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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…
... />
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 ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
Just acquired an issue 2 Spectrum 48 K, selled as working board, not ... -
Leader Board - Famous Courses of the World[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0013834]Leader Board - Famous Courses of the World Volume 1[/url] Side 1 is corrupt, one of th…
... /infoseekid.cgi?id=0013834]Leader Board - Famous Courses of the World ... knowing for sure which hole number it is.
There ... -
48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... issues, so a large number of faulty chips rolled off ... you issue commands to the rest of the board as ... click sounds proving the board was running and was ... replacing the chip fixed the issue, I originally thought it ... written as an 8 bit number is 00001000, and as ... -
+2A/+2B/+3/+3B researchdoing my redrawing/correcting of the +3 schematic I'm uncovering lots of oddities in the service manuals. I am trying to work out what really exists…
... circuit boards (ISSUE 1 and ISSUE 2 both number Z70833)
... ISSUE 1 and ISSUE 2 of the +2A/B board has ... manual and my +3 ISSUE 2 board (Z70830). I assume ... Taiwan and contains a 1987 ISSUE 2 board.
board?
... -
48k issue 2 boardsJust picked up a rubber key issue 2, faulty membrane as usual, cracked at the top so trimming not an option (ill be ordering soon Rich!) What strikes…
... picked up a rubber key issue 2, faulty membrane as usual ... i can adjust on this board so now its a clear ... -
ZX Spectrum 48K,issue two - can't get it repairedI have an issue 2, which has some weird very small PCB hanging over the Z80. Some wire go to various places on the big PCB, two go to connections 36 …
I have an issue 2, which has some weird ... 'm using Winston's diag board, it tells me that some ... -
ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…
... , issue 2, works just fine, tested with Winston's diag board. At ... again and then the diag board claims low memory problems and ... -
(Kamikaze) Bear Board GameSo in Sinclair User 69 (Dec 87) there was a simple solo board game in which Kamikaze Bear wanders around a dystopian wasteland killing punks, Terry W…
... ) there was a simple solo board game in which Kamikaze Bear ... because this was the first issue of S.U. that I ... obtained a copy of the issue in question, which contains all ... and pristine. Unfortunately the game board, depicting the Badlands and Grizzly ... -
Some more 419 fun fresh from the spam folderErm from Eva Desmond apparently? [quote]Hello My name is Eve Desmond, I saw your profile today through the help of chamber of commerce in ouagadoug…
... urgency and confidential of this issue and I know that this ... and the whole crew on board.
I need your urgent ... to call me on this number +22678905934
THE REQUESTED ... />
USE THE FOLLOWING REFERENCE NUMBER:8373AASQ AS YOUR SUBJECT.
Issue 3V - anyone got one?As the title says really! :) According to [url]http://www.users.globalnet.co.uk/~jg27paw4/yr07/yr07_33.htm[/url] issue 3V motherboards have 64K RAM …
... /~jg27paw4/yr07/yr07_33.htm[/url] issue 3V motherboards have 64K RAM ... to me. To change the board to use 8 RAM chips ... actually seen one of these Issue 3V Spectrums with only 8 ...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 ... of the board?
[/LIST]
[B]Z70833 ISSUE 4
number printed on the board
[/LIST]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…
... a pair of non-working issue 2 48K Spectrums that
circuits on the board.
With a new ... from the rear of the board that this last one is ...Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
... on my desk a nice issue 2 Spectrum +3. I'm ... I say, the board says it's an issue 2. Does this ... " is fine, is this the issue 2 +3?
Likewise ...Repairing another Issue 2 48K Spectrum.I said at the start of the other thread that I've got another one of these and I've started investigating it. The board is more-or-less exactly the …
... investigating it.
The board is more-or-less exactly ... the ones on the other Issue 2 Spectrum.
A ... same as on the working Issue 2.
-5V - 80K Ohms ...48K issue 2 needs 5 seconds to bootupI have an issue 2 board here that needs some seconds to boot up. So when connecting it, it shows black and white blocks, and then after some seconds…
I have an issue 2 board here that needs some seconds ... : is there interest in an issue 2 board?ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…
... was to put an harlequin board inside, but for the moment ... writing on the board says it is an Issue 4S.
- The ... be blown as well?
- Issue 4S? In WOS docs there ... are schematics for Issue 4a and 4b, but I ...Retro computer fair reportI visited the Commodore (department of the dutch Hobby Computer Club) usergroup last saturday (18 february 2012). There were about 40 or 50 people wh…
... Sinclair guys 'helped' the Commodore board with some possibilities, and if ... distortion because of the large number of old hardware on power ... /showthread.php?p=604605#post604605"]issue 1 48K[/URL] to repair ...Issue 3B only sees 16k (and RAMTOP NO GOOD on loading)A ZX+ with issue 3B board that i got recently, does not see anything more than 32768 (sometimes 37267..) on "PRINT PEEK 23732 + PEEK 23733 * 256 (Ent…
A ZX+ with issue 3B board that i got recently, does ... 't find it on the board.. any pointers?Spectrum 48k Issue 4S?I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I a…
I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I am curious in what way it differs, as there are no schematic for issue 4S on this site.Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…
... compared the reading with another board - pretty much the same.
issue (always gave me R tape ...Looking for Interface 2 and Issue 1 keymat.Okay, i managed to get an interface 2 from italy's eBay. I'm still looking for that grey keymat though... -----------------------------------------…
... trying to make my 48K Issue 1 into a display model ... .
I bought the Issue 1 as a 16K model ... to get the 32K expansion board. This is all well and ... compare the keymat from the Issue 1 with keymats from other ...Wanted: 128 +2 B issue 4 Chips RomHello, I am looking for following chips to repair my (2) 128 + 2 B Spectrum + 2 B The board is an[B] issue 4[/B] [COLOR="Red"][B]and not[/B][/CO…
...
The board is an[B] issue 4[/B] [COLOR="Red ... ]and not[/B][/COLOR] a Issue 1 as shown.
Retro Fusion Issue 3 - Jonathan Cauldwell writing us a game!Jonathan Cauldwell is writing an exclusive ZX Spectrum game for Retro Fusion Issue 3. The game is coming along nicely and I am pleased to present a n…
... Spectrum game for Retro Fusion Issue 3. The game is coming ... am pleased to present a number of screens from the game ... there will be a limited number of magazine issues with a ...Issue 3 power problemHi all, I have an issue 3 board with an odd power problem, I have no -5V in fact, measuring the voltage on this line leads to a surprising result : …
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I have an issue 3 board with an odd power problem ... the inductor from another (scrap) Issue 3 board, but still no -5V ... , though comparing to another (working) Issue 3, it does seem to ...Issue 1 ram connectors....Hi Does anyone have the pinout of the Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board, as I'd like to try and make myself a board, a…
... Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board ... try and make myself a board, as getting a genuine one ... 'm guessing that the upgrade board just has the 8x4164 (or ... fitted into sockets on the issue 2 and later ?
Your favourite Spectrum [whatever] beginning with a numberI thought I'd resurrect the fairly popular 'Best Spectrum game beginning with [whatever letter], so here goes. You know the drill, each of your answe…
... case of this thread, a number). We'll go by WOS ... from, beginning only with a number, is there? I'll say ... 've seen beginning with a number).
Best sound or ... the time, and the dart board and writing were good, if ...
