World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.002s
<1234567…34>
  • Spectrum +2 power supply - voltages on each pin..?My +2 suddenly stopped working yesterday. It was working fine earlier in the day and now the power light will not go on, nor will the tape drive and …

    ... few parts I notice the voltages going across the connector to ... happen to know what the voltages should be coming from each ...
    STKD STKD January 2008 Hardware
  • 48k spectrum restarts by itselfFirst of all hello from a newb and thank you for your help. This site has already offered me a lot of insight. I have a 48k spectrum that will boot …

    ... problem as "Check the TR6". Now on loking at ... ] here I believe the voltages maybe wrong. But I ... are symtoms of the TR6 resetting the machine and ... to replace the ZTX313 (TR6) however while I wait ... go when looking at the voltages at various legs. However ...
    hedge hedge January 2010 Hardware
  • Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…

    ... not help.

    Tested TR6 as i could and compared ... is about .6A
    All voltages checked - all fine.
    Looked ... a brilliant idea to put TR6 couple of millimeters away under ...
    ArtemKuchin ArtemKuchin May 2012 Hardware
  • zx spectrum without TR6 (ZTX313)Hi is it possible that a zx spectrum 48 issue 2 works without TR6 (ZTX313)? Should be very interesting.

    Hi
    is it possible that a zx spectrum 48 issue 2 works without TR6 (ZTX313)?
    Should be very interesting.
    landex landex October 2013 Hardware
  • Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…

    ... the board and tested the voltages again. Surprisingly, -5v was ... /> 5. Failure of TR6

    Now TR6 in some earlier boards ... enormous current will flow through TR6 and will probably kill ... the transistor!) Now that the TR6 hypothesis was strong enough to ...
    Winston Winston December 2013 Hardware
  • Spectrum Issue 2 - TR6 ReplacementI've just got my hands on an Issue 2 ZX Spectrum, that needed some repairs. The picture quality after doing a composite modification was pretty shodd…

    ... one of the legs on TR6 (the transistor that sits awkwardly ... up for me exactly what TR6 is doing. I Googled it ...
    retrogamemart retrogamemart August 2014 Hardware
  • Pictures of 48k ZX Spectrums Showing the Important Voltages[SIZE=6][B]Pictures of 48k ZX Spectrums Showing the Important Voltages[/B][/SIZE] [URL="https://farm4.staticflickr.com/3841/15005543009_7bcf3b3031_o…

    ... ZX Spectrums Showing the Important Voltages[/B][/SIZE]

    [URL ...
    1024MAK 1024MAK September 2014 Hardware
  • New colour palette for 16K/48K/+ machines, based on ULA YUV voltagesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA. This colour palette …

    ... don’t have the YUV voltages in Chris Smith’s book ...
    rga24 rga24 February 2018 Emulators
  • Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to replace TR4 and …

    ... ...". It doesn't match the voltages given in the great book ...
    paf paf November 2018 Hardware
  • sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …

    ... 's
    here are the voltages in my low ram, see ... and cry :) the best voltages! :) I have tested on my ... problem?

    i check tr6 ... on first leg where is ...
    gorski gorski February 2008 Hardware
  • ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…

    ... C44, C45, C46, TR4 and TR6.

    TR5 (ZX213) has ... doesn't work, and the voltages measured on the 4116s are ...
    Zup Zup February 2012 Hardware
  • 48k not startingHi team, I have 2 48k's, one works (Issue 4s), one doesn't (Issue 4a). The non-working one appears to start, but not finish the RAM test. The pape…

    ... hot are perfectly normal, and voltages being a few 0.1v ... either.

    TR3 and TR6 are most likely fine (TR3 ... a clock signal amplifier, and TR6 corrects an issue with ULA ...
    balford balford September 2015 Hardware
  • voltagesAll the Spectrums use a 9V power supply, I think. But would you get away with using a transformer that only gives you 7V?

    All the Spectrums use a 9V power supply, I think. But would you get away with using a transformer that only gives you 7V?
    Spector Spector February 2002 Sinclair Miscellaneous
  • +3 Power Supplyg'day everybody. sorry to be asking for help in my first post (i know it's a tad rude), but how "generic" is the +3 power supply? does it supply mult…

    ... supply? does it supply multiple voltages like the C64's power ...
    ma3a_operat0r ma3a_operat0r June 2004 Sinclair Miscellaneous
  • Can't tune into spectrumHi - I recently discovered an old ZX Spectrum in amongst a load of junk (it's the 48K version). Not sure whether it works yet because when I try to t…

    ... more thing: I checked the voltages on pins 1 and 9 ...
    IglooGuy IglooGuy February 2005 Sinclair Miscellaneous
  • ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…

    ... OK. I have checked the voltages and they are all OK ...
    Tom-Cat Tom-Cat September 2005 Sinclair Miscellaneous
  • Composite video mod on a 16K issue 2, not workingI carried out the composite video mod detailed here: [url]http://user.tninet.se/~vjz762w/fixuspec.html[/url] I chose the one that requires the trans…

    ... +5V lines by measuring the voltages with the meter before I ...
    patters patters September 2006 Hardware
  • 128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…

    ... /> I used multimeter to read voltages, don't have an oscilloscope ...
    netomc netomc September 2006 Hardware
  • Component Equivalents/substitutionsA while ago, I mentioned to somebody in a thread that we should have a list of component equivalents and substitutions so that it's easier to fix our…

    ... at TR1, TR2, TR3 and TR6 on an issue 3B board ...
    DEATH DEATH December 2006 Hardware
  • 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…

    ... left of the ULA chip (tr6/7 ???? i don't remember ...
    gtsamour gtsamour March 2007 Hardware
  • Dead +2B, help required...It was bought defective on ebay. It came with two faults: a "dead" power supply (it was the fuse) and a faulty main unit. The power supply is now re…

    ... 'll try to check all voltages on the ICs, but I ...
    Zup Zup March 2007 Hardware
  • Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…

    ... and feed in the right voltages to the socket, what is ...
    Martin Baugh Martin Baugh April 2007 Hardware
  • Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …

    ... the deck? it needs two voltages, +5 and +6. Copypasted from ...
    wilsonsamm wilsonsamm July 2007 Chit chat
  • I want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…

    ... the power supply, making the voltages fluctuate and therefore killing the ...
    guesser guesser September 2007 Hardware
  • how to set voltage regulator to the correct setting ?On the power supply that is broken it says AC adapter INPUT : 230v 50Hz OUTPUT ; 9v 200mA Regulated On the variable voltage adapter i have the…

    ... sliding switch with various different voltages 3v, 4.5v, 6v, 7 ...
    swordheart swordheart September 2007 Chit chat
  • Speccy 128 QuestionMainly for the experienced speccy resurecters around these parts. Have you ever had a Speccy 128 with a borked TEA2000 video chip? The reason I ask…

    ... so far tested that the voltages are all ok, and keyboard ...
    Womble Womble October 2007 Hardware
  • GP2X F200 QuestionsI should be receiving a GP2X F200 in the mail any day soon and was wondering if any of you have one. I wanted to get a power supply as well at some …

    ... that as long as the voltages are correct it may be ...
    Klepto Klepto April 2008 Chit chat
  • R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…

    ... electrolytic capacitors, full check of voltages, new voltage regulator, new membrane ...
    thomas3120 thomas3120 February 2009 Hardware
  • SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…

    ... , that need 3 different supply voltages and are often the cause ...
    RetroTechie RetroTechie February 2009 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... faulty
    pcb had bad voltages when I power up
    voltages got back
    on ic6 ...
    gorski gorski March 2009 Hardware
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
tr6 104 152
voltages 1.2K 1.5K

Related Threads

  • voltagesAll the Spectrums use a 9V power supply, I think. But would you get away with using a transformer that only gives you 7V?
  • Spectrum +2 power supply - voltages on each pin..?My +2 suddenly stopped working yesterday. It was working fine earlier in the day and now the power light will not go on, nor will the tape drive and …
  • Lower Memory - Why Multiple Voltages?Having spent much of the weekend working on getting my old Spectrum working, my Dad (who is visiting) and I were chatting about the schematic.<br /> …
  • zx spectrum without TR6 (ZTX313)Hi<br /> is it possible that a zx spectrum 48 issue 2 works without TR6 (ZTX313)?<br /> Should be very interesting.
  • Spectrum & ZX81 PSU Strange VoltagesHi all<br /> <br /> I've just refurbished my ZX spectrum PSU after i accidently broke one of the wires i soldered the joints to the PCB nicely and al…
  • Spectrum Issue 2 - TR6 ReplacementI've just got my hands on an Issue 2 ZX Spectrum, that needed some repairs. The picture quality after doing a composite modification was pretty shodd…
  • Pictures of 48k ZX Spectrums Showing the Important Voltages[SIZE=6][B]Pictures of 48k ZX Spectrums Showing the Important Voltages[/B][/SIZE]<br /> <br /> [URL="https://farm4.staticflickr.com/3841/15005543009_…
  • Voltages from Original ZX Power suppliesHi. I've recently picked up a few power supplies in boot sales, one for a ZX81 and another for the ZX Spectrum.<br /> <br /> For the first time eve…
  • New colour palette for 16K/48K/+ machines, based on ULA YUV voltagesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA.<br /> <br /> This col…
  • Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World<br /> <br /> I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to repl…

Related Searches

  • issue 2 tr6
  • tr9 voltages
  • no voltages
  • tr6
  • tr6 ula mark
  • tr6 ula
  • tr6 dead cockroack
  • ay voltages
  • spectrum issue 2 voltages
  • tr6 faulty
  • low voltages
  • voltages palette
  • rectifier voltages

Copyright © 2024 World of Spectrum