Power Supply Assembly A7; Regulator Operation; Volt Supply - HP 3400A Operating And Service Manual

4-36. Power Supply Assembly A7
4-39. Regulator Operation
4-41. +75 Volt Supply
4-43. —17.5 Volt Supply
4-44. The regulated — 17.5 volt supply consists of a full-wave rectifier (CR711, and CR712)
whose output is filtered by C706 and C707 and regulated by Q2. Breakdown diode CR715
4-5/4-6