Keysight Technologies E8257D - Page 28

28 E8257D/67D, E8663D PSG Signal Generators Service Guide
Troubleshooting
Self–Test Failures and Related Troubleshooting
A14 Baseband Generator “Self–Tests 16xx for the A14 Baseband Generator (Option
601/602)” on page 92
1600 Host <–> BBG Comm
1601 Apps 1 <–> Apps 2 Comm
1602 Apps 1 <–> SH4 Comm
1603 Apps 2 <–> SH4 Comm
1604 FLiegan <–> Apps 2 Comm
1605 SRAM Test
1606 SDRAM Test
1607 Paren <–> SH4 Comm
1608 VCO Tune Test
1609 IQ DAC Output
1610 PLL Test
A8 Output “Self–Tests 22xx: A8 Output Self–Test Errors” on page 95
2200 Ground and PTAT Test
2201 Prelevel Loop Test
2202 Switched Filters Test
2203 ALC Mod System Test
2204 Pulse Mod System Test
2205 RF Path Test
2206 Het Band Test
A38 Lowband Filter “Self–Tests 24xx: A38 Lowband Filter Self–Test Errors” on page 97
2400 Power Supply Test
2401 RF Path Test
2402 Lowband Amp/Filter Power Supply
2403 RF Path
A43 Lowband Amp “Self–Tests 25xx: A43 Amp Filter Self–Test Errors” on page 98
2500 lowband Amp/Filter Power Supply
2501 RF Amp Test
2502 Filter Path Test
2503 Pulse Modulator Test
2504 Step Attenuator Test
2505 Divider On/Off Test
A8 Output “Self–Tests 26xx: A8 Output Self–Test Errors” on page 100
2600 Power Supply Tests
2601 Prelevel Loop Test
2602 ALC Modulator Test
2603 Pulse Modulator Test
2604 Clamp Detector Test
2605 Bias Switch Test
Table 1-4 Self–test Failures and Related Troubleshooting (Continued)
If this self–test fails... Go to this troubleshooting section...