Sanwu TDA7492P CSR8635 Bluetooth 4.0

If you have problems with noise, try this fix.

Carried out on the revision of the Board 3.2.

Sanwu TDA7492P CSR8635 top

Sanwu TDA7492P CSR8635 top

Sanwu TDA7492P CSR8635 bottom

Sanwu TDA7492P CSR8635 bottom

The original wiring of the buffer between the CSR8635 and TDA7492P input:

Sanwu TDA7492P CSR8635 top detail

Sanwu TDA7492P CSR8635 top detail

The buffer is completely bridged, the connection is symmetrical. The use of external line-in is no longer possible.

Sanwu TDA7492P CSR8635 Noisefix

Sanwu TDA7492P CSR8635 Noisefix

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