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Issue 2 Board - CPU 'Patch'I've been wondering why my issue 2 board has been kicking out this signal when powered up... [IMG]http://www.drumfu.com/ResizedDuffIssue2.jpg[/IMG] …
... 've been wondering why my issue 2 board has been kicking out ... -
issue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…
... quickly? I`ve got an issue 2 board, there is no `buzz ... -
Issue 3 board - Free to good homeI have an issue 3 board that someone could scavenge for spares or even repair if they're willing to pay the p&p. I got it off someone on Amibay in a…
I have an issue 3 board that someone could scavenge for ... -
Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... br /> I have an Issue 3 board here. When I opened the ... found a strange piggy-back board. This one reads " ... place underneath the Logitek board and six pins are ... the heck is the Logitek board for?
... In addition the board "booted" too fast, so I ... -
48K Issue 6A board only showing B/WI have a 48K Issue 6A board here, which only shows a B/W composite video signal on both, the modified RF-out, but also on the expansion bus (using my…
I have a 48K Issue 6A board here, which only shows a ... right to me on an issue 6A, but a 6C001E-7 ... -
doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…
... />
I have this issue 2 board that is not booting, it ... as I have another working issue 2 machine.
The ... -
Dead SpectrumHello guys, I've just bought a dead Speccy 48k (Rubber Keyboard Issue 3 board). Basically, when powered on it initially appears to boot up ok, but in…
... without problems on another same issue number board. So there might be some ... -
issue number of ZX Spectrum 48K by means of serial numberIt is possible to identify the board issue of ZX Spectrum 48K/+ by means of the serial number? If yes, how? [ This Message was edited by: nalexan …
... the board issue of ZX Spectrum 48K/+ by means of the serial number ... -
What board issue was the last in rubber key case?Just picked up another rubber key case and upon opening it i found an issue 4 board.I thought the board number was a bit high as though it should be …
Just picked up another rubber key case and upon opening it i found an issue 4 board.I thought the board number was a bit high as though it should be in a +?:confused: -
How do I tell what issue my Speccy 48k is?Is there any easy way to tell if I have an Issue 1 board 48K Spectrum? I'm colour blind so I can't tell if my rubber keys are light grey or fawny gr…
... tell if I have an Issue 1 board 48K Spectrum?
Would the serial number give it away - 001-520460 ... -
Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... ]Z70833 ISSUE 1
[/B]
[LIST]
[*]does your board have anything ... underside of the board?
[/LIST]
[B]Z70833 ISSUE 4
number printed on the board
[/LIST] -
Issue 1 ZX Spectrum 48K boardI got a 48K Issue 1 board to repair for a friend. Didn't want keep this thrill to myself (click for magnification): [URL="http://benophetinternet.n…
I got a 48K Issue 1 board to repair for a friend.< ... -
16k Issue 2 board and DivIDE load errorsI today got an Issue 2 16k board (thank you PMSR) that i added the logic and ram on to get a 48k machine. However, I am unable to load software from …
I today got an Issue 2 16k board (thank you PMSR) that i ... -
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.…
... a list of manufacturer chips which is compatible with the Issue 2 ... be used in the Issue 2, where Issue 3 will work with ... . I just repaired an Issue 2 board and found that 7 of ... -
Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... I have a working 48k Issue 3, a sort of working ... , which started out as an Issue 3 16k rubber key, but ... (thankyou Zorn) that introduces circuit board testing with a multimeter, and ... -
Help with an issue 2Hello friends, Today, sadly, my issue 2 board lost his 5c112 ULA, and on my spares list I only had a 6c one that worked fine after swapping it. Now I…
... issue 2 board lost his 5c112 ULA, and on my spares list I ... original flavor on my faithfull board and willing to trade it ... -
ULA type and datecode listHere is a list of all known ULA datecodes with type, collated from various threads and the serial numbers list. For the 6C series ULAs without a -5, …
Here is a list of all known ULA datecodes ... threads and the serial numbers list.
For the 6C series ... , 87xx, 88xx).
Where the issue number doesn't necessarily tally with ... .
[CODE]DATE ULA ISSUE(s)
8214 5C102E ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... least the following:
[LIST]
[*]The standard power socket ... Coil
[*]C47 capacitor
[/LIST]
There's a ... ULA chip in an Issue 3b or Issue 6a board, or would that ... -
Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... resolve the fault with my issue two board. I'm hoping a ... Spectrum 48k with a 3B board I've checked the values ... ULA is all okay. The board features the spider or cockroach ... it is a fairly early board from reading around.
ZX Spectrum issue 4B acquiredI recently acquired a ZX Spectrum with serial number 138-363292 on the case, and a 1983 issue 4B board I got it for the purpose of repair. and have…
... serial number 138-363292 on the case, and a 1983 issue 4B board ... some initial images of the board:
[img]https://dl.dropboxusercontent ...Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... the +2B that's an issue 1 board and says +2A on ... the case and has an issue 4 board) has an ST branded ... values of x, and a list of values that IN x ... -cutting that was reducing the number of screws - not just in ...Quirky nerdy hardware quiz time[b]Quirky nerdy hardware quiz time[/b] [list=1][*]How many transistors are on the issue one ZX Spectrum PCB? [color=#FFFFFF].[/color] [*]Which d…
... /> [list=1][*]How many transistors are on the issue one ZX ... fitted with the Z70500 issue three boards[/color][/b ... special about the ZX81 issue two board? [b]The answer ... name the model name/number. Well done :D ... Well done :D
[/list]
[b][i ...Component Equivalents/substitutionsA while ago, I mentioned to somebody in a thread that we should have a list of component equivalents and substitutions so that it's easier to fix our…
... that we should have a list of component equivalents and substitutions ... The following is a short list of all the substitutions I ... BC547, BC548 and BC549 in Issue 2+ Usually improve picture quality ... , TR3 and TR6 on an issue 3B board.[/QUOTE]
...Low speaker volume on a repaired issue two speccyI repaired an issue two speccy which was totally wrecked and missing many parts. I installed the missing parts (resistors, transistors) and replaced …
I repaired an issue two speccy which was totally ... according to the modification for issue two pcb (for better cirquit ... that i removed from an issue 3b board that i have for ... such)?
On another working issue two that i have, the ...Crash Issue, number 1I've come across a Issue 1 Crash Magazine. Is it worth selling on Ebay, or am i better off keeping it?
I've come across a Issue 1 Crash Magazine. Is it worth selling on Ebay, or am i better off keeping it?Spectrum Issue 4SI bought a speccy 48k off of eBay. Looking inside it has an Issue 4S board. But I cannot find evidence that the 4S was ever issued inside the rubber …
... . Looking inside it has an Issue 4S board. But I cannot find ... ? Has someone put the Spec+ board inside a rubber speccy case?issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…
Hi All
I got issue 6a pcb from ebay with ... chips I got from working issue 3b board
any suggestions ...Issue 3B problemHi! I have an issue 3B board that is having a strange problem: when I got it it didn't had the -5V and +12v, as usual. After replacing TR4 and TR5 t…
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I have an issue 3B board that is having a strange ...issue 2 sound /loading problemsHello im a newbie to the forum ..have owned spectrums for years..I have a issue 2 board in a dk tronics keyboard that i purchased off of ebay..works …
... for years..I have a issue 2 board in a dk tronics ... load games fine from an issue 3 rubber key model from ...issue 2 sound /loading problemshi guys ive just done component video conversion on this issue 2 board that went well..but when i had case off i did notice that there was a glass di…
... component video conversion on this issue 2 board that went well..but ...
