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Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…
... oscillations, or extreme ripple voltage. Multimeter says "5.0V" & current ... -
A misbehaving DivIDE 57c (Now repaired)Hello there my fellow WoS'ers Indeed it has been a while since my last post, please let me wish you all a (belated) Happy New Year, my this year bri…
I'm not very savvy on electronics but have you tested continuitty with a multimeter from the nmi contacts to ... whereever it goes?(I don't have the schematics atm) -
A misbehaving DivIDE 57c (Now repaired)Hello there my fellow WoS'ers Indeed it has been a while since my last post, please let me wish you all a (belated) Happy New Year, my this year bri…
... pull the parts, take a multimeter and try to measure each ... -
BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…
... a soldering iron and a multimeter, trying to follow that is ... -
what is this crazy modfound a speccy in my loft yesterday,and it seems to have an external heatsink modd i havent the foggiest about speccys heres a few pics [url]http://i…
... , whilst fannying around with the multimeter I knocked the regulator and ... -
Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
... been able to source a multimeter from anywhere yet but should ... -
Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
Had access to a multimeter today and got the following ... -
Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
... ;601859]Had access to a multimeter today and got the following ... -
Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…
I have the multimeter here with me and have ... -
+2a video issue(s)Hi all, Hooked up a nice 2a i got off ebay today and tried it with the standard tv cable to a 15" LCD TV and all works as it should. Get a 'snow' p…
hmmm - looks like i'll be breaking out me multimeter tonight then :) -
128k Toastrack repair advice needed..Hey all, Just got my second toast rack in a oddball deal when i visited a local farmer for some other second hand stuff. The 128 was sitting in a p…
... test it.
With my multimeter at 200K setting, i get ... -
128k Toastrack repair advice needed..Hey all, Just got my second toast rack in a oddball deal when i visited a local farmer for some other second hand stuff. The 128 was sitting in a p…
... . It measures nothing in my multimeter's npn socket (000). Resistance ... -
128k Toastrack repair advice needed..Hey all, Just got my second toast rack in a oddball deal when i visited a local farmer for some other second hand stuff. The 128 was sitting in a p…
... , but when looking at my multimeter, i smelled smoke and pulled ... -
Spectrum +3 Not WorkingHi, I picked up a Spectrum +3 on Ebay (Sold as seen etc.). When I plug in the power supply I can here the noise from the floppy drive, but the powe…
... test the voltage with a multimeter?
Would there be ... -
Spectrum +3 Not WorkingHi, I picked up a Spectrum +3 on Ebay (Sold as seen etc.). When I plug in the power supply I can here the noise from the floppy drive, but the powe…
... test the voltage with a multimeter?
[/QUOTE]
from the ... -
Modulator oddness - previous owner's mod?Hello, just bought a rubber key 48k Issue 3 I'm trying to fix up. I'm wanting to do a composite video out mod ( n00b at this) but the "spare" hole in…
... sparks were coming off the multimeter probe. A little worrying, but ... -
Intermittent sound cutting outHello, I'm resurrecting an old rubber key spectrum. Originally it had no sound at all, diode D9 was blown, I replaced it with one from my other dead …
... 'm a solderin' iron and multimeter hombre :lol:
I have ... -
Toastrack problemMy toasty started behaving oddly last night. Basically typing random characters itself, I first noticed it when I had my divide+ plugged in and a con…
... 's easy to test with multimeter.
Turn it on, measure ... -
Toastrack problemMy toasty started behaving oddly last night. Basically typing random characters itself, I first noticed it when I had my divide+ plugged in and a con…
... 's easy to test with multimeter.
Turn it on, measure ... -
Zx 48k after the ic7805 other problemHi everyone, i am Tiago from Portugal, and i am trying to repair a Zx Spectrum 48K. the machine didn't do anything, no image, no sound, nothing. The…
... to do the readings with multimeter, and i will tell you ... -
No video in Spectrum 128k +2A Grey[B][COLOR="red"]EDIT: 26-05-2012 = Thread topic edited[/COLOR][/B] Hi everyone, Recently i won a Spectrum 128k +2A Grey at ebay UK. The Spectrum …
One last question, how can i test the Spectrum PSU with a multimeter ?
Any chance that my PSU is bad ? -
Zx 48k after the ic7805 other problemHi everyone, i am Tiago from Portugal, and i am trying to repair a Zx Spectrum 48K. the machine didn't do anything, no image, no sound, nothing. The…
... and solder and mesure from multimeter... i can try to replace ... -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... by measuring it with a multimeter.
And to make ... -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... all be done with a multimeter set on te 20Kohm range ... -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... (!) board.
When only a multimeter is available, I would check ... -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... own advice and my own multimeter. And measured the resistance towards ... appeared that my (4 Euro) multimeter must be in the 200K ... -
Spectrum +3 FavourCan a kind soul with a multimeter and a +3 measure the resistance on the power socket between the 5V and the ground? I have a dead +3 that only has 0…
... to buy or borrow a multimeter. You don't need anything ... /Duramax-Brand-New-LCD-Digital-Multimeter-18295-/310361783263?pt=AU_B_I_Electrical_Test_Equipment& ... -
Issue 1 ram connectors....Hi Does anyone have the pinout of the Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board, as I'd like to try and make myself a board, a…
... connections out yourself with a multimeter. It shouldn't take long ... -
Issue 2 Failed 48k to 128k upgradeI have been trying to upgrade my Issue 2 with the help of Velesoft, using this schematic; [IMG]http://i764.photobucket.com/albums/xx284/arioch1973/4…
... you have a good sensitive multimeter and a variable "bench" type ...
