Denon AVR-S950H Series User Manual

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
100

Denon AVR-S950H Series Specifications

General

Brand	Denon
Model	AVR-S950H Series
Category	Stereo Receiver
Language	English