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 (SR5008)
YES
YES
Is a voltage (5V) supplied between the pins 1 and 4 of JK4402 on the
USB board (USB connector)?
The circuitry from U2602 on the HDMI board to JK4402 on the USB
board is defective.
Is the wire properly connected between N2801 on the HDMI board
and CN4403 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
U2602 and surrounding circuitry are
defective.
Checking the set (SR5008):(If no picture is output)
Check the HDMI/DVI circuit.
Are digital video signals(BCLK, VD0 - VD7) output from U2602 to
U1601?
NO
Checking the set (SR5008):(If no sound is output)
YES
YES
YES
Are audio signals output to IC4200 pin 62 and 63?
Check the Analog audio circuit.
Are I2S signals output to U2401 pin 12, 13, 14, 15?
U2602 and surrounding circuitry are
defective.
U2401 and surrounding circuitry are
defective.
NO
NO
5.3. No picture or no sound is output
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