Pioneer VSX-03TXH Service Manual page 73

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[2] DSP FLASH ROM
[Purpose]
Refer to this section when updating the DSP flash ROM firmware is required by the service information, etc.
It is able to update the DSP flash ROM firmware by playing back a CD-R which is recorded a DSP firmware (.wav file) via
digital connection.
[Necessary Tools]
• DVD player
• Coaxial cable or Optical cable
• Update disc (CD-R disc)
Note:
Please use DVD player based on MTK system (DV-270, 370, 373, 575K, 280, 380, 383, etc.),Mitsubishi system (DV-59AVi,
868AVi, S969AVi, 668AVi, etc.) and Fujitsu system (DV-343, 444, 545, etc.).
DO NOT use DVD player based on ST system (DV-353, 454, 250, 400, 555K, 260, 363, 464, 466, 563, etc.).
The factory confirmed that DVD players based on ST system cannot send the correct data to the receiver.
You can check the base system of our DVD players on the firmware version list at PSN web (Niis).
[Connections]
Connect as shown in the figure below.
[Preparations]
Burn the DSP flash ROM firmware (.wav file) to a CD-R disc using commercially available burning software.
It is necessary to select the writing format to "For music player", not "For PC data".
Note:
Depending on a burning software, data on a CD-R may not be worked for updating the DSP flash ROM.
If the HDMI indicator does not flash when playing back a update disc, the disc is not able to use for updating.
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Burn the DSP flash ROM firmware to a CD-R disc, using other burning software.
[Note]
• Do NOT disconnect the AC power cords of this unit and the CD/DVD player during a updating.
• "OK" is appeared on the FL display when updating is completed.
If the "OK" is not appeared, updating has not been completed correctly. Be sure to perform the updating procedures again.
[Procedures]
1. Check the version of the DSP flash ROM (1st DSP) and the DSP ucom.
Please refer to 6.1 TEST MODE "Version indication".
2. Connect a CD or DVD player
(1) Connect the CD or DVD player for updating to any digital input jack of this unit.
(2) Select the input source to the connected source by pressing input source key.
(During the default setting, COAX-1 belongs to DVD, OPT-1 belongs to TV SAT.)
3. Confirm that the digital input signal is locked on the AV receiver.
(1) Play back the update disc on the CD/DVD player.
(2) Set the signal select setting of the AV receiver to the "Auto" then confirm that the Signal Select indicator is Digital.
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