Macintosh Color Classic - No sound from internal speaker

[Jujul98]

Hi!

I have a Macintosh Color Classic that doesn't make any sound from the internal speaker.

It works perfectly with external speakers.

If I put inside another logic board, the internal speaker works.

If I put the original logic board, no sound (no chime, no applications sound)

The original logic board has been recapped and cleaned; no physical damage.

Is anyone have an idea?

Thanks for your help 

 

[Macdrone]

sounds like traces or board edge issues.  If another logic board works its that logic board has the issue.