Topband: Receive Audio Failure on My Old FT-1000MP

[Johan Teranggi]

In my effort to put YC-land station back on the map of topbanders in the coming Stew Perry Contest, I found my old FT-1000MP is totally lack of receive audio when in SSB and CW modes. 

Does anyone know if any solutions has been written/documented anywhere in the internet? Your info will be much appreciated. Pse send to my private email address: yc0low at cbn.net.id. 

Mni tnx es 73 de Jo, YC0LOW

PS:
My apologise for posting this off-topic to the reflector.