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Service
◆
Smart Fluid Panel
20
310653D
5.
Slide the panel (14) until its bottom slots (KK) align
with the top screw holes and secure the box in
place with the 2 screws. F
. 14.
Replacing Control Board
1.
2.
Disconnect fiber optic wires and all cables (J1, J3,
J4, J5, J6, J8, J9, J10) from control board (706).
F
. 14.
3.
Fluid Panels with Color Change: Carefully
remove color change EEPROM (U25) from the
control board with a chip puller. F
. 16. Save it to
install in the new board.
4.
Remove 4 screws (707). Remove control board
(706). F
5.
Install new control board (706) with 4 screws (707).
6.
Connect cables to control board (706). F
Insert fiber optic cable connectors (J4, J6) into
board connectors (E), matching blue with blue,
black with black, and hand-tighten connectors (E).
F
. 16.
7.
Fluid Panels with Color Change: Orient the
EEPROM (U25) so its notch lines up with the notch
marked on the fluid control board and install it in
the board. The EEPROM leads may need to be
bent slightly inward to fit in the socket.
8.
(page 22).
9.
Turn EasyKey™ power on to test operation.
F
IG
. 14
CAUTION
To avoid damaging circuit board when servicing, wear
grounding strap on wrist and ground appropriately.
Panels without color change do not include the
EEPROM.
14
KK
J10 J5 J3
J1
J6 J4
J9
J8
706
TI4886a
F
IG
. 15
F
IG
. 16
707
706
TI4868a
E
U25
Summary of Contents for ProMix II Series
Page 3: ...Manual Conventions 310653D 3 ...
Page 10: ...Shutdown 10 310653D ...