Denon AVR-X6400H - Error Code H1-14 Failure Detection Procedure; Error Code H1-15 Failure Detection Procedure

3-5. Error Code H1-14 failure detection procedure
Checking device. [U3000, U3001 : A3R12E40DBF-8E]
Check item(22).
Check soldering of IP SCALER [U2800], DDR2 [U3000/U3001] and its peripheral circuits.
Check soldering of the resistors [R2821 to R2843] between IP SCALER and DDR2.
If there is no problem with soldering, [U2800/U3000/U3001] is defective. Replace their IC. Or replace
the substrate.
3-6. Error Code H1-15 failure detection procedure
Checking device. [U2801 : W25Q128JVFIQ]
Check item(23).
Write to the GUI ROM.
Recheck from check item (1).
Does Error Code H1-15 continue?
Check item(24).
Replace [U3001] with a new device.
Recheck from check item (1).
Does Error Code H1-15 continue?
Go to check item (17) Recheck from check item (2).
YES
YES
NO
NO
Recheck from check item (1).
107
Caution in
servicing
Electrical Mechanical Repair Information Updating