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ANNOUNCE: Resistor version minus 1.0.0Given the discontinued development of Taper and the vapourware nature of certain other products, there's a lack of a modern, up to date, maintained t…
... .ucam.org/~pak21/spectrum/resistor.tar.gz"]Resistor version minus 1.0 ... -
Two-resistor fix for +3 sound distortionOver at Zonadepruebas, mcleod_ideafix has done a circuit analysis of our favorite distorted sound output: the issue 1 +3 AY chip sound output, and fr…
... without having to change the resistor at the collector nor ... ground with the 680 ohm resistor (the larger crosshatched part). ... close up of a similar resistor with a measurement in milimetres ... - this resistor is 1K (the 102 printed ... -
Variable resistorI have a problem with my speakers - the treble is much much too quiet in comparison to the bass. Or you could say, the bass is much to loud for the r…
... this by putting a variable resistor on the wire that goes ... -
R68 resistorI've recently obtained a nice, fully functioning Issue 4a board, which I am putting into a Spectrum + case. I'm going to solder on the reset switch f…
... upgrade instructions a 22 Ohm resistor needed to be added at ... issue 4a already has a resistor in place, so do I ... to add or replace the resistor, but I'd appreciate any ... -
1-resistor fix to +3 sound distortion issue - any feedback?I decided - with my Dad's help, since I am little less than a butcher when it comes to soldering - to fix my +3 sound issue. I noticed the less invas…
... method would be the 1-resistor fix mentioned in [URL="http ... -
Joystick, resistor oddity.Hello all, I bought a joystick off eBay and the left direction didn't work, I opened it up and there was a 470 ohm resistor on the left wire close to…
... there was a 470 ohm resistor on the left wire close ... the left, so took the resistor off and reconnected it all ... why it would have the resistor attached just on the left ... -
22K resistor - Upgrading to 48K+Hi. I fitted a 22k 0.25w resistor to allow the extra keys, STOP etc. I'm not showing a change, these keys do not function with the extra options. I…
... a 22k 0.25w resistor to allow the extra ... do I need another value resistor?
Also ... to remove the original resistor and replace it with ... a just one resistor. Just would look far ... br /> Does anyone know the resistor I would need.
... -
Spectrum+ keyboard problemHello all! I was wondering if someone here could give me some hints with my Speccy+. The problem is that I replaced the motherboard of my Spectrum+ …
... the motherboard could need a resistor replacement. Does anyone have any ... -
s-video SuccessHaving tried the various composite video fixes for the +3 etc, I was left feeling a little cold at the results, and was about to give up my quest for…
... /> CYNC should come from below resistor R34. (the signal at the ... -
Problems with games on +2AHi! I have a +2A now and have problems running some games on it. I tought the resistor fix (to give it some kind of "floating bus" as the original 4…
... on it. I tought the resistor fix (to give it some ... -
nec780 vs z80aHi everyone! Got a 48k issue 2 board with nec780 with a mts2369 at its back.(spider?) Between pin 11 of the cpu and pin 14 of ic 23 theres a resis…
... of ic 23 theres a resistor soldered and the other end ... solder again that "spider" and resistor at the z80?
Lawtronics RGB Schematics ?Hi folks, I have a Lawtronics RGB interface which only half works with my Amstrad CTM 644 monitor. I believe the problem lies with one of the resist…
... schematics or know which value resistor is used nearest the front ... ://www.dannyg.com/examples/res2/resistor.htm"]http://www.dannyg.com ... /examples/res2/resistor.htm[/url]
It's ...Composite video mod on a 16K issue 2, not workingI carried out the composite video mod detailed here: [url]http://user.tninet.se/~vjz762w/fixuspec.html[/url] I chose the one that requires the trans…
... the solders are good. The resistor is measured on my multimeter ...+3 Scart on LCD vs CRTJust got a very nice condition +3 given for christmas, along with a new RGB scart lead from ebay (I believe it's a guy in Poland on here who makes th…
... blue lines... but the blue resistor seems to be the opposite ... ; scart pin, well the blue resistor goes speccy -> cable -> ...Spectrum +2 No TV PictureHi, As a retro collector in Australia I thought it was time to check out a real Spectrum as they were never popular here. So I bought the Spectrum +…
... it anyway using the BC547 resistor as a replacement for the ...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 …
... there be a larger value resistor somewhere than it should be ...Issue two picture qualityDoes anyone know if issue two and earlier spectrums have worse picture quality (in general, beside colours) compared to issue 3 and later? I mean on…
... are correctly adjusted through the resistor and capacitor trimmers.+2 blurry TV pictureHi, I'm a Spectrum user from Argentina, this is my first post :smile: I've recently got a spanish ZX Spectrum +2 (the grey one). Hooking european c…
... +2, adding a 15 ohm resistor in the pin 1 of ...+3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…
... and thought of putting a resistor across R72 on the board ... a 72 Ohm 1 watt resistor. Blue,Gray,Black 5% tollerance ... try only the 1 watt resistor.
Soldering iron used ...Sinclair User Club #8Hi, I've got a tape with a printed inlay with Clive's face and "SINCLAIR USER CLUB" in italics. I believe it is issue 8, although there's nothing o…
... :
Side A: MC8, RESISTOR
Side B: GOLF, Y ...ZX81 Composite Video Mod?Hello. Does anyone know how to modify a ZX81 to output composite video as opposed to a modulated RF signal? I believe it can be done with one trans…
... one transistor (which?), and a resistor (value?).
If someone ...Irrelevant QuestionThis is an indeed irrelevent to the speccy scene question but since i searched and i searched and coulnd't find any help elsewhere, i desided to ask …
... not a capacitor nor a resistor, the board has the word ...Sinclair Spectrum 48K with new membraneI am selling the 48K Spectrums I have on ebay in favour of Emulation. ;-) All have Composite mods and brand new membranes! Heres the first one...…
... two wires and reconncting the resistor inside to the centre of ...+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
... /> (PS: I tried the single resistor fix for TR5 but it ...Hello all, +3 questionHi, Been using this site for ages but I don't know why never joined the forum..? Anyway I have a +2 but just got a +3 it clearly has the sound issue,…
... I just do the 68ohm resistor over the top of R72 ...Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... part compatibility I changed some resistor values etc.
So ...R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…
... , but had to add a resistor to get the right impedence ...What we gotI moved house and I have setup my Spectrum gear, I was looking at all that I have and was thinking what else do others have in there collection? Ok …
... done by myself using 1 resistor, perfect clear sound.
RAM ...Need some advice regarding a Windows problemNeed some advice on this one, and Google and Bing aren't being my friends. Now that computer repair is how I get my bread and butter I should know h…
... normal operation
over the netowrk adapter.[/quote]
(This ...Multiface One - brokenFor a long time I have had a Multiface One, that since I got it never worked. When I attach it to the computer (edge connector completely cleaned), i…
... logic:
1 x resistor network
1 x normal ... resistor
1 x EPROM 64 ...
