※ In order to check, connect the player and the TV to the HDMI terminal and congure as AVR source.
Check sound output by turning on the player and the TV.
HDMI OUT
HDMI IN1
3-6 HDMI Rx/Tx(MN864788) & OSD(ADV7623) failure detection procedure
Check item(52). Check the TMDS CLK detection status of the regis-
ter.
Send the following command from Termite.exe.
Send the transmission command "i 00B2 006A 0001".
The return value is "11".
Go to Yes.
The return value is "00".
Go to No.
Checking the TMDS status of the register. (Rx/Tx -> OSD)
Example
i 00B2 006A 0001
Check item (53). Checking the TMDS input waveform. :
Check the TMDS waveform at the following test point.
Is the waveform like the sample?
23/24/26/27/29/30/32/33 pin
The HDMI Rx/Tx (IC721) is faulty.
Replace with a new device.
Recheck from check item (4).
If it does not work, replace the PCB.
The OSD(IC731) is faulty.
Replace with a new device.
Please check between Monitor Out and TV
Replace with a new device.
YES NO
TMDS Signal
3.3V
Example of waveform in check ①
TMDS
Example of waveform in check ②
YES
95
Caution in
servicing
Electrical Mechanical Repair Information Updating
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