Mattel Intellivision
Sub-pages
Schematics (Intellivision)
Find below the schematics and hardware overview for the Intellivision. Useful hardware information can be found here ht...
Required Stability Fixes (Intellivision)
The Intellivision is pretty unique in that I have found certain steps and things to be required to make the console stab...
Trace Map (Intellivision)
Below is a pinout of almost every single pin on the motherboard. I have still to do the discrete components like transis...
Power Circuit (Intellivision)
The Intellivision gets its power through the mains plug. After that the two black 110/230V AC wires go to the transfo...
Initial Boot (Intellivision)
In order to boot at all to even a black screen, you must have at every single power rail. This is because the CPU alone ...
Operation (Intellivision)
The general expected operation of each main component/IC is detailed below. STIC (U4) The STIC is the Standard Televisio...
RF Module (Intellivision)
The RF module on the Intellivision is a self-contained unit. Without a game installed and working, there will be a one ...
Game Load (Intellivision)
The best place to detect if the game has loaded is a combination of the !MSYNC (Master Sync pin 13), and the SR1 (pin 9)...
Video Output (Mattel Intellivision)
The add-on board that attaches via the 12-pin cable to the motherboard takes the V1 to V5 data from the STIC and convert...
Black / No Screen (Intellivision)
If you have checked all your power rails are good, while under load (console turned on) including the red flying lead al...
IC Orientation (Intellivision)
The chips on the Intellivision all face so the GI text is normal readable orientation. The three chips with heat sinks o...