Can I add FX loop to Vox VT40+ ??? Schematic ???

[Dehn]

Hello all

Iv'e got a buddy who wants me to put an effects send and return in his Vox Vt40+ amp.
I don't have the schematic, but do have the Vt80+ schematic. Q: does anyone know how similar these amps are and is
the block diagram the same for these two models. Also anyone have idea's how this should be done without causing issues
with normal operation. Iv'e never done this, but don't think it would be that difficult.
And of course a schematic or block diagram would be most helpful

Thanks in advance

Dehn

[vintagekiki]

Vox VT40+

http://dealers.korgusa.com/svcfiles/VT40plus_SManual.pdf

[Dehn]

Hello vintagekiki

And thank you very much for the VT40+ schematic, I see its differant then the VT80+ This will help me a lot.

Regards
Dehn