V86P PSU Internals
Internal photographs of the Victor V86P PSU, thanks to StickByDos on the vogons.org
- The diode on the underside is an FR103
- Q1 is marked BUW13A
- Q3 is marked C3345
- Q4 is marked C2001
- D15 is marked FES8CT
- SCR1 is marked RIC126M
- SHR is marked TL431C
- R24 and R24 are 220 ohm
- R28 is 68 5% (located between SCR1 and C23)
- R31 is 68 ohm (vertically mounted by Va)
- R37 is 1k 5% (located between Q3 and Q4)
- C18 is 3.3µF 50V
- C20 and C21 are 2200µF 16V
- C23 is 1µF 50V
- Z3 markings are hard to read, but measures 8.6V
Voltages on Va, Vb, Vc with the laptop connected, powered off, and battery disconnected:
- Va 8.63V
- Vb 8.11V
- Vc 7.35V
Datasheets for semiconductors: