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Composite spectrum problemHowdy, Found an old rubber key in a bag full of games recently which had seen better days. Rigged it up and to my suprise it worked! It needed som…
... lettering next to the relevant capacitor. It's in the middle ... -
Hornby 00I never had a train set as a nipper but i had always lusted after one, so a few days ago i had a cheeky bid on one on ebay. Well it arrived today a…
... you can also put a capacitor to smooth out any wibbles ... -
Hornby 00I never had a train set as a nipper but i had always lusted after one, so a few days ago i had a cheeky bid on one on ebay. Well it arrived today a…
[QUOTE=beanz;554216]No such thing! :lol:[/QUOTE]
/me drops a large variable capacitor with a geared reduction dial on beanz' head
:) -
Hornby 00I never had a train set as a nipper but i had always lusted after one, so a few days ago i had a cheeky bid on one on ebay. Well it arrived today a…
Sorry it's a bugbear of mine when people call large variable capacitor with a geared reduction dial ...'tuning caps'.
/cackle -
Hornby 00I never had a train set as a nipper but i had always lusted after one, so a few days ago i had a cheeky bid on one on ebay. Well it arrived today a…
[QUOTE=beanz;554220]Sorry it's a bugbear of mine when people call large variable capacitor with a geared reduction dial ...'tuning caps'.
/cackle[/QUOTE]
oaf :p -
Spectrum 128k+ Toastrack lower Beeper level?Does anyone know the easiest way of matching the AY and beeper levels? I'm guessing perhaps the easiest thing to do is lower the beeper line rather t…
... , but they referenced resistor and capacitor numbers not listed on my ... go to an identical value capacitor but after that it all ... -
Spectrum 128k+ Toastrack lower Beeper level?Does anyone know the easiest way of matching the AY and beeper levels? I'm guessing perhaps the easiest thing to do is lower the beeper line rather t…
... removing it) 10K resistor and capacitor to pin 34/35 (they ... -
BBC Micro - Whats it worth these days?I'm thinking of selling on of my BBC Micros, and ebay seems to show a drop in value in recent months. Is this the usual summer slump, or credit crunc…
... ]
There's a capacitor on the mains side that ... -
Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... 3 and 6, a ceramic capacitor (legend reads 331) between pins ... -
Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... 3 and 6, a ceramic capacitor (legend reads 331) between pins ... 5 and 7 for the capacitor?
[QUOTE=JohnH ... post above - he has a capacitor soldered to the underside. -
Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... /> It's possible that the capacitor is obscuring the writing on ... -
Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... ). It looks like the same capacitor that is in C22. I ... the board.
One capacitor on the underside between the ... -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... .
I'd try the capacitor thing. or perhaps the cable ... -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... .
I'd try the capacitor thing. or perhaps the cable ... only 0.84V. Would a capacitor give an increase in the ... -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... only 0.84V. Would a capacitor give an increase in the ... -
Help with Spectrum 128k reparationHi! I have the following symptoms with a 128k unit version 6U - On power on, black and white bars (one char width each), white background - Once po…
I cannot tell you from memory, but if IC6-IC13 belong to contended memory, then yes, you can boot your Spectrum in 48K mode (with the trick I explained before).
And no, you don't need to remove any extra capacitor. -
Using an external 3" drive in PCI have an Amstrad FD1 drive (minus the DDI-1 interface sadly), and on another thread, fog alluded to the idea that I might be able to connect it to m…
... the device near the green capacitor. If you don't remove ... -
Dead Spectrum SocietySo I'm getting back into real Sinclair computers rather than emulators. During the summer months I was lucky enough to buy a working ZX81 and was giv…
... ) or short circuit C27 (the capacitor whose leads are usually used ... -
Stereo sound board finally available[IMG]http://www.benophetinternet.nl/hobby/vanmezelf/IMG_9886b.JPG[/IMG] I just finished some of the new stereo audio boards and also a complete manu…
... you may risk fouling a capacitor with the wires) on the ... -
Dead Spectrum SocietySo I'm getting back into real Sinclair computers rather than emulators. During the summer months I was lucky enough to buy a working ZX81 and was giv…
... centimeters 'above' the loudspeaker. This capacitor takes a pulsating voltage from ... the nagative side of this capacitor I measured 2.8V against ... only', is the only other capacitor C47 without leaking. -
Dead Spectrum SocietySo I'm getting back into real Sinclair computers rather than emulators. During the summer months I was lucky enough to buy a working ZX81 and was giv…
... could also be an electrolytic capacitor. You may want to change ... -
Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…
... . :smile: You can include a capacitor in series (around 100 to ... -
Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…
... Spectrum you can include a capacitor in series with the output ... -
Guide price for a 48k rubberkeys from you lot?My trusty Spectrum (an Issue 3, working since late 1983 or early 1984) has finally upped and carked on me :-( Now I could hit ebay or the local boot…
... future damage, as when the capacitor dies it can destroy chips ... -
Guide price for a 48k rubberkeys from you lot?My trusty Spectrum (an Issue 3, working since late 1983 or early 1984) has finally upped and carked on me :-( Now I could hit ebay or the local boot…
... future damage, as when the capacitor dies it can destroy chips ... -
Guide price for a 48k rubberkeys from you lot?My trusty Spectrum (an Issue 3, working since late 1983 or early 1984) has finally upped and carked on me :-( Now I could hit ebay or the local boot…
... future damage, as when the capacitor dies it can destroy chips ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... /> Maybe its just a shortcirquited capacitor somewhere, a blown resistor, a ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... . Maybe its just a shortcirquited capacitor somewhere, a blown resistor, a ...