When The Microprocessor Is Replaced With Anew One; Procedure For Upgrading The Version Of The Firmware; How To Update By Dfw - Denon AVR-E400 Service Manual

WHEN THE MICROPROCESSOR IS REPLACED WITH A NEW ONE
When the U-PRO (Microprocessor) or the Flash ROM is replaced, confirm the following.
PCB Name Ref. No.
HDMI U3002 R5F56108VNFP
HDMI U2003 MX29LV160DBTI
HDMI U2205 5M80ZT100C5N
HDMI U2603 H27U1G8F2BTR
HDMI U1602 MX25L12836EMI-10G
After replacing
A : Mask ROM (With software). No need for write-in of software to the microprocessor.
B : Flash ROM (With software). Usually, no need for write-in of software. But, when the software was updated, you should
write the new software on the microprocessor or flash ROM. Please check the software version.
C : Empty Flash ROM (Without software). You should write the software on the microprocessor or flash ROM.
Refer to "Update procedure" or "writing procedure", when you write the software.
D : Flash ROM (With software). But you should write to the latest version of each region.

PROCEDURE FOR UPGRADING THE VERSION OF THE FIRMWARE

NOTE: When the following are replaced, always rewrite with updated firmware using DFW. (Refer to parts list of "HDMI
PCB UNIT ASS'Y" (
• PCB HDMI ASSY
• U3002 (R5F56108VNFP)
• U2003(MX29LV160DBTI)
• U2205(5M80ZT100C5N)
• U2603(H27U1G8F2BTR)
After replacing U2603, always update the Firmware. After the update has been completed, initialize network.
（<50 page>)
• U1602(MX25L12836EMI-10G)

1. How to update by DFW

[AVR-E400E3/AVR-X2000E2 , E1 , E1C models]
1.1. Preparations before starting the operation
(1) Personal Computer (Installed "DFW_0064_AVRX2000_E400_(Rev.X.X.X).exe".
(2) RS-232C cable (9P (Male), Straight).
(3) 8U-210100S WRITING KIT.
1.2. Connection of AV receiver
(1) Confirm the power on/off switch of the AV receiver is turning off.
(2) Connect the update terminal of AV receiver with the "WRITING KIT".
(3) Connect the RS-232C cable from PC with the "WRITING KIT".
Description
)
See the part list in Excel format.
4P FFC Cable
This side is contacts of
flexible card cable.
After
replaced
D SOFTWARE: Main
B
SOFTWARE: DSP ROM
B SOFTWARE: AUDIO PLD
D SOFTWARE: DM860A ROM
D SOFTWARE: GUI ROM
S706-709 : No Preference
RS-232C Cable
WRITING KIT
55
Remark
S702 : 3.3V
PC