97
Checking the USB device
YES
Is the USB device compatible with the set?
Are you using a USB hub?
Only mass storage devices in FAT16 or
FAT32 format or MTPcompatible devices
and iPod (Remove some models) are
supported.
Don't use the USB hub.
NO
YES
NO
Checking the set (AVR-1913/2113)
YES
YES
Is a voltage (5V) supplied between the pins 1 and 4 of CP4406 on the
USB board (USB connector)?
The circuitry from U2602 on the HDMI board to CP4406 on the USB
board is defective.
Is the wire properly connected between N2801 on the HDMI board
and CN4402 on the USB board.
The U2806 and surrounding circuitry on the
HDMI board are defective.
Connect the wire properly.
NO
NO
5.2. USB device is not recognized
The circuit between U2602 and U2803 is
defective.
Checking the set (AVR-1913/2113):(If no picture is output)
Check the analog video circuit.
Are video signals output from U2803 pin 27 (Y) and pin 24 (C)?
NO
Checking the set (AVR-1913/2113):(If no sound is output)
YES
YES
Check the Digital audio circuit.
Are S/PDIF signals output to U2203 pin 5?
U2602 and surrounding circuitry is
defective.
NO
5.3. No picture or no sound is output
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