Pioneer VSX-LX70 Service Manual page 65

5
5.1.4 USB Assy (VSX-LX60)
Description of Error Indications
FL Display
USB ERROR1 Detection of overcurrent to a USB device
USB ERROR2 Detection of a medium not supported
Communication error with the system
USB ERROR3
microcomputer
Operations when overcurrent to a USB
device is detected
(1) Overcurrent to a USB device is detected at the port for
the microcomputer.
(2) The power supply to the USB device is stopped.
(3) Control of 5 V power is disabled at the port for the
microcomputer.
(4) Change of indications on the FL display
Flashes for 2 sec.
U S B E R R 1
Lights up after flashing for 2 sec.
U S B E R R 1
(5) To supply power to the USB module again:
• Turn the power to the unit off then back on.
• Set the function setting to anything other than USB
then back to USB.
• Press the USB play key on the remote control unit.
(6) After overcurrent is detected, if the USB play key is
pressed while the error indication is displayed, power
supply to the USB module is restored. If overcurrent
is no longer detected, the indications shown below are
displayed (normal indication):
U S B
In this state, flashing of "USB ERROR1" stops, but
playback will not start. To start playback, press the USB
play key again.
In the above case, if overcurrent is detected again, the
above procedures 1 through 4 are repeated.
5
6
Error Content
Overcurrent (500 mA or more) is consumed at the connected USB device.
• Some USB devices, such as a portable HDD, need more current than that
• The USB power is short-circuited.
A USB device that this unit does not support (other than the Mass Storage
Class) is connected (such as a mouse, printer, or digital camera).
• Connect a mass storage class USB device.
Communication between TCC8600-00X-EA-UG (IC701) and PEG378A
(IC101) failed.
• Defective connection (connectors) inside this unit
• See STEP 3 of Troubleshooting.
6
7
Possible causes and actions to be taken
this unit supplies. (Use the AC adaptor for the connected USB device.)
In a case where a medium not supported
is connected
(1) Change of indications on the FL displays
Flashes for 2 sec.
U S B
U S B
If overcurrent is detected before detection of a
non-supported medium, the error indication "USB
ERROR1" remains, as the power supply to the USB module
is stopped.
On supported media
The formats of supported media that can be played back on
this unit are MP3, WMA, and AAC.
Some media in MPEG4 can also be played back. As AAC
derives from MPEG4 codec, playback of media in AAC
codec of MPEG4 is possible.
VSX-LX70
7
8
E R R 2
Lights up after flashing for 2 sec.
E R R 2
8
A
B
C
D
E
F
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