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Color Active-Matrix LCD Touch Panels 1MB Memory Upgrade 149
EVEN
ODD
8
1
1
5
J1
CORP.
1996
50-0941 REV.A
AXU-CV
5
1
JP1
JP2
JP3
JP6
JP5
U3
U6
U4
U5
U21
U20
U22
U1
Y3
U11
U7
U9
U8
U10
P4
P3
U19
P5
SPKR1
Memory expansion
IC sockets
Erasable programmable read
only memory (EPROM) sockets
6. Carefully pry the 256KB IC out of the socket connector labeled U4 with a non-
conducting flat-blade tool and insert the two 512K ICs into sockets U3 and U4.
7. Return the touch panel to the back box or equipment rack and connect the
AXlink and RS-232 four-pin header.
8. Place the touch panel back into the back box or equipment rack and insert the
four mounting screws and tighten.
9. Place the engraved overlay onto the AXU-CV(/PB) or AXM-CV(/PB) bezel.
Figure 201
Touch panel circuit card, and
32-socket IC connector (U4)