Frick QUANTUM LX Control Panel - Page 26

QUANTUM
™
LX EVAPORATOR CONTROL PANEL
MAINTENANCE
090.610-M (MAY 2016)
Page 26
Q4 BOARD
3.3 Volt
Battery
PL8
LK1
PL
9
PL1
LK2
Flash Card Socket
(located under
board)
PL3
PL13
PL7
PL
17
PL
12
PL
19
PL
18
PL14
PL10 PL6
PL2
PL
4
P
W
R
SU
SP
FL
AS
H
LK11
LK12
PL
24
PL
3
PL4
LK9
LK8
LK10
PL16
PL5
PL
11
LK3
A
B
LK4
PL
15
TB1
TB2
LK2
COM-2
TB3
RS-232
3
2
1
D3
LK16
A
B
A B
COM-2
LK
6
B
A
LK
5
LK
7
PL2
COM1
3
4
5 6
7
0
1
2
D9
D1
0
D11
D1
2
POR
T
80H
D4 D5 D7
D13
SW1
ON
8 7 6
COM-1
1
2
3
4
1
2
4
RS-
422
LK
4
LK
3
LK
6
LK
5
D1
D8
LK17
RS-
422
LK
8
LK
7
LK
10
LK
9
D6
D2
LK11
B A
PL1
COM1
(RX)
KB
3
LK1
CAT-5 Ethernet
Connector
This assembly is
shipped from
Baltimore Parts with LK4
set to B position for an
LG Philips Display.
If using a Samsung,
NEC or Sharp
Display, set LK4
to position A.
LX panels use
the Sharp display.
A
Display
Cable
Keypad
Cable
COM-2
(TB2)
RS-422/485
connector
Power
+5VDC
+12VDC
RET / GND
RET / GND
+RX/+TX (I/O Boards)
-RX/-TX
(
I/O Boards
)
(TX)
COM2
(TX)
COM2
(RX)
COM-2
(TB2)
RS-422/485
connector
COM-1
(TB1)
RS-422/485
connector
COM-3
(PL6)
RS-232
connector
USB Connector
(Depending on board version,
USB could be located in either
of these two locations.
COM-2
(TB3)
RS-232
connector
Processor Board
(large botom board)
Communications Board
(small top board)
Controller Board Pictorial
NOTE: There are duplicate numbers for the links on the processor (larger) board and the communications (smaller)
board. If you must make a change to a jumper (link), ensure that you modify the correct link.