TX-SR308/ 508 HT-R280/ 380/ 538/ 580/ HT-RC230
1. PC
（
Personal Computer
）
which
can play back wav files and
output digital audio signal at 44.1 kHz (sampling frequency)
2. Software
：
Given wav-formatted FW Store it in the PC in advance (PC Update) or burn a CD-R with it as a music disc (CD Update).
* Instead of PC, CD players with DIGITAL output terminal can be used.
Note: CD players need to output digital audio signal at 44.1 kHz of Sampling frequency.
Some CD players and DVD players are not suitable for update because they process audio signal to output.
Burn a CD-R as music disc.
Preparation for Update
3. Connection: DIGITAL (OPTICAL/COAXIAL) ourput of PC/CD Player --> DIGITAL (OPTICAL-1/COAXIAL) INPUT of TX-SR308 etc.
* PC needs to be able to handle wav files and output digital audio signal at Sampling Frequency 44.1KHz.
* For wav-compatible PCs which do not output audio signal at the above specification,
use a commercially-available USB-AUDIO interface unit. e.g. Onkyo-made ND-S1
* Set Sampling frequency to 44.1kHz and also set Volume to Maximum.
For further information, please see Owner’s manual of your PC.
[NOTE: See MAIN/DSP Update Procedure-1]
*Combination of "MAIN_FW and OSD_FW” has limitation.
*OSD FW cannot be updated.
MAIN/DSP Update Procedure-2
<NOTE 1>
“Writing” will not be shown even more than about 15 seconds passed after starting playback,
audio signal does not output at Sampling frequency:44.1kHz. Check the connection and settings and try again.
When another try results in failure again, use the other update method.
<NOTE 2>
DURING FW UPGRADE,DO NOT TURN OFF THE UNIT. DO NOT REMOVE ANY CONNECTIONS.
These operation will not allow FW Upgrade any more, andthe whole board or IC will need replacing.
Rear Panel
OPTICAL
1
(VCR/DVR)
DIGITAL
OUT
OPTICAL
Connection Example
USB-AUDIO interface unit.
e.g. Onkyo-made ND-S1
PC(Personal Computer
）
For a different shape of OPTICAL terminal,
Use a conversion adapter.
L
DIGITAL
ANALOG
REMOTE
CONTROL
OUT
OUT
OPTICAL
DIGITAL
OUT
OPTICAL
CD player
Rear Panel
OPTICAL
1
(VCR/DVR)
ON/S
TANDBY
ST
ANDBY
iPo
d
PC
SYNC/
UNSYNC
iP
od
TRANSPO
RT
USB cable
DIGITAL
OUT
OPTICAL
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