denon x3300w don't show hdmi input on zone 1 weird issue

thesweetiger

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So after a power fail issue my denon x3300w don't work like it should with back hdmi only


Before I describe my problem
I tested 4 cable
two different screen
and direct connect to few device
tested with non-hdcp device

So for an unknow reason I can't see anything from hdmi 1 to 7 on zone 1 hdmi output for an obscure reason and alsoi the hdmi-cec is not working anymore. the sound work fine.
So what work;
-Analog input can show on hdmi zone 1 (zone 2 is not supported for video , this is normal from the manual )
-radio and player work show on zone 1 (zone 2 can hear just not show the player , this is normal from the manuall)
-hdmi 1-7 work fine on zone 2 only ....except if I connect and open a device on front hdmi , now it show on both zone!!!!
-front hdmi work fine on zone 1 like it should

So yes i do some test and I discover that the front hdmi enable now all back port for an obscure reason , normally this front part should only send a signal to switch to this port if something power on and was connected here and not cutting enable signal between hdmi 1-7 with the zone 1 output !!!

I keep unplugged for 20 minutes no success
I do the reset with ch+ ,ch- and power
I do the firmware downgrade with usb
i redo the firmware update

I see no change ,I still have the same problem ,

What should i do
Someone maybe have a services manual for this amp maybe?
 
Start with page 69. SM has a lot of hdmi troubleshooting tips.
 

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