NEW BRUNSWICK SCIENTIFIC innOva 4200 Manual To Operation page 47

Figure 18: Temperature Control Board Replacement
KEYPAD RIBBON
CONNECTOR
FRONT
PANEL
SPACER, #6-32
THREADED
(P0160-2273)
(3 EA.)
TEMPERATURE
CONTROL
P.C. BOARD
(M1192-7000)
5. As you look down at the inside of the panel, the
BOARD
BOARD
Disconnect the harness wires from connectors
NOTE:
As you disconnect the wires, take note of how the wires are positioned.
6. Use a Phillips (+) head screwdriver to unscrew the three screws. Remove the
screws and then remove the nylon washers.
7. Use caution as you disconnect the
the
board. Do not lift from one end.
Innova 4200 • M1233-0053
KEYPAD
GROUND
A
J4
B
J104
#6 NYLON WASHER
(P0100-9090)
(3 EA.)
in on the right side of the panel. The
, lies on top of the
MAIN CONTROL BOARD
GROUND
WIRE
J3 JACK
J1
J2
C
J101
J103
J102
TEMPERATURE CONTROL
MAIN CONTROL BOARD
J101
TEMPERATURE CONTROL BOARD
. Apply force perpendicular to the plane of the
MAIN CONTROL
P.C. BOARD
(M1190 -7000)
HEAT SINK
#8-32 X ¼" LG
PAN HD PHILLIPS
SCREW (2 EA.)
P1 PLUG
(FAR SIDE)
#6-32 X ¼" LG
PAN HD PHILLIPS
SCREW (3 EA.)
TEMPERATURE CONTROL
(see Figure 18 above).
, , and
J102 J103 J104
User's Guide
47
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from