about Retrofixer ..
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RETRO FIXER
Computers and consoles that made history Schemes, Mods, adapters, tutorials ... Hardware and Software Made with love!

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Repair C128D
Do you want to spend little? take a broken computer! .. yes but then I have to fix it. Let's try to fix a Commodore 128D with black screen. Unfortunately this computer model

SOFTMOD - GAME GEAR MICRO
With this modification you will have inside your Game Gear Micro ALL the software of all 5 consoles available (including the "white" one with the

In search of the fault .. Commodore 64 black screen
Often we are faced with a Commodore 64 with a black screen, where to start to try to fix it? This video-guide is the one for you,

TI99 / 4A composite mod
Let's find out how to use composite video in the PAL version TI99 / 4a.
You just need to change your RF modulator.

BBC Micro Power supply fix
BBC micro reset with faulty power supply, the famous smoke of capacitors. But it's not just what can go wrong, let's see what we can go against.

"Black screen fix" biscuit
Commodore 64 repair with black screen. This symptom can be caused by several components, let's try to better understand which ones and how to proceed with the recovery.

Nintendo Virtual boy fix
Do you also have on 1 or both dsplay lines and / or glitches of various kinds? The culprit as you may already know having googled the

Atari XEGS repair
Repair of an Atari XE System with no video or rather yellow screen ..
Let's find out what can cause this problem.

Aquarius Composite mod
Even the Aquarius only has an RF video output, a major limitation today, as the analog RF signal fell into disuse years ago.

Joystick C64 vs Joypad NES
Joystick and Joypad in comparison Have you ever wondered how these pads work that with a few wires manage many buttons and directions while the classic

Enterprise 64 Video Fix
https://www.youtube.com/watch?v=sn2BjG6OtpQ Let's see how to repair the Enterprise 64 or 128 with a black screen. Remember that it is a delicate procedure, you must always be careful not to damage the computer,

DF0 Amiga 500 selector
DF0 Switcher Let's see what the DF0 selector for Amiga 500 is and how it works (compatible with Amiga 500/500 + / 2000/3000) Up to Kickstart 1.3 the

Climber - Crystal screen (cleaning)
Pulizia di un raro Game & Watch Appena arrivato questo particolarissimo Game & Watch ho notato subito un problema… non funzionavano i tasti. 🙁 Questi oggetti

Amiga1200 Recap
Un video per mostrare quello che ci aspetta se vogliamo sostituire i condensatori su Amiga 1200.
Attenzione agli imprevisti 🙂

Commodore Diagnostic Cards
Queste cartucce servono per testare il funzionamento del computer in caso non si accenda o per verificare alcuni componenti interni.
Vediamo come usarle.

Logic gates
Le porte logiche sono la base dei circuiti elettronici e le possiamo trovare un po’ ovunque e anche nella programmazione si utilizzano queste funzioni.
Diamo uno sguardo a cosa fanno.
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A jump into the past...
and more!

-> Useful links <-
* YouTubers and recommended pages *
