Yamaha receiver repairs required

hi, i have a yamaha receiver which turns off immediately, (sometimes longer) when I turn it on. I have disconnected cables and everything :-(anyone knows what wrong? maybe protection/circuit breaker thingy? Is it expensive to fix? (Agak2 how much?)

Hi zzzxtreme,
I have the same problems before, try to send it to Yamaha services centre which is located at Kelana Jaya along LDP. The service centre is just at the loading bay behind the Yamaha music school. Last time I used to due with Chua, but now not sure he his still there.
My Yamaha DSP3090 (15years old) get repair for few relay & parts less then RM300.. (not very sure the amount, 2-3years back)
Good luck..