Buenas..
Prueba con esta configuracion y luego postea resultados.
SCART->DVI
SCART pin 5 (Blue Screen) - DVI pin C5 (Analog Ground (R/G/B))
SCART pin 7 (Blue signal) - DVI pin C3 (Blue Input)
SCART pin 9 (Green Screen) - DVI pin C5 (Analog Ground (R/G/B))
SCART pin 11 (Green signal) - DVI pin C2 (Green Input)
SCART pin 13 (Red screen) - DVI pin C5 (Analog Ground (R/G/B))
SCART pin 15 (Red signal) - DVI pin C1 (Red Input)
SCART pin 17 (Composite Video screen) - DVI pin C5 (Analog Ground (R/G/B))
SCART pin 19 (Composite Video signal) - DVI pin C4 (Horiz. sync)
Nota: Los Ground R, G y B (Scart pin 5.9.13 y 17) al Dvi-i pin C5
SCART->VGA
SCART pin 5 (Blue Screen) - VGA pin 8 (Blue Ground)
SCART pin 7 (Blue signal) - VGA pin 3 (Blue / Cb)
SCART pin 9 (Green Screen) - VGA pin 7 (Green Ground)
SCART pin 11 (Green signal) - VGA pin 2 (Green / Green + s / Y)
SCART pin 13 (Red screen) - VGA pin 6 (Red Ground)
SCART pin 15 (Red signal) - VGA pin 1 (Red / Cr)
SCART pin 17 (Composite Video screen) - VGA pin 5 (Ground)
SCART pin 19 (Composite Video signal) - VGA pin 13 (Horizontal sync)
Un Saludo..
Feliz Navidad..