kicker kx800.1 - no sound

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photo amp.
 

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kx800.1 power on - but no sound.

hot d201, d202
ic10 TL072C - no audio on 1 and 7 pin. on 2,3,5,6 pins audio is
if delete ic10, a there are impulses on l101, l201. I changed the ic to a new one, there is no sound at the output, the pulses on l101, l201 disappear.
 

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