Paxar 545 - Manual (Page 83)

Users Manual Model 545™ Appendix B • 81
3
U3
1
C 5 7
J 3
C 3 3
U2
9
C 2 3
S N .
R E V 3 .9
P A X A R 3 7 1 1 0 5
U 1
C 1 8
U 2
C 1 9
U 3 U 4
U 3 U 4
C1
6
U 2 4
C8
6 C 2 2
C 2 0
U 3 9
+ Y 1
C 4 6
W T 2 W T 3
U 2 2
U 2 1
C4
9
U 2 3
C2
6
U 2 3
C4
8
U 2 1
C2
C 2 1
C4
7
C 8 3
U 6
C3
U3
8
R 6 0 R 4 3
C2
4
U 2 2
C 5 3
C5
2
C 7 2
R 2 9
U 1 8
U 3 6
Y 2
C 7
C5
1
+
C2
7
18
C 2 8
C4
C 7 3
U 1 8
U 3 6
S IP 1 C 7 5
C5
0
R 6 1 R 3 3
C2
5
C 4 5
R 1 6
C3
2
U2
8
S IP 3
C 6 7
R 3 8
C 5 4
C 7 6 R 3 7
F 1
J 1
U 4 2
C 9 1
R52
R5
3
Q 5
R56
K 1 R6 R5 K 2
R4
7
R4
8
C87
Q 1
+
C89
+
+
+
R55 C88
C 8 5 Q 6
R5
4 C90
R 5 1
R4
6
R4
5 K 3
R5
0
R4
9
D 6 5
R 1 8
D 6 0
C 8 4
R 2
D 2 2
D 2 3
D20
D 6 2
D 6 3
D 6 4
D 6 6
Q 7
D 5 1
D 6 1
+ C 9 2 Q 8
J 5
D 7
D 1 1
D 9
J13
C 7 9
U34
D67
R 3 0
R 3 1
U33
D 68
R4
4
U 7
D5 7
C 4 1
D59
1
J 1 5
D55
D58
D 53
D54
D56
D 52
8
R 3 5
C 4 2
C 6 6
C 7 0 R 3 4
D 4 3
D 4 5 D 4 6
S IP 4
L 3
+
S IP 5
+ C8
0
R36
D 4 1
R 2 3
R 2 2
U30
C8
1
R 4 2
R 2 8
C 7 4
C 7 8
R 4 1
U35 U37
D 4 4
C 6 4
Q 4
R2
1
R 2 7
C 4 3
C 7 1
C 6 5 R 2 6
D 3 9 C69 D 4 2
1
C8
2
1
D49
R 3 9 R 4 0
D50
J 1 1
L 2
F 3
2 1
J10
D 6 D 5
5
C 9 7
U 2 0 U 1 9
U 2 0
C 3 4
1 A 3 1
U9
C 2 9 U 1 9 C 3 0 U1
5
C 3 1
C 3 5
U4
3
C 9 3
+ +
U 1 1
C 9 8 C 9 4
D1
8
R 1 9 R 1 1
U5
R 2 4 R 2 5
C 1
R 1
D14
D17
D13
D15
D19
U1
4
D 2 5
D 2 6
D 3 0
R 1 3
J P 1
J P 4
D 2 8
D 2 9
D 2 4
10
R 1 2
JP 9
D 1
J P 1 4
J P 1 2
J 6 C3
6
C 1 5
C 9 5
+
+ +
C 9 6
C 4 0
D3
1
R1
5
R 5 8
C 5 9
R 5 7
D3
2
R5
9
C 1 4
A1 J4
U1
6
C1
3
R 3
U1
7
R 4
U1
3 L 1
C 1 0
C 1 1
D 3 8
C8
Q 9
Q 2 C3
7
C 3 9
D 3 7
C 3 8
C 5 8
J P 7
6 J P 2 J P 8 JP3
J P 1 5
J P 1 3
Q 3
D 2
JP 11
J 9
C 1 2
C 9
U1
2
C 6 0 SI
P 2
D 4
D 1 6
D 2 7
D 1 0
D 3
D 8
S 1
S E E D E T A IL "A "
D 4 8 +
C 4 4
R 1 7
R 1 4
C 6 2
R 1 0
R 2 0 R 8
C 6 8 R 9
C 6 1
C 5 6
U32
D 4 0 D 3 5
U25
+
D 3 3
C 5 5
U2
6
R 7
D12
D 2 1
C6
3
D 3 6
U 2 7
D34
1
4
J7
4
5
J14 J12
2 3 1
D 4 7
J 2
F2
Thermal Control Board P/N 371105IJ
(Use chip removal tool P/N. 351156 for square I.C removal)
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
that the unused socket pins are at the bottom closest to the notch.