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problem loading/playing gameshello to all! i was last active at this forum 11 years ago, and here goes the same thing :) found my old speccy, did the composite mod, managed to …
[quote="xtr3m3;927737"]
didn't know that there were issue 3b boards with only 16k of memory... thought that all were 48k...[/quote]
That’s correct. They were all fitted with 48K of RAM. -
Character wobbleHello, I have an Issue 2 board which shows vertical character wobble. This happens for a few minutes followed by a few minutes of character sta…
... recently and on my original Issue 3B.
I have one ... question, does your Issue Two board have the 6C001E ... -
SLAM48 ula will have a PAL/NTSC selector?So I read that elsewhere, however is it a rumor or is it confirmed? But is that even possible?
... the way, Superfo Harlequin 128 Issue 3B has PAL/NTSC selector :)
Issue-3-B-comp.jpg[/img ... -
SLAM48 ula will have a PAL/NTSC selector?So I read that elsewhere, however is it a rumor or is it confirmed? But is that even possible?
... the way, Superfo Harlequin 128 Issue 3B has PAL/NTSC selector :)
Recreated Spectrum .What do we get for the "now" (Aug 2017) best retail price of around £35?Well best/ cheapest retail prices can vary a bit so I thought it best to be specific. At this £35 price ,is it a good deal and what do we get ? A…
... messed up the USB C power circuit . It will be interesting to ... " round pin similar to Speccy power plug or similar . The Fuze ... case edge to accept round power plug) so surely this can ...How can I fix a problematic Retroleum Smart Card. I did not do anything "WRONG " with it but I did but it on a flexible cable and this seems to have "upset" it .Since then It does not perform the …
... up . It was a 1983 Issue 3B with yellow 48k stickers on ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
An Issue 3b 48k 1983 .
This 48k spectrum has an upper Ram fault thought to be at IC21 . Here are the pics of the chip involved:-
[url="https://i.imgur.com/DfrMdOw.jpg"]https://i.imgur.com/DfrMdOw.jpg[/url]Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
[quote="harriusherbartio;961660"]An Issue 3b 48k 1983 .
This ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... them . I came across another Issue 3b with some tracking damage around ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... , I used the other "good" Issue 3b with caps up ended , and ... attempted repair job on this Issue 3B . I just did not trust ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... problem with one of the Issue 3B around Cap 46 . I upended ... " appreciated.
The 2 Issue 3 Bs show slight differences ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... problem with one of the Issue 3B around Cap 46 . I upended ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
...
Working on these Issue 3b 48k Spectrum PCB proved to ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... on a faulty but "better " Issue 3b to get some tracking info ... to help repair another (hopeless) 3b with tracking damage (i gave ...Two new spectrums arrived. One no video.Got a +2 and a Toastrack arrived today. Toastrack was actually in good condition, little wear, though a little dirty. Worked well on first power up, …
... transistors that are responsible for power circuit that can fail especially if ... has stuck a positive center power supply into her .TR4 i ...Anybody got a parts list for an Issue 3b please?I've got a schematic, but does anyone have a parts list with the values just for the resistors and capacitors? Just would save me sometime going thro…
... ?
ohh looking at them issue 3B boards at JLPCB i can ...16pf Capcitors for C72/C73 issue 3b. Can I use 18pf?Looking at the service manual it states to use a 16pf ceramic disc capacitor in positions C72 and C73 on issue 3b boards. Is this very critical in bo…
... /> ohh look what just arrived .. issue 3B boards + S video pcb's ... i have a prepared a issue 2 for this modNot bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
My Next Recap Project : an Issue 3B
I was feeling ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... next 4 caps on the Issue 3b using my "new" techniques . I ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... off the Recap of the Issue 3B
Maybe if I ... has been tested on the Issue 3B . It now presents a nice ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... be paying off .The Issue 3b mentioned above was found and ... attention . It was an Issue 2 that had been recapped ... be a nice clean updated Issue 2.
... But the next Issue 2 I found puzzled me ... and Traco'd another Issue 2 but left all ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... "Finshing off the Recap of Issue 3b .
An addional point ...Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…
... /> Well, I have a regular issue 3B board to which I fitted ...XP POWER SR10S05 will not fit on Issue Two in a rubber key caseSo, FOR SCIENCE I decided to see if an XP POWER SR10S05 would fit on my Issue Two board in a rubber key case. Especially since it seems to be *juuuu…
... an XP POWER SR10S05 would fit on my Issue Two board ... * small enough Here is the circuit porn:
[ ... because I have an Issue 3 48k which will ... hard key case that the Issue 3 came from.
... POWER SR10S05 will fit in a rubber key case on an Issue ...+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…
... two +2A/B circuit boards (ISSUE 1 and ISSUE 2 both number Z70833 ... +2B, however both ISSUE 1 and ISSUE 2 circuit boards bear (C) 1988 ... , as found in the "+2B/+3B" diagram of the +3 amendment ...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
obvious complete short circuit anywhere in the various power supply
circuits ...Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…
... my hands on an old issue 2 from a friend. Price ... some fault in the video circuit but as a first step ... it more likely that the power supplies fails or that some ...
