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Need help for IC identification

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memo1402

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Hi,

I need to replace a component founded in a pioneer amplifier but i'm not sure about the purpose of the component. I linked an image. Can you help me about this?

Thank you.

Mon Jul 16 20-51-20.jpg

Mon Jul 16 20-51-59.jpg
 

It would be useful to know the model number of the amplifier and the component ID on the circuit board in case anyone has a service manual for it.

Brian.
 

It's the sbx-700sb amplifier and the board's ID is linked.

IMG_20180717_001615.jpgIMG_20180717_001900.jpg
 

I'm not sure where it fits on the board from those pictures unless it's U4 (just below the big heat sink).

I have tried to find a schematic for that model but failed. I suggest you contact Pioneer and request a service manual (not the owners manual) which will contain a schematic and parts list. You will probably have to go back to them with their own reference number from the parts list to get a replacement.

Brian.
 

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