adcom585 opadcom 2a and PC501 what are?

[attilio.mazzone]

Hello
in my adcom 585 are broken the op adcom 2a...this compont is not signed...what is? one lf411 or other op? please hel me

and the component (on schematic diagram) signed with PC501 (PS2505-1) what is? how i can replace it with another component?

thank you at all

 

[KBK]

that information is likely to be here on the forum, if you search for it.

 

[attilio.mazzone]

yes is here on this forum but i have read to much name of op..
lf411, ad711, opa604 ecc
i don't understand where is the just op for my 585....

 

[djk]

The IC is an AD 820

 

[attilio.mazzone]

hi djk... excuse me but i had not understood.... ok is ad820...oooooh..thank you...
For the photo coupler? in the schematic diagram is signed with PC501(for led protection...) is signed in the list of component with PS 2505-1, what is this?

thank you at all...all member of this forum with big heart... thank you

Attilio M.