Macbook analog TV mirroring

How to connect a new computer to an old Television

Signal path

Connect a VGA adapter to the Macbook DVI (Thunderbolt) port.

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Connect a VGA cable from the adapter to a PC-to-TV adapter. This converts VGA to video component (RCA plug) output. The sound from the Macbook can go through this adapter as well – it gets passed through to the RF modulator.

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Connect the PC-to-TV adapter, using RCA cables, to an RF modulator.


Connect a coaxial cable from the modulator to an RF transformer (75 to 300 ohms)

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Connect the 300 ohm leads of the matching transformer to the antenna input terminals of the TV.