Marantz SR5011 - Page 109

Check item(63). Check the TMDS CLK detection status of the regis-
ter.
Send the following command from Termite.exe.
Send the command "i 00E2 0004 0001".
When the following value is returned, go to Yes.
"02"
When the following value is returned, go to No.
"other"
Check item (64). Checking the TMDS input waveform. :
Check the TMDS waveform at the following test point.
Is the waveform like the sample?
Checking the TMDS status register (HDMI SW -> GUI)
Example
The GUI (U1026) is faulty.
Replace with a new device.
HDMI SW (U1055) is faulty.
Replace with a new device.
The GUI (U1026) is faulty.
Replace with a new device.
NO
TMDS Signal
3.3V
Example of waveform in check ①
TMDS
Example of waveform in check ②
YES
YES NO
Recheck from check item (6).
If it does not work, replace the PCB.
Recheck from check item (6).
If it does not work, replace the PCB.
When the results of check item (60) are "the communication results are OK"
109
Caution in
servicing
Electrical Mechanical Repair Information Updating