I need an electronics engineer

Job ID: 34660772

Budget: £20 – £250 GBP

I have three items,
1. A 22 inch Monitor, Turns on then goes dark, (Capacitor Replacement)
2. A Berhinger Q2222USB Audio Mixer. The Power supply has gone (Capacitor Replacement)
3 A Behringer MDX4600 Compressor Limiter Gate. Got hot and now won't turn on.