Sinclair Spectrum: Difference between revisions
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Sandorfarkas (talk | contribs) m (That is a typo, C44 is listed along with C45 in row 3 and C34 which has capacitance 22µF was missing.) |
Amminadabz (talk | contribs) (Added general info.) |
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The | {{WikipediaInfoAlt|ZX Spectrum}} {{DeviceAlerts}}The ZX Spectrum from [[wikipedia:Sinclair_Research|Sinclair Research]] was introduced in 1982 and sold up until 1992, becoming the bestselling home computer in the UK until it lost its title to the Raspberry Pi. It is based on a Zilog Z80A 8-bit microprocessor and came with 16 or 48 KB of RAM. It could produce 15 different colors at a resolution of 256×192.{{InfoboxDevice | ||
{{InfoboxDevice | |||
|Title = Sinclair Spectrum | |Title = Sinclair Spectrum | ||
|Picture =Sinclair spectrum 48k.png | |Picture =Sinclair spectrum 48k.png | ||
| Line 12: | Line 8: | ||
|Batteries = None | |Batteries = None | ||
|Destructive Entry = No | |Destructive Entry = No | ||
}} | |CPU=Z80A|Memory=16-48 kB|Graphics=15 colors, 256×192}} | ||
==Known Issues== | ==Known Issues== | ||
| Line 255: | Line 251: | ||
==References== | ==References== | ||
<references /> | <references /> | ||
[[Category:Computer]] | [[Category:Computer]] | ||
[[Category:Motherboard]] | [[Category:Motherboard]] | ||
[[Category:Microcomputer]] | [[Category:Microcomputer]] | ||
[[Category:1980s]] | [[Category:1980s]] | ||
[[Category:Sinclair]] | |||
Revision as of 00:46, 26 May 2024
- For more information, see this article's corresponding Wikipedia page: ZX Spectrum. The ZX Spectrum from Sinclair Research was introduced in 1982 and sold up until 1992, becoming the bestselling home computer in the UK until it lost its title to the Raspberry Pi. It is based on a Zilog Z80A 8-bit microprocessor and came with 16 or 48 KB of RAM. It could produce 15 different colors at a resolution of 256×192.
Sinclair Spectrum
| Preliminary Information | |
|---|---|
| Release Year | 1982 |
| Leak Risk | Medium |
| Batteries | None |
| Mounting Technology | Through Hole, Sockets |
| Capacitor Types | Aluminum Electrolytic, Ceramic, Polymer |
| Destructive Entry | No |
| Hardware Specifications | |
| CPU | Z80A |
| Memory Capacity | 16-48 kB |
| Graphics | 15 colors, 256×192 |
Known Issues
Symptom or Problem Encountered
Causes
- Description of cause
Solutions
- Solution to the problem
Disassembly Notes
A Spectrum 48K is easy to disassemble:
Remove the five screws from the back. Carefully open the case then lift the front edge you will see the keyboard connections to the motherboard, ease these connections out because they are easily damaged. Note that if the Keyboard is the original it is likely to be non-functional.
Original Parts
Spectrum motherboard Issue 2.
Note the reversed polarity on the silk screen for capacitor C46.
| Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Temp | Type | Brand | Series | |
|---|---|---|---|---|---|---|---|---|---|---|
| C25,C28,C34,C47,C50,C65 | 6 | 22 µF | 16 V | Axial | 4.8 mm Dia. | 12 mm | 85 °C | Aluminum Electrolytic | Gelec | |
| C27,C46 | 2 | 1 µF | 50 V | Axial | 4.8 mm Dia. | 12 mm | 85 °C | Aluminum Electrolytic | Gelec | |
| C44,C45 | 2 | 100 µF | 16 V | Axial | 6.5 mm Dia. | 16 mm | 85 °C | Aluminum Electrolytic | Gelec |
Replacement Parts
Spectrum motherboard Issue 2
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C25, C28, C34, C47, C50, C65 | 6 | 860020372002 / 50YXF22MEFCTA5X11 | Digikey Mouser LCSC |
| C27, C46 | 2 | 860020672005 / 50YXF1MEFCTA5X11 | DigiKey Mouser LCSC |
| C44, C45 | 2 | 860010372006 / 16PX100MEFC5X11 | DigiKey Mouser LCSC |
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C25, C28, C34, C47, C50, C65 | 6 | MAL213835229E3 | Digikey Mouser |
| C27, C46 | 2 | 105TTA050M | DigiKey Mouser |
| C44, C45 | 2 | 107BPA016M | DigiKey Mouser |
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.
Original Parts
Spectrum motherboard Issue 3
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|
| C25,C28,C34,C47,C50,C65 | 6 | 22 µF | 25 V | Axial | 4.8mm | 12 mm | 85 °C | Aluminum Electrolytic | Philips | |
| C27,C46 | 2 | 1 µF | 50 V | Axial | 4.8 mm Dia. | 12 mm | 85 °C | Aluminum Electrolytic | Gelec | |
| C44,C45 | 2 | 100 µF | 16 V | Axial | 6.5 mm Dia. | 16 mm | 85 °C | Aluminum Electrolytic | Gelec | |
| C74 | 1 | 4.7 µF | 50 V | Axial | 4.8 mm Dia. | 12 mm | 85 °C | Aluminum Electrolytic | Philips |
Replacement Parts
Spectrum motherboard Issue 3
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C25, C28, C34, C47, C50, C65 | 6 | 860010472003 / 50YXF22MEFCTA5X11 | Digikey Mouser LCSC |
| C27, C46 | 2 | 860020672005 / 50YXF1MEFCTA5X11 | DigiKey Mouser LCSC |
| C44, C45 | 2 | 860010372006 / 16PX100MEFC5X11 | DigiKey Mouser LCSC |
| C74 | 1 | 860020672008 / 50PX4R7MEFC5X11 | DigiKey Mouser LCSC |
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| C25, C28, C34, C47, C50, C65 | 6 | MAL203036229E3 | Digikey Mouser |
| C27, C46 | 2 | 105TTA050M | DigiKey Mouser |
| C44, C45 | 2 | 107BPA016M | DigiKey Mouser |
| C74 | 1 | 475TTA050M | DigiKey Mouser |
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.