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DivMMC clock bufferI have completed the first DivMMC EnJOY today: [url]http://www.worldofspectrum.org/forums/showthread.php?t=44238[/url] But there is a problem with t…
... =velesoft;714005]See also DIVMMC+ schematic:
[url]http://www.zxbada ... .bbk.org/zxmmcp/schematic/zxmmc+_schematic.pdf[/url][/QUOTE ... -
divide loading errorsHi All, Just bought a divide unit and I am having a few problems. I select the TAP file from the fatware browser, then do a load "". I get a lot of …
... found an error at my schematic I did in the past ... input current - that way my schematic would not work. I corrected ... -
Keyboard has a life of its own?I just received a Spectrum+ Issue 4S, where I had to replace the MIC connector and I also did the Composite mod. So far it works just fine, but when …
... manual. Use the issue 4 Schematic as the issue 4S is ... -
DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... the two transistors (in the schematic linked to earlier in this ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... the circuit to produce a schematic, by the looks of it ... -
DivIDE black editions availableI have about 6 more DivIDE black editions ready, and will finish more this week. [B]DivIDE 57c BLACK edition including ESXDOS 0.8.5 and 1GB CF card[…
... know, exist web page with schematic and firmware for GAL chip ... of GAL firmware + compare with schematic for make full info, but ... -
DivIDE black editions availableI have about 6 more DivIDE black editions ready, and will finish more this week. [B]DivIDE 57c BLACK edition including ESXDOS 0.8.5 and 1GB CF card[…
... from firmware of GAL20v8 and schematic:
[B]PLUS ... be randomly connect. But in schematic I see that all FDD ... -
Hardware description - PLUS D interfaceThis new thread will contain onformations of different ZX devices. Some devices contain manuals, schematics or firmware for some chips, but some peop…
... from firmware of GAL20v8 and schematic from here:
[url]http ... -
Opus Discovery PSU[IMG]http://www.scotek.net/zx spectrum/opus.jpg[/IMG] This is a photo of my Opus Discovery transformer. Can anyone tell me what the connections are …
... is required by studying the schematic diagram. That will have 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…
... D20 / C41 / R55 (see the schematic in the +2 service manual ... -
Hardware description - PLUS D interfaceThis new thread will contain onformations of different ZX devices. Some devices contain manuals, schematics or firmware for some chips, but some peop…
... from firmware of GAL20v8 and schematic from here:
[url]http ... -
No sound from speaker.Help! My trusty 48k has stopped giving me sound out of the speaker. It does however give me sound from the EAR socket. I've tried swapping the spea…
... trouble.
Looking at the schematic, the speaker circuit is driven ... -
Hardware description - PLUS D interfaceThis new thread will contain onformations of different ZX devices. Some devices contain manuals, schematics or firmware for some chips, but some peop…
... />
This version use different schematic and different firmware of PAL ... -
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…
... ] and cross reference with the schematic [URL="http://www.worldofspectrum.org ... -
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…
... /> I'll look at the schematic around the RGB socket and ... -
New audio interfaces.I heard that gasman and someone else had to release two new input interfaces for spectrum+AY : a theremin interface and something else I can't rememb…
... /> I tried to find a schematic of the RAM Music Machine ... -
Hardware description - MB-02+ interfaceOn this thread will soon released info about MB-02+ idisk interface ( memory paging mechanism, list of ports, addressing, MB IDE, schematics, etc... …
... ;717422]
MB-02+ schematic (last fixed version with signed ... understand this circuitry changed the schematic using an IO19 74LS04 ... because I use the original schematic) while my old original MB02 ... should be marked in the schematic!
[IMG]http://www ... -
Hardware description - MB-02+ interfaceOn this thread will soon released info about MB-02+ idisk interface ( memory paging mechanism, list of ports, addressing, MB IDE, schematics, etc... …
... (because I use the original schematic) while my old original MB02 ... should be marked in the schematic!
[IMG]http://www.truppel ... good know. But my fixed schematic correspond with true connection on ... used 74LS04 as on my schematic. -
Hardware description - MB-02+ interfaceOn this thread will soon released info about MB-02+ idisk interface ( memory paging mechanism, list of ports, addressing, MB IDE, schematics, etc... …
... new version of MB-02+ schematic with signed changes and correct ... -
ZX meets Atmos[URL="http://www.ebay.co.uk/itm/SINCLAIR-ZX-SPECTRUM-2-GREY-128K-CUSTOM/171109564816?_trksid=p2047675.m1850&_trkparms=aid%3D333005%26algo%3DRIC.FIT%2…
... />
BTW: is there any schematic of the +2A keyboard matrix? -
ZX meets Atmos[URL="http://www.ebay.co.uk/itm/SINCLAIR-ZX-SPECTRUM-2-GREY-128K-CUSTOM/171109564816?_trksid=p2047675.m1850&_trkparms=aid%3D333005%26algo%3DRIC.FIT%2…
[QUOTE=mcleod_ideafix;719169]BTW: is there any schematic of the +2A keyboard matrix?[/QUOTE]
I drew out the matrix diagram a few weeks ago.
[img]http://alistairsserver.no-ip.org/public/spectrum/+3KeyboardMatrix.png[/img] -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... I need to check the schematic) it may be possible to ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
Is this version of the schematic ([url]http://www.nedopc.org/ ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... ]Is this version of the schematic ([url]http://www.nedopc.org ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... ]Is this version of the schematic ([url]http://www.nedopc.org ... -
Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... and EPROM. According to the schematic, this is mapped to addresses ... -
Op-amp question for the more knowledgeable tech headI have a dual op-amp IC in a 9 pin SIL package. Pin 1 and 9 are Vcc as marked on the datasheet. The internal schematic as supplied on the datasheet…
... supposed to be separate. The schematic of the internals show the ... -
INTERFACE 2 - light versionSmall interface (adapter) compatible with INTERFACE 2. Contain only slot for IF2 cartridges and reset button (for rubber speccy). Not contain joystic…
... /interface2_light_v1.zip[/URL]
Schematic / pinout :
[IMG]http://velesoft ... -
New hardware for Spectrum from ShaosI have some ideas for new ZX-peripherals and quickly designed a prototyping board for experiments: [URL=http://nedocon.com/store/speccy/][IMG]http:/…
... somewhere?[/QUOTE]
See schematic with pinout here:
[URL ...
