Sollatek ST1212 Schematic

8

7

6

5

4

3

2

1

ST1212.SCH - ST1212.SCH

1

VCC

26

V-

27

VINT

28

BUFF

29

CAZ

31

IN HI

ICL7106

COMMON

IN LO
CREF-

CREF+
REF LO

REF HI

OSC3

OSC2
OSC1

U1

4

32

30
33

C3

0.1uF
34

35

0V

36

38

100k

39
40

5

TEST

AB4

POL

2

D1

3

C1

4

B1

5

A1

6

F1

7

G1

8

E1

9

D2

10

C2

11

B2

12

A2

13

F2

14

E2

15

D3

16

B3

17

F3

18

E3

19
22

G3

23

A3

24

C3

25

G2

21

BP

20

37

3

1
Q1

2SK1336

3

D1

19

C1

20

B1

21

A1

22

F1

23

G1

17

E1

14

D2

15

C2

24

B2

25

A2

26

F2

BP

E2
D3
B3
F3
E3
AB4

G3

A3

C3
G2
BP

POL

LCD DIRECT

DP3

8

LD1

5V

DP216DP1

12

2

28

L

38

Z

39

X

2+3>200A

LK3

HDR_3HDR_3

3
2
1

1

13
10
29
31

9

3
32
30
11
27
40

1

2

R4

2

R400

1M

R6

R400

10K

0V

R8
R400
10K

470RR2

5V_NEG

5V_NEG

R5

10K

R7

10K

5V

C6 0.22uF

R3

C5 0.47uF

P2
?

R400

C8

R400

0.1uF

R9
R400

750R

P1

R400

C7

0.1uF

0V

C1 100pF

R1

R400

47k

6

5V_NEG 18

D D

C C

C4

0.1uF

J1

2
4
6
8

10

1
3
7
9
5

B B

5V

0V

TP2

TP1

0V

REV: DATE: ENG:

E 06.10.1997

PROJECT:

A A

COMPANY:
ADD1 :
ADD2 :
ADD3 :

INITIAL DATE: PAGE: OF:

ST121.2 SPCC-P LCD DISPLAY PCB
SOLLATEK (UK) LIMITED

4 TRIDENT INDUSTRIAL ESTATE
BLACKTHORNE ROAD, POYLE, SLOUGH
UNITED KINGDOM SL3 0AX

8

5V

C2

0.1uF

0V

0V

BATT_V

SOLAR_V

BATT_T

SOLAR_I

5V_NEG

5V

5V_NEG
TP3

27.07.1997 1 1

2 (SPARE)

LOAD_I

SIL2X6

0V

LK1

5V

R400
47K

5V_NEG5V

MBA

7

6

5

4

3

1

Page 1 of 1 (15-Apr-2002)