It's actually quite easy but that might just be if you know how! It looks like only your blues have blown, maybe a problem with the driver for that spectrum causing it.
If you ring them it's much easier to arrange things btw, they are pretty knowledgeable and really helpful. Bear in mind that if you try and fix it yourself with replacements they send do get it in writing that you can break the warranty seal
If you ring them it's much easier to arrange things btw, they are pretty knowledgeable and really helpful. Bear in mind that if you try and fix it yourself with replacements they send do get it in writing that you can break the warranty seal