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RECOM pin compatible DC-DC 7805 regulator replacementsFinally got myself sorted out now. If you want to purchase chips send me an email to [email]alistair@alistairsserver.no-ip.org[/email] with your payp…
... to have a input protection diode (to prevent damage when accidentally ... -
RECOM pin compatible DC-DC 7805 regulator replacementsFinally got myself sorted out now. If you want to purchase chips send me an email to [email]alistair@alistairsserver.no-ip.org[/email] with your payp…
... recommend to add a suppressor diode BZW06/5.8 [URL="http ... of the switching regulator. This diode is able to take up ... my MB02+IDE has such diode and my spectrums will be ... saved also by such suppressor diode.
Greets Ingo ... -
Issue 2 headache!Ive got an issue 2 here that firstly had a blown regulator (fixed), now its reading as a 16k machine (its fully populated), ive replaced and socketed…
Since i haven't got a continuity test on my meter (because its cheap tat) ive had to use the diode test just to see if there is any connection, pin 3 on the upper ram is displaying results on all of them -
Spectrum 128K (toast Rack) displaying white as yellow issueHi, I have a chance to buy a Spectrum 128 (toast rack) model which the owner says is working fine except that when it is hooked up to a Amstrad Moni…
... have anything suspicious. Measure the diode at the pin 8 output ... -
128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... voltage divider and a zener diode at the input.
Then ... -
128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... voltage divider and a zener diode at the input.
Then ... with sending 'sound' through a diode. The signal will be flat ... -
128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... voltage divider and a zener diode at the input.
Then ... -4 capacitors and a zener diode are needed. The TL712CP in ... -
128k +2 (grey) Ear mod - New ULA and still problemsBverstee kindly sold me a 128K ula since the one in my +2 seemed to have a broken ear in. But even with the new ULA, I still can not load games throu…
... -4 capacitors and a zener diode are needed. The TL712CP in ... -
Raspberry PiThis looks interesting .... [url]http://www.cl.cam.ac.uk/freshers/raspberrypi/tutorials/os/[/url] Anyone got one yet ?
... the silk screen:
D9 (Yellow LED) graphic changed from ... -
Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …
... . If you look at the diode-lookalikes, what you see inside ... -
Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …
... . If you look at the diode-lookalikes, what you see inside ... -
Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …
... ZX81's here with these diode-style capacitors in them (both ... -
+2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…
...
Bright Signal ---- 1N48 diode |> - Red Component Signal ---- 150R ... bright)
Bright Signal ---- 1N48 diode |> - Green Component Signal ---- 150R ... bright)
Bright Signal ---- 1N48 diode |> - Blue Component Signal ---- 150R ... -
Semi-Dead Spectrum - Help RequestedI have finally got my hands on my two old Spectrums - neither of which work, but ideally I hope to get both of them working again. Spectrum number o…
... relevant address line through the diode and if the address line ... -
ZX Spectrum Light Gun - PROGRAMMINGAmongst some items I recently acquired was some information on the Spectrum Light Gun. Amongst this is a bit of hand-written paper which gives the i…
... were just a light sensitive diode.
Either they see ... -
ZX Spectrum Light Gun - PROGRAMMINGAmongst some items I recently acquired was some information on the Spectrum Light Gun. Amongst this is a bit of hand-written paper which gives the i…
... were just a light sensitive diode.
Either they see ... -
Tape loading for realHi, Having failed to load anything from my laptop or phone into my 48k, I have sourced a data recorder. An acorn ALF03. When I received the item I …
... the "loud speaker" or one diode and a transistor in series ... the signal level exceeds the diode (or diode and transistor) switch on ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... ZX-Spectrum programs (namely removed diode D1 and modified ROM content ... Portuguese and Spanish versions was diode D1, used to force a ... this model, there's no diode D1 anymore (perhaps to improve ... -
Magnum Light Phaser issueHi! I have a Spectrum +2A and I have recived a [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=1000237"]Magnum Light Phaser[/URL]. I have tes…
... be broken or the light diode inside it is burnt (less ... -
Magnum Light Phaser issueHi! I have a Spectrum +2A and I have recived a [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=1000237"]Magnum Light Phaser[/URL]. I have tes…
... be broken or the light diode inside it is burnt (less ... -
Fixing a broken ZX Spectrum HELPHello I have no experience with computers predating the PC and this is my first computer of this sort S: One of my father's coworkers gave me his ol…
... hand. It must have a diode check.
More suggestions ... -
Fixing a broken ZX Spectrum HELPHello I have no experience with computers predating the PC and this is my first computer of this sort S: One of my father's coworkers gave me his ol…
... hand. It must have a diode check.
More suggestions ... -
Is the 128K heatsink's TV out modulator kit repairable?I have a 128K+ Spectrum that is working absolutely fine and is giving out the perfect picture from its RGB out socket (with the right cable ofcourse)…
Is the 128K heatsink's TV out modulator kit repairable?I have a 128K+ Spectrum that is working absolutely fine and is giving out the perfect picture from its RGB out socket (with the right cable ofcourse)…
... a component then probably a diode or a resistor.[/QUOTE]This ...New colors / switchable color palette with regular ULA ?Hello. This may be an ignorant question but I just thought about it today and wanted to post it here to get some opinions. OK, so, today, while goin…
... and Bright outputs with resistor-diode logic for the bright signal ...New colors / switchable color palette with regular ULA ?Hello. This may be an ignorant question but I just thought about it today and wanted to post it here to get some opinions. OK, so, today, while goin…
... on how to clobber the diode logic to force RED and ...Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... /> So, putting a fast schottky diode, in series with a 1K ...Internal modern 1.44MB 3.5 drive for +3Hello! this [url]http://www.secarica.ro/html/plus3_hardware.html#3and5inchdrive[/url] says that modern 1.44MB 3.5 driver are unusable as interval …
... signal, I have used a diode solution, like this: [url]http ...Internal modern 1.44MB 3.5 drive for +3Hello! this [url]http://www.secarica.ro/html/plus3_hardware.html#3and5inchdrive[/url] says that modern 1.44MB 3.5 driver are unusable as interval …
... signal, I have used a diode solution, like this: [url]http ... 12 lines? What kind of diode did you used?