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48k faultyHi guys! I have a 48k that, currently, presents 2 problems: 1 - Can?t sync to TV correctly. I get a lot of noise and the characters appear to be inc…
... !
I have a 48k that, currently, presents 2 problems ... have any recomended for my 48k.
Also, I can ... power supply that matches my 48k requirements. Besides that, what are ... -
Broken Spectrum 48k: Faulty rams?Hi! I recently bought a used Spectrum 48k which works perfectly apart from not recognizing the upper 32k ram (so making it a Spectrum 16k that way).…
... recently bought a used Spectrum 48k which works perfectly apart from ... -
Faulty 48kHi all, Been a long time since my last vist to the site. I have an issue with a 48k I just picked up. When I type load "" and hit enter nothing hap…
... do the same on the 48k the screen just goes black ... off them worked on the 48k however when I tried them ... have a second non working 48k (faulty ULA chip I think) is ... a game on the other 48k -
Repairing a faulty 48K issue 2.I am investigating one of a pair of non-working issue 2 48K Spectrums that have been sitting in a cupboard untouched for quite a few years. I haven…
... of non-working issue 2 48K Spectrums that
have been ... or perhaps a
partially faulty CPU.
Any ideas ... -
Shameless auction plug - Four 48k Rubber Key Spectrums[url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8109893134&sspagename=STRK%3AMESE%3AIT&rd=1"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewIt…
... all be waiting for. Four faulty 48k Sinclair Spectrums. Don't all ... -
Broken ZX 48kHey all. I have acquired a broken ZX 48k. It looks in good condition - tried the membrane and it is working with my other 48k very well. When you tu…
... have acquired a broken ZX 48k. It looks in good condition ... is working with my other 48k very well.
When you ... that ? Or could it be faulty ROM ? I would say the ... -
Faulty ZX Spectrum 48kHi Guys, Been sorting through my rubber keyed 48k machines lately and decided to buy some new keyboard membranes for them. I replaced the membrane …
... sorting through my rubber keyed 48k machines lately and decided to ... I thought was a perfect 48k, but sometimes for no reason ... -
Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…
... Circuit Board which has a faulty ROM Chip. Is it possible ... a ROM Chip with the 48K ROM and fit it as ... -
Faulty M1 LineHello, I've got a new DivIDE but it's not working with my Spectrum 48k+. I've got a sneaking suspicion that it's a faulty M1 line. Is there any way …
... 48k+. I've got a sneaking suspicion that it's a faulty ... -
4116 DRAM for 48KSomeone told me I got faulty RAM in my broken 48K. They should be 150ns, right? What would be a good place to buy them from?
Someone told me I got faulty RAM in my broken 48K.
They should be 150ns, right?
What would be a good place to buy them from? -
faulty zxspectrum +hi all i just bought a speccy 48k+ off ebay it worked for like 15 mins now it is stuck on the reset screen. I fear this is something major maybe fau…
... i just bought a speccy 48k+ off ebay it worked for ... this is something major maybe faulty ram or the ULA. Does ... -
Sinclair ZX 48K rubber keyed faultyI bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. …
I bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. PSU is already ok.
Any idea what's wrong?
Micky -
48k Rubber Keys + Bits and BobsNow my pristine 128k has gone, I'm selling all the other bits and bobs left over. As this is a dedicated Speccy site, you lot get first dibs, anyth…
... com/albums/uu19/drevans112/Spectrum/48k-Front.jpg[/URL]
... com/albums/uu19/drevans112/Spectrum/48k-Bottom.jpg[/URL]
... com/albums/uu19/drevans112/Spectrum/48k-Working.jpg[/URL]
... br />
Got a faulty kempston joystick interface. This really ... -
48k IssuesJust got a 48k Spectrum (a replacement for a faulty +) from the helpful guys at Flashback, and had a tape deck delivered today. The keyboard seems t…
Just got a 48k Spectrum (a replacement for a faulty +) from the helpful ... despite ordering a brand new 48k membrane (figured either way i ... -
Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... it). So my two rubber 48k's have finally seen the ... that the ULA from the faulty mbo worked fine in the ... 20k, which should suggest a faulty chip.
So, I ... -
Faulty dk'tronics keyboardSome time ago I bought a Spectrum 48K in a dk'tronics keyboard, along with a built-in Interface 1 and a pair of Microdrives. It's quite the Frankenm…
... ago I bought a Spectrum 48K in a dk'tronics keyboard ... just need to desolder the faulty keys, remove them, and hopefully ... -
Replacing Upper RAM in 48KHi Folks Well, my fun continues :) After sorting the display issues with this machine I found I couldn't load software meant for 48K machines. Havin…
... 't load software meant for 48K machines. Having followed the guide ... anything else than remove the faulty chip, install a socket and ... -
My 48K Speccy has died.Hi fellow WoSer's! Wondering if you could help me with my rubber key 48k Spectrum, which died on me this afternoon. It is one I prevoiusly fixed up j…
... me with my rubber key 48k Spectrum, which died on me ... was wondering if it is faulty memory IC's, how difficult ... -
Faulty 48kHi all, Been a long time since my last vist to the site. I have an issue with a 48k I just picked up. When I type load "" and hit enter nothing hap…
... have an issue with a 48k I just picked up. When ... -
Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…
...
I have a faulty Issue 3 motherboard and would ... -
Compatible Memory Chips for Issue 2 48K MotherboardHi I was wondering if anybody have a list of manufacturer chips which is compatible with the Issue 2 48K Motherboard, especially the upper 32K RAM.…
... compatible with the Issue 2 48K Motherboard, especially the upper 32K ... the 8 RAM chips test faulty. I replaced this with some ... -
48K loudspeaker questionsI wonder if someone would know what "40 ohm T.V. type" means? This is the description of the 48K loudspeaker given in the service manual. I?d also li…
... is the description of the 48K loudspeaker given in the service ... "stronger" model later on their 48K boards?
Interesting enough ... one (from another faulty board) on a dumb 48K board and it ... -
ZX Spectrum 48k Issue 2 Faulty Ram?Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy condition. Though I'm getting random columns of blocks and flashing cursors…
Hi, I have a faulty ZX Spectrum Issue 2 motherboard. ... -
Spectrum + 48k-Diagnosing a dead keyboard/membraneJust purchased a Spectrum Plus (48k), and the keyboard was faulty (for example, when I pressed the " key, a 'p' was displayed on screen, and lots of …
... a Spectrum Plus (48k),
and the keyboard was faulty (for example ... -
Replacing Rubber Key Membrane 48k - IssueHi, I've replaced the membrane on my 48k rubbber keyboard. When I have the top and bottom loose, but wired up , all keys work fine. When I place t…
... replaced the membrane on my 48k rubbber keyboard.
When I ... you think I have a faulty membrane? Anyone else experienced this ... -
RAM issue for potential 48k buy?Hi guys I've got a 48k in my sight for ?20 but... it has an issue: [QUOTE]"I tested the computer and only displayed a distorted screen. Coloured …
... />
I've got a 48k in my sight for ?20 ... ]
Would this be faulty RAM chips? I've seen ... -
48k - Why Won't it Buzzzz?Hi WOS ;) I bought a load of Spectrum games off eBay and thrown in for good measure was a 48k 1984 Issue 6a circuit board that I was told was for sp…
... for good measure was a 48k 1984 Issue 6a circuit board ... know the lower RAM is faulty (alternating black & white blocks ... which now works as a 48k instead of 16k :D
I broke my 48k Speccy!!!!Hey guys, I am looking for some advice, I hope you can point me in the right direction. So, I went about replacing all the capacitors on my issue 4…
... without any issue on other 48k's.
This particular ... , maybe one of them was faulty - they are all new.
Why does the 4b 48k schematic only show micro farad ...48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…
Bought another faulty spectrum from Ebay.
... /> I found I had a faulty Lower RAM IC (IC 6 ... you would expect for a 48K spectrum.
I then tried ...
