Index-537
Index
Numerics
50 ohm load, 18
50 ohm/75 ohm minimum loss
pad, 18
A
A10 input attenuator
description, 142
part number, 284
removal, 361, 390
A10 Input Attenuator B
troubleshooting, 152
A11 low band switch
description, 143
part number, 284
removal, 365, 393
A11 Low Band Switch
troubleshooting, 150
A12 YTF
description, 143
part number, 284
removal, 367, 370, 395, 398
A13 front end assembly
troubleshooting, 154
A13 Front End Assembly
Verification, 165
A13 Front End Input
Verification
, 161
A13 RF Front End
Assembly, 381, 406
A13 RF front end assembly
description
, 144
A14 L.O. Synthesizer assembly
removal
, 419
A14 L.O. synthesizer assembly
description, 143
part number, 284
A15 Front End Control
assembly
removal
, 414
A15 front end control assembly
description
, 145, 168
part number, 284
troubleshooting, 171
A16 Reference assembly
removal
, 415
A16 reference assembly
part number
, 284
A1A2 front panel interface
board
part number
, 284
A1A3 LCD
part number, 284
removal, 481
troubleshooting, 63
A1A4 inverter board
part number, 284
A1A5 front panel daughter
board
part number
, 284
A2 Analog IF assembly
removal
, 447
A2 analog IF assembly
description, 186
part number, 284
troubleshooting, 190
A21 Wideband Analog
I.F.assembly
removal
, 417
A21 Wideband Analog IF
Troubleshooting
, 239
A22 and A23 Wideband Digital
I.F.assemblies
removal
, 423
A22 Wideband Digital IF
Troubleshooting
, 245
A24 bottom motherboard
removal
, 465
A27 H1G Assembly, 427
removal, 427
A28 Wideband Extension board
removal, 433
A3 Digital IF assembly
removal
, 447
A3 digital IF assembly
description
, 197
part number, 284
troubleshooting, 200
A4 CPU assembly
description
, 212
part number, 284
removal, 443
troubleshooting, 212
A4A1 CPU memory card
removal, 443
A4A1 memory card
removal, 446
A4BT1 CPU board battery
part number
, 284
post-repair setup, 487
A5 disk drive
description
, 216
troubleshooting, 216
A5 hard disk drive
part number, 284
A5 SSD assembly
removal
, 443
A5 SSD module
removal, 444
A6 power supply
description, 224
part number, 284
troubleshooting, 228
A6 Power Supply assembly
removal, 439
A7 midplane
description, 230
part number, 284
troubleshooting, 233
A7 midplane assembly
part number, 284
A7 rear motherboard
removal, 462
A8 front motherboard
removal
, 455
A8 motherboard
part number, 284
A9 input attenuator
description
, 142
part number, 284
removal, 361, 390
A9 Input Attenuator A and A10
Input Attenuator B
Verification
, 162
A9 Input Attenuator A
troubleshooting
, 152
AC probe, 18
access to service menus, 266
accessories, 17
50 ohm load, 18
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