Check item(58).
Check the TMDS CLK detection status of the regis-
ter.
Send the following command from Termite.exe.
Send the command "
i 0006 00FF 0001
".
When the following value is returned, go to Yes.
"
74
"
When the following value is returned, go to No.
"
70
"
Checking the TMDS status register (GUI -> HDMI Tx)
Example
Recheck from
check item (5).
If it does not work, replace the PCB.
Recheck from
check item (5).
If it does not work, replace the PCB.
Check item(59).
Checking the TMDS input. :
TMDS waveform at the following points.
55/56/58/59/61/62/64/65 pin
GUI (
U1026
) is faulty.
Replace with a new device.
HDMI Tx (
U1039
) is faulty.
Replace with a new device.
HDMI Tx (
U1039
) is faulty.
Replace with a new device.
TMDS Signal
3.3V
Example of waveform in check ①
TMDS
Example of waveform in check ②
YES
NO
YES
NO
GUI IC (ADV8003) failure detection procedure 2
104
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
