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another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…
... and are very hot...
Two ram chip (IC28 ... and IC30) are very very hot...
... want remove the two ram chips... but with my ... remove the two very very hot ram (dead) and all ... replacement for the two dead ram...
thanks ... -
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 …
... appropriate pins of the 4116 RAM (awful devices that require 4 ... worth checking that RAM chips aren't getting hot if you're ... lower than these values (a hot RAM indicates it's fried, they ... warm) which would indicate failed RAM rather than failed power circuits ... -
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…
... appropriate pins of the 4116 RAM (awful devices that require 4 ... worth checking that RAM chips aren't getting hot if you're ... lower than these values (a hot RAM indicates it's fried, they ... warm) which would indicate failed RAM rather than failed power circuits ... -
Dead Spectrum+Hi! Any suggestions where to start finding what's broken: Spectrum+ with issue 6A motherboard and nothing on TV. Top row of the upper memory chips g…
Try to replace ULA with working one. Working low memory should be enough to see the screen. Check all voltages. Hot RAM = bad, probably. -
another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…
... ,3V and are very hot...
Two ram chip (IC28 and IC30 ... remove the two very very hot ram (dead) and all of the ... /> 2) You have two very hot RAM chips, which means they are ... in, and then change the hot RAM chips, WITHOUT TRYING TO DESOLDER ... -
another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…
... in (with the two very hot ram installed)...
this is ... -
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…
That's the spirit :) I'd just snip the hot RAM chip out for now, it won't be helping the +12v generation.
B -
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…
Red hot RAM chip, hot VReg giving only 4.8V? ... Well, that's a duff RAM ... chip to start with. It takes current to make something hot ... to supply it. Cut that RAM chip from the board, ... test the rest of the RAM chips - you may be ... -
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…
... use Winstons Hot Air Gun method of removing the RAM chips from ... . I wish to check the RAM chips, I have a Logic ... -
ULA gets so hot, it is cracked open!Hi everyone. I have bought a rubber-keyed 48K and the seller said he was selling it as "for spares/repair." Sure enough, it turns out it doesn't work…
... in, it gets so extremely hot that I am sure it ... ULA started to get so hot in the first 4 or ... RAM chips.
What might make an ULA get sooo hot ... -
48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…
... very hot and the Nec Z80 is hot too. And all ram chips ... -
Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... br /> Next, the section RAM-READ begins examining and modifying ... each possible RAM location, from low ... from testing lower RAM to upper RAM. Here is an ... passing from lower RAM to upper RAM, but I did ... profanity, a blast of hot air, a scorched finger, ... -
ZX Spectrum 48k Issue 2 Faulty Ram?Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy condition. Though I'm getting random columns of blocks and flashing cursors…
... read would indicate a lower ram failure. I have lightly touched ... area and IC13 is very hot to touch and also IC7 ... seem cool.
The ram fitted is 8322 4116 2N ... -
The complete Manic Miner RAM disassemblyHot on the heels of the [url="http://skoolkit.ca/disassemblies/jet_set_willy/"]Jet Set Willy disassembly[/url], here is [url="http://skoolkit.ca/disa…
Hot on the heels of the [ ... /manic_miner/"]The complete Manic Miner RAM disassembly[/url] (Bug-Byte version ... -
Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…
... also suspect there is a RAM fault but how can I ... was one chip getting very hot but this time that is ... -
48K Issue 3B slowly fading over 15-20 seconds, capacitor gets hot.Hi folks, Recently my much-modified* RAM testing 48K board failed with a hot/burny smell so I turned it off quickly for looking at later. Thinking…
... much-modified* RAM testing 48K board failed with a hot/burny smell ... marked on the pic gets hot. That cap and the diodes ... so I can test 4116 RAM chips, it's happily worked ... -
How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement. Know what I found? My old ZX Spectrum.... Those were the days! Never …
... ZX81, though.
3K om RAM, my friends!
My question ... I tell what size of RAM I've got in my ... -
I have...I still have a working ZX-81 plus 16k RAM pack, still in it's box. I also have a ZX Spectrum 48k computer with the Sinclair Microdrive (plus Microdr…
... working ZX-81 plus 16k RAM pack, still in it's ... -81 would over heat in hot weather and the keyboard would ... and put them over the hot-spot to keep it cool ... -
Speccy Tour : Approaching the last two hot weeksHello Specchums! Firstly, I invite all of you to watch how the competition is at the moment [url="http://www.speccy.org/st03"]http://www.speccy.or…
... ]
THings are pretty hot as you can see, and ... -
HELP 4532 or 4864 RAM wanted !Hello My real spectrum fell off yesterday I know that one RAM memory chip is out of order There was 8 X HM4864P-2 but I saw in the Spectrum schemati…
...
I know that one RAM memory chip is out of ... here to set 16K of RAM so 32K are enough to ... -
RAM Music MachineBoxed RAM Music Machine Sampler (for 48K, Plus, 128K, Plus two) includes the tape, microphone, manual, even original mic stand! I last got this wor…
Boxed RAM Music Machine Sampler (for 48K, ... -
Boxed 32k Ram packPicked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay. Thanks in advance, G…
Picked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay.
Thanks in advance, Gnorman -
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…
... which is probably normal since ram
test takes a ... original
Sinclair ZX 16k ram pack issue 3 .
ram pack :
... a posibility of faulty RAM somewhere on the lower ... />
Also when no ram pack is present I can ... -
PC advice reqd.My monitor/graphic card seems to be acting up! I get strange sort of flicker (similar to the ones you get at slightly low voltage) on the monitor at …
... />
1) It's very HOT here atm. Around 36 degrees ... myself a 400Mhz DDR 512MB RAM.
3) My graphic card ... -
R Register, Contended RAM and ClonesHi. I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - there …
... is the effect of contended RAM on the R-register? I ... run any code in contended RAM, but I do make several ... , but then without the contended RAM the HALT would take place ... -
RAM Test ROM?Found a link to this: [url]http://www.retroreview.com/iang/TestSpec4.zip[/url] in another thread, and fired it up in SPIN, but I have no clue how to…
... this to determine which physical RAM chip needs replacing, and/or ... -
256K RAM chips in Spectrum 128KSince I have lot of 256K RAM chips, and my 128K has RAM error, I think about replacing all 16 RAM (64K ones) chips with 256K chips. Then it would be …
... have lot of 256K RAM chips, and my 128K ... has RAM error, I think about ... replacing all 16 RAM (64K ones) chips with ... be 'Spectrum 512K' - something like RAM in Pentagon.
... bank switching of that extra RAM - we need 2 bits ... -
2 Hot 2 Handle TZX'sRight, here's a question for you preservation guys. Downloaded and tried to play the 2 Hot To Handle compilation. Shadow Warriors won't load on Spe…
... tried to play the 2 Hot To Handle compilation. Shadow Warriors ... -
Where to get Spectrum RAMSigh. Even obsolete nixie tubes seem to be easier to get hold of than Spectrum RAM. I've tried the usual suspects (eBay and google searches), but not…
... get hold of than Spectrum RAM. I've tried the usual ... dead Spectrums with suspected bad RAM. It'd be nice to ... -
Spectrum RAM Paks...This jogged my memory (excuse the pun!!) : [url]http://cgi.ebay.co.uk/CURRAH-32K-RAM-PACK-BOXED-SINCLAIR-ZX-SPECTRUM_W0QQitemZ150057889352QQihZ005QQ…
... ebay.co.uk/CURRAH-32K-RAM-PACK-BOXED-SINCLAIR-ZX- ... with one of these 32K RAM paks!
My poor ... 16K model with this 32K RAM pak.
It ... them!
16K RAM paks were very popular for ...
