hifi engine

Onkyo M501

i have a minor but serious problem in my amplifier which i made my self,, can some body help me??? then i discus my problem



Onkyo M501

I think we will need more information before we can help you.

Onkyo M501

Thankxx for responce.infect i made a amplifier (Onkyo M501)which i made on VERO board..volts are ok according to circuit diagram.but the problem sound is very weak.sound is not ok.very poor.i dont know what happend.whats problem.because i face this problem first time...i m very wondering abt this fault.because if i have volts problem inside i can trace the fault.but volts are ok same to same according diagram.but sound of amplifier is so weak so poor..
This kind of problem i almost face in my every circiut.before this i made yamaha amplifer (XL250) same this issue ...i already changed my transformer my filter capaistors bridge rectifier.but the problem issue still...
Now tell me what i do.any idea any suggestion..what you think abt this problem.what can problem.????? Plz help me
If any one wants more infermation abt any thing.i can pervoid....
Thankxx for responcr..

Onkyo M501

Are the protection relays closing? If not, then there is a problem in the main amplifier or the protection circuit has a fault.

Onkyo M501

No ..i just made power amp section.not protection circuit...and i m asking that what kind of fault.while volt are ok.

Onkyo M501

Try posting to a diy-forum... with pictures!

Arne K