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Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... go with the added 100uF capacitor method.
However in ... ; the main purpose of the capacitor is to remove any lingering ... Tv's should have a capacitor in the input circuitry already ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
The positive terminal of the capacitor should be connected to the ... use has a DC blocking capacitor at its input (very likely ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... ]The positive terminal of the capacitor should be connected to the ... use has a DC blocking capacitor at its input (very likely ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... 75 ohm resistor and 100uf capacitor going to video out on ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... /> Note, that the 100?F capacitor is parallel to 2 diodes ... that is desired. Placing a capacitor in series to the output ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... materials (2SC series transistors and ceramic disc capacitors instead of ZTX ... -
Video output questions...Two questions... [QUOTE]1. The yellow and blue colours seem out of phase on the display. Is this normal for an RF connection to the TV/monitor?[/QUO…
... noted that there was a capacitor from pin 16 of SCART ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... to have a longer life. Capacitor technology has improved such that ... one lead back under the capacitor and slide a bit of ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... can just use an electrolyte capacitor to filter out some noise ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... can just use an electrolyte capacitor to filter out some noise ... /> The purpose of the single capacitor often placed in series with ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
Placing capacitor between signal and ground will ... -
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... the plus of an electrolytic capacitor.
Roelof -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... need the transistor or the capacitor or the resistor as they ... voltage at its collector. The capacitor lets no DC voltage to ... the TV.
Any electrolytic capacitor in series to the video ... (1) V. Therefore a (electrolytic) capacitor in series is not the ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... guess the point of the capacitor is to remove that offset ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... guess the point of the capacitor is to remove that offset ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... time I tried putting a capacitor in series with the signal ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
[QUOTE=RobeeeJay;696637]As true as this may be, not all TV designers will be that, and the accounting department can often have an influence.[/QUOTE]
A capacitor is BY FAR the cheapest way to deal with the DC offsets on video inputs. -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... that, because you changed every capacitor with new ones, all capacitors ... -
Buzzer sounds tips'n'tricksSo I have an ARM Cortex M3 with a buzzer connected to its GPIO pin. And because I read this forum I know that there is no need to add a separate buzz…
... . There's a resistor and capacitor in there that give it ... -
Buzzer sounds tips'n'tricksSo I have an ARM Cortex M3 with a buzzer connected to its GPIO pin. And because I read this forum I know that there is no need to add a separate buzz…
... out. Nevermind the resistor and capacitor, those can be omitted. But ... -
CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
... high. Given the progress of capacitor technology, the replacements you buy ... one leg back under the capacitor and slide a length of ... C46 and perhaps the 22uF capacitor involved with the production of ... -
CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
... be so high that the capacitor will cease to work, although ... -
Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... be quite a bit of capacitor buying in the next few ... -
CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
... to discharge rate of the capacitor, which is proportional to ... discharge cycle of a typical capacitor. The charge cycle will ... resistance (ESR) of the specific capacitor and the discharge rate will ... a straight line as the capacitor will not discharge quickly ... -
Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... service manual. It is mainly capacitor and resistor values that need ... there is also an additional capacitor that needs to be soldered ... -
Spectrum Motherboard ModelsHi, Is there documentation anywhere which details the various motherboard revisions on the +2 and +3? Best wishes Peter Jones
... IC15 legs. Wires and capacitor soldered on IC15
... ]
[*]One example of capacitor soldered to IC15 being 330pF ... LIST]
[LIST]
[*]Capacitor position C250 label added to ... [*]One example of 100pF capacitor soldered on underside of board ... -
more random finds in my loftnot sure where to put this.went digging in my loft again after finding that massive haul of speccy stuff >[url]http://www.worldofspectrum.org/forums/…
DMC sticker.. hhmm told ya it was flux capacitor :D -
more random finds in my loftnot sure where to put this.went digging in my loft again after finding that massive haul of speccy stuff >[url]http://www.worldofspectrum.org/forums/…
[QUOTE=fog;700335]DMC sticker.. hhmm told ya it was flux capacitor :D[/QUOTE]
hahah ive got a massive stack of these,the factory was 5minutes from my house :D -
Spectrum+ Noisey Picture ProblemHi fellow Spec-chums I need your help! I've recently brought a 48K+ Spectrum(issue 6A) that I'm trying to repair. I did all initial tests on it prio…
It's one specific capacitor, but I can't remember which right now. Go to my profile stats and find a thread I started, a few years old, on the same subject. Would do it, but I'm on my phone right now. -
Does anyone recognise this Spectrum interface?I have no idea what it is. It has a 5 pin plug that connects to...? [IMG]https://dl.dropboxusercontent.com/u/15218813/MysteryInterface1.jpg[/IMG] [I…
... :
Looks like a capacitor between 0V and 9V (pins ...
