Stryker Isolibrium 2971 - Page 38

EENN
1-30 2971-109-001 REV B www.stryker.com
Circuit boards
Main power board assembly (Continued)
Cable and test point
(LED) location
Voltage Positive lead Negative lead Description
SLI (D33) +24VDC TP12 TP24 GND +24VDC from the
main board to
solenoid valve (Seat
Left Inflate)
SLD (D32) +24VDC TP19 TP24 GND +24VDC from the
main board to
solenoid valve (Seat
Left Deflate)
SRI (D25) +24VDC
TP8
TP24 GND +24VDC from the
main board to
solenoid valve (Seat
Right Inflate)
SRD (D24) +24VDC
TP15
TP24 GND +24VDC from the
main board to
solenoid valve (Seat
Right Deflate)
IN (D28)
+24VDC
TP10
TP24 GND +24VDC from the
main board to
solenoid valve (Air
Intake)
EX (D29)
+24VDC
TP17
TP24 GND +24VDC from the
main board to
solenoid valve (Air
Exhaust)
J14
+12VDC
Pin 1 red Pin 6 black
+12VDC out to
sensor board from
main board
J6
+24VDC
Pin 1 yellow Pin 2 black
+24VDC out to
compressor from the
main board (variable
voltage) - D65 =
24.4% - D66 = 48.8%
- D67 = 73.2% - D68
= 97.6% - D71 =
110%