27-3V07 PSU: Difference between revisions

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Line 4: Line 4:
|Mounting Technology = Through Hole
|Mounting Technology = Through Hole
|Capacitor Types = Aluminum Electrolytic, Ceramic
|Capacitor Types = Aluminum Electrolytic, Ceramic
|Leak Risk = Medium
|Leak Risk = High
|Batteries = None
|Batteries = None
|Destructive Entry = No
|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.
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==
==Known Issues==
===Sparking Sound and Fish Smell===
===Sparking Sound and Fish Smell===
*Leaking cap(possibly from C8) fluid boiling from shorted traces
*Leaking cap(possibly from C8) fluid boiling from shorted traces
Line 18: Line 15:
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
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>
</gallery>
====Solutions====
====Solutions====
*Clean & recap
*Clean & recap
==Disassembly Notes==
==Disassembly Notes==
PSU is attached with ISA style card edge connector  
PSU is attached with ISA style card edge connector  
==Original Parts==
==Original Parts==
===Main PSU Board===
===Main PSU Board===
Line 31: Line 25:
Fuse: 250V 6.3A
Fuse: 250V 6.3A
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 43: Line 37:
!Brand
!Brand
!Series
!Series
|-
|C35, C36
|2
|680uF
|200V
|Through Hole
|30mm
|10mm
|85C
|Electrolytic
|Nichicon
|CE
|-
|-
|C4, C31, C32
|C4, C31, C32
Line 65: Line 47:
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C28, C24
|C5, C9
|2
|2
|470uF
|47uF
|35V
|50V
|Through Hole
|Through Hole
|10mm
|6.5mm
|
|
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C21, C18
|C6
|2
|1
|100uF
|2200uF
|160V
|6,3V
|Through Hole
|Through Hole
|16mm
|12mm
|
|
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C11
|C7
|1
|1
|1000uF
|220uF
|16V
|25V
|Through Hole
|Through Hole
|10mm
|8mm
|
|
|105C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|PL(M)
|SU
|-
|-
|C8
|C8
Line 114: Line 96:
|Electrolytic
|Electrolytic
|Nichicon
|Nichicon
|PL(M)
|PL(M)*
|-
|-
|C6
|C11
|1
|1
|2200uF
|1000uF
|6,3V
|16V
|Through Hole
|Through Hole
|12mm
|10mm
|
|
|85C
|105C
|Electrolytic
|Electrolytic
|Nichicon
|Nichicon
|M
|PL(M)*
|-
|-
|C5, C9
|C12, C13
|2
|2
|47uF
|4.7uF
|50V
|50V
|Through Hole
|Through Hole
|6.5mm
|5mm
|
|
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C7
|C15, C16, C20
|1
|3
|220uF
|1uF
|25V
|50V
|Through Hole
|Through Hole
|8mm
|5mm
|
|
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C16, C15, C20
|C18, C21
|3
|2
|1uF
|100uF
|50V
|160V
|Through Hole
|Through Hole
|5mm
|16mm
|
|
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C12, C13
|C24, C28
|2
|2
|4.7uF
|470uF
|50V
|35V
|Through Hole
|Through Hole
|5mm
|10mm
|
|
|85C
|Electrolytic
|Panasonic
|SU
|-
|C35, C36
|2
|680uF
|200V
|Through Hole
|30mm
|10mm
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Nichicon
|M
|LK
|}
|}
<nowiki>*</nowiki>Nichicon PL capacitors will likely leak from the rubber bung (on the bottom) eventually, sometimes making it onto the capacitor leads. Replace as soon as possible.


=== Sub-Board ===
=== Sub-Board ===
''31-1022''
''31-1022''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 202: Line 197:
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|-
|-
|C33
|C33
Line 214: Line 209:
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|}
|}
=== Sub-Board ===
=== Sub-Board ===
''31-1033''
''31-1033''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 243: Line 237:
|85C
|85C
|Electrolytic
|Electrolytic
|Nichicon
|Panasonic
|M
|SU
|}
|}
== Replacement Parts ==
=== Main PSU Board ===
''31-1032''


Fuse: 250V 6.3A
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
!Order Links
|-
|C4, C31, C32
|3
|860020374012 / 16PX470MEFC8X11.5
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020374012/5727036 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020374012?qs=0KOYDY2FL2%252Bw9eSPj%252BT32g%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-16PX470MEFC8X11-5_C88766.html LCSC]
|-
|C5, C9
|2
|860010673012 / 50PX47MEFC6.3X11
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010673012/5726911?s=N4IgTCBcDaIBwDYAMSCMSEHYDMaIF0BfIA DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010673012?qs=0KOYDY2FL2%2FRpUVYaDWBvQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50PX47MEFC6-3X11_C88762.html LCSC]
|-
|C6
|1
|860020275020 / 10YXA2200MEFC10X20
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020275020/5727157 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020275020?qs=0KOYDY2FL29BQUfElVGH5A%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-10YXA2200MEFC10X20_C2940702.html LCSC]
|-
|C7
|1
|860010473011 / 25PX220MEFC6.3X11
|[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.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-25PX220MEFC6-3X11_C88855.html LCSC]
|-
|C8
|1
|10ZLQ6800MEFC12.5X30 / EKYA100ELL682ML25S / EEUFR1A682L
|[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] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_PANASONIC-EEUFR1A682L_C407877.html LCSC]
|-
|C11
|1
|ESC108M016AH4AA / UHD1C102MPD / 16YXJ1000M10X16
|[https://www.digikey.com/en/products/detail/kemet/ESC108M016AH4AA/2712502 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UHD1C102MPD?qs=zfme5ansjiwN6JKJpaK4yg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-16YXJ1000M10X16_C88751.html LCSC]
|-
|C12, C13
|2
|860010672008 / 50PX4R7MEFC5X11
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010672008/5726907?s=N4IgTCBcDaIBwDYAMSCMSEHYwriAugL5A DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010672008?qs=0KOYDY2FL29niWq1HmzX%2Fw%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50PX4R7MEFC5X11_C122950.html LCSC]
|-
|C15, C16, C20
|3
|ESK105M050AC3AA / 50YXJ1M5X11
|[https://www.digikey.com/en/products/detail/kemet/ESK105M050AC3AA/3083011 DigiKey] [https://www.mouser.com/ProductDetail/KEMET/ESK105M050AC3AA?qs=9RUIYXQlAdC9NbyPbBKduA%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50YXJ1M5X11_C88782.html LCSC]
|-
|C18, C21
|2
|UVZ2C101MHD(1TO) / UVR2C101MHD
|[https://www.digikey.com/en/products/detail/nichicon/UVZ2C101MHD1TO/4342072 DigiKey] [https://www.mouser.com/ProductDetail/Nichicon/UVZ2C101MHD?qs=KG5tbIhgvVNGudOMGysqjQ%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Nichicon-UVR2C101MHD_C1580015.html LCSC]
|-
|C24, C28
|2
|860010575013 / 35PX470MEFCT810X12.5
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860010575013/5726984 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860010575013?qs=0KOYDY2FL2%2FsvGEv7084wg%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-35PX470MEFCT810X12-5_C424230.html LCSC]
|-
|C35, C36
|2
|LGW2D681MELA35 / LGU2D681MELA / 250USC680MEFCSN30X30
|[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.lcsc.com/product-detail/Horn-Type-Electrolytic-Capacitors_Rubycon-250USC680MEFCSN30X30_C2843241.html LCSC]
|}
=== Sub-Board ===
31-1022
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
!Order Links
|-
|C19
|1
|860020672006 / 50YXF2R2MEFCT15X11
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020672006/5727089 DigiKey] [https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020672006?qs=0KOYDY2FL28W7SLhCnyRPw%3D%3D Mouser] [https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50YXF2R2MEFCT15X11_C2843283.html LCSC]
|-
|C33
|1
|860010372001 / 50PK10MEFC5X11
|[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.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50PK10MEFC5X11_C109368.html LCSC]
|}
=== Sub-Board ===
31-1033
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
!Order Links
|-
|C43
|1
|860010473011 / 25PX220MEFC6.3X11
|[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.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-25PX220MEFC6-3X11_C88855.html LCSC]
|}
== Additional Images ==
== Additional Images ==
<gallery>
<gallery>
Line 253: Line 346:
File:27-3V07 PSU MainsInputSide.JPG|Mains input side of the power supply
File:27-3V07 PSU MainsInputSide.JPG|Mains input side of the power supply
</gallery>
</gallery>
==References==
==References==
<references />
<references />
[[Category:Power Supply]]
[[Category:Power Supply]]
[[Category:1980s]]
[[Category:1980s]]
[[Category:WorkNeeded:ReplacementParts]]

Latest revision as of 22:25, 1 February 2024

27-3V07 PSU
Preliminary Information
Leak Risk High
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

*Nichicon PL capacitors will likely leak from the rubber bung (on the bottom) eventually, sometimes making it onto the capacitor leads. Replace as soon as possible.

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 / 16PX470MEFC8X11.5 DigiKey Mouser LCSC
C5, C9 2 860010673012 / 50PX47MEFC6.3X11 DigiKey Mouser LCSC
C6 1 860020275020 / 10YXA2200MEFC10X20 DigiKey Mouser LCSC
C7 1 860010473011 / 25PX220MEFC6.3X11 DigiKey Mouser LCSC
C8 1 10ZLQ6800MEFC12.5X30 / EKYA100ELL682ML25S / EEUFR1A682L DigiKey Mouser LCSC
C11 1 ESC108M016AH4AA / UHD1C102MPD / 16YXJ1000M10X16 DigiKey Mouser LCSC
C12, C13 2 860010672008 / 50PX4R7MEFC5X11 DigiKey Mouser LCSC
C15, C16, C20 3 ESK105M050AC3AA / 50YXJ1M5X11 DigiKey Mouser LCSC
C18, C21 2 UVZ2C101MHD(1TO) / UVR2C101MHD DigiKey Mouser LCSC
C24, C28 2 860010575013 / 35PX470MEFCT810X12.5 DigiKey Mouser LCSC
C35, C36 2 LGW2D681MELA35 / LGU2D681MELA / 250USC680MEFCSN30X30 DigiKey Mouser LCSC

Sub-Board

31-1022

Capacitors
RefDes Qty Compatible Part Number Order Links
C19 1 860020672006 / 50YXF2R2MEFCT15X11 DigiKey Mouser LCSC
C33 1 860010372001 / 50PK10MEFC5X11 DigiKey Mouser LCSC

Sub-Board

31-1033

Capacitors
RefDes Qty Compatible Part Number Order Links
C43 1 860010473011 / 25PX220MEFC6.3X11 DigiKey Mouser LCSC

Additional Images

References