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Datacorder "on strike" on my 128k +2AHi, I have a problem with the built-in datacorder on my +2A : The sound became "noisy" with cracks... Giving the tape recorder a little hit was the…
... chip for the tape deck PCB. It's a quad op ... -
On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
... give here is "watch the PCB tracks lifting". I've noticed ... -
On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
... some sneaky wiring under the pcb wouldnt solve the lifted tracks ... -
On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
... that a fault with the PCB itself such as a short ... -
It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
Yes, and PCB layout files... but I want ... />
The caveat on the PCB layout is that I'm ... -
It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
... and deposited it on the PCB, and with some snipe nose ... -
It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
... and deposited it on the PCB, and with some snipe nose ... -
Bargain[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120105608322&ssPageName=ADME:B:SS:UK:1[/url]
... layout of the components. This PCB is designed to accept ceramic ... on the base of the PCB on UK machines is on ... -
It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …
... 74LS244 very nicely for a PCB (so I always used LS245s ... -
Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... enable. (I may update the PCB layout so that M1 can ... -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
i now have a pretty good photograph of the pcb showing the mod, is there anyway i can post the picture in this thread ? -
ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
Thanks guys - It just looks completely different to any other zx81 pcb ive seen.
So its a standard 1K factory issue zx81 ? -
Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... enable. (I may update the PCB layout so that M1 can ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... | | | |--o-|__|-+--O -> To PCB GND
| |==| |
|_ ... ____|--o---------O -> To PCB -NMI
[/code] ... /> | | | |--o---------O -> To PCB GND
| |==| |
|_ ... ____|--o---------O -> To PCB -NMI
[/code]Er ... -
NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …
... |
| | | |--+-|__|-+--O -> To PCB GND
| |==| |
|_| ... |____|------------O -> To PCB -NMI
[/code]Marcelo.[/QUOTE ... floating' aside (free from the PCB, but in the case of ... wires to connect to the PCB. This can be a ... -
GrrrThere's nothing more annoying than finding out that you've managed to bridge /RAS and A3 on the bank of 4116s while putting in sockets. Naturally, th…
... (which is flush with the PCB) on the component side rather ... -
GrrrThere's nothing more annoying than finding out that you've managed to bridge /RAS and A3 on the bank of 4116s while putting in sockets. Naturally, th…
... the sockets out of the PCB this way with my paint ... -
GrrrThere's nothing more annoying than finding out that you've managed to bridge /RAS and A3 on the bank of 4116s while putting in sockets. Naturally, th…
... -drill the holes in the PCB with a 0.8mm drill ... -
Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…
... little more space on the PCB.
But doing it ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... a slight tweak to the PCB layout to accomodate another jumper ... 's clock!)
The PCB layout is designed so it ... who's made their own PCB. It is double sided, but ... -
Arcadia - by ImagineArcadia, by imagine. I thought I'ld play this last night, but its pretty awful to control Anyone know whats with the random movement and occasional…
I enjoyed Alchemist (mainly the changing to the eagle (I was easily amused back then).
I thought Arcadia was as stated, a big pile of poopoo. Wasn't it Arcadia that brought Imagine early recognition too?...strange. -
Arcadia - by ImagineArcadia, by imagine. I thought I'ld play this last night, but its pretty awful to control Anyone know whats with the random movement and occasional…
... (mainly the changing to the eagle (I was easily amused back ... -
RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
... time and equipment to make PCB for it.
But, if ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... pin jumper block to the PCB layout for 'use M1 / don ... -
RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
... time and equipment to make PCB for it.
But, if ... -
RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
Sounds like a good place to get my thru port PCBs made :) Thing is, no holes in a thru port PCB :( Will they accept black and white 1:1 artwork? -
A great ideaMost of us are a bit short on cash whenever we want to buy a new toy for our speccy. Sometimes can't even find what we are looking for. Now what id s…
... expensive (i.e. getting the PCB manufactured and the chips put ... -
Personal Gaming History in (very) Brief'79:PrinztronicMicro5500 --> '80:PlayedCoinOp(Space Invaders) --> '83:Spectrum(48K) --> '84:Spectrum+(kit) --> '86:Spectrum128 --> '88:AtariST --> '9…
... /> MB Vectrex
~2002: JAMMA pcb's* (World Cup 90, Aeroblasters ...
