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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.
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PWB Name Ref. No. Description
After
replaced
Remark
DIGITAL U5301 R5F64169DFD B SOFTWARE: Main
DIGITAL U5101 EN29LV160BB-70TIP B SOFTWARE: Main ROM
DIGITAL U5500 R5F3650KNFB B SOFTWARE: Sub
DIGITAL U3202 EN29LV160BB-70TIP B SOFTWARE: DSP ROM
DIGITAL U3000 EPM240T100C5N B SOFTWARE: Audio PLD
DIGITAL U1603 M25P40-VMN6PB B SOFTWARE: Video Confi g ROM
DIGITAL U3901 HY27UF081G2A-TPCB B SOFTWARE: DM860 ROM
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
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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”.
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
s
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