-
issue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…
... /> Can anyone help with c34 getting hot very quickly? I`ve got ... -
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…
... that the transistor was getting very hot in a matter ... the TIPP31 was not getting hot but the machine still ... be the Z80 or the ROM.
Thank god ... didn't have any other ROM to spare.
... TIPP31 transistor (tr4) is getting hot, not instantly but after 1 ... -
Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…
... Ltd (does this mean the ROM's OK?), but wouldn't ... RAM chips seem to be getting powered correctly (a bit under ... be getting hot except the ULA and to a slight degree the ROM ... -
Nooooo my speccy died!??!!Hi! I am quite sad. :( Tonight I got a kempston interface so I rushed home to try it on my spectrum+ The edge connector of the interface was narrower…
...
Z80 CPU 40%
ROM 40%
ULA 10%
getting hot - replace these. Not all broken ... chips will get hot though, in fact, very few ... the Z80 and then the ROM. If that fails then check ... -
Problem with my speccy 48+My machine boots up but apon booting it freezes and you can see feint grey horizontal 1 pixel lines going down the screen. Is this fixable at all?
... fault, could be ULA, Z80, ROM, RAM (etc etc)
getting hot (or warmer than anything else ... -
Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... - which could be bad RAM/ROM/Z80 yadda yadda yadda.
getting a TV picture is that ... Spectrum's output frequency. Even getting a coptright notice doesn't ... ) Test for components that are getting hot. Especially the 4116 RAM chips ... -
New Spectrum owner - Newbie questionsHi, I just got my first Spectrum in the post today +2a) and I'm looking for some advice on a couple of things: Firstly I'm not the biggest fan of j…
... this a problem? Its not getting hot and the unit powers on ... +2A expansion bus is the ROM Switching part and 9 Volt ... -
2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…
... that the TR5/TR4 where getting hot, so I tried to replace ... EPROM to replace the damaged ROM, but where can I get ... the original 48K ROM? And how can I "transfer ... -
Greetings all overheat problemsfirstly hello everybody and thanks for adding me to the forum dont know if ill be much use here but i hope so the problem i have or should i say a…
... />
1. Check the ROM - is it getting hot?
2. Check the ... ULA - is it getting hot?
3. Check the RAM ... - are any of them getting hot?
I had a ... /> While I was changing the ROM over I noticed or I ... -
One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…
If you can hear the beep, that means the CPU and RAM and ROM are working. Obviously, ULA too.
Transistors getting hot is not good. Check more around the video circuit. -
Grey +2 - DOA and no power lightTook a punt on a grey +2 at the weekend to be a spare. It was "untested" although so were all my other +2's which are all fine. Tried to power th…
... regulator was not getting hot, but the Z80 CPU was getting hot ([b][u ... is working, if the Z80, ROM and RAM and ULA are ... -
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…
ULA and CPU getting hot are perfectly normal, and voltages ... run code from an external ROM (e.g. the Retroleum SMART ... -
Humming psuI have just got myself a +2b and the psu is buzzing like mad. It seems to be working fine, though. It arrived this morning and I have had it switched…
... working ok. It's not getting hot or anything. Just buzzing like ... -
HD TellysWhat are the main things to look for in HD TVs? I know that LCDs are cheaper, but what's the main difference between LCD and Plasma (apart from Plas…
... and Plasma (apart from Plasmas getting hot).
What does Dymanic ... -
New Spectrum owner - Newbie questionsHi, I just got my first Spectrum in the post today +2a) and I'm looking for some advice on a couple of things: Firstly I'm not the biggest fan of j…
... this a problem? Its not getting hot and the unit powers on ... -
YouTube: Information about your videoYouTube are suddenly getting hot on copyright infringement :-) I have had two emails today on using stuff in my videos. No takedowns. Just advising…
YouTube are suddenly getting hot on copyright infringement :-)
... -
PLEASE HELP!! DEAD SPECTRUM!!Sad News!!! I have a spectrum issue 5 board and I'd done the general composite mod which was great and it worked with a divIDE plus (RWAP) and esxDO…
... 0.8.0. I was getting horizontal stripey banding on some ... /> I noticed the heatsink was getting hot though..
Could anyone ... -
ZX Spectrum +2 (grey case) voltage converter circuit oddity.I'm working on repairing one of these and have encountered a possible problem and I'm not sure what I can best do about it, if anything needs to be d…
... , resistor R79 becomes rather hot - not too hot to touch, but hotter ... about 100mA and R79 ceases getting hot. I haven't yet determined ... IC3 no longer become particularly hot. The reduced 12V supply still ... -
Heatsink for ULAHi, My Speccy 48k issue 4s starts to get temperamental when it's been on for a while. Machine itself is fine but loading gradually becomes more unre…
... suggested the ULA might be getting hot.
So perhaps a ... -
128k toastrack helpHello everyone So. I just bought a toastrack 128k. No show when plugging into TV. The PSU is fine and tested with a multimeter. Chips are not gett…
... a multimeter. Chips are not getting hot when powered in. However. Seems ... that the 7805 is so hot I cannot even touch it ... -
new emulatorHi All. If you wish you can download/test/link to/betatest etc. my new emulator EmuZWin 2.0. It emulates S48 and S128 and works under all Windows 9x…
... .
- selecting another ROM image; hot keys for switching speed 100 ... minimize to tray: Esc, other hot keys; the most of options ... -
Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …
... if R62 (15 Ohm) is getting hot, to see if there's ... .
BTW: Is TR5 getting hot as well ?
And ... -
Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …
... .
The tr5 is not getting hot at all, i've replaced ... -
Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... a multimeter, check you're getting 5v off the 7805 voltage ... RAM chips aren't getting hot if you're getting voltages at these ... lower than these values (a hot RAM indicates it's fried ... -
toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... , the reason why you're getting random garbage on screen is ... a multimeter, check you're getting 5v off the 7805 voltage ... RAM chips aren't getting hot if you're getting voltages at these ... lower than these values (a hot RAM indicates it's fried ... -
What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... are at fault will be getting hot when you apply the power ... -
TZX 1.20 block 0x18 questionHi All I am in touch with G?nter Woigk the author of Zxsp emulator for mac os X and we both wondering something about block 0x18 (Sorry if that ques…
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…
... for the TIPP31 to get hot, I mean the ZTX650 is ... to find). If it's getting hot maybe it's a problem ...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 …
... supply worked the heatsink was getting hot.After the powersupply broke i ...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 …
... supply worked the heatsink was getting hot.After the powersupply broke i ...
