27-3V07 PSU

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Revision as of 21:59, 5 September 2022 by Andrewsawesome (talk | contribs) (Changed to correct capacitor brand and series and added replacement capacitors)
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27-3V07 PSU
Preliminary Information
Leak Risk Medium
Batteries None
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic, Ceramic
Destructive Entry No

This power supply is from a generic portable PC chassis that had branding from a computer shop but no visible manufacturer information. The system had a late SMD style AMD 386 motherboard installed in it.

Known Issues

Sparking Sound and Fish Smell

  • Leaking cap(possibly from C8) fluid boiling from shorted traces

Solutions

  • Clean & recap

Disassembly Notes

PSU is attached with ISA style card edge connector

Original Parts

Main PSU Board

31-1032

Fuse: 250V 6.3A

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Pitch Temp Type Brand Series
C4, C31, C32 3 470uF 16V Through Hole 10mm 85C Electrolytic Panasonic SU
C5, C9 2 47uF 50V Through Hole 6.5mm 85C Electrolytic Panasonic SU
C6 1 2200uF 6,3V Through Hole 12mm 85C Electrolytic Panasonic SU
C7 1 220uF 25V Through Hole 8mm 85C Electrolytic Panasonic SU
C8 1 6800uF 10V Through Hole 16mm 105C Electrolytic Nichicon PL(M)
C11 1 1000uF 16V Through Hole 10mm 105C Electrolytic Nichicon PL(M)
C12, C13 2 4.7uF 50V Through Hole 5mm 85C Electrolytic Panasonic SU
C15, C16, C20 3 1uF 50V Through Hole 5mm 85C Electrolytic Panasonic SU
C18, C21 2 100uF 160V Through Hole 16mm 85C Electrolytic Panasonic SU
C24, C28 2 470uF 35V Through Hole 10mm 85C Electrolytic Panasonic SU
C35, C36 2 680uF 200V Through Hole 30mm 10mm 85C Electrolytic Nichicon LK

Sub-Board

31-1022

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Pitch Temp Type Brand Series
C19 1 2.2uF 50V Through Hole 5mm 85C Electrolytic Panasonic SU
C33 1 10uF 6.3V Through Hole 5mm 85C Electrolytic Panasonic SU

Sub-Board

31-1033

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Pitch Temp Type Brand Series
C43 1 220uF 25V Through Hole 8mm 85C Electrolytic Panasonic SU

Replacement Parts

Main PSU Board

31-1032

Fuse: 250V 6.3A

Capacitors
RefDes Qty Compatible Part Number Order Links
C4, C31, C32 3 860020374012 DigiKey Mouser
C5, C9 2 860010673012 DigiKey Mouser
C6 1 860020275020 DigiKey Mouser
C7 1 860010473011 DigiKey Mouser
C8 1 ECA-1AM682 DigiKey Mouser
C11 1 860020375017 DigiKey Mouser
C12, C13 2 860010672008 DigiKey Mouser
C15, C16, C20 3 ESK105M050AC3AA DigiKey Mouser
C18, C21 2 UVZ2C101MHD(1TO) DigiKey Mouser
C24, C28 2 860010575013 DigiKey Mouser
C35, C36 2 LGW2D681MELA35 / LGU2D681MELA DigiKey Mouser

Sub-Board

31-1022

Capacitors
RefDes Qty Compatible Part Number Order Links
C19 1 860020672006 DigiKey Mouser
C33 1 860010372001 DigiKey Mouser

Sub-Board

31-1033

Capacitors
RefDes Qty Compatible Part Number Order Links
C43 1 860010473011 DigiKey Mouser

Additional Images

References