Denon AVR-X4500H - Page 114

3-5. Error Code H1-14 failure detection procedure
Checking 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 the
substrate.
3-6. Error Code H1-15 failure detection procedure
Checking 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.)
YES
YES
NO
NO
Recheck from check item (3.1.)
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
114