The Channel version of the 1989 generic ITV logo and idents went unused, as the region rejected them.
The logo was changed on the same day that ITV rebranded to ITV1.
On 1 June 1999, Channel used a hybrid ident that has the ITV Hearts background from the generic ident, before the franchise rebrand in November that year. It keeps its theme from the previous look.
This one was introduced in November alongside the other franchises. It might have been used alongside them for a while before it was dropped in favour of just the Channel logo on its own due to its unique style of identity. It still used its own theme instead of the ITV Hearts one there.
Maybe this was used until August 2001, as its June 1999 ident was used most of the time, and that ITV renamed to ITV1.
ITV Channel Television
On-screen logo (2006)
On-screen logo (2006-2011)
When ITV1 updated their logo in November 2006, Channel added their name, but was only used on promos and break-bumpers.
ITV1 updated their logo again in April 2010; Channel added their name, but was only used on promos and break-bumpers.