When I change the source at ADV7627, there is not a sound in the monitor very rarely.

Question

I'm a hardware engineer in Japan. 
 e.g. PC, Blu-ray(3 sources) &rarr; ADV7627 &rarr; monitor. 
 When I change input source at ADV7627, there is not a sound in the monitor very rarely. 
 Do I have to change some setting at the time of a source change? 
 Best regards.

DharaniS · Accepted Answer

Hi, 
 The Register MAIN_RST (0XFF) is used to reset the ADV7627.

Please refer ADV7625_Register_Control_Manual_RevPrC_12Apr13.pdf at /cfs-file/__key/communityserver-discussions-components-files/331/6254.ADV7625_5F00_Documentation.zip 
 
 fifo_near_ovfl_rx1_raw (0X6B[7]) and fifo_near_ovfl_rx2_raw(0X8E[7]) indicates the overflow status of Audio FIFO at rx1 and rx2.

Please refer ADV7625_HW_Manual_RevPrB_31May2013.pdf.

Thanks, Dharani S)

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When I change the source at ADV7627, there is not a sound in the monitor very rarely.