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Does not the picture display when USB cable plugged into USB port?
Is USB stick video format correct?
YES
Main UNIT:
Is the USB +5V sent to pin (1) of
CN6500?
YES
Is the USB con (CN6500) signal properly
sent to pin (T25) (USB_DM_P1) and pin
pin (T24) (USB_DP_P1) of IC U107?
YES
Refer to "The picture doesn't appear in
all modes."
<External input USB>No picture on the display (7)
NO
NO
NO
Change to correct .jpg or .jpeg or .png or
.bmp format.
Check the U6500 power manager V-in
and V-out and power enable function.
Check the circuit between CN6500 and
IC U107
35
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