Turn Video Conversion "ON" on the setup menu.
(SETUP MENU-> Video-> Output Settings-> Video Conversion = On)
In order to check, connect the player to the HDMI terminal and configure the player as AVR source.
Next, turn on the power for the player and TV and start playback on the player.
HDMI OUT
HDMI IN
1
When the results of check item (69) are "
YES
"
(When the menu display is OK)
Check the Video signal line. (HDMI Tx -> GUI)
Check item(73).
Check the HDMI Tx video signal line from the HDMI
Tx :
Check the video signal waveform at the following test point.
Is the waveform like the sample?
IC431
174 pin
Check item(74).
Check the GUI video signal line from the PLD :
Check the video signal waveform at the following test point.
Is the waveform like the sample?
IC421
DE
R4221
Check the Video signal line. (HDMI Tx -> PLD)
Check the Video signal line. (PLD -> GUI)
3.3V
Example of waveform in check ①
3.3V
Example of waveform in check ②
3.3V
Example of waveform in check ①
3.3V
Example of waveform in check ②
NO
NO
Check the peripheral pattern between the HDMI Tx (
IC431
) and PLD (
IC421
).
If there is no problem, the HDMI Tx (
IC431
) is faulty.
Replace with a new device.
Check the peripheral pattern between the PLD
(
IC421
) and GUI (
IC401
).
If there is no problem, the PLD (
IC421
) is faulty.
Replace with a new device.
The GUI (
IC401
) is failure.
Replace with a new device.
YES
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.
128
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
