SCART: Difference between revisions
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Add proper footnoted references throughout SCART article, replacing bare link references section (via update-page on MediaWiki MCP Server) |
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'''SCART''' (also known as '''Péritel''', '''Péritélévision''', '''EuroSCART''', or '''Euroconector''') is a French-originated standard and associated 21-pin connector for connecting audio-visual equipment. The name comes from ''Syndicat des Constructeurs d'Appareils Radiorécepteurs et Téléviseurs'' ("Radio and Television Receiver Manufacturers' Association"), the French organization that created the connector in the mid-1970s. | '''SCART''' (also known as '''Péritel''', '''Péritélévision''', '''EuroSCART''', or '''Euroconector''') is a French-originated standard and associated 21-pin connector for connecting audio-visual equipment. The name comes from ''Syndicat des Constructeurs d'Appareils Radiorécepteurs et Téléviseurs'' ("Radio and Television Receiver Manufacturers' Association"), the French organization that created the connector in the mid-1970s.<ref name="wp-scart">[https://en.wikipedia.org/wiki/SCART "SCART"], Wikipedia.</ref> | ||
In Europe, SCART was the most common method of connecting AV equipment from the 1980s until the widespread adoption of HDMI in the 2000s. It was far less common elsewhere in the world. | In Europe, SCART was the most common method of connecting AV equipment from the 1980s until the widespread adoption of HDMI in the 2000s. It was far less common elsewhere in the world. | ||
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== Standards == | == Standards == | ||
* '''EN 50049-1''' (CENELEC) - The official European standard, first published in 1978 | * '''EN 50049-1''' (CENELEC) - The official European standard, first published in 1978<ref name="wp-scart" /> | ||
* '''IEC 933-1''' - Alternative standard reference | * '''IEC 933-1''' - Alternative standard reference<ref name="elinux">[https://elinux.org/SCART "SCART"], eLinux.org.</ref> | ||
* First appeared on TVs in 1977 | * First appeared on TVs in 1977<ref name="wp-scart" /> | ||
* Became compulsory on new TVs sold in France from January 1980 | * Became compulsory on new TVs sold in France from January 1980 (decree adopted 7 February 1980)<ref name="wp-scart" /><ref name="handwiki">[https://handwiki.org/wiki/Engineering:SCART "SCART"], HandWiki.</ref> | ||
* French legal requirement revoked | * French legal requirement revoked on 3 July 2015<ref name="handwiki" /> | ||
== Signals Supported == | == Signals Supported == | ||
SCART can carry multiple signal types through a single connector: | SCART can carry multiple signal types through a single connector:<ref name="wp-scart" /> | ||
* '''Composite video''' (CVBS) - Input and output | * '''Composite video''' (CVBS) - Input and output | ||
* '''RGB video''' - With composite sync (active when pin 16 blanking voltage is 1-3V) | * '''RGB video''' - With composite sync (active when pin 16 blanking voltage is 1-3V) | ||
* '''S-Video''' - Non-standard extension, uses pins 15 (chroma) and 20 (luma) | * '''S-Video''' - Non-standard extension, uses pins 15 (chroma) and 20 (luma)<ref name="retrosix">[https://www.retrosix.wiki/scart "SCART"], RetroSix Wiki.</ref> | ||
* '''Component video (YPbPr)''' - Rare, non-standard extension | * '''Component video (YPbPr)''' - Rare, non-standard extension | ||
* '''Stereo audio''' - Input and output | * '''Stereo audio''' - Input and output | ||
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{| class="wikitable" | {| class="wikitable" | ||
|+ SCART Pinout (as viewed from rear of female socket) | |+ SCART Pinout (as viewed from rear of female socket)<ref name="wp-scart" /> | ||
! Pin !! Function !! Direction | ! Pin !! Function !! Direction | ||
|- | |- | ||
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== Control Signals == | == Control Signals == | ||
'''Pin 8 - Function Switching:''' | '''Pin 8 - Function Switching:'''<ref name="wp-scart" /> | ||
* 0V–2V: No signal / standby | * 0V–2V: No signal / standby | ||
* 4.5V–7V (nominal 6V): Widescreen 16:9 signal | * 4.5V–7V (nominal 6V): Widescreen 16:9 signal | ||
* 9.5V–12V (nominal 12V): Normal 4:3 signal | * 9.5V–12V (nominal 12V): Normal 4:3 signal | ||
'''Pin 16 - Blanking/RGB Selection:''' | '''Pin 16 - Blanking/RGB Selection:'''<ref name="wp-scart" /> | ||
* 0V–0.4V: Composite video mode | * 0V–0.4V: Composite video mode | ||
* 1V–3V (nominal 1V): RGB mode | * 1V–3V (nominal 1V): RGB mode | ||
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== Cable Types == | == Cable Types == | ||
The original specification defined cable types by ring color: | The original specification defined cable types by ring color:<ref name="wp-scart" /> | ||
{| class="wikitable" | {| class="wikitable" | ||
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{{warning|SCART and [[JP21]] connectors are physically identical but electrically incompatible. Connecting them directly will result in reversed colors and potential equipment damage.}} | {{warning|SCART and [[JP21]] connectors are physically identical but electrically incompatible. Connecting them directly will result in reversed colors and potential equipment damage.}} | ||
The Japanese [[JP21]] (RGB21) connector uses the same physical 21-pin form factor but has a completely different pinout. Key differences: | The Japanese [[JP21]] (RGB21) connector uses the same physical 21-pin form factor but has a completely different pinout. Key differences:<ref name="jp21-page">See [[JP21]] for detailed pinout comparison.</ref> | ||
* Red and Blue signals are swapped | * Red and Blue signals are swapped | ||
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== Safety Notes == | == Safety Notes == | ||
* '''Hot plugging not recommended''' - The relatively high signal voltages can damage electronics if connected improperly while powered on | * '''Hot plugging not recommended''' - The relatively high signal voltages can damage electronics if connected improperly while powered on<ref name="wp-scart" /> | ||
* '''Electric shock risk''' - Class II (double-insulated) TVs can hold the SCART shield at half mains voltage when one end is unplugged; always connect the device end first, TV end last | * '''Electric shock risk''' - Class II (double-insulated) TVs can hold the SCART shield at half mains voltage when one end is unplugged; always connect the device end first, TV end last<ref name="handwiki" /> | ||
== See Also == | == See Also == | ||
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== References == | == References == | ||
<references /> | |||
[[Category:Connector types]] | [[Category:Connector types]] | ||
