
, 6-37, 6-39, 6-43
part number
, 6-36, 6-38, 6-40,
6-56, 6-60
step, 60-dB source
illustrated
, 6-25, 6-27, 6-33,
6-35, 6-37, 6-39, 6-43,
6-49, 6-51, 6-53, 6-55,
6-57, 6-59, 6-61, 6-63
part number
, 6-24, 6-26, 6-32,
6-36, 6-38, 6-40, 6-48,
6-52, 6-56, 6-60
attenuators, 30-dB
removal and replacement
procedure
, 7-44
attenuators, fixed, 30-dB
illustrated, 6-21
part number, 6-20
removal and replacement
illustrated
, 7-45
procedure, 7-44
AUX I/O connector
pin assignments, 5-15
rear panel
, 5-12
B
B channel
attenuator
removal and replacement
,
7-68
troubleshooting, 4-31
typical power output
, 4-49
B receiver module
troubleshooting, 4-53
B trace
troubleshooting, 4-31, 4-34
B1 fan
removal and replacement, 7-74
band failure, all
, 4-33
band modes
source group
configurations, 5-6
operation
, 5-6
troubleshooting
any band for A12
, 4-56
band 2
, 4-44, 4-55
bands 0 and 1
, 4-44
bands 0 and 1 for A9, 4-55
bands 3–25
, 4-45
bands 3–25 for A9
, 4-56
band related failure
, 4-33
battery
cpu battery disposal, 1-8
removal and replacement
illustrated
, 7-79
procedure, 7-78
battery disposal
, 1-8
before applying power
, 1-3
bias tee
port 1
illustrated
, 6-25, 6-27, 6-33,
6-35, 6-37, 6-39, 6-43,
6-49, 6-51, 6-53, 6-55,
6-57, 6-59, 6-61, 6-63
part number
, 6-24, 6-26, 6-32,
6-36, 6-38, 6-40, 6-48,
6-52, 6-56, 6-60
port 2
illustrated
, 6-25, 6-27, 6-33,
6-35, 6-37, 6-39, 6-43,
6-49, 6-51, 6-53, 6-55,
6-57, 6-59, 6-61, 6-63
part number
, 6-24, 6-26, 6-32,
6-36, 6-38, 6-40, 6-48,
6-52, 6-56, 6-60
bias tee bracket
illustrated, 6-69, 6-71
part number, 6-68, 6-70
bias tee, port 1