Macintosh Color Classic: Difference between revisions
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|align=left|[https://www.mouser.com/ProductDetail/KEMET/T491D107K006AT?qs=w5406s2IEAdNimxlmKTezA%3D%3D Mouser] | |align=left|[https://www.digikey.com/en/products/detail/kemet/T491D107K006AT/2336314 DigiKey] [https://www.mouser.com/ProductDetail/KEMET/T491D107K006AT?qs=w5406s2IEAdNimxlmKTezA%3D%3D Mouser] | ||
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Latest revision as of 14:44, 6 July 2022
| This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables | 
|
Macintosh Color Classic
| Preliminary Information | |
|---|---|
| Release Year | 1993 |
| Leak Risk | High |
| Batteries | Yes |
| Mounting Technology | Through Hole (Analog Board), SMD (Logic Board) |
| Capacitor Types | Aluminum Electrolytic |
| Destructive Entry | No |
| Hardware Specifications | |
| CPU | Motorola 68030 @ 16 or 33 MHz |
| Memory Capacity | 4 MB Onboard, Upgradable to 10 MB |
| Graphics | Onboard |
| Sound | Onboard |
| CRT Guides | |
| General Information · Repair Cautions | |
The original Macintosh Color Classic, was sold by Apple Computer from February 1993 to May 1995. Like all Macintoshes of its era, its original surface-mount electrolytic capacitors leak their contents and require replacing for both functionality and to protect critical traces on its circuit board from being eaten by electrolyte.
Known Issues
Maxell Battery "Bombs"
- Causes
- Apple placed a small lithium battery on the Macintosh Color Classic's Logic Board to power and preserve the contents of the Parameter RAM (PRAM). Apple used a number of different brands of battery for this purpose, one of which is Maxell. Maxell lithium batteries are notorious for rupturing in storage and spewing its highly corrosive contents all over the board. If your Macintosh Color Classic is still intact with its original PRAM battery, THE BATTERY MUST BE REMOVED IMMEDIATELY, even if it is not Maxell brand.
- Solutions
- Macintosh Color Classics with exploded PRAM batteries are pretty much irreparable, save for replacing the entire Logic Board.
Original Parts
820-0367-C Logic Board
| RefDes | Qty | Capacitance | Voltage | Mount | Size | Type | Brand |
|---|---|---|---|---|---|---|---|
| C2, C3 | 2 | 100 | 6.3 | SMD | Aluminum Electrolytic | Anonymous | |
| C4, C5, C6, C9, C10, C11 | 6 | 47 | 16 | SMD | Aluminum Electrolytic | Anonymous | |
| C8 | 1 | 10 | 16 | SMD | Aluminum Electrolytic | Anonymous |
Replacement Parts
Revision 630-4198-11 Logic Board
| RefDes | Qty | Capacitance (µF) | Voltage (V) | Mount | Size | Type | Brand | Series | Distributor Link(s) |
|---|---|---|---|---|---|---|---|---|---|
| C2, C3 | 2 | 100 | 6.3 | SMD | 7.3mm L | Tantalum | KEMET | T491 | DigiKey Mouser |
| C4, C5, C6, C9, C10, C11 | 6 | 47 | 16 | SMT | 7.3mm L | Tantalum | KEMET | T491 | DigiKey Mouser |
| C8 | 1 | 10 | 16 | SMT | 6mm L | Tantalum | KEMET | T491 | DigiKey Mouser |
References
- ↑ "Macintosh Color Classic". TechWiki. Console5.com.
- ↑ 2.0 2.1 "Macintosh Colo(u)r Classic". Recap-a-Mac.