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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 …
... is bolted to the ally heat sink all looks ok drive led ... -
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 …
... shielding the floppy from the heat sink/regulator underneath. -
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 …
... voltage regulators?
The heat generated by transformers is due ... use to attach to a heat-sink, normally rely on the copper ... be attached to a suitable heat-sink. There is a calculation that ... to workout how big the heat-sink needs to be.
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 …
... roko;854386"]There is a heat sensor hidden under the isolation ... voltage and so produce more heat. However, the (internal) junction temperature ... ). If there is no heat sink, the heat will flow via the leads ... as a result of the heat level. The same problem occurs ...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 …
... the pic above a massive heat sink from a PC supply supply ... "cheapness" of the regulator . The heat-sink has been mounted on a ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... to this an extra copper heat-sink is also needed to fit ... main chip. A proper finned heat-sink would need to be bolted ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... I really want to spread heat-sink compound on my ZX-Uno ...Need some help repairing an issue 3 spectrumI am looking for some help repairing an issue 3 speccy, here's what I tried so far. The speccy is not booting up correctly, when using the diagnos…
... results. I recommend using the heat sink of the 7805 voltage regulator ...Laptop helpRight, mate at work just gave me his old laptop cos the screens broken (i think) i'm not that up on laptops tbh as ive only really had a second hand …
... , under the keyboard, the motherboard, heat sink, etc), put an X where ...Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…
To really future proof it, I would suggest you add a heat sink to your ULA
EDIT: wait, you replaced the ULA too :).Heat-sinking the spectrum 48+ :| [URL=http://s1063.photobucket.com/user/JRT480/media/Fotografia1988_zps5egnygdp.jpg.html][IMG]http://i1063.photobucket.com/albums/t515/JRT480/…
... do you think those heat sinks will serve anyway?< ... of the reasons the reg heat-sink stays red hot is ... air they wont radiate/convect heat efficiently if at all ... rid of the biggest heat source and at the ... is, without the reg heat-sink hogging the limelight.Heat-sinking the spectrum 48+ :| [URL=http://s1063.photobucket.com/user/JRT480/media/Fotografia1988_zps5egnygdp.jpg.html][IMG]http://i1063.photobucket.com/albums/t515/JRT480/…
... do you think those heat sinks will serve anyway ... the reasons the reg heat-sink stays red hot is ... they wont radiate/convect heat efficiently if at all ... rid of the biggest heat source and at the ... is, without the reg heat-sink hogging the limelight.[/quote]
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 …
... other Opuses have 6) The heat sink is mounted so as to ... floppy drive controller chip . The heat sink would have to be removed ...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 …
... black paint on the Toastrack heat-sink had provided some protective insulation ... original Toastrack bit of the heat-sink . Strictly speaking ,this is not ... a good position from a heat distribution point of view but ...Rubber key case bottomI'm looking for a 16/48k case bottom to replace my current one that is slightly warped from heat.
... top, front plate, keymat, membrane heat sink and case screws! :D My ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... DK with the cut off heat sink fins . I was foollsh to ... of the teeth on the heat-sink is facing the other way ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... added extra metal to the heat sink and cut it back just ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... enough . I noticed that the heat sink did not appear to be ... ) and was not transferring enough heat properly ..
1) So ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... for the regulator on the heat sink with more space around it ...Crazy prices for ZX-Spectrum 128K ???What's going on with the prices for the 128K? I checked on eBay and saw the sold listing...Did this become a collectable? I had one that I gave away…
... , although one finn on the heat sink was slightly bent, and both ...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 …
... to remember to put the heat sink back in after I had ... do the ones near the heat sink first .And with this method ... to remember to put the heat sink back each time..
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 …
... on both sides of the heat sink under the regulator : the tape ... more about the relevance of HEAT .With a Speccy I was ... aware of the relevance of heat on electrical components . But PCs ...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 …
... use insulating washers between the heat sink and the 7805 voltage regulator ... should be used to help heat transfer between the 7805 tab ...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 …
Thanks Mark
Thanks for that correction I had forgotten that . So my Mica washer lives to fight another day! . But did they put one sided stcky tape on the heat sink to stop heat sink wobble?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 …
... sided paper tape on the heat sink under the regulator , but it ...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 …
... used as a kind of heat sink .But the Speccy idea is ...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 …
... used as a kind of heat sink.[/quote]
That's not ... is W(att) and equals heat. [i]Every[/i] component needs ... to get rid of this heat, otherwise its temperature would keep ... without the need of any heat-sink or forced cooling.[/quote]
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 …
... mounting : the replacement of the heat sink (after cutting about one sixteenth ...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 …
... top side washer on the heat sink bolt would make any difference ...
