Paxar 545 User Manual page 83

J 5 J 1
Q 8
+
C 9 2 D 7
D 9
F 1
D 1 1
U 4 2
+ +
D 5 1
D 2 2
D 6 1
D 2 3
+ +
D 6 2
R 2
D 6 3
C 9 1 C 8 4
Q 6 Q 5 Q 7 D 6 4
Q 1
C 8 5
D 6 6
R 5 1
D 6 5
D 6 0
R 1 8
K 1 K 2 K 3
U 7
W T 2 W T 3
C 4 6 C 2 3
C 2 2
U 3 9
Y 1
+
C 8 3
U 2 4
C 2 0 C 2 1
U 3 U 4
U 1 U 2
C 1 8
C 1 9
P A X A R 3 7 1 1 0 5
U 3 U 4
R E V 3 .9
S N .
THERMAL CONTROL BOARD, Upgradeable software I.C.'s include U3, U4, U18 - U20, U36.
PLCC CHIPS align angled corner of chip with angled corner of socket that is counter clockwise to the arrow.
DIP CHIPS align notch on chip with the notch on the socket (U3 & U4 chips are four pins smaller than U3 & U4 sockets, position chips towards top of socket so
Users Manual Model 545™
R 4 0 R 3 9
1
S IP 5 C 7 9
L 3
S IP 4
+
C 6 4
D 4 3 D 4 4 Q 4
D 4 5 D 4 6
C 6 6 C 7 8
R 3 0 R 3 4
J 1 5 C 7 0 C 7 4
C 4 1 R 4 2
R 3 1 R 3 5
C 4 2
R 2 8
R 3 3 R 6 1
C 7 2
R 6 0 R 4 3 R 2 9
U 2 2
C 5 3
U 6
C 7 5
U 2 2 S IP 1
U 2 3 U 2 1
U 2 3 U 2 1
Thermal Control Board P/N 371105IJ
(Use chip removal tool P/N. 351156 for square I.C removal)
that the unused socket pins are at the bottom closest to the notch.
J 1 1
L 2
1
4 3 2
F 3
1 5
1 2 3 4
+ +
+
C 5 5
D 4 1 D 3 9 D 4 2
D 3 5
D 4 0 D 3 3 D 3 6
C 7 1 C 6 1
R 2 2 R 2 6 R 9 R 1 4
C 6 5 C 6 8 C 5 6
R 4 1
R 2 3 R 2 7 R 1 0 R 1 7
C 4 4
C 4 3 C 6 2
R 2 0 R 8
R 2 5 R 2 4
C 7 6 R 3 7 R 1 3
R 1
C 4 5
C 6 7
C 1
R 3 8
S IP 3
C 5 4
C 5 7
R 1 6 R 1 1 R 1 9
U 3 6
U 1 8 U 1 9 U 2 0
U 3 6
C 7 3
Y 2
U 1 8 C 2 9 U 1 9 C 3 0 U 2 0
U 1 1
+
C 7
+
C 3 3 C 3 4
C 2 8
C 9 3
J 3
1 A 3 1
Appendix B • 81
1
D 4 7
D 4 8
S E E D E T A IL "A "
U 2 7
J 2
R 7
D 2 1
D 5
D 6
R 1 2 Q 3
D 1 0
D 1
D 2 6 D 8
D 2
J P 1 2 J P 1 3
D 3 0 J P 1 4 J P 1 5 D 3
J P 7
J P 1
D 2 5 D 4
D 2 4
D 2 8 D 1 6
D 2 9 J P 4 J P 2 J P 8
D 2 7
D 3 8
Q 2 C 3 8 C 1 0 C 9
C 6 0
C 5 8
Q 9
D 3 7
C 1 2
C 3 9 C 1 1
L 1
R 3
R 4
C 5 9
R 5 8
R 5 7
C 3 1 C 9 5
C 9 7 C 9 6
+ C 4 0 C 1 5 C 1 4
C 3 5 +
C 9 8
C 9 4
J 4
S 1
J 9
J 6