TDA7057aq replace with a proper one

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Need some help...

1. - I have a tda7057aq ic amplifire. And now, only one output is working. Where should i start to check it.

2.- i like to replace the ic with a high quality one. But can i replace this ic with good tda ic (like 1552 or....) or, should i built a new one?

Thanks ūüėć
 
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This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.