33
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
<External input USB>No picture on the display (6) 
Does not the picture display when USB cable plugged into USB port? 
Main UNIT: 
Is USB stick video format correct? 
Is the USB +5V sent to pin (1) of 
YES
Change to correct .jpg or .jpeg or .png or 
.bmp format. 
NO
NO
Check the fuse F1101 and the external 
input device. 
Is the USB con (CN1104) signal properly 
sent to pin (233) (USB_DM0) and pin 
(234) (USB_DP0) of IC U2102? 
YES
Refer to “The picture doesn't appear in 
NO
Check the line between CN1104 and IC 
YES