3-17. HDMI DDC Buffer (TCA9517DGKR) failure detection procedure
Checking operation between the HDMI (HDMI DDC Buffer) and the player
b
In order to check, connect the player to the HDMI terminal and configure the player as AVR source.
Check the sound output while turning on the player.
Check item(3-17.1.).
Checking the 5V status register :
Send the following command from Termite.exe.
Send the command "
i 0006 00FF 0001
".
Check the value.
Move to the branch destination according to the value returned.
Checking the +5V/DDC status register (HDMI DDC Buffer)
Example
i 0006 00FF 0001
F8
"
78 or 70
"
(Detection of 5V is not OK.)
"
00 or 04
"
(Detection of DDC is not OK.)
"
F8 or F0
"
(Detection of 5V is OK)
"
22
"
(Detection of DDC is OK)
Go to
check item (3-17.3.)
Go to
check item (3-17.4.)
Go to
check item (3-17.5.)
Check item(3-17.2.).
Checking the status register :
Send the following command from Termite.exe.
Send the command "
i 0003 00B4 0001
".
Check the value.
Move to the branch destination according to the value returned.
Example
i 0003 00B4 0001
22
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