How-To
4 min read

How to Connect a Retro Console
to a Sony PVM or BVM

A PVM has no SCART socket, no HDMI, and no interest in making this easy. Here is what actually plugs into what — the cable, the switcher, the four BNCs — and the one box you do not need.

Every article about professional monitors, this site's included, spends its time on why. This one is the how, written from a setup that runs eight consoles into thirteen Sony monitors with no scaler anywhere in the path. Nothing in it is exotic. The whole trick is four cables and one switch.

1. Start with RGB out of the console

A professional monitor wants red, green and blue as separate signals, which is what these consoles make internally. Some put it on the back connector from the factory; some need a board. Here is how the consoles in this collection got there.

ConsoleRGB out of the box?What it took here
Super NintendoYes, nativeThe right RGB SCART cable and nothing else
Sega Genesis Model 1Yes, nativeAn RGB SCART cable; S-Video and stereo jacks were added later, separately
Sega Genesis CDXYes, nativeAn RGB SCART cable
Sega SaturnYes, nativeAn RGB SCART cable
NES, front loader and top loaderNoAn NESRGB board in each
Nintendo 64NoAn RGB upgrade
PC Engine Duo-RNoAn RGB mod, alongside the region mod
GameCubeNo RGBComponent over the OEM component cable
PlayStation 2No RGBComponent

If your console is not on the list, the question is the same one: does it output RGB natively, and if not, which board gets it there. The full console table →

2. The right RGB SCART cable for that console

The console world speaks SCART — RGB and audio in one fat connector. One cable per console, and "RGB SCART" on the label is not enough: each machine has its own pinout and its own needs, so the cable has to be built for the console it plugs into. The same cable carries the console's sound and its sync, and both matter two steps from now.

3. A switcher, if you own more than one console

A GSCARTSW — eight inputs, two outputs, auto-switching. Power on a console and it takes the screen; no button, no menu, no crawling behind a rack. Two outputs means two monitors.

Buy the switcher before you buy the second console.

Everyone does this in the wrong order — they accumulate machines, run out of inputs, and end up swapping cables until they stop bothering. A good auto-switcher is the thing that keeps hardware in rotation.

4. SCART in, four BNCs out

The bridge is a SCART to 4 BNC breakout cable: red, green, blue and sync on four BNCs, with the audio pair broken out alongside. They come male and female, depending on which end of the chain they land on. On the monitor, those four go to the BNCs labeled R, G, B and EXT SYNC.

Sync goes straight through — the composite sync riding the SCART cable into the sync BNC as-is, no stripper, no LM1881, no sync-on-green workaround. These monitors lock onto it without complaint; professional Sony gear is far less fussy about sync than internet folklore suggests.

Two things to set on the monitor. Professional inputs loop through to feed the next monitor in a chain, so the last monitor on the line — or the only one — needs its 75 Ω termination switched on, or the picture washes out. And on a monitor whose BNCs accept both RGB and component, the PVM-20L5 among them, the input has to be told it is looking at RGB.

5. Component sources skip the switcher

The GameCube and the PlayStation 2 go component, over the OEM cable, into the monitor's component input — on a BVM-A through its analog option card, on a PVM-20L5 the same BNCs. Here the PS2 feeds a wall of nine LMDs through a distribution amplifier, which is not a splitter: a splitter halves the signal every time it divides, a DA buffers and re-drives it. The full chain, both rooms →

6. The audio nobody plans for

The breakout's audio pair goes to a powered monitor speaker, not the two-inch driver behind the CRT's grille. Here it is the AMS-100 on top of each monitor — how a real edit bay was laid out, and how it should sound. You go to enormous trouble to get the video signal pristine; the audio path deserves the same attention.

7. What you do not need

No upscaler, no line doubler, no frame buffer — no OSSC, no RetroTINK, no Framemeister. A CRT is the one display that wants exactly what these consoles put out: 240p, 15 kHz, analog RGB, warts and all. Every box you add between them makes decisions on your behalf and adds lag while it thinks. The whole point of a professional monitor is to not need one.

Quick answers

Can I plug a SCART cable straight into a PVM?

No. A PVM has no SCART socket and never will. The SCART to 4 BNC breakout is the bridge — red, green, blue and sync on four BNCs, audio alongside.

Do I need a sync stripper?

Not in this experience. Composite sync goes from the SCART cable straight into the sync BNC, and every console on the list above locks without a stripper, an LM1881 or a sync-on-green workaround.

Which consoles output RGB without a mod?

Of the ones here: the Super Nintendo, the Genesis, the Genesis CDX and the Saturn. The NES, the Nintendo 64 and the PC Engine needed boards.

Will a BVM take the same cables?

Yes — the same breakout, the same four BNCs. On the E/F series they land on the fixed input block; on the A series, on an analog option card. PVM vs. BVM →

What about composite or S-Video?

Most PVMs take both, and a BVM decodes them through a card. But the picture is the reason you bought the monitor, and composite is not it.

Buying the monitor first? What to check before you buy a PVM-20L5 is the sweep, and the field guide is how to spot one in the wild.

← More stories   The signal chain →   PVM vs. BVM →