😲😞

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mrtinb
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Re: 😲😞

Post by mrtinb »

It looks like the power supply that arrived with one of my Lambdas.

I don't use it, as it gives the bad picture on the monitor, so it becomes unreadable.

I just use a cheap universal power adapter where you can change connector and these voltages 3V 4.5V 6V 7.5V 9V and 12.

Image
https://www.elextra.dk/str%C3%B8mforsyn ... ret/H19997
Martin
https://zx.rtin.be
ZX81, Lambda 8300, Commodore 64, Mac G4 Cube
MarcNL
Posts: 16
Joined: Tue Jan 12, 2021 10:09 pm

Re: 😲😞

Post by MarcNL »

Aaah, so it's a know problem with these old power supplies?
Yes, it's the power supply that came with my Your Computer 2000.

Would a ZX Spectrum PSU also work or is the polarity wrong (or I can messure it when I get home ...)
Marc
ZX80/MicroAce/ZX81/Lambda UK&USA, Spectrum/+/Beckman/Samsung, 128 Spain/UK/9G/Arabic, +2/+2A/+3/Arabic, CZ1500/2000/Spec/Plus, TK90X/95, Inves+, dB+, TC2048 PAL/NTSC/2068, TS1000/1500/2068, UK2086 ― and more!

GOTO www.sinclaircollection.site
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mrtinb
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Joined: Fri Nov 06, 2015 5:44 pm
Location: Denmark
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Re: 😲😞

Post by mrtinb »

Spectrum power supply has wrong polarity, so stay away from it.
Martin
https://zx.rtin.be
ZX81, Lambda 8300, Commodore 64, Mac G4 Cube
MarcNL
Posts: 16
Joined: Tue Jan 12, 2021 10:09 pm

Re: 😲😞

Post by MarcNL »

I purchased a new PSU but the (RF) image did not improve.

I also managed to get a picture over composite (the monitor output) but it lacked colour. But at least I did get an image ultimately!

https://www.sinclaircollection.site/?page_id=4089

Also I found a NOS 16K ram module

https://www.sinclaircollection.site/?page_id=4310

I will leave it at that. The Lambda 8300 and Basic 2000 and all peripherals will return to the shelf now.
Marc
ZX80/MicroAce/ZX81/Lambda UK&USA, Spectrum/+/Beckman/Samsung, 128 Spain/UK/9G/Arabic, +2/+2A/+3/Arabic, CZ1500/2000/Spec/Plus, TK90X/95, Inves+, dB+, TC2048 PAL/NTSC/2068, TS1000/1500/2068, UK2086 ― and more!

GOTO www.sinclaircollection.site
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mrtinb
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Joined: Fri Nov 06, 2015 5:44 pm
Location: Denmark
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Re: 😲😞

Post by mrtinb »

Great to hear you got a picture. Sad to hear there was no color.
Martin
https://zx.rtin.be
ZX81, Lambda 8300, Commodore 64, Mac G4 Cube
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