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I recapped my 128K toastrack, installed stereo kit and detached audio from video, but...Hello fellow forumers! I'm seeking for help: I've finally decided to change all electrolytic capacitors of my 6U (with all Panasonics 105oC)... Af…
... socket...)
Although my multimeter has diode test function (and ... 6U and compare.
My multimeter also has a transistor test ... -
48k problemsHi all Just plugged in a 48k that I bought to find that the screen is jumbled with different colour pixel blocks. I removed the casing and noticed…
... .
Do you have a multimeter ?
[b][i]Mark ... -
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 …
... , but if you have a multimeter, it would be wise to ... -
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 …
... well...
Use a multimeter on a low resistance range ... -
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 …
... connections if you have a multimeter.
But first, have you ... -
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 …
... (within 2 days), use your multimeter (switched to the 20V DC ... follows:-
Switch your multimeter to the 2000 ohm or ... or Google it). Switch the multimeter to a low resistance range ... -
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…
... them all, then with the multimeter connected shove pin 8 of ... -
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…
... from the coil
Multimeter gave a reading of -5 ... -
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…
... /> if you have a good multimeter, it may be time to ... -
Power issues on a 6A 48 K SpectrumHello all! I decided to take another look at my 6A Spectrum that I broke via a bad joystick adapter, I’ve removed the bottom 16K ram and replaced…
... small value capacitors, every decent multimeter should give the same results ... -
Spectrum +2 (Grey) troubleshooting helpHi guys, first time poster here, tell me if I'm doing something wrong. I bought a ZX Spectrum 128k +2 a week ago, it was sold in working condition a…
Nothing at all is picked up by my TV, is it possible that the tape deck is getting power but the computer itself isn't? Is it possible to test the TR8/9 with a multimeter? Sorry if I'm asking stupid questions, only got into speccys a few weeks ago! -
Spectrum +2 (Grey) troubleshooting helpHi guys, first time poster here, tell me if I'm doing something wrong. I bought a ZX Spectrum 128k +2 a week ago, it was sold in working condition a…
... the TR8/9 with a multimeter? Sorry if I'm asking ... -
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... have a relatively good quality multimeter so I can test voltages ... -
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... I can perform with my multimeter? Like I wrote before, I ... -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
48k - maybe. Most likely to be damage to the PCB track.
Which +2, grey (9V PSU) or black (PSU with DIN plug)?
Do you have a multimeter?
[b][i]Mark[/i][/b] -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
... ahead, do you have a multimeter? And it would help if ... of things. Again, need a multimeter to help diagnose the problem ... -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
I have been meaning to buy a multimeter. How do they work? I cannot send a photo atm. They are at my parents place. -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
A multimeter measures electrical properties. Just like ... are Ohms.
A multimeter is a very sophisticated item ... type.
A good multimeter when used correctly has very ... -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
[quote="1024MAK;845600"]48k - maybe. Most likely to be damage to the PCB track.
Which +2, grey (9V PSU) or black (PSU with DIN plug)?
Do you have a multimeter?
[b][i]Mark[/i][/b][/quote] -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
... ahead, do you have a multimeter? And it would help if ... of things. Again, need a multimeter to help diagnose the problem ... -
Testing 4116 type DRAMsHappy New year All! I'm managed to find some time to repair some more Spectrums :) woo hoo. I have a couple with busted lower RAM, Sooo, I appr…
... why you would have a multimeter connected up before power on ... -
Dead 48k and +2I have a couple of questions. My old 48k had a very wobbly power socket so bought a new one and soldered it on. It will not work at all now? Is ther…
Lol
I will post some pictures soon. I am hoping the power socket on the 48k is an easy fix. I have all the tools, soldering kit and now a multimeter! -
Problem with 128k +3Got this a while ago on Ebay, just got around to trying it out and face the following problem. Displays garble block on the screen and keyboard does…
... /> Also do you have a multimeter?
[b][i]Mark ... -
A tally on the number of successful builds of the Harlequin[SIZE=4][COLOR=Green][U][B]A tally on the number of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE] Please post your successes below :-) …
... inputs and outputs with a multimeter. Will continue tomorrow with a ... -
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 …
... to get acquainted with your multimeter. That will tell you if ... -
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 …
... wired, is to use a multimeter on the DC Voltage range ... -
Fuller FDS keyboardHi folks, Bit of a head scratcher for me since I found one of these whilst looking for dead Speccy boards and there doesn't appear to be a whole l…
... the continuity range on your multimeter to test the keyboard. Have ... -
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…
... too, also read that on multimeter and is running how it ... -
Issue 3B turning offI'm trying to save a Spectrum Issue 3B. I restored the power supply section, changing the 7805, TR4, and TR5, besides all electrolytic capacitors. No…
... ?
Do you have a multimeter? During the fault condition, what ...
