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Spectrum +3 FavourCan a kind soul with a multimeter and a +3 measure the resistance on the power socket between the 5V and the ground? I have a dead +3 that only has 0…
... with a multimeter and a +3 measure the resistance on the ... ground? I have a dead +3 that only has 0.6v ... a dying vReg in the PSU brick, knowing the resistance across ... a working +3 will help.
Cheers -
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 ... saying it had a keyboard fault, failing to mention that at ... -
Spectrum +3Looking for working Spectrum +3 and PSU. ?25-?45 maximum price. I could arrange a courier to pick it up. Kindly Regards,
Looking for working Spectrum +3 and PSU. ?25-?45 maximum price.
I could arrange a courier to pick it up.
Kindly Regards, -
Revive Spectrum +3 power supply(ies)Hi all, it's me again... [url]http://www.worldofspectrum.org/forums/showthread.php?t=33677[/url] In continuation from last time, I have two original…
... have two original non-working +3 power adapters.
I ... scared me into thinking the PSU had bust. -
+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…
... from an AT or ATX PSU?
Looking at the ... the regulator (pins 1 and 3 of the PL11 header) and ... 5v to pins 2 and 3 of the PL11 header (or ... -
Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…
... /> I have a faulty Issue 3 motherboard and would appreciate it ... where to begin with the fault finding. The symptom is that ... same maybe with a Issue 3 board?
Pierre -
Modern replacement PSU for +3This has probably been beaten to death in earlier threads.. but are there modern sized replacement PSUs for +3 available? My quick search did not res…
... modern sized replacement PSUs for +3 available? My quick search did ... -
Toasted +3Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on thi…
Oops.. I shorted one of my +3 (being clumsy with multimeter, doh) when measuring PSU connector pins :D Any immediate guesses what exactly died on this thing. Possibly easily repairable? -
Wanted 128 and +3Hi, currently i'm looking to buy the following : [B][U]1 x ZX Spectrum 128k[/U],with or without PSU, in working/non working condition. No need for o…
... 128k[/U],with or without PSU, in working/non working condition ... ZX Spectrum 128k +3[/U],with or without PSU, in working/non ... -
My new Spectrum +3 has no start menu.Hi all, I recently took delivery of my 'new' Spectrum +3 from a Fleebay auction. So I serviced the drive on Saturday as it had a snapped drive belt …
... of my 'new' Spectrum +3 from a Fleebay auction. So ... and today I got my +3 power supply.
3 technical manual and follow it's flow chart of fault ... -seat them and power the +3 back on.
... from my PC fault finding days). Still no +3 menu. So ... -
Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …
... 'm looking for a modern PSU for my Spectrums and my ... dual set of 3.5'' floppy drive+HxC floppy ... the HxC with a second 3.5'' floppy drive).
PSU replacement for +2a/+3Hi, With the suitable connector does a PC power supply can be used to power a ZX+2a/+3 ? Thanks
Hi,
With the suitable connector does a PC power supply can be used to power a ZX+2a/+3 ?
ThanksSpectrum +3 blinking yellow/blueI received a +3, which only gives a yellow/blue blinking border during initialization. Pressing BREAK when powering on does not work, neither does a …
I received a +3, which only gives a yellow/ ... guess this is a RAM fault, but there seems to be ... way less information for the +3 than we have for the ...+2A PSU ResurrectionHi all. I have a couple of +2A machines and a +3 with PSUs for each but I'm having a problem with one of them. I've replaced the internal glass…
... of +2A machines and a +3 with PSUs for each but ... . I've checked with another PSU and the machine is fine ... so it's definitely the PSU but I don't know ...Newly Acquired +3 in the USAI just acquired (rather accidentally, was looking for an empty Spectrum + case!) a pretty nice Spectrum +3, and a US-spec PSU. As far as I can tell …
... pretty nice Spectrum +3, and a US-spec PSU. As far as ...help with my original issue 3b from when i was a teen. possible lower ram fault.hello, well ive tried to fix my old speccy, but haven't made much progress. could you help me out with some diagnosis. the fault occurred about…
... some diagnosis.
the fault occurred about 13years ago whilst ... the upper memory but the fault is still there.
3,85 that worked. then tried ... more likely a lower memory fault? or is my rom scrambled ...128K +3 RepairHi guys, I need some help to diagnose a faulty 128k +3. The unit is completely unresponsive. I had tested the PSU and found odd values in it. …
... to diagnose a faulty 128k +3. The unit is completely unresponsive ... />
I had tested the PSU and found odd values in ... is the connector where the psu is connected)? But which pins ...Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... a rubber keyed Speccy(issue 3) that I can't still ... test reported IC13 as suspected fault. So removed IC13, soldered in ...General PSU repair guidesNot Speccy related. I'm just looking for a guide as such as to where to begin with a power supply repair. Realise this is a bit of an odd thing to as…
... />
To my mind a PSU is simple (this is not ... 's me done with a PSU! :D
The unit ... ones inside the BBC Micro PSU actually.
There are four ... however. This unit has a 3.5 HDD in it so ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... keyboard for some accesories and PSU (I wanted to put Divide ... it must be some other fault.
The one Spectrum Plus ... repairable was actually torn in 3 places in the FULL length ...Dead +3The good news is I've just acquired a +3. The bad news is it doesn't bloody work. When I plug it all in and switch it on the disk drive starts spinn…
The power light on the +3 is just wiored almost directly to the PSU. You can all but cut the board in half, and that light would still work - and I am not joking.
If the light isn't working, the PSU or PSU connection is at fault.my dodgy speccys.hi people, i was wondering if i could engage some opinions / thoughts / ideas of anyone, regarding my current "fixing up" of my speccys, since you s…
... for your +3 it could be a power supply fault. I bought ... 't there. I traced the fault back to the voltage regulator ... ended up getting a replacement PSU thanks to Mr. Alchemist Research ...+3 psu schematics and partsHi everyone. Does anyone have or knows where to get the +3 psu schematic? I'm trying to repair one but i cant find any info on the parts reference. …
... . If the transistor is at fault, you may also have to ... .pdf[/url]
The +3/+2A PSU is very simple, a schematic ...TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... bring the Z80 back to 3.5 MHz? Damn! :D
The only way the PSU is at fault is if the Spectrum ... /> 13.30 Volts from the PSU offload, drops to 11.73V ...48K Speccy not workingHey, A few months ago (hope it´s not to late) I was loading a game into my speccy and from one moment to another it stopped working! I unplugge…
... it's 80% PSU's fault.
If your PSU really doesn't ... easier to find another 9V PSU.
3. If your primary circuit ... is okay, connect your disassembled PSU to ... /> 4. If (3) passes, check electronics in your PSU. I have never ...48K Speccy not workingHey, A few months ago (hope it´s not to late) I was loading a game into my speccy and from one moment to another it stopped working! I unplugge…
... it's 80% PSU's fault.
If your PSU really doesn't ... easier to find another 9V PSU.
3. If your primary circuit ... is okay, connect your disassembled PSU to ... /> 4. If (3) passes, check electronics in your PSU. I have never ...Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... 's most likely a RAM fault since initialisation seems to have ... might get lucky!
3) Test for components that are ... chips and repair the onboard PSU if needed.
4 ...ZX Spectrum Power Cable on +2AHi, Today I bought a +2A, but it is lacking a power cable. I rooted around and found one, but it is for an ordinary ZX Spectrum. Will it work? This…
... />
+2A, +2B and +3 (all black) have DIN connectors ... The difference is that +3 power sources have more power ... grey +2, and the +3 uses lots simply because the ... +3 the picture goes shakey, you have a stressed PSU and ... This is s VERY common fault with the +3.BBC MicrosAny speccy peeps on here also have a collection of Beebs ? :) I have a fair few (and some accessories) , il try to get some pics later if anyone is …
I have 3 Acorn electrons which are a ... checked the voltage on the PSU. I have also swiched in ... see if that was at fault. But nope it still goes ...Welcomes...and some technical stuffHello I`d like to welcome all ZX Fans. I`m rather ATARI 8bit geek - I got this grat machine when I was 14...20 yeras ago... There were few ZX in …
I'm running my +3 from my bench supply build from an old AT computer PSU, after giving up trying to fix my speccy PSU, every time I replaced the transistor it blew again and I just got fed up with trying to find the fault...
