18
WHEN THE MICROPROCESSOR IS REPLACED WITH A NEW ONE
When the U-PRO (Microprocessor) or the Flash ROM is replaced, conrm the following.
PWB Name Ref. No. Description
After
replaced
Remark
DIGITAL
IC91 STM32F101ZE
B
SOFTWARE: Main
DIGITAL
IC82 MX25L8006EM2I-12G
B
SOFTWARE: DSP ROM
DIGITAL
IC14 MX25L8006EM2I-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 ash ROM. Please check the software version.
C
: Empty Flash ROM (Without software). You should write the software on the microprocessor or ash ROM.
Refer to "Update procedure" or "writing procedure", when you write the software.
PROCEDURE
FOR UPGRADING THE VERSION OF THE FIRMWARE
1. Preparations
1.1. Before starting the operation
(1) Personal Computer
(2) RS-232 cable (9P (Male), Straight).
(3) 8U-210100S WRITING KIT.
(4) 606050028012P / 7P FFC(1.0) L=240.
1.2. Connection of the AV receiver
(1) Conrm the power on/off switch of the AV receiver is turning off.
(2) Connect the update terminal of AV receiver with the "WRITING KIT".
(Refer to gure below for the connection of the 7P FFC cable.)
(3) Connect the RS-232C cable from PC with the "WRITING KIT".
1.2. Connection of the AV receiver
(1) Conrm the power on/off switch of the AV receiver is turning off.
(2) Connect the update terminal of AV receiver with the "WRITING KIT".
(Refer to gure below for the connection of the 7P FFC cable.)
PC
WRITING KIT
RS-232C Cable
This side is contacts of
7P FFC Cable.
S709
S708
S707
S706
S702
S706-709 : HIGE
S702 : 3.3V
7P FFC Cable
7P FFC Cable
1 pin