3-5. Error Code H1-14 failure detection procedure
Checking device. [
U1028, U1029 : A3R12E40DBF-8E
]
Check item(3-5.1.).
Check soldering of IP SCALER [
U1026
], DDR2 [
U1028/U1029
] and its peripheral circuits.
Check soldering of the resistors [
R1688/1689/1692/1695 to 1700/1703 to 1711
] between IP SCALER and
DDR2.
If there is no problem with soldering, [
U1026/U1028/U1029
] is defective. Replace their IC. Or replace
the substrate.
3-6. Error Code H1-15 failure detection procedure
Checking device. [
U1027 : 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 [
U1029
] 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
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
105