Denon D-T1

PROCEDURE AFTER REPLACING THE PCB. PROCEDURE AFTER REPLACING THE U-COM, ETC.
The rmware of U4 (EN25QH16B-104HIP2A) in the MAIN PCB differs depending on the region.
Be sure to follow the instructions in "FIRMWARE UPDATE PROCEDURE" to update to the latest rmware
after changing a circuit board.
The procedure after replacing the u-COM (microprocessor), ash ROM, etc. is as follows.
PCB Name Ref. No. Description
Procedure
after Re-
placement
Remark
MAIN U4 EN25QH16B-104HIP2A 16Mb B SOFTWARE : DSP
MAIN U10 STM32F030R8T6 B SOFTWARE : Main
Procedure after Replacement
A : The software has been written. The software is not written at the time of replacement.
B : The software has been written. The software may need to be rewritten by version updates. Check the
version.
C : The software has not been written. The software needs to be written after replacement.
See "FIRMWARE UPDATE PROCEDURE" for information on writing the software.
D : The software has been written. Be sure to rewrite with the latest software for your service region.
See "FIRMWARE UPDATE PROCEDURE" for information on rewriting the software.
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
48