Keysight Technologies E8257D - Assemblies that You Can Replace

254 E8257D/67D, E8663D PSG Signal Generators Service Guide
Assembly Replacement
Assemblies That You Can Replace
Assemblies That You Can Replace
— “Outer Instrument Cover” on page 258
— “Inner Instrument Cover” on page 260
— “Front Panel” on page 262
— “A1 Keyboard” on page 266
— “A2 Display” on page 269
— “A2DS1 Display Backlight (serial number prefix < US/MY5XXX3XXX only)”
on page 272
— “A3 Power Switch” on page 274
— “A4 Inverter (serial number prefix < US/MY5XXX3XXX only)” on page 277
— “A5 Sampler, A6 Frac–N, A7 Reference (Standard and Option
UNR/UNX/UNY), A8 Output, A45 Frac-N and A46 Offset” on page 279
— “A9 YIG Driver” on page 281
— “A10 ALC” on page 283
— “A11 Pulse/Analog Modulation Generator” on page 285
— “A12 Pulse Modulator Board” on page 287
— “A13 I/Q MUX (E8267D Standard or with Option 015) (Serial Prefixes
<US4722/MY4722)” on page 289
— “A13 I/Q MUX (E8267D Standard or with Option H16/016) (Serial Prefixes
≥ US4722/MY4722)” on page 291
— “A14 Baseband Generator (E8267D Only)” on page 293
— “A17 Baseband Generator Interface (E8267D Only)” on page 295
— “A18 CPU” on page 297
— “A18BT1” on page 299
— “A19 Power Supply” on page 301
— “A20 SMI (Source Module Interface)” on page 304
— “A21 Rear–Panel Interface” on page 306
— “A22 Line Module” on page 308
— “A23 Lowband Coupler/Detector” on page 310
— “A24 20 GHz Highband Coupler (Options 503, 509, 513, 520, and 521)” on
page 312
— “A24 50 GHz Highband Coupler (Options 532 and 544)” on page 319
— “A24 67 GHz Highband Coupler (Options 550 and 567)” on page 321