Denon AVR-X4500H Service Manual

Also see for AVR-X4500H: Owner's manual Owner's manual

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 OUTHDMI IN1When the results of check item (3-18.1.) are "YES"(When the menu display is OK)Check item(3-18.5.). Check the PLD video signal line from the HDMITx :Check the video signal waveform at the following test point.Is the waveform like the sample?IC421HO_DECheck item(3-18.6.). 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?IC4018KI_DECheck the Video signal line. (HDMI Tx -> PLD)Check the Video signal line. (PLD -> GUI)NONOCheck 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.GUI [IC401] is faulty.Replace with a new device.YESYESRecheck from check item (3.5.)If it does not work, replace the PCB.Recheck from check item (3.5.)If it does not work, replace the PCB.3.3VExample of waveform in check ①Voltage scale : 1.0V/divTime scale : 1ms/div3.3VExample of waveform in check ②Voltage scale : 1.0V/divTime scale : 1us/div3.3VExample of waveform in check ①Voltage scale : 1.0V/divTime scale : 1ms/div3.3VExample of waveform in check ②Voltage scale : 1.0V/divTime scale : 1us/divBefore ServicingThis Unit Electrical Mechanical Repair Information Updating146