When The Microprocessor Is Replaced With A New One; Procedure For Upgrading The Version Of The Firmware; How To Update By Dfw - Denon AVR-1912E3 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.
PWB Name Ref. No.
HDMI IC41 R5F56108VNFP
HDMI U7 EN29LV160BB-70TIP
HDMI IC22 EPM3032A-TC44
HDMI IC11 MX25L3206EM2I-12G
HDMI IC11 MX25L6406EM2I-12G
HDMI IC18 H27U1G8F2BTR
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.

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 "PCB
HDMI ASS'Y" (188 page)
• PCB HDMI ASSY
• IC11 (MX25L3206EM2I-12G/MX25L6406EM2I-12G)
• IC18 (H27U1G8F2BTR)
• IC22 (EPM3032A-TC44) d
• IC41 (R5F64169DFDFP)
• U7 (EN29LV160BB-70TIP) d

1. How to update by DFW

[AVR-1912 model]
1.1. Preparations before starting the operation
(1) Personal Computer (Installed "DFW_0049_AVR1912_2112_(Rev.X.X.X).exe".
(2) RS-232 cable (9P (Male ), Straight).
(3) 8U-210100S WRITING KIT. f
Replacement:606050103005S (FFC 4P 300mm 1mm) h
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
4P FFC Cable
This side is contacts of
flexible card cable.
After
replaced
B SOFTWARE: Main
B SOFTWARE: DSP ROM
B SOFTWARE: AUDIO PLD
B SOFTWARE: OSD ROM (E3 model)
B SOFTWARE: OSD ROM (E2,EA,E1C model)
B SOFTWARE: DM860 ROM
S706-709 : No Preference
RS-232C Cable
WRITING KIT
45
Remark
S702 : 3.3V
PC
s
s
s