Donkey Kong help needed

Cl cleaned all ribbon cables and reconnected reseated the z80 Chip And reseated and cleaned the 5a chip and now I get this..
The background music and other sounds missing
 

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Cl cleaned all ribbon cables and reconnected reseated the z80 Chip And reseated and cleaned the 5a chip and now I get this..
The background music and other sounds missing

Have you checked voltages yet?
 
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