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Panasonic DG board issue

Certi
By Certi
in Home Theater Equipment
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Hi guys,

 

I've just joined and I'm not sure whether this should be in here or in the troubleshooting section, feel free to move it. Anyway...

 

I've got a Panasonic TH37PX70B plasma TV (it's old but gold) and I was having an issue where the TV wasnt displaying any video or audio from HDMI sources. I did some searching online which all pointed to the DG board (TNPA4226) so I ordered a replacement online and it arrived today. I fitted it and the HDMI now works fine, it shows both picture and audio, however, when I'm watching TV through the aerial it doesn't play any audio, just picture. I've taken the board out and put the original one back in and it plays audio through the Aerial feed without any problem.

 

So my question is: is the replacement board faulty also, or am I doing something wrong? Does anyone have any other suggestions?

 

Thanks.

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