Fiji,
I had the same problem with my previous Denon AVR setup; wouldn't pass analog audio to Zone 2 with a digital (HDMI) input.
The workaround for me was a "4K HDMI TO HDMI+Audio Converter" which is basically a small HDMI pass-through box that goes in line between your cable box and AVR and breaks out coaxial (analog) RCA outputs that you can place through available auxiliary input to the zones on your AVR.
The part I purchased was a "CS-HDMABO" from Crutchfield.
As it turns out, in upgrading to HEOS system at the time, the signals from cable, Blu-ray and streaming gets "magically" passed to all the zones (not surprising since the whole HEOS system is basically a streaming format), so I never got to use the converter. That said, I recall there were a lot of options available, so would suggest mousing around online and see what's out there.
Good Luck
I had the same problem with my previous Denon AVR setup; wouldn't pass analog audio to Zone 2 with a digital (HDMI) input.
The workaround for me was a "4K HDMI TO HDMI+Audio Converter" which is basically a small HDMI pass-through box that goes in line between your cable box and AVR and breaks out coaxial (analog) RCA outputs that you can place through available auxiliary input to the zones on your AVR.
The part I purchased was a "CS-HDMABO" from Crutchfield.
As it turns out, in upgrading to HEOS system at the time, the signals from cable, Blu-ray and streaming gets "magically" passed to all the zones (not surprising since the whole HEOS system is basically a streaming format), so I never got to use the converter. That said, I recall there were a lot of options available, so would suggest mousing around online and see what's out there.
Good Luck