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Issue 1 schematics?I'm fault-finding an issue 1 board. So far I've found a hot memory chip and snipped it's supply legs, then swapped the burnt-out 7805 for a switched…
ZTX651 or ZTX653 are substitutes for ZTX650 in the TR4 position. ZTX751 is a substitute for ZTX213 in TR5. Both of these are available from the [url="http://store.retroleum.co.uk/zx-spectrum-transistors"]Retroleum store[/url].
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What is the Sinclair ZX Spectrum Vega and what does it mean?Just stumbled upon this Indiegogo page following a tweet from SpeccyNews [url]https://www.indiegogo.com/projects/sinclair-zx-spectrum-vega[/url] it…
... ? Thanks [/quote]
The retroleum smart card system http://www ... .retroleum.co.uk/smart-card-for- ... -
Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
Lower ram replacement from Zorn and sockets from Retroleum have all arrived this week. Looks like game on for Sunday. :)>- -
ZX Diagnostics v0.32I'm please to announce the latest release of ZX Diagnostics (v0.32). This contains the following enhancements: - Support for ZXC3, ZXC4 and Sp…
... of the firmware with the Retroleum SMART card and the ZXC3 ... -
Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... Z80 now on order with Retroleum.
I've tested ... -
video quality issue on 48k machine after composite modHello! I just bought an 48k spectrum and did the composite mod. Unfortunately it did not end up as good as i hoped for. The screen after reset looks …
... a kit [url="http://store.retroleum.co.uk/zx-spectrum-capacitors ... -
Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... had the smart card from Retroleum, and that it has a ... I just assumed that the Retroleum smart card had taken over ... />
Next, power off, remove Retroleum Smart Card, and power back ... the mere placing of the Retroleum smart card and playing a ... -
NTSC Compatibility?Correct me if I'm wrong, but wasn't the Timex 2068 the only NTSC clone built of the ZX Spectrum? And I use clone lightly... From what I underst…
... cheerful $24
http://www.retroleum.co.uk/smart-card-for ... -
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... /service.html
http://www.retroleum.co.uk/electronics-articles/repairing ... -
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... (using SD cards) http://www.retroleum.co.uk/smart-card-for ... time of posting, http://www.retroleum.co.uk was suffering from ... -
Dead issue 3b with black and white barsHi all, I've been donated an issue 3b which has some nice black and white bars with a few flashing blocks. I've done a few RAM tests and could spo…
Dead issue 3b with black and white barsHi all, I've been donated an issue 3b which has some nice black and white bars with a few flashing blocks. I've done a few RAM tests and could spo…
... it's the one from Retroleum. It came with a test ...Harlequin Rev GI have just got all the bits to build an Harlequin Rev G system and I went for a red solder mask board. I have fitted the 3 surface mount components…
I have got hold of the SMART card from retroleum and plugged it in and it does its tests on the first 16k and gives 2 beeps then tests the 32k and gives the 3 beeps to say all is ok.Retroleum Nebula - A Spectrum ULA replacement moduleHey you guys.. Just wanted to mention a new Spectrum doobrie created by myself (Phil Ruston) and Alessandro Dorigatti: Namely, the Nebula - A Spec…
Hi Phil
I hope things are going to plan.
I would like to buy a Retroleum Nebula when you are ready to start selling them :)
[b][i]Mark[/i][/b]Retroleum Nebula - A Spectrum ULA replacement moduleHey you guys.. Just wanted to mention a new Spectrum doobrie created by myself (Phil Ruston) and Alessandro Dorigatti: Namely, the Nebula - A Spec…
Thanks for the report. Good to know it works okay in an issue 2, 3B and 4S :)
I have an issue 2 awaiting a Retroleum Nebula...
[b][i]Mark[/i][/b]Retroleum Nebula - A Spectrum ULA replacement moduleHey you guys.. Just wanted to mention a new Spectrum doobrie created by myself (Phil Ruston) and Alessandro Dorigatti: Namely, the Nebula - A Spec…
[quote="Mysterion;858676"][quote="Retroleum;52420"]Q. Any plans for ...Grey +2 SRAM module - any interest ?In the same vein as Zorn's RAM replacement modules, I designed a board that replaces a bank of 8x4164 RAM IC's as used in the Grey +2 with a modern S…
... pictures, both Zorn's and retroleum's SRAM boards seem to ...Faulty M1 or no?Hi all, OK, so I've got an issue 4B which was pretty much untouched and appears to work fine (starts up OK, loads games, 23732 and 23733 both retu…
... won't work with my Retroleum Smartcard, Multiface 1 or DivMMC ...48K Issue 6a wobbly and flickering TV outputHi folks, Found an untested issue 6A Spec whilst tidying up and it had a warranty sticker on it from a past repair which seemed to be a socketed L…
Just noticed Phil at Retroleum has a complete set for £2.99, bargin.48K Issue 6a wobbly and flickering TV outputHi folks, Found an untested issue 6A Spec whilst tidying up and it had a warranty sticker on it from a past repair which seemed to be a socketed L…
Originals yes, but Phil at Retroleum does the NebULA drop-in replacement for not many pounds and I have a 48k+ with a bust keyboard membrane that I can steal the ULA from for now.
Still no further with this jumping screen issue though :/eprom with 2 imageswhat's the easiest way to add an eprom with 2 images on with a simple switch not worried about any fancy auto switching or anything just want 48k bas…
... links.
http://www.retroleum.co.uk/electronics-articles/how ... /
[img]http://www.retroleum.co.uk/wp-content/uploads ...A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... supports other hardware solutions now (Retroleum SMART card, ZXC3/ZXC4, Spectranet ...The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
Best thread ever, from my PoV.
Might I suggest a smartcard from retroleum and a maple mini. I already have basic comms working between my Mac and a real speccy using stmduino on the maple.Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... (which also run on the Retroleum SMART card) would have detected ...ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
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The [url="http://www.retroleum.co.uk/smart-card-for ...Looking for advice on building a HarlequinNew member here. From the US. My first computer was a Timex Sinclair 1000 back in the early 80s (in fact, I got one of the first batches sold in th…
... using the [url="http://www.retroleum.co.uk/electronics-articles/v6z80p ... /"]V6Z80P FPGA board[/url] from Retroleum.
* Oh wait, they've ... called the [url="http://www.retroleum.co.uk/electronics-articles/nebula ...
