Denon AVR-1712, Service Manual

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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. Description
After
replaced
Remark
HDMI IC41
R5F56108VNFP
B
SOFTWARE: Main
HDMI U7
EN29LV160BB-70TIP
B
SOFTWARE: DSP ROM
HDMI IC22
EPM3032A-TC44
B
SOFTWARE: AUDIO PLD
HDMI IC11
MX25L3206EM2I-12G
B
SOFTWARE: OSD ROM
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" (157 page)
• PCB HDMI ASSY
• IC11 (MX25L3206EM2I-12G
• IC41 (R5F64169DFDFP)
• U7 (EN29LV160BB-70TIP)
• IC22 (EPM3032A-TC44)
1. How to update by DFW
1.1. Preparations before starting the operation
(1) Personal Computer (Installed "DFW_0052_AVR1712_(Rev.x.x.x).exe".
(2) RS-232 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".
s
PC
WRITING KIT
RS-232C Cable
4P FFC Cable
This side is contacts of
flexible card cable.
S709 S708 S707 S706 S702
S706-709 : No Preference S702 : 3.3V