Dyna Comp DCF 353 Power Supply
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Dyna Comp DCF 353
| Preliminary Information | |
|---|---|
| Leak Risk | High |
| Mounting Technology | Through Hole |
| Capacitor Types | Aluminum Electrolytic, Ceramic |
| Destructive Entry | No |
| Power Requirements | |
| Input Voltage | 100-240V AC |
Power supply used in the Apple Macintosh LC line of computers. Apple Part Number: 614-0028.
Input: 100-240V 50/60Hz 1.2A
Output:
- +5V 4.75A
- -5V 0.075A
- +12V 1.0A
Disassembly Notes
- Requires only regular Philips screwdrivers.
- The component leads and wires are bent over each other, and soldered together with larger blobs, making the removal of the capacitors harder than usual.
Original Parts
Power Supply Board
Note model numbers and board revisions here
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C7 | 180 µF | 400 V | Snap In | 30 mm | 26 mm | 10 mm | 85 °C | Electrolytic | Nippon Chemi-Con | SMH | |
| C9 | 33 µF | 35 V | Through Hole | 5.3 mm | 12 mm | 105 °C | Electrolytic | ||||
| C15 | 330 µF | 35 V | Through Hole | 10 mm | 20 mm | 105 °C | Electrolytic | ||||
| C16 | 82 µF | 35 V | Through Hole | 6.5 mm | 15 mm | 105 °C | Electrolytic | ||||
| C18 | 2200 µF | 10 V | Through Hole | 12.7 mm | 25 mm | 105 °C | Electrolytic | Nippon Chemi-Con/United Chemi-Con | LXY | ||
| C19 | 1000 µF | 10 V | Through Hole | 10 mm | 20 mm | 105 °C | Electrolytic | ||||
| C20 | 1000 µF | 10 V | Through Hole | 10 mm | 20 mm | 105 °C | Electrolytic | ||||
| C21 | 82 µF | 35 V | Through Hole | 6.5 mm | 15 mm | 105 °C | Electrolytic | ||||
| C22 | 82 µF | 35 V | Through Hole | 6.5 mm | 15 mm | 105 °C | Electrolytic | ||||
| C26 | 10 µF | 35 V | Through Hole | 5.3 mm | 11 mm | 85 °C | Electrolytic |
| RefDes | Qty | Part Number/Model Number | Manufacturer (If Applicable) | Explanation | Datasheet |
|---|---|---|---|---|---|
| U1 | 1 | UC3842AN | Motorola Semiconductor | Flyback Switching Controller | UC3842A |
| U6 | 1 | LM393N | STMicroelectronics | Low Offset Voltage Dual Comparator | :LMx93N |
| U2, U3 | 2 | PC817 | Sharp | Optoisolator | DPC817 |
Replacement Parts
Power Supply Board
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C7 | 1 | LGW2G181MELB25 | DigiKey Mouser LCSC |
| C18 | 1 | EKY-100ETD222MK20S | DigiKey Mouser LCSC |
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| 1 | UAC3842AN | Digikey Mouser LCSC | |
| 1 | LM393N/NOPB | DigiKey Mouser LCSC | |
| 2 | DPC817-A-TU / PC817C | DigiKey Mouser LCSC |
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.
Kits
- Digikey BOM: https://www.digikey.com/
Related Links
Alternative PSU used by Apple in the same computers