Parts used in 222
HA4741/TL074 TDA 1034/NE5534
Schematics 222 1979 model (without noise)
Schematics 222 1981 model
syntovox 222 discdec 79
The Syntovox 222 was also sold to Dynacord for OEM use. It was marketed in Germany as Dynacord SRV66. The Dynacord label is a sticker over the original “Echolette” label.
SRV66 Schematics . SRV66 Manual, SRV66 brochure,