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Display board schematic – EFJohnson SMARTZONE 7780 User Manual

Page 109

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SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS

8-9

November 1999

Part No. 001-7780-500

K

C

S

M

O

S

M

P

S

E

P

S

D

N

G

D

N

G

E

P

S

P

S

L

5

+

52204-2990

J1

9

2

8

2

7

2

6

2

5

2

4

2

3

2

2

2

1

2

0

2

9

1

8

1

7

1

6

1

5

1

4

1

3

1

2

1

1

1

0

1 9 8 7 6 5 4 3 2 1

D

E

L

K

B

D

E

L

T

A

B

D

E

L

Y

S

B

D

E

L

X

T

3

R

Y

E

K

2

R

Y

E

K

1

R

Y

E

K

0

R

Y

E

K

3

S

Y

E

K

2

S

Y

E

K

1

S

Y

E

K

0

S

Y

E

K

N

E

S

I

D

T

S

S

I

D

C

I

M

E

C

I

M

D

N

G

D

N

G

D

N

G

D

N

G

KEYR3

KEYR2

KEYR1

KEYR0

KEYS3

KEYS2

KEYS1

KEYS0

GND

GND

AXN820735

J2

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

BKLED

SPE
SP
GND
GND
+5L

GND
GND
MICE
MIC

8

S

2

1

S

1

1

S

0

1

S

9

S

7

S

6

S

5

S

4

S

3

S

2

S

1

S

680P

C2

47K

R8

100K

R9

SPE

CP2

SP

CP1

33P

C1

0.047

C3

LNJ310M6URA

DS2

LNJ310M6URA

DS1

150

R2

150

R17

LNJ310M6URA

DS8

LNJ310M6URA

DS7

R

HR3

R

HR2

R

HR1

47K

R7

0.1

C6

0.1

C7

LC75834W

IC1

47

CL

46

CE

45

INH

44

OSC

43

VSS

42

VLCD2

41

VLCD1

40

VLCD

39

VDD

38

COM4

5

3

1

M

O

C

4

3

4

3

S

3

3

3

3

S

2

3

2

3

S

1

3

1

3

S

0

3

0

3

S

9

2

9

2

S

8

2

8

2

S

7

2

7

2

S

6

2

6

2

S

23

S23

22

S22

21

S21

20

S20

19

S19

18

S18

17

S17

16

S16

15

S15

14

S14

1

1

1

1

S

0

1

0

1

S

9

9

S

8

8

S

/

8

P

7

7

S

/

7

P

6

6

S

/

6

P

5

5

S

/

5

P

4

4

S

/

4

P

3

3

S

/

3

P

2

2

S

/

2

P

48

DI

37

COM3

6

3

2

M

O

C

5

2

5

2

S

24

S24

13

S13

2

1

2

1

S

1

1

S

/

1

P

S21
S20

S22

S23

S24

S13

S14

S15

S16

S17

S18

S19

2

S

4

1

S

3

1

S

0

1

S

1

S

6

S

5

S

2

C

1

C

1

3

S

9

S

7

1

S

8

1

S

2

2

S

5

2

S

6

2

S

9

2

S

4

3

S

2

3

S

3

3

S

4

3

S

5

2

S

6

2

S

7

2

S

8

2

S

9

2

S

0

3

S

0.1

C4

3

C

1

C

4

C

4

C

3

C

0

3

S

3

3

S

12K

R18

3.3K

R3

SEC1801C

DS5

SEC1401C

DS4

10K

R1

2SA1576 S

Q1

SEC1601C

DS3

TX LED

1K

R12

2SA1576

Q2

47K

R11

47K

R13

BUSY LED

1K

R14

47K

R15

820

R16

2SA1576

Q3

2SA1576

Q4

BATTERY

LD-BU10394J

DS6

0

4

2

S

9

3

5

S

8

3

6

S

7

3

1

S

6

3

9

S

5

3

0

1

S

4

3

3

1

S

3

3

4

1

S

2

3

7

1

S

1

3

8

1

S

0

3

2

2

S

9

2

5

2

S

8

2

6

2

S

7

2

9

2

S

6

2

4

3

S

5

2

0

3

S

4

2

3

3

S

3

2

1

C

2

2

3

C

1

2

4

C

0

2

2

C

9

1

1

C

8

1

3

C

7

1

2

3

S

6

1

1

3

S

5

1

8

2

S

4

1

7

2

S

3

1

4

2

S

2

1

3

2

S

1

1

1

2

S

0

1

0

2

S

9

9

1

S

8

6

1

S

7

5

1

S

6

2

1

S

5

1

1

S

4

8

S

3

7

S

2

4

S

1

3

S

33P

C5

1

3

S

2

3

S

1

C

2

C

3

C

4

S

7

S

6

1

S

5

1

S

2

1

S

8

S

7

2

S

1

1

S

8

2

S

9

1

S

4

2

S

3

2

S

1

2

S

0

2

S

3

S

DISPLAY BOARD SCHEMATIC