Updating Firmware; Required Tools - Yamaha RX-Z11 Service Manual

I UPDATING FIRMWARE /
Note) The user memories (sound field parameters, sys-
tem memory, tuner presetting, etc.) are kept stored
even when you write the firmware.
Writing to Main microprocessor
When replacing the following parts, be sure to write the
latest firmware.
DSP P.C.B.
IC701 (Flash ROM) of DSP P.C.B.
G Required tools
• USB flash memory
• Firmware (RXZ11-xxxx.bin)
G Operation procedures
1. Download the latest firmware from the specified
download source to PC.
2. Copy the latest firmware into the root folder of the
USB flash memory.
Note) It will be impossible to write the firm-
ware when you copy it into the sub-
folder.
3. Connect the power cable of this unit to the AC out-
let.
4. Press the "MASTER ON/OFF" key of this unit
while pressing the "PROGRAM" knob of this unit.
Then the ADVANCED SETUP mode is activated.
(Fig. 1)
5. Press and hold the "SPEAKERS B" key of this unit
for about 3 seconds. (Fig. 1)
Writing of the firmware is set in the wait mode.
(Fig. 1)
"MASTER ON/OFF" key
"SPEAKERS B" key
"PROGRAM" knob
USB terminal
Fig. 1
RX-Z11/DSP-Z11
ADVANCED SETUP mode
SPEAKER IMP.
8ΩMIN
Writing of the firmware mode
USB FirmUpdate
Push SP.B key!
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