Agilent Technologies E8257C User Manual

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Troubleshooting
Troubleshooting Assembly–Level Problems
1600 Host <–> BBG Comm
• If the +3.4 VD, +2.6 VD, and +1.9 VD supply voltages are good on the A31 Motherboard, replace
the A14 Baseband Generator.
• If the +3.4 VD or +2.6 VD supply voltages are bad on the A31 Motherboard, check the origin of
the supply.
— If the supply voltage is good at the origin, replace the A31 Motherboard.
— If the supply voltage is bad at the origin, troubleshoot the A19 Power Supply.
• If the +1.9 VD supply voltage is bad on the A31 Motherboard, check the +3.4 VD supply at the
A19 Power Supply.
— If the +3.4 VD supply is good at the A19 Power Supply, replace the A31 Motherboard.
— If the +3.4 VD supply is bad at the A19 Power Supply, troubleshoot A19 Power supply.
1601 Apps 1 <–> Apps 2 Comm
• If the +1.8 VD supply voltage is good on the A31 Motherboard, replace the A14 Baseband
Generator
• If the +1.8 VD supply voltage is bad on the A31 Motherboard, check the +2.6 VD supply at the
A19 Power Supply.
— If the +2.6 VD supply is good at the A19 Power Supply, then replace the A31 Motherboard.
— If the +2.6 VD supply is bad at the A19 Power Supply, then troubleshoot the A19 Power
supply.
1602 Apps 1 <–> SH4 Comm
• Replace the A14 Baseband Generator
1603 Apps 2 <–> SH4 Comm
• Replace the A14 Baseband Generator
1604 FLiegan <–> Apps 2 Comm
• Replace the A14 Baseband Generator
1605 SRAM Test
• Replace the A14 Baseband Generator
1606 SDRAM Test
• Replace the A14 Baseband Generator
1607 Paren <–> SH4 Comm
• Replace the A14 Baseband Generator

Agilent Technologies E8257C Specifications

General

Brand	Agilent Technologies
Model	E8257C
Category	Portable Generator
Language	English