SCART pin-out
21Ground/Shield
19Composite Video Out
17Composite Video Ground
15Red / Chroma
13Red Ground
11Green
9Green ground
7Blue
5Blue ground
3Audio out L & mono
1Audio out R
20Composite Video In / Luminance
18Blanking Signal Ground
16Blanking Signal
14Data Ground
12Data out
10Clock out
8Audio / RGB Switch 16:9
6Audio In Left & Mono
4Audio Ground
2Audio In Right
 
Dia nicked from Mick Evans