27-3V07 PSU: Difference between revisions

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(Changed to correct capacitor brand and series and added replacement capacitors)
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|SU
|SU
|}
|}
== Replacement Parts ==
== Replacement Parts ==
=== Main PSU Board ===
=== Main PSU Board ===
''31-1032''
''31-1032''
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|C8
|C8
|1
|1
|ECA-1AM682
|10ZLQ6800MEFC12.5X30 / EKYA100ELL682ML25S
|[https://www.digikey.com/en/products/detail/panasonic-electronic-components/ECA-1AM682/244990 DigiKey] [https://www.mouser.com/ProductDetail/Panasonic/ECA-1AM682?qs=QrYNfmA0esY644DVoz7%252BNQ%3D%3D Mouser]
|[https://www.digikey.com/en/products/detail/rubycon/10ZLQ6800MEFC12-5X30/6050001 DigiKey] [https://www.mouser.com/ProductDetail/United-Chemi-Con/EKYA100ELL682ML25S?qs=IYueExuAvkqoo0DQ1fCfrg%3D%3D Mouser]
|-
|-
|C11
|C11
|1
|1
|860020375017
|ESC108M016AH4AA / UHD1C102MPD
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020375017/5727041 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020375017?qs=0KOYDY2FL2%252BnTguXhGt7pQ%3D%3D Mouser]
|[https://www.digikey.com/en/products/detail/kemet/ESC108M016AH4AA/2712502 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UHD1C102MPD?qs=zfme5ansjiwN6JKJpaK4yg%3D%3D Mouser]
|-
|-
|C12, C13
|C12, C13
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|[https://www.digikey.com/en/products/detail/nichicon/LGW2D681MELA35/1966746 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/LGU2D681MELA?qs=sGAEpiMZZMvwFf0viD3Y3dQpaEORnJu0%2FhJsJUWhZa8%3D Mouser]
|[https://www.digikey.com/en/products/detail/nichicon/LGW2D681MELA35/1966746 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/LGU2D681MELA?qs=sGAEpiMZZMvwFf0viD3Y3dQpaEORnJu0%2FhJsJUWhZa8%3D Mouser]
|}
|}
=== Sub-Board ===
=== Sub-Board ===
31-1022
31-1022
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|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010372001/5726842 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010372001?qs=0KOYDY2FL29NKHIi2kspeA%3D%3D Mouser]
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010372001/5726842 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010372001?qs=0KOYDY2FL29NKHIi2kspeA%3D%3D Mouser]
|}
|}
=== Sub-Board ===
=== Sub-Board ===
31-1033
31-1033
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|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010473011/5726882 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010473011?qs=0KOYDY2FL2%252Bm07azjhm%2FHQ%3D%3D Mouser]
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010473011/5726882 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010473011?qs=0KOYDY2FL2%252Bm07azjhm%2FHQ%3D%3D Mouser]
|}
|}
== Additional Images ==
== Additional Images ==
<gallery>
<gallery>

Revision as of 22:18, 5 September 2022

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
  • Leak from capacitor mounted above caused a short on two traces on the bottom causing charring and audible sounds

    Leak from capacitor mounted above caused a short on two traces on the bottom causing charring and audible sounds

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 10ZLQ6800MEFC12.5X30 / EKYA100ELL682ML25S DigiKey Mouser
C11 1 ESC108M016AH4AA / UHD1C102MPD 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

  • DC Output ratings label. This power supply also provides some voltages used for the CRT driving electronics in the computer.

    DC Output ratings label. This power supply also provides some voltages used for the CRT driving electronics in the computer.

  • DC output side of the power supply

    DC output side of the power supply

  • Mains input side of the power supply

    Mains input side of the power supply

References

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