Paxar 545 user manual Thermal Control Board P/N 371105IJ, E D E T a IL a

+

U 4 2

+ +

C89

		J5			J1
	C 92	Q 8	D 7
			D 9		L 3
			D 1 1		F 1
C90		R56	D20	D 5 1
	R54		D 2 2
				D 6 1	D53

S IP 4

D52	D68
	8

D67

	J13	R 4 0	R 3 9
			1
S IP 5	C 7 9			D49
	+			D50
				R36
			C 64
	D 4 3		D 4 4	Q 4

J11

L 2

1

F 3

C82
C80	+
C81	C69
D 4 1	D 3 9

J10 J7 J14 J12

	4	3	2	1
1	5			D 4 7
1 2 3 + 4				D 4 8

+C 5 5

D 4 2

S E E D E T A IL "A "

C 9 1

K 1

C86

U 1

C 1 8

P A X A R 3 7 11 R E V 3 .9

S N .

+ +

C87

Q 1

R5 R6

05

	R55		R53 R52		D 2 3
C88					R 2			D 6 2
								D 6 3		D55
					C 8 4
		Q 6	Q 5				Q 7	D 6 4
	C 8 5
								D 6 6		D58
								R 5 1
								D 6 5		D57
								D 6 0
								R 1 8
K 2	R48	R47			R46 R45	K 3	R50 R49
									U 7
				W T 2			W T 3	C 2 3
							C 4 6
	C 22									R 6 0
			C16						U38
									C3
									C2
					U 39
				+				Y 1
									C 83
	U 24						C 2 0		C 21
										C47
						U 3		U 4	C26
U 2
	C 1 9

D54		D 4 5
D56
R44		U33
D59	1	R 3 0
	J1 5
C 4 1		R 3 1

C 7 2

R 43 R 29

U 6

U 2 3

	D 4 6
		U35	U37
	C 6 6		C 7 8
	C 7 0 R 3 4	C 7 4
	R 3 5		R 4 2
	C 4 2
	R 2 8
	U34
	R 3 3	R 6 1
C52
	U 2 2			C25
C24
C 53				C50
C49	U 2 2		S IP 1	C 7 5
	U 2 1			C27
C48

U 3	U 4	U 2 1	C51
	U 23

U30
R 2 2
R 4 1
R 2 3
U29	R21
C 45	C 6 7
	R 3 8
	S IP 3	U28

U 3 6

C32

U 36

C 73

C4

Y 2

+

C 7

18

									D34
	D 4 0		D 3 5		D 3 3	D 3 6
		U32	U25					U 2 7
C 7 1						C 6 1
C 6 5 R 2 6		C 6 8	R 9		C 5 6 R 1 4				C63
R 2 7			R 1 0			R 1 7
C 4 3	R 2 0		R 8 C 6 2			C 4 4		R 7
									D 2 1
	U31						U26		D12
									D 5
	R 2 5	R 2 4					R 1 3	R 1 2
C 76	R 3 7		R 1	D15						D 1
								D 2 6
	C 1									J P 1 2
						D19		D 3 0	JP9
										J P 1 4
			U5	D14				D 2 5		J P 1
						D13		D 2 4
C 5 4				D17				D 2 8
	C 5 7							D 2 9		J P 4
						D18
R 16	R 11	R 19
U 1 8			U 1 9			U 2 0		U14
U 18	C 29		U 19		C 30	U 20	C 3 1	U15
						U 1 1
				U9				U43
C 28	C 3 3					C 3 4 +	+	C 35	C 98
	J 3			1		C 93		C 9 4
						A 31

J2

F2

D 6

Q 3

D 1 0

J P 1 3

D 2

D 8

J P 1 5

JP11

D 3

J P 7

D 4

S 1

10 5 6

JP3

D 1 6

J P 2

J P 8

D 2 7

D 3 8

J9

C37

Q 2

C 3 8

C 1 0

C 9

C8

C 5 8

U12

C 60

SIP2

Q 9

D 3 7

C 12

C36

C 39

C 1 1

D32

R15

J6

U13

L 1

R59

R 3

C 59

R 4

R 5 7

R 5 8

U17

C 9 7

C 9 6

C 95

+

+

U16

C13

+

D31

C 40

C 1 5

C 1 4

A1

J4

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.

Users Manual Model 545™ Appendix B • 81