27-3V07 PSU: Difference between revisions

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{{DeviceAlerts}}
{{DeviceAlerts}}
{{InfoboxDevice
{{InfoboxDevice
|Picture =  
|Picture =27-3V07 PSU.JPG
|Mounting Technology = Through Hole
|Mounting Technology = Through Hole
|Capacitor Types = Aluminum Electrolytic, Ceramic
|Capacitor Types = Aluminum Electrolytic, Ceramic
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===Sparking Sound and Fish Smell===
===Sparking Sound and Fish Smell===
*Broken Solder joints and leaking cap
*Leaking cap fluid boiling from shorted traces
<gallery>
File:27-3V07 PSU-CapLeak.JPG|Leak from capacitor mounted above caused a short on two traces on the bottom causing charring and audible sounds
</gallery>
 
====Solutions====
====Solutions====
*Recap
*Clean & recap


==Disassembly Notes==
==Disassembly Notes==
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==References==
==References==
<references />
<references />
[[Category:Power Supply]]
[[Category:1980s]]
[[Category:WorkNeeded:ReplacementParts]]

Revision as of 14:33, 30 January 2022

27-3V07 PSU
Preliminary Information
Leak Risk Medium
Batteries None
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic, Ceramic
Destructive Entry No

This is a template page for creating new pages for devices, troubleshooting them, part lists, and other repair info.

Known Issues

Sparking Sound and Fish Smell

  • Leaking cap 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
C35, C36 2 680uF 200V Through Hole 30mm 10mm 85C Electrolytic Nichicon CE
C4, C31, C32 3 470uF 16V Through Hole 10mm 85C Electrolytic Nichicon M
C28, C24 2 470uF 35V Through Hole 10mm 85C Electrolytic Nichicon M
C21, C18 2 100uF 160V Through Hole 16mm 85C Electrolytic Nichicon M
C11, 1 1000uF 16V Through Hole 10mm 105C Electrolytic Nichicon PL(M)
C8 1 6800uF 10V Through Hole 16mm 105C Electrolytic Nichicon PL(M)
C6 1 2200uF 6,3V Through Hole 12mm 85C Electrolytic Nichicon M
C5, C9 2 47uF 50V Through Hole 6.5mm 85C Electrolytic Nichicon M
C7 1 220uF 25V Through Hole 8mm 85C Electrolytic Nichicon M
C16, C15, C20 3 1uF 50V Through Hole 5mm 85C Electrolytic Nichicon M
C12, C13 2 4.7uF 50V Through Hole 5mm 85C Electrolytic Nichicon M

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 Nichicon M
C33 1 10uF 6.3V Through Hole 5mm 85C Electrolytic Nichicon M

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 Nichicon M

References