75ohm video signals

[fabiodl]

In this page
here
read for instance the "Sega Genesis 1 / Mega Drive 1 / Master System" session.
It reports

 and a 10uF – 220uF / 10v (min) – 16v capacitor
470 ohm, 1/4 watt resistor

I do not see any valid reasoning for this. Video signals are 0.7vpp, and such consoles all work at 5V, it would seems to me 6.3V is already being "way too safe" for the caps.
Same story for the csync line resistor. 5^2/470 is the max power, so  a  1/16W resistor still seems a conservative choice.

Are there some other reasons for which my reasonings are wrong?

[Doctorandus_P]

I see some references to connectors and plugging into other stuff, and that may have something to do with it.

Without schematics or other information you need to read some coffee grinds or dust of your crystal ball to their motivations.
(Or ask them).

[Benta]

Video signals are AC coupled, and you have no idea at all what the DC level difference between two devices is.
In fact, 16 V seems too little to me, and normally VCRs and TV sets etc. use two back-to-back electrolytics for bipolar operation.
The 0.7 Vpp signal level is irrelevant.

[fabiodl]

I see some references to connectors and plugging into other stuff, and that may have something to do with it.

Without schematics or other information you need to read some coffee grinds or dust of your crystal ball to their motivations.
(Or ask them).

Schematics are available, for instance, here
The output is essentially the outputs of a CXA1145

Video signals are AC coupled, and you have no idea at all what the DC level difference between two devices is.
In fact, 16 V seems too little to me, and normally VCRs and TV sets etc. use two back-to-back electrolytics for bipolar operation.
The 0.7 Vpp signal level is irrelevant.

Thank you, this  is probably the culprit!  Still, 1/4 w for charging/discharging the cap once still seems pretty beefy.