IBM PS/2 P70 PSU
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- For more information, see this article's corresponding Wikipedia page: Device.
| Preliminary Information | |
|---|---|
| Leak Risk | High |
| Batteries | None |
| Destructive Entry | No |
Known Issues
Symptom or Problem Encountered
Causes
- Computer powers up normally and POSTs when turned on after being off for a period of time. If it is turned off and turned on again in short time frame, screen and power light blinks for a second and goes off. No shorts seen on motherboard or through power supply connector
Solutions
- Full recap of power supply solved this issue and computer starts normally every time. Notably there were no visually obvious bad caps.
Disassembly Notes
- Rivets will need to be drilled out
Original Parts
Basic PCB Name
| RefDes | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|
| C009 | 2.2 µF | 400V | ||||||||
| C014 | 47 µF | 50V | ||||||||
| C016 | 390 µF | 250V | ||||||||
| C017 | 390 µF | 250V | ||||||||
| C021 | 2.2 µF | 50V | ||||||||
| C023 | 33 µF | 25V | ||||||||
| C024 | 1 µF | 50V | ||||||||
| C103 | 330 µF | 35V | ||||||||
| C104 | 1800 µF | 10V | ||||||||
| C105 | 33 µF | 250V | ||||||||
| C106 | 1800 µF | 10V | ||||||||
| C109 | 1800 µF | 10V | ||||||||
| C111 | 47 µF | 35V | ||||||||
| C112 | 100 µF | 25V | ||||||||
| C113 | 470 µF | 16V | ||||||||
| C114 | 1800 µF | 10V | ||||||||
| C118 | 10 µF | 50V | ||||||||
| C120 | 10 µF | 50V | ||||||||
| C121 | 10 µF | 50V | ||||||||
| C122 | 2.2 µF | 50V | ||||||||
| C123 | 330 µF | 25V | ||||||||
| C124 | 2.2 µF | 50V | ||||||||
| C128 | 470 µF | 16V | ||||||||
| C137 | 10 µF | 250V | ||||||||
| C204 | 2.2 µF | 50V |
Replacement Parts
Basic PCB Name
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| Digikey |
If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.