Denon AVR-X4500H Service Manual

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

3-5. Error Code H1-14 failure detection procedureChecking device. [IC402, IC403 : A3R12E40DBF-8E]Check item(3-5.1.).Check soldering of IP SCALER [IC401], DDR2 [IC402/IC403] and its peripheral circuits.Check soldering of the resistors [R4076 to R4082, RN401 to RN415] between IP SCALER and DDR2.If there is no problem with soldering, [IC401/IC402/IC403] is defective. Replace their IC. Or replace thesubstrate.3-6. Error Code H1-15 failure detection procedureChecking device. [IC404 : MX25L12835FMI-10G]Check item(3-6.1.).Write to the GUI ROM.Recheck from check item (3.1.)Does Error Code H1-15 continue?Check item(3-6.2.).Replace [IC403] with a new device.Recheck from check item (3.1.)Does Error Code H1-15 continue?Go to check item (3-4.1.) Recheck from check item (3.2.)YESYESNONORecheck from check item (3.1.)Before ServicingThis Unit Electrical Mechanical Repair Information Updating114