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Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…
... Circuit Board which has a faulty ROM Chip. Is it possible ... -
TIPP31 transistor questionYesterday I had the time to try and repair a 4S issue 48k spectrum I had. First of all I replaced all the electrolytic capacitors. The tr4 transistor…
... so it had to be faulty. I replaced it, now the ... -
I have joined the Dark SideGone and bought a PS3 that is. Even after all of the posts I made about not getting one as they were so expensive I succumbed and sold my 360 (and o…
... returns they've had of faulty 360's and how he ... -
My SurplusHere's a list of stuff that I plan to sell. Please let me know if you're interested in any of the items listed below. If you need pictures or more de…
... told it could be the coil.
Includes TV cable, AC ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... short circuit over the coil, which caused the coil and ferrite core ... -
+2B ram chips?Hi all, I have got 2 Plus2B`s and 1 Plus2 gray case. Ok the one Plus2B don`t work, so I tried to see if I could pin down the problem. I changed the …
ZX Spectrum 128+ problemsHello!I recently purchased and got myself a spectrum 128+ from ebay.The item did not have an original power supply so i got a power supply of 9volts …
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Could it be a faulty RF connector (the big box ... the RF output) or a faulty Ferranti ULA chipset?
Spectrum+3Hi all, Got my Spectrum+3 from eBay this afternoon. Powered it up to find the drive belt is a no go. So I need a drive belt, Ok easy to get hold of n…
... in my +3 may be faulty with or without the drive ...Regarding older dot-matrix printersLong ago I had the [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/hardware-adverts/ZXLprintIII.jpg"]Lprint III interface[/URL] and I still have (in…
... printer is found to be faulty? Rich mentioned that there aren ...The Big Four Oh (Oh Oh)!Wow! I can't believe I've just reached the 4e3 point. As you all know, it's customary for me, on reaching such milestones, to ruminate, reflect on, a…
... very first Speccy - a slightly faulty 48K, which means I've ...Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…
... if zero then RAM is faulty.
Use current HL as ...+3 and 3.5 Floppy Disk DriveCan anyone please help ?. I have a +3 with a faulty Floppy Drive and have a couple of spare 1.44 IDE 3.5 HD Floppy Drives. Does anybody know of a…
Can anyone please help ?.
I have a +3 with a faulty Floppy Drive and have a couple of spare 1.44 IDE 3.5 HD Floppy Drives. Does anybody know of a modification to enable a modern 1.44 3.5 HD Floppy Drive to be used in the +3To Winston , diag-interface.Hello to all, first, sorry for my english i'm from spain and my english is very poor. Wiston, thank you very much for your great work "diag-interface…
... all video ram but still faulty. Thanks you again,
Francis ...divIDE woesHi y'all ! Last night I built my lovely divIDE ;-) I downloaded flasher and +divide.tap from [url]http://www.biehold.nl/rudy/+divide/index.htm[/url…
... to happen? Could I have faulty eeprom, or GAL's (they ...128 I/O portsIn The Spectrum Hardware Manual there is a small circuit on page 71/72 to allow 128 I/O ports by using IORQ+A7 to override IORQGE, so any I/O access …
... =0, and IORQGE=0. A faulty ULA responds when IORQGE=0 ...+2A, are they all this incompatible?My +2A does not seem to be faulty but the number of games that don't run on it are silly. Scooby Doo(Elite), Crazy Cars , Turbo Outrun, Vindicator(im…
... does not seem to be faulty but the number of games ...Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... and one of them was faulty. Since its easier, i got ... program it sais there is faulty RAM at address 8000, and ...Name The Game ... Commando/Duet style game.I remember playing a Load'n'run game coupla decades ago, it was a Commando-themed game, the layout of the playing screen was very similar to [URL="ht…
... before ... oh, well ... that's faulty RAM for ya.Faulty Spectrum (help requested)I have an issue 6a specci. It's Z80 has the fault m1 line problem (Multiface 128 does not work). So I decided to put in a new Z80 but unfortunately i…
I have an issue 6a specci. It's Z80 has the fault m1 line problem (Multiface 128 does not work). So I decided to put in a new Z80 but unfortunately it was not socketed. So I unsoldered it, soldered in a socket and put the Z80 in again. Unfortunately the ...DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... someone would say "its a faulty M1 line of the Z80 ... speccy i had with a faulty M1 line a year ago ... one of them having M1 faulty line.
The same Z80s ...New to +2Hi, glad to be writing after a while lurking. Pleased to meet you all!:-) I have got massively back into spectrum gaming after selling my seccy yea…
... , or do I have a faulty +2A?
I would be ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is nothing would been connected. But if I boot it from a ROM cartridge, it works as expected, so I cannot blame ...48k idle soundis there an emulator that emulates the genuine 48k idle hiss/noise (or whatever it's called)? I mean the sound heard when there is no sound, but buz…
... the buzzer but some other coil emits that noise but anyway ...xbox 360 wireless adapter problems - help?I just bought a brand new Xbox 360 Wirless Networking Adapter. I can't get it to work, it seems. When i run Test Xbox Live Connection, it falls at t…
... I have bought a faulty adapter, have a faulty xbox, or am ...Video fault with my spectrum, any ideas?Spectrum not working, CPU still seems to work, as the "BEEP" command still operates if machine is plugged in, however it no longer displays a picture…
... have any ideas what maybe faulty?
Thanks ShomennoProblem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …
I've just got a Discovery Opus, but it seems to be faulty.
When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", but there is no response on any key.
Ideas are very welcome.When I DieI wonder how many of us has thought what will become of our beloved collections when we finally slip off this-mortal-coil? It makes my blood run cold…
... finally slip off this-mortal-coil? It makes my blood run ...Post your computer stupiditiesI used to check this site out quite a lot [url]http://www.rinkworks.com/stupid/[/url] but it doesnt get updated much. So i was wondering what stu…
... me that the keyboard was faulty and would print on screen ...
