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Adding IDE to your Spectrum +2 A/B (or +3)Hello my fellow [B]WoS'ers[/B] [B]This is a shared thread with [url]www.amibay.com[/url] which you can [URL="http://www.amibay.com/showthread.php?t=…
... that none of those pesky ceramic caps get in the way ... IDE adapter and using a ceramic capacitor lock it into place ... -
On a repair spreeHave been helping out my gf regularly lately. FYI: she & myself are not living in the same house, we're kind of in the same boat (financial problems,…
... always some condensation on the ceramic and copper inlet, so cannot ... -
+2 (Grey) and AT/ATX PSUAny ideas on the best way to power a grey +2 board from an AT or ATX PSU? Looking at the schematic, I could do this one of two ways... 1: Bypass th…
Cheap electronic kits for hobbyists/Students etcAs prices start to get silly on ebay for electronic components like CPUs, Memory etc, I've sourced two suppliers from China that do me great deals. …
... etc on eBay are vintage / ceramic parts. Stated prices for those ...Oldest thing of yours you ownthe oldest game thread gave me the idea for a thread about things you own which are the oldest, the thing youve owned the longest. my dad died recen…
I have an old ceramic jamjar in the bathroom (for ...Improving Composite Output of 48K SpectrumI've been playing around with this Spectrum 48k I got inside a dK'tronics keyboard, because well I've already got two working other ones so why not..…
... 10uF) and / or adding 100nF ceramic capacitors in parallel with the ...Setting up an IDE HDD on the +3e helpHello, Just installed a HDD in my +3e (ROM ver. 1.11). When turning on it takes a few seconds longer but then shows 2 IDE (available) as well as 1 fl…
... the 74LS10 IC (and one ceramic cap).
Also, in ...48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... materials (2SC series transistors and ceramic disc capacitors instead of ZTX ...PlusDlite prototype/first batch is here![IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_143221.jpg[/IMG] [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_153930.jpg[/IMG] …
... : replaced 33pF capacitor by another ceramic type, problem solved
3 ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... to replace one of the ceramic capacitors with a non-cosmetically ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
I'm wondering if it's one of the lower RAM ceramic caps (C1 to C8 ) at fault? That vertical line didn't look to be present when the replacement lower RAM module was in place...
Replacements are 47nf, 25V I believe.
BWhat models are repairable these days?I've followed a few threads which are trying to repair the mainboard components of the older 48K models, but it got me wondering - is it possible to …
... out the point of. Removing C41 to disable the EAR pin ...Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... should have a 100nF multilayer ceramic capacitor (normally marked "104") fitted ...Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... should have a 100nF multilayer ceramic capacitor (normally marked "104") fitted ... the PCB are empty. The ceramic "104"-capacitor you mentioned
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... ruined.
Adding the 104 ceramic would improve the behaviour/qualities ...Issue 3B(S)?Got an Issue 3B rubber in today, all boxed up but a sticker on it that states it was made in Korea, hmm, 4S then I think, till I opened it up. Same …
... the easy mounting of generic ceramic caps, rather than those nice ...Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
...
and one 100nF multilayer ceramic capacitor. I hope to find ...The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
It would be interesting to see if the same results can be seen if say 470nF multilayer ceramic or 1uF multilayer ceramic types are used.
[B][I]Mark[/I][/B]ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... the +12V track from D20 / C41 / R55 (see the schematic in ...ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... diode D20 and on to C41, which smooths out the ripple ... to increase the voltage on C41, which should rapidly charge to ...ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... me. But now I realise C41 starts initially at (discharged) ZERO ... effectively prompting TR9 to charge C41 to supply that top voltage ...spectrum issue 6a oddityMorning everyone Bought a speccy (rubber key) from ebay in near mint condition - couldn't tune in on analogue particularly well so did the comp mod …
... that, replace. Same for the ceramic capacitors too.
You ...Parts listAre there any list of parts - caps, resitors, transistors etc. - for Spectrum motherboard revisions. Im thinking I may need to replace te electrolyt…
... -Components/100nf-5mm-Y5v-Dielect-Ceramic-Capacitor-08-0270"]08-0270 ... Serif]100nf 5mm Y5v Dielect Ceramic Capacitor[/FONT]
If ...Parts listAre there any list of parts - caps, resitors, transistors etc. - for Spectrum motherboard revisions. Im thinking I may need to replace te electrolyt…
... -Components/100nf-5mm-Y5v-Dielect-Ceramic-Capacitor-08-0270"]08-0270 ... Serif]100nf 5mm Y5v Dielect Ceramic Capacitor[/FONT]
If ...First time capacitor replacementHi, I have an Issue 2 board, that i wish to start with recapping as advised on here, as they look to be all original. (Same with V3 board, but going…
... is no need to renew ceramic capacitors unless they are physically ...First time capacitor replacementHi, I have an Issue 2 board, that i wish to start with recapping as advised on here, as they look to be all original. (Same with V3 board, but going…
... the Equivalents thread), some 100nF ceramic capacitors (I stock the multilayer ...First time capacitor replacementHi, I have an Issue 2 board, that i wish to start with recapping as advised on here, as they look to be all original. (Same with V3 board, but going…
... the Equivalents thread), some 100nF ceramic capacitors (I stock the multilayer ...One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…
... ), IC2 (TEA2000), T1, C22, C23, C41, C25...
First, check ... ground (probe both legs of C41), and between -12V and ground ... on +12V, then desolder briefly C41 and check if it is ... L1 and check again on C41 if you have still very ...One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…
... check for a short on C41, how to check the windings ... I did so far:
C41 pos side: 12 Ohm
C41 neg side: 0.4 Ohm< ...One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…
... check for a short on C41, how to check the windings ... I did so far:
C41 pos side: 12 Ohm
C41 neg side: 0.4 Ohm< ... "Check for a short on C41", I meant you desolder it ... /> Side note: when you say "C41 pos side: 12 Ohm", where ...
