Pioneer VSX-521-K, Service Manual

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VSX- 8 21-K
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12. Make sure that the main unit is in STA N DBY mode.
Press and hold the "E N TER" and "STA N DBY/O N " keys, then press the "E N TER" key to display each UCOM version.
Each time the "E N TER" key is pressed, then indications on the FL display change as follows:
13. Turn the main unit off.
Check to the software VER of MAIN & Sub microcomputers.
* The version of the USB UCOM is displayed
only when USB/iPod FU
N CTIO N is selected.
(Except for V SX-521 & 421)
"E N TER" "E N TER"
"E N TER"
"E N TER" "E N TER" "E N TER"
MAI N UCOM
MAI N V 0.xx
SUB UCOM
SUB
V 0zz
CEC
CEC
V 1.yy
DSP
UCOM (USB
UCOM)
All segments lit.
[Procedures]
(2) How to Update the USB Microcomputer (VSX- 8 21-K, VSX-921-K ONLY)
1. Copy the " V SX_USB.rom" file to the root directory of a USB memory device.
2. Press the iPod USB key on the remote control unit to select iPod/USB function then connect the USB memory device.
3. After accessing the USB memory device, "UPG?
N O" is displayed on the FL display and "UPDATE? N O" is displayed as
an On-Screen display.
4. Press the iPod USB key on the remote control unit.
5. Send either iPod/USB Cursor Left or iPod/USB Cursor Right code.
6. "UPG? YES" is displayed on the FL display and "UPDATE? YES" is displayed as an On-Screen display.
7. After sending the iPod/USB Enter code, updating starts. (“UPDATE” is displayed on the FL display.)
8. When "UPG?
N O" is displayed on the FL display and "UPDATE? N O" is displayed as the On-Screen display, updating is
completed.
9. Disconnect the USB memory device then turn the unit off.
[Procedures]
(3) How to update the DSP Microcomputer
1. Select an Input Function that allows reception via Optical input 1 or 2 then set the unit to STBY_Off mode.
2. Press the SPEAKERS and STA
N DBY/O N keys simultaneously to enter DSP UpDate mode. ("DSP UP" is displayed.)
3. When "PLAY" is displayed, playback of the .wav file starts. (Play the file only once. N E V ER repeat playback.)
("PLAY" is displayed.)
4. After playback is finished and "E N TER" is displayed, press the E N TER key on the front panel. ("E N TER" is displayed.)
5. "WRITI N G" is automatically displayed.
6. After writing is completed, "COMPLETE" is displayed.
7. Turn the unit off then confirm that the version has been updated.
[How to Confirm the Version of the USB Microcomputer]
1. Select the iPod/USB function then turn the unit off.
2. While holding the E
N TER key on the front panel pressed, press the ST N ADBY/O N key.
3. When the receiver is turned on, press the E N TER key on the main unit three times.
(Each time the E N TER key is pressed, the indications on the FL display change as follows:
Main -> Sub -> DSP -> USB -> All segments lit.)
4. The version is displayed on the FL display, as "USB:***."
Notes on updating
• If you perform updating of the same software twice, it may fail.
• If the indication "UPDATE" on the FL display does not change, let it sit for a few minutes.
If the indication on the FL display changes to one other than "UPDATE," the unit becomes operable.
Turn the unit off after it becomes operable.