FIRMWARE UPDATE -1
TX-SR875
RS232
DIGITAL
COAXIAL
OPTICAL
REMOTE
CONTROL
IN 1
IN 1
IN 2
IN IN IN IN
PHONO
ZONE2 R FRONT R
FRONT R
(BTL)
SURR R CENTER
SURR BACK R
CD TAPE AUX 1
GAME/TV
GAME/TV CBL/SAT
CBL/SAT
ARVD/RCV1 XU
VCR/DVR DVD
DVD
GND
IN 2
IN 3
LL
V
V
S
S
RR
ASSIGNABLE
(DVD)
(CBL/SAT)
(VCR/DVR)
(GAME/TV)
(CD)
OUT
HDMI
SIRIUS
XM
IN 1IN 2IN 3IN 4
ASSIGNABLE
OUT
COMPONENT VIDEO
ASSIGNABLE
IN 3
Y
C
B
/P
B
C
R
/P
R
IN 2 IN
1(DVD)
MONITOR
OUT
OUT
IN IN
OUT
IN TNORFNI CENTER
REFOOWBUS
MONITOR
OUT
AM
Bi-AMP
TX-SR875 Rear Panel
(Target unit)
Update Procedure
3. Make sure that the following message appears on Front Panel.
If the version is not “1.01/07615L,” DO NOT carry out upgrade with this tool.
The upgrade will cause the unit to no longer operate properly until FW is correctly reloaded.
4. Double click "Update.exe" in the folder extracted from "App_Updater_875.zip.”
If an error message like “MSCOMM32.OCX is missing" appears, a set of missing files needs to be installed.
Go to FIRMWARE UPDATE -3.
MainUpdate Mode
Ver.1.01/07615L
Preparation for Update (Main)
1. Personal computer(PC) with Windows XP or 2000
2. Cable: RS232 straight cable
3. Writing soft: "App_Updater_875.zip" Unzip this file in advance. (File name depends on the version.)
If VB6 Runtime is not installed in the PC, go to FIRMWARE UPDATE -3 first.
1. While the target unit is unplugged, connect the unit and PC with RS232 straight through cable.
2. Holding down [Enter], plug AC cord of the target unit.
Hardware and Software
RS232 terminal
RS232 straight through cable
PC
(Personal computer)
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