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I have returned! This time with no tape problems!Hello all. Some of you may remember me from about a month or so ago with this little spawn of satan... :lol: [IMG]http://www.ridgedpixel.co.uk/proj…
... also plan to replace the regulator as Zorn told me they ... issue 2 died from heat/regulator problems so I'm just ... -
ZX81 Unwell... TV or The ZX81??Hi all I finally got a RF cable today so i could test my ZX81 at last... sadly it's not great news although I'm hopeful that it's the TV...? All I'…
... overheating. The voltage at the regulator started at 10.4v and ... -
Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... on my meter.
Regulator:
[IMG]http://s26 ... -
Best version of SE Basic for use in real 48K machineAs title really. :) I did a search but I'm still confused a bit. :( I've seen a few versions, namely 'SE Basic 0.80a' which has the nice 'bar' abov…
... a 7805 (7905?) direct DC regulator to do away with the ... -
ZX81 ULA questionRecently, I got a nice bundle of kit comprising of a ZX81, Memotech keyboard, PSU and brand new 16K Sinclair Memory pack. The ZX81 has a ULA with no…
... have all got a switched regulator and ZX8 Module with one ... -
Painting 128+ heatsinkI've searched for this and not come up with anything. Just bought a rather cheap 128+ off eBay which is apparently working (although I haven't teste…
... I'd do the voltage regulator mod and put a heatsink ... -
Painting 128+ heatsinkI've searched for this and not come up with anything. Just bought a rather cheap 128+ off eBay which is apparently working (although I haven't teste…
... generated by the 7805 voltage regulator to the air. Heat takes ... temperature of the 7805 voltage regulator from increasing above the recommended ... change the existing 7805 voltage regulator for a modern switching type ... -
Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... swap out the 7805 voltage regulator for a switching type so ... -
Painting 128+ heatsinkI've searched for this and not come up with anything. Just bought a rather cheap 128+ off eBay which is apparently working (although I haven't teste…
... now then maybe do the regulator mod and give it a ... -
Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... heatsink of the 7805 voltage regulator.
Then connect the positive ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... probably goes to where the regulator was, but I'm not ... the ground hole in the regulator location be sufficient to replace ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... a 7905 or 79L05 voltage regulator. This will convert the -12V ... middle hole for the voltage regulator chip, or the mounting/bolt ... board for where the voltage regulator and heatsink attached are all ... -
Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... the board?
Voltage Regulator 150+
Measured on ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... )
Left pin on regulator 135.5 / 0.06
regulator pin is significantly lower and ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... />
Components like the 7805 regulator, replacement TR4/TR5 transistors, capacitors ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... /> e.g. Heatsink out & regulator out -> new ... -
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... that pic with the replacement regulator is one of the reasons ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... significantly.
Because the regulator on an Issue 2 is ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
Think I'm going to look at doing this then with the regulator ;)
What's the XPSR10S05 used in your pics Balford and how does that compare to the Recom ones? Looking around they seem to be about half the price of Recom!Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... /> Would you change the voltage regulator also?Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... change the voltage regulator also?[/QUOTE]
The regulator is easy to ... it out for a switching regulator, which will run cool and ... the short term. A switching regulator costs a fair whack. Maybe ...Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... pin 8 suggests that the regulator is performing its job. Others ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
TR4, TR5, a coil, a power socket, an sr10s05 regulator and some capacitors ordered... exciting! :D'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
[QUOTE=dreamscape;790480]Good luck BlueOwl I've just done some of what you're doing myself. It is good fun and exciting... Hope it goes well for you. :-D[/QUOTE]
Me too ;)
Where did you order the SR10S05 regulator from?Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... :
[LIST=1]
[*]7805 regulator to get voltage to anywhere ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... , capacitor for C47 and the regulator (which needed some extra wire ...Microdrive repair - GREAT NEWS!Microdrive repair facts: We know (almost) pure alcohol and cotton swabs are needed a lot to clean the Microdrive head. We know cartridges degrade, so…
Anything with a linear regulator like the 7805 - it's ... was caused by a linear regulator's solder joints cracking and ...Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
At least he's wearing a t-shirt :D
You could try changing the 7805 regulator - Spirantho reckons that if these are degraded, then they can chuck out ripple on the 5v line that affects the picture...
BIssue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
[QUOTE=IanJ;791436]Queen t-shirt.......?
Ian.[/QUOTE]
Not Queen :lol: it just says COLLEGE
I'll give the regulator a try then, got a spare one lurking about on an Issue 6 that's ended up as spares!
Ta
