Power Acoustik RZ4-2000D

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Greetings, im having an hard time to locate output ic for repairing an amp that uses TDA8953J for the outputs, can I use the TDA8954J as a replacement?
the 8953 datasheet has no contact N.C. on pins 4 and 6, if i use the 8954 could i cut those pins?
on the 8954 pin 4 is diagnostic output 1 (open drain; TFB)
the pin 6 is diagnostic output 2 (open drain; protection functions),
leaving those pins isolated will the TDA8954J operate just as the TDA8953J?
 
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