Pioneer VSX-816-S Service Manual - Page 133

Description of Error Indications, Operations when overcurrent to a USB, device is detected - support

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5 6 7 8 7.3.4.2 Error Display Description of Error Indications FL Display Error Content Possible causes and actions to be taken A USB ERROR1 USB ERR1 Detection of overcurrent to a USB device 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 this unit supplies. (Use the AC adaptor for the connected USB device.) • The USB power is short-circuited. USB ERROR2 USB ERR2 Detection of a medium not supported A USB device that this unit does not support (other than the MSC Class) is connected (such as a mouse, printer, or digital camera). • Connect a mass storage class USB device. Communication between TCC760HC01-AG (IC701) and PDC**** (IC****) USB ERROR3 Communication error with the system failed. USB ERR3 microcomputer • Defective connection (connectors) inside this unit • See STEP 3 of Troubleshooting. B 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. V3 Low usage U S B E R R 1 In a case of an 8-digit FL display Lights up after flashing for 2 sec. USB ERR1 In a case of an 8-digit FL display (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): USB In a case of an 8-digit FL display 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. In a case where a medium not supported is connected (1) Change of indications on the FL displays Flashes for 2 sec. USB ERR2 In a case of an 8-digit FL display Lights up after flashing for 2 sec. C USB ERR2 In a case of an 8-digit FL display If overcurrent is detected before detection of a nonsupported 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 D derives from MPEG4 codec, playback of media in AAC codec of MPEG4 is possible. E F VSX-816-K 133 5 6 7 8

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VSX-816-K
133
5
6
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8
5
6
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C
D
F
A
B
E
7.3.4.2 Error Display
(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
(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):
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.
U
S
B
E
R
R
1
Flashes for 2 sec.
Lights up after flashing for 2 sec.
Lights up after flashing for 2 sec.
In a case of an 8-digit
FL display
In a case of an 8-digit
FL display
In a case of an 8-digit
FL display
In a case of an 8-digit
FL display
In a case of an 8-digit
FL display
U
S
B
E
R
R
1
U
S
B
Description of Error Indications
Operations when overcurrent to a USB
device is detected
(1) Change of indications on the FL displays
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.
U
S
B
E
R
R
2
Flashes for 2 sec.
U
S
B
E
R
R
2
In a case where a medium not supported
is connected
FL Display
Error Content
Possible causes and actions to be taken
USB ERROR1
USB ERR1
Detection of overcurrent to a USB device
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
this unit supplies. (Use the AC adaptor for the connected USB device.)
• The USB power is short-circuited.
USB ERROR2
USB ERR2
Detection of a medium not supported
A USB device that this unit does not support (other than the MSC Class) is
connected (such as a mouse, printer, or digital camera).
• Connect a mass storage class USB device.
USB ERROR3
USB ERR3
Communication error with the system
microcomputer
Communication between TCC760HC01-AG (IC701) and PDC**** (IC****)
failed.
• Defective connection (connectors) inside this unit
• See STEP 3 of Troubleshooting.
V3 Low usage