In the U.K., try...
www.daewooelectronics.co.uk
Enter Site, Select Support then Customer Care.
A .pdf file is offered, which provides general tuning information for all their products.
In the U.S.A., try..
http://www.e-daewoo.com/
Select Customer Service then Owners Manuals.
There are some VCR manuals at the bottom of the page.
Don't see T220P listed but you will probably find one which is similar enough to point you inthe right direction.
Cobweb
January 2005