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
