3-5. Error Code H1-14 failure detection procedure
Checking device. [U3000, U3001 : A3R12E40DBF-8E]
Check item(3-5.1.).
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(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 [U3001] 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
108