System Board Locations (for Model 150)
U82
J15
J44
J18J27J30
J1
J41J26
J40
J42
J43
J46J12
J14
J20
J53
J50
J29
J31
J35
J39
B1
J25
J2
J9
J10
J36
J4
J5
J6
J7
J8
J16
J23
J24
J33
J32
J59 J56 J49 J45 J38 J22 J17 J13 J3
J139 J28J19 J11
1-10 7043 43P Series Service Guide