How To Update The Dsp Flash Rom By Playing Back A Cd - Pioneer SX-LX70SW Service Manual

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8.3 HOW TO UPDATE THE DSP FLASH ROM BY PLAYING BACK A CD

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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
• Optical cable
• Update disc (CD-R disc)
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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.
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[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 "2 PRO LOGIC II segment" does not flash when playing back a update disc, the disc is not able to use for updating.
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.
D • When updating is completed, the flashing FL display gets to stay illuminated.
If the flashing FL display doesn't get to stay illuminated, 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).
Please refer to "Indication of version" (P49).
2. Connect a DVD player
Connect the DVD player for updating to DIGITAL1 input jack of this unit.
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3. To get in the downloading mode
Turn on the AC Power of the main unit and set it in the standby state.
Keep pressing both the VOL+ and POWER buttons on the Display unit for 2 seconds or more. Then, the power is
turned on and the download menu appears.
Press the VOL+/- button on the Display unit to select "DSP1 DL". Then, press the INPUT SELECT button on the
Display unit.
* The download menu appears only when VOL 0 is set.
⇒ "DownLoading" is displayed on the FL, and the POWER LED (blue) flashes.
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CD or DVD player
SX-LX70SW
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3
DIGITAL1
Digital connection
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This unit
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