I have 4 machines lying with me , All of the have problem in the processor bd.

2 machines are totally dead. The PSU & Transformers are good, Processor BD is not fuctioning

one of machines is functioning really good, But problem happens when i press the zoom button. When i zoom out the machine is fine again

Iris control not happening , on the console.

pls help me out or send me the manual to ksvijaya@hotmail.com