Denon AVR-2311CI Service Manual page 50

ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE
When replaced of the U-PRO (Microprocessor) or the Flash ROM, confi rm contents of the following. d
PWB Name Ref. No.
DIGITAL U5301 R5F64169DFD
DIGITAL U5101 EN29LV160BB-70TIP
DIGITAL U5500 R5F3650KNFB
DIGITAL U3202 EN29LV160BB-70TIP
DIGITAL U3000 EPM240T100C5N
DIGITAL U1603 M25P40-VMN6PB
DIGITAL U3901 HY27UF081G2A-TPCB
After replaced
A : Mask ROM (With software). No need write-in of software to the microprocessor.
B : Flash ROM (With software). Usually, no need write-in of software. But, when the software was updated, you should be
write-in of the new software to the microprocessor or fl ash ROM. Please check the software version.
C : Empty Flash ROM (Without software). You should be write-in of the software to the microprocessor or fl ash ROM.
Refer to "Update procedure" or "writing procedure", when you should be write-in the software.
VERSION UPGRADE PROCEDURE OF FIRMWARE d
1. Preparations before starting the operation
(1) Personal Computer (Installed "DFW_0042_AVR2311_AVR891_(Rev.1.0.6).exe").
(2) RS-232 cable (Male to female, Straight).
(3) 8U-210100 Writing Kit. (for 891E3, 891EA model)
2. Connection of the AV receiver/amplifi er
[for 891E3, 891EA model]
(1) Confi rm the power on/off switch of the AV receiver/amplifi er is turning off.
(2) Connect the update terminal of AV receiver/amplifi er 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
B
B
B
B
B
B
S706-709 : No Preference
RS-232C Cable
Writing Kit
50
Remark
SOFTWARE: Main
SOFTWARE: Main ROM
SOFTWARE: Sub
SOFTWARE: DSP ROM
SOFTWARE: Audio PLD
SOFTWARE: Video Confi g ROM
SOFTWARE: DM860 ROM
S702 : 3.3V
PC
s