My system is HDMI AV switch.
HDMI output form the system goes into HDMI input on a PC. HDMI input is availale because the PC has PCIe image capture card from Blackmagic design.
My AV switch system was designed with ADV3003 as shown in case 1 below.
My system and a PC are first connected each with HDMI cable before the PC is powered up. And I power up the PC then PC fails to boot. I did the same test with ADV3002.
My result was as follows:
* When TMDS output termination is off the PC successfully boots. It is case 2.
* When TMDS output termination is on the PC fails to boot and stops working. It is case 3. Case 1 is the same condition as case 3.
My question is why PC fails to boot when TMDS output termination is on. Which one of ADV3003 and PCIe graphic card is a problem?