Keywords: HT4186, 4186, Amazon prime, Netflix, hulu, no sound, Dolby/DTS
If you experience no sound while watching Amazon/Netflix programs:
1）Ensure your TV Audio Format is set to "PCM" or "DOLBY/DTS" is OFF.
2) Change your TV audio out setting to "External Speaker".
3) HT4186 does NOT decode DOLBY/DTS, you need to have one Digital Analog Converter that can decode DOLBY/DTS：