Solution
If by HDMI adapter you mean a passive cable with HDMI at one end and RCA plugs at the other then you need an active HDMI to AV converter.
HDMI is digital video and audio. Component or composite is analog video and you need analog audio to connect to the RCA audio input on the TV.
If by HDMI adapter you mean a passive cable with HDMI at one end and RCA plugs at the other then you need an active HDMI to AV converter.
HDMI is digital video and audio. Component or composite is analog video and you need analog audio to connect to the RCA audio input on the TV.
 
Solution