Sharp PN-L803C Service Manual page 16

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Rear view
9 Vents
10 Optional attachment section
11 Main power switch
12 AC input terminal
13 External speaker terminals
14 Audio output terminal
15 DisplayPort output terminal
16 Touch pen adapter port
17 USB 1 port
18 LAN terminal
19 Optional terminal
20 D-sub 1 input terminal
21 DisplayPort input terminal
22 HDMI 1 input terminal
23 Audio 1 input terminal
24 RS-232C input terminal
PN-L803C/80TC3 OUTLINE OF THE PRODUCTS
25 Terminal for firmware updating
26 USB 2 port (for touch panel)
27 D-sub 2 input terminal
28 HDMI 2 input terminal
29 HDMI 3 input terminal
30 Audio 2 input terminal
31 USB ports
1 - 11