Marantz NR1200 Service Manual page 92

3-8. HDMI SW [MN864787] failure detection procedure
Checking operation between the HDMI (HDMI SW) device and the player
HDMI
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.
Checking the +5V/DDC status register (HDMI SW)
Check item(3-8.1.). Checking the 5V status register :
Send the following command from Termite.exe.
Send the command "i 002E 00FF 0001".
Move to the branch destination according to the value returned.
HDMI IN1/IN2/IN3 "00"
(Detection of 5V is not OK.)
HDMI IN1 "44 or 40" HDMI IN2
(Detection of 5V is OK)
IN1-3
Example
i 002E 0040 0001
Go to check item (3-8.3.).
"22 or 20" HDMI IN3 "11 or 10"
Check item(3-8.2.). Checking the DDC status register :
Send the following command from Termite.exe.
Case of HDMI IN1
Send the command "i 002B 0084 0001".
Case of HDMI IN2
Send the command "i 002B 0054 0001".
Case of HDMI IN3
Send the command "i 002B 0054 0001".
Move to the branch destination according to the value returned.
"00 or 04"
(Detection of DDC is not OK.)
"22"
(Detection of DDC is OK)
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Example
i 002B 0084 0001
Go to check item (3-8.4.).
Go to check item (3-8.5.).