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ZX Spectrum +2: Difference between revisions
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*''Comments:'' Presumably the earliest versions of this board were created prior to the Sinclair takeover | *''Comments:'' Presumably the earliest versions of this board were created prior to the Sinclair takeover | ||
*''Place of manufacture: ''These boards appear to have been manufactured in Taiwan, this is embossed on the underside of the case. | *''Place of manufacture: ''These boards appear to have been manufactured in Taiwan, this is embossed on the underside of the case. | ||
*''Date of manufacture (batch):'' The date code for the PCB batch is recorded on the top right corner on the rear of the PCB in the traces, in this case 32nd Week of 1986: | *''Date of manufacture (batch):'' The date code for the PCB batch is recorded on the top right corner on the rear of the PCB in the traces, in this case 32nd Week of 1986: [http://cl.ly/image/2R2Q2G1R1x0c/Screenshot%202015-09-03%2009.17.16.png] | ||
[http://cl.ly/image/2R2Q2G1R1x0c/Screenshot%202015-09-03%2009.17.16.png] | |||
*''Distinguishing features: ''Fitted with radial capacitors, 2 bodge resistors and a capacitor on the rear of the PCB. | *''Distinguishing features: ''Fitted with radial capacitors, 2 bodge resistors and a capacitor on the rear of the PCB. | ||
*''Problems:'' | *''Problems:'' | ||
[http://www.benophetinternet.nl/hobby/vanmezelf/ZX%20Spectrum%20128K%20video%20fixes%20and%20video%20cables.pdfRequires TR4 mod for misplaced transistor.] | **[http://www.benophetinternet.nl/hobby/vanmezelf/ZX%20Spectrum%20128K%20video%20fixes%20and%20video%20cables.pdfRequires TR4 mod for misplaced transistor.] | ||
*''Variants:'' | *''Variants:'' | ||
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*3886 (1986 Week 38): Bodge resistor on bottom left hand corner of the board (R86?) | *3886 (1986 Week 38): Bodge resistor on bottom left hand corner of the board (R86?) | ||
*8640 (1986 Week 40): Colour of capacitors change [http://benophetinternet.nl/hobby/vanmezelf/20130605_153957.jpg] (Ben Verstee) | *8640 (1986 Week 40): Colour of capacitors change [http://benophetinternet.nl/hobby/vanmezelf/20130605_153957.jpg] (Ben Verstee) | ||
*8645 (1986 Week 45): Colour of capacitors change, different diodes, changes to resistors in bottom left corner of the board | *8645 (1986 Week 45): Colour of capacitors change, different diodes, changes to resistors in bottom left corner of the board [http://www.tomdalby.com/retro/images/+2_inside.jpg] (Tom Dalby) | ||
''Serial numbers:'' | ''Serial numbers:'' | ||