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128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... is of biggest IC on PCB, AMSTRAD 40056 8620 (ULA?), sorry ... brand new)
On the PCB is also present TEA2000 D86231Y ... IC
All DRAM on PCB is NEC 4164-C-15 ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... 's exactly the same 128k PCB as mine, but instead of ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... checked again both sides of PCB (and especially ULA). Visually it ... -
Speccy RGB cable on ebayAnyone got this? [url]http://cgi.ebay.co.uk/Scart-cable-for-Spectrum-128K-3-2A-2B-free-shipping_W0QQitemZ130079309364QQihZ003QQcategoryZ50223QQssPage…
Cables are horrible to solder, in my experience. I have no trouble doing a neat job soldering a PCB, but soldering a small fiddly cable (without about five of those 'Helping Hands' devices) is just a nightmare. -
Speccy RGB cable on ebayAnyone got this? [url]http://cgi.ebay.co.uk/Scart-cable-for-Spectrum-128K-3-2A-2B-free-shipping_W0QQitemZ130079309364QQihZ003QQcategoryZ50223QQssPage…
... a neat job soldering a PCB, but soldering a small fiddly ... -
Edge-connector video...Been reading some old speccy books recently that were surplus to requirements at the local library...:-) ...and in one book it mentions that the ed…
... are interferences between leads on PCB.
Much better was when ... -
divIDE 57c PCBs for saleI've a number of professionally made divIDE PCBs for sale. These are spares from a production run a last year. EDIT : These have all been sold now. …
Apart from the pcb, what else is need to get a working interface to an hard disk?
oops, I read the question again. You mean ICs and so on are missing, right? -
divIDE 57c PCBs for saleI've a number of professionally made divIDE PCBs for sale. These are spares from a production run a last year. EDIT : These have all been sold now. …
... =wilsonsamm;172361]Apart from the pcb, what else is need to ... -
divIDE 57c PCBs for saleI've a number of professionally made divIDE PCBs for sale. These are spares from a production run a last year. EDIT : These have all been sold now. …
... interested in 1 or 2 PCB's. How do we manage ... -
divIDE 57c PCBs for saleI've a number of professionally made divIDE PCBs for sale. These are spares from a production run a last year. EDIT : These have all been sold now. …
... interested in 1 or 2 PCB's. How do we manage ... -
Did I killed my Speccy ???Hi guys, 1 minute ago I was working on my 128 +2A... But I made a mistake : I cut the gound on the PSU plug of the computer, and I forgot to resolde…
... care what happened to the PCB, and the Issue 2 board ... -
Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…
... /> Cool! Work is progressing; the PCB layout is complete and we ... -
Plus-D drives...Can anybody recommend somewhere that I might be able to find a 3.5" drive which would work with the +D interface? (I'm doubting that just any 3.5" d…
... the soldering spots on the pcb, is marked DS0 and DS1 ... -
Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…
... the actual cost yet. The PCB is a little complicated and ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... op-amp chip on the PCB is being used properly and ... -
Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…
... (160 x 100mm) double sided PCB with a Z80 CPU, Z80 ... at home. The whole thing (PCB layouts, ROM code etc.) will ... software (GPL'd schematics and PCB layout software all available for ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... /load leads directly to the PCB if you wish. No extra ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... /load leads directly to the PCB if you wish. No extra ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... is no area on the PCB with missing components - the PLAY ... -
My Spectrum deskAt last my Speccy has got it's own desk, which it honestly deserves. And to keep it as nostalgic as possible: The monitor is an old Commodore 1084. …
... joystick and Mulfiface 128 bare PCB's, my camera (film, Pentax ... -
Spritual successor to the Speccy1988-1995 - Atari ST/STe/Falcon 1995-2000 - ? hmmm ? 2000-2006 - Playstation 2 with a keyboard 2007- ?
... sort out in the final PCB designs for it then it ... -
Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…
... fits on a single 160x100mm PCB. The main space saving is ... -
Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…
... soldering skills, home etching a PCB is pretty much out of ... -
Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…
... see their stock of expermental pcb's, including cards for SMD ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... the problem track on the PCB?
It's probably ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... post some pictures of the PCB when I get home from ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... , on the bottom of the PCB, the silver pads joined together ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
Well, you can use the modulator case, aluminium heatsink or centre pin of the regulator as a ground (negative) connection.
Best of luck with the repair :)
That PCB bottom GIF is all my own work by the way - glad it helped. -
toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... there a single point (or PCB track) that could be cut ... -
toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... connector layout and design a PCB for a Speccy diagnostic board ... . I actually laid out a PCB for that last night :-)