AMX G3 manual Touch panel circuit card, and 32-socket IC connector U4

Figure199

Touch panel circuit card, and 32-socket IC connector (U4)

5.Flip the touch panel facedown onto a soft cloth. Figure 199 shows the connectors on the circuit card.

Erasable programmable read only memory (EPROM) sockets

Memory expansion IC sockets

	JP3JP2	SPKR1	1	5		J1
	U3				U19	P3
			U21			P4
	ODD
	U6
	JP1		U20
	U4
	EVEN	Y3
	U5
						JP6
JP5	U1
	U22			U11
CORP.					U7
1996
AXU-CV
50-0941 REV.A					U9	P5
				8
					U8
				1
					U10
				5	1

6.Carefully pry the firmware ICs out of the socket connectors labeled U5 and U6 with a non-conducting flat-blade tool and insert the two upgrade firmware ICs into sockets U5 and U6.

7.Return the touch panel to the back box or equipment rack and connect the AXlink and RS-232 connector.

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.

Color Active Touch Panels Firmware Upgrades 145