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Search Again :: Adv Search 1000 results in 0.066s
<1234567…34>
  • Spectrum 48k Power On ProcessI have a 48k Spectrum here that maybe does something strange on power on. Could somebody confirm what is meant to happen when power is applied? On …

    ... that maybe does something strange on power on.

    Could somebody confirm ... to happen when power is applied?

    On this one I ...
    wep855 wep855 October 2014 Hardware
  • what components normally get taken out if you plug+unplug a joystick interface in with the power onwhat components normally get taken out if you plug+unplug a joystick interface in with the power on? i remember doing this a few times when i had …

    ... joystick interface in with the power on?

    i remember doing ...
    digital digital October 2018 Hardware
  • ZX Spectrum Pre-regulator DesignCarrying on from the "[URL="http://www.worldofspectrum.org/forums/showthread.php?t=44486"]Issue 2 crashes after about 30 mins[/URL]" thread... [QUOT…

    ... reverse polarity protection and a power on LED. If you wish, a ... 5mm standard green LED
    TR1 .... NPN power transistor, IC max ... peripherals or expansions that draw power from the Spectrum, or ... The voltages varied slightly depending on which of the three ...
    1024MAK 1024MAK August 2013 Hardware
  • Bit of fun - ToastRack , one change onlyAlthough there's an old "one change only" topic about, I was thinking about the toastyrack 128's earlier. Its actually the only Spectrum model I've n…

    ... to costs so no adding on another 384K of Ram please ... bit more 'does not work on 128' is OK though I ... simple one: build in a "Power on" LED ?
    A proper (mains switched ...
    spider spider November 2020 Hardware
  • The best spectrum to buy?I bought a +2 on ebay recently(my spectrum+'s RF unit went fizz) and i'm having some problems with it.... Sabre wulf, Aticatac, Jetpac all lock up a…

    What about Timex 2048? It's a very good Spectrum 48k clone, with plastic keyboard, on/off switch, kempston joystick port, power-on LED. Over 90% of software (48k) works. It has also few extra gfx-modes.
    PopoCop PopoCop September 2005 Sinclair Miscellaneous
  • Replacing ZTX650 with BD139Today I blew up one of the GALs on one of my DivIDEs while testing on my Toastrack. Shorted M1 with 12V and the 12V circuit broke. I had to replace T…

    ... for a friend with a power-on-led, an audio amplifier-speaker-volume ...
    Knik Knik September 2012 Hardware
  • Issue 2 crashes after about 30 minsHi Guys, I have an Issue 2 zx spectrum that seems to get graphic corruption after about half hour of playing, then finally falls over and crashes. …

    ... reverse polarity protection and a power on LED. If you wish, a fuse ... and a on/off switch can be added ... or 5mm standard green LED
    TR1 .... NPN power transistor, IC max ...
    1024MAK 1024MAK July 2013 Hardware
  • Issue 2 crashes after about 30 minsHi Guys, I have an Issue 2 zx spectrum that seems to get graphic corruption after about half hour of playing, then finally falls over and crashes. …

    ... 'm not using a bench power supply, I usually use a ... box and has an on/off switch and power on LED. It produces approx ...
    Zorn Zorn July 2013 Hardware
  • Sinclair in white on rubber keyOne of my rubber 48k's has sinclair in white instead of black! Did they ever do a run of cases like this, or was a previous owner just good with a t…

    ... the one that got dropped on the nice freshly painted white ... like the power on LED. BITD, I thought of adding a power on LED. But ended ... , home built PSU and a power on LED :razz:.

    [I][B ...
    1024MAK 1024MAK October 2013 Hardware
  • Sinclair in white on rubber keyOne of my rubber 48k's has sinclair in white instead of black! Did they ever do a run of cases like this, or was a previous owner just good with a t…

    ... the one that got dropped on the nice freshly painted white ... like the power on LED. BITD, I thought of adding a power on LED. But ended ... , home built PSU and a power on LED :razz:.

    [I][B ...
    skagon skagon October 2013 Hardware
  • 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 …

    ... it has a nice green power on LED[URL=http://s827.photobucket.com ...
    harriusherbartio harriusherbartio February 2016 Hardware
  • 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 …

    ... led emitting a light from the LED on the 5v/12v cheap Chinese power ... third and top power supply will sit on the pair below and ... seen and the green "power on" LED will be visible on top . It cannot ... strong "Discovery" chassis and green "power on" LED on top!
    harriusherbartio harriusherbartio March 2016 Hardware
  • 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 …

    ... (like a Recom or Traco Power) in place of the 7805 ... /> [*]Have a on/off switch in it's power lead.
    [*]Have ... at least one "power on" LED. Maybe one LED for each of the ... four power rails if space can ...
    1024MAK 1024MAK July 2017 Hardware
  • ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …

    ... (like a Recom or Traco Power) in place of the 7805 ... /> [*]Have a on/off switch in it's power lead.
    [*]Have ... at least one "power on" LED. Maybe one LED for each of the ... four power rails if space can ...
    1024MAK 1024MAK July 2017 Hardware
  • Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…

    ... (TS2068 PAL chip) was based on Ferranti ULA 5C112E (as far ... models had been designed based on different principles. TC2068 was modified ... bad keyboard, a proper power switch and power-on led. Size wise is is ...
    Claudius Claudius September 2017 Hardware
  • Spectrum +3 fault - flashing screen on power onHi ive just bought a +3 When I power it on the power led and disk drive led come on. The screen just flashes black and white around the border, almos…

    ... /> When I power it on the power led and
    disk drive led come on.
    mlasham mlasham December 2002 Sinclair Miscellaneous
  • Broken sound on Spec +2My spectrum +2 (with the +3 system board) just gives off static sound through the UHF out. The audio out is also full of static sound. This is sitti…

    ... /> This is sitting at the power on menu, and also in Diag ... , and possibly had it solder on the wrong way around.
    It has printed on it "KBR 6.0 MC ...
    mlasham mlasham September 2002 Sinclair Miscellaneous
  • Help with dead Spectrum +2aHello. My Spectrum +2a died some time ago. It was powered on, I looked away and next time I looked at it, screen was black. I have replaced the 4 r…

    ... time ago. It was powered on, I looked away and next ... red power led is working and screen is steady black when I power on ... ? There is much less documentation on fixing +2a/+3s compared to ...
    Timppa Timppa July 2005 Sinclair Miscellaneous
  • Help! +3 won't work anymore!I've just set up my old +3 and it just won't work - it used to a few months ago but now it won't :( I'm in need of some expert help so here's the pr…

    ... everything in and switch the power on.

    2] TV ... . The top power LED is on fine. The floppy drive LED is on as well ... .

    4] Pressing reset causes the floppy LED ... expert:

    1] The power pack is not working properly ...
    PrinceClumsy PrinceClumsy August 2005 Sinclair Miscellaneous
  • Testing other ZX roms on DivIDE / DivIDE+This is package of different ZX rom images with DivIDE instalator. Each file contain ROM image at adress 49152 + assembler Prometheus with installati…

    ... BOLD fond type
    After power-on is allram mode off.
    on DivIDE+ and original old DivIDE ...
    velesoft velesoft August 2008 Sinclair Basic
  • Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…

    ... types that are 100% ok. Power is 100% ok. Swapped ... board was connected, but no LED lights up. I removed ... What I get when I power up the system, is 8 ... lines. When I switch on the power on and off a couple ... there anything I can watch on the edge connector? What ...
    georgedb georgedb September 2009 Hardware
  • Problem with Spectrum +3 and power onHey, folks! I have here a Spectrum +3 with the following problem: - It has an ATX PSU, adapted and it powers on OK. - When it boots, it shows this …

    ... PSU, adapted and it powers on OK.
    - When it boots ...
    [UFO] [UFO] March 2010 Hardware
  • Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…

    ... the plain white screen at power-on or the black background of ... /> Other systems (PS1, N64, DVD) on the same telly using both ...
    joefish joefish July 2010 Hardware
  • Help and Advice with DivIDE PlusHi Guys, Really struggling to get any reliable actiivty with my DivIDE Plus and am looking for some pointers. I am trying to get it to work with on…

    ... IO Bus, I switch the power on and the Spectrum boots as ... tried holding down SPACE during power on to force FATWARE to identify ... IO Bus, I switch the power on and the screen/RAM consistently ... button on the DivIDE Plus shows no response. Only the Power LED is ...
    BloodBaz BloodBaz September 2010 Hardware
  • Light Gun on LED TV?Hi all! I noticed I can't make a Sinclair Light Gun to work in my LED TV set. Is it possible to make it work in some way? I guess the way the LED TV'…

    ... Gun to work in my LED TV set. Is it possible ... ? I guess the way the LED TV's work make it ...
    pkersey pkersey July 2012 Hardware
  • Flashing systems on DIVIDE interfacesSome peoples can't reflash eeprom chip in Divide interface (original Divide, Divide 2k11, Divide 57d2/57d3). EEPROM chip AT28C64B contain feature fo…

    ... in eeprom if jumper E on divide is open and rom ... ]

    If flasher utility on your Divide show error message ... and copy to root directory on CF card all files and ... /> Insert CF to DIVIDE PLUS, power on ZX and .... ESXDOS 085 work ...
    velesoft velesoft June 2013 Hardware
  • Repair Zx Spectrum +2 Blackhello there, just found a Zx Spectrum +2 Black edition Issue 1 board that doesnt appear anything on the screen, even led dont power on,i have tes…

    ... doesnt appear anything on the screen, even led dont power on,i have test ... appears

    should be power problem among others because the ... board has some optical problems on compoments as i have mark ... how i can test the power componets of the board?
    xaris_sm xaris_sm February 2017 Hardware
  • Screen corruption with devices on edge connector (grey +2)Hi, I've recently done a full capacitor replacement and replaced all 16x DRAM chips on my grey +2. Prior to this I would get a corrupted screen…

    ... few minutes of being on, it would stop ... if I power the Speccy on with something on the edge connector ... remove the device and power-on again and its fine.< ... /> Could this be a power supply issue? I'm using ... the standard +2 power brick (barrel jack) and ...
    Megatron-UK Megatron-UK August 2020 Hardware
  • Help! +3 won't work anymore!I've just set up my old +3 and it just won't work - it used to a few months ago but now it won't :( I'm in need of some expert help so here's the pr…

    ... everything in and switch the power on.

    2] TV cannot ... . The top power LED is on fine. The floppy drive LED is on as well ... +2a some time ago. Power led was on but just black screen (sort ... , and found that:
    - old power supply was fine (I tested ...
    Timppa Timppa August 2005 Sinclair Miscellaneous
  • Interesting nick for an eBay userI've seen 'zxspectrum', 'the spectrum specialist', etc. but I've never seen this one before (the nick of who won the auction :grin: ): [url]http://c…

    I can make out Power On (obscured by cable), Power Off on the left. Is that an LED in the centre left? Ear and Mic centre right. Save top right.

    Can't make out centre marking or bottom right words.
    dekh dekh September 2007 Chit chat
<1234567…34>

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