Firmware
5 4 3
2
1
6
D
C
A
B
D
C
A
B
5 4 3
2
1
6
How to Update (service mode) 1/2
TX-SR343/444
HT-R494
Overwriting is also possible.
1. Connect the MMC card JIG(Part No: 0J34) with MMC card that is already all firmware
in
it to JIG port on the unit.
2. Turn on the unit. It takes some time to start after you switch on the unit.
Press: [TONE +] + [ON/STANDBY] x 2
3. Press [RETURN] button, Then it is displayed as below
If you need each module of the firmware update, you can select the module by pressing
PRESET < and > button.
MMC -> ALL: ALL firmware update (default)
MMC -> DSP: DSP firmware update
MMC
-> OSD: OSD firmware update
MMC -> VMPU: Video MPU firmware update
MMC -> MMPU: Main MPU firmware update
MMC -> WORK: Compare between AVR and MMC, Only update new version firmware
The default setting is “ ALL”
CAUTION: When you will update each module firmware,
you have to keep combination of firmware.
4. Press [ENTER] button. Start update firmware.
MMC card JIG
(Part No: 0J34
)
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