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DivIDE HelpHi all, After a rather long wait my DivIDE from Papaya labs arrived. I connected it to my spectrum, turned it on and...nothing. The green power LED…
... 7805 circuit, the regulator plus 2 capacitors).
Also make sure ... -
Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…
... do not agree that these 2 capacitors will change the behaviour. They ... V (+ terminal of C911). Place 2.2 kOhm from its base to ... ground. Place 2 ... 3 diodes ( 1N4148 ) in series ... the same schematic as in +2) -
+2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …
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You can always use 2 capacitors connected in parallel. Just tie ... -
+2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …
... /> Most of the modern miniature capacitors are about half the size ... at double the voltage. Using 2 capacitors in parallel is not really ... -
Opus Discovery 1 problem insideHi folks, when I opened my Opus Discovery 1 I have probably wrecked a regulator that is connected to the mainboard by three cables. Regulator 2 is wi…
... . Separated circuits, so 2 voltages > 2 diodes > 2 capacitors > 2 regulators.
Video issue with my 1st 48K SpeccyHi all I'm a long time retro fan and I just picked up my first Speccy. It's a rubber key 48K with a rev 4a mainboard. It's a nice clean unit and i…
... likely faulty / dried up electrolytic capacitors in there (old age combined ... soldering iron. You'd need 2 capacitors, [I]combined[/I] value something ...Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…
I have not studied ZX128K+2 keyboard circuit, but probably it ... a little different than in ZX128K, due to SJS ports.
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... adequate for 48K machines and 2 drives and 128K machines ... exposed iron core.
2) Capacitors are very few (four IIRC ... anyway. The two big capacitors close to the edge connector ... renew the two small 10Uf capacitors next to the voltage regulators ...Seen any ebay madness?? post it here !!!What with some high prices fetched on speccy games over the past few days , thought it might be an idea to keep a WOS record of some of the higher fi…
... € 500 for special version with 2 capacitors in one package:
[url ... /USB-Stick-Flash-Drive-2Tb-2-Terabyte-Slim-silver-Hi-speed ... "]USB Stick Flash Drive 2Tb (2 Terabyte). Slim silver Hi-speed ... € 400. Not to mention USB 2.0 - would take [i]forever ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
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Still have to route 2 capacitors, and add GND and VCC ...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 …
... ) The fault occurred after just 2 capacitors were replaced (the ones near ... the coil)
2) It gives a good clean ... just because a couple of capacitors were replaced. So it is ..."Self Isolation" and Speccy PCB repair"These Days" of "home self-isolation" , particularly on rainy days , I reckon I will have more time to hone my Speccy PCB repair skills which are s…
... up thinking I had 2 Samsung Issue 4S Spectrums ... as I replaced these capacitors one at a ... redid the RHS 4 capacitors but the dispay remained ... other bottom of PCB capacitors the screen display cleared ...
The last 2 capacitors on the left side of ...Faulty +2 Grey :(Hello everyone... i was trying to fix a +2 grey board the other day, i had it for some time now. It gave a black screen (paper and border) with two …
... was trying to fix a +2 grey board the other day ... chip base to a working +2 grey i have in order ... ...
ps. all electrolytic capacitors have been replaced with new ...Problems with a gray ZX Spectrum +2Hello. First of all, thank you for receiving me on this forum. I'll try to help everybody as well as I can Said that, I want to do two questions abo…
... about my gray ZX Spectrum +2:
[LIST=1]
[*]The ... video signal by reducing the 2.2K resistor on the amplifier ... +2%20board_2.jpg[/url] )
I have multimeters, diodes, resistor, capacitors ...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…
... hands on an old issue 2 from a friend. Price was ... adjusting the variable resistors and capacitors without any success. Next guess ... some of the RAM or capacitors has a short cut and ...Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…
... at TV channel on gray +2?
In the beginning this ... ? Maybe I should recap all capacitors on +2 board (bipolar and ceramic ...strange solution with bad spectrum +2 t.v. sound2 weeks ago I bought a British 128 K ZX-Spectrum +2. At first it didn't have sound on the t.v. RF output. Adjusting L5 (IC 11: MC1376 audio modulato…
... British 128 K ZX-Spectrum +2.
At first it ... that if I touched pin 2 or pin 4 of IC11 ... tried a few things with capacitors and resistors with varying results ...Spectrum +2 grey 12v railHello everyone, I have this grey +2 with no video from tv. After much reading and testing i realized it was the internal power supply. At the 12v ra…
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I have this grey +2 with no video from tv ... tested several diodes, resistors and capacitors and saw nothing wrong. The ... type of coil by touching 2 terminals with the DMM.
The +2 suspicious coil is in impeccable ...Issue 2 video problemHello all, Need some help with an issue 2 board that I 'm trying to restore. I've replaced all the electrolytic capacitors, changed the voltage regu…
... some help with an issue 2 board that I 'm trying ... 've replaced all the electrolytic capacitors, changed the voltage regulator, tr4 ...Pentagon 1024SL 2.2 kits (maybe?)Hey there, I'm currently getting my Pentagon 1024SL 2.2 back to work and while looking for spare ICs I found a really cheap source for CPLDs and TTLs…
... currently getting my Pentagon 1024SL 2.2 back to work and while ... 74ALS chips)
~10€ for capacitors, resistors, russian transistors (different pinout ... -8MHz
3€ VG93
2€ ROM (blank or 7€ programmed ...CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
... information on the specifications of capacitors that should be used as ... am dealing with an Issue 2 and and Issue 3 board ...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…
... revive a dead ZX 128K +2 (the grey one).
capacitors.
The TEA2000 is ...ZX Spectrum +2 (grey case) voltage converter circuit oddity.I'm working on repairing one of these and have encountered a possible problem and I'm not sure what I can best do about it, if anything needs to be d…
... . I have used new electrolytic capacitors.
The Spectrum ... some comparisons with another +2 and found that R79 becomes ... one, taken from the +2 service manual. It wrongly showed ... zx.zigg.net/misc/ZX_Spectrum_+2-grey-voltage_converter.jpg[/IMG]
Issue 2 Spectrum - Black screenHi I have an issue 2 spectrum which I'm having some issues with. I bought it on ebay so have no idea of the history or how it came to be broken. Whe…
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I have an issue 2 spectrum which I'm having ... replaced all of the electrolytic capacitors.
When I turned it ... measured the resistance of pin 2 of the lower RAM and ... very low reading on pin 2.
I replaced the offending ...Spectrum+2 Tape Deck Buzz<p>I've been messing with a Iss3 0500 Spectrum +2. So far I've replaced the electrolytic capacitors, flipped the transistors, add…
... 0500 Spectrum +2. So far I've replaced the electrolytic capacitors, flipped ...+2 Grey versionsThis thread is an attempt to pin down the various hardware revisions of the +2 Grey. If anybody can provide further images from their machines or fur…
... [/i]Fitted with radial capacitors, 2 bodge resistors and a ... [/i]Fitted with axial capacitors (excess stock left over ... Week 40): Colour of capacitors change [img]http://benophetinternet. ... Week 45): Colour of capacitors change, different diodes, changes ...No colour - Issue 2 SpectrumThis one is driving me mad - any suggestions appreciated. I have an issue 2 Spectrum with no colour at all. I found the 12v rail was at just over …
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I have an issue 2 Spectrum with no colour at ... anyway - again no luck. Replaced capacitors, and TC2 trimmer. Again no ... them on a different issue 2 board to verify it wasn ... have a fully working issue 2 board to check against at ...bizarre error on a grey ZX Spectrum+2 - the long search for a small problemHi, I got a ZX Spectrum+2 that worked a bit but crashed while loading or running 128k games. I installed a 128k-test-ROM that told me about RAM fa…
... I got a ZX Spectrum+2 that worked a bit ... seems to work. I tested 2 interfaces (MB02+ and divIDE ... and also the electrolytic capacitors around it. After powering ... the transverter of a grey +2 is ok! :)
2.
Greetings ...
