Daewoo KOR-3000 Service Manual download pdf (Page 39)

36-1

2. Type of encoding and pad names.

Fig. 5 Key Matrix

The membrane keyboard consists of 26 keys whose configurations are described above and provide 11 pad ter-

minations to be connected to the touch control circuit as Fig. 4.

3. Key check procedure.

To determine if the membrane keyboard is defective or not, check the continuity of each pad (KEY) contacts with a

multimeter.

E D C B A

9 8 7 6 5

4 3 2 1 0

STOP/

CLEAR

CLOCK/

A.START

AUTO

DEFROST

DINNER

PLATE

FROZEN

PIZZA

SPEEDY

COOK

FEEDING

BOTTLE

BEVERAGE

START

POPCORN

LESS

WEIGHT MENU

MUFFIN

POWER

1) 5 pad : Between A and F

2) 0 pad : Between A and G

3) POWER pad : Between A and H

4) SPEEDY COOK pad : Between A and I

5) FEEDING BOTTLE pad : Between A and J

6) MENU pad : Between A and K

7) 6 pad : Between B and F

8) 1 pad : Between B and G

9) MUFFIN pad : Between B and I

10) WEIGHT pad : Between B and K

11) 7 pad : Between C and F

12) 2 pad : Between C and G

13) BEVERAGE pad : Between C and I

14) MORE pad : Between C and J

15) AUTO DEFROST pad : Between C and K

16) 8 pad : Between D and F

17) 3 pad : Between D and G

18) DINNER PLATE pad : Between D and H

19) FROZEN PIZZA pad : Between D and I

20) LESS pad : Between D and J

21) CLOCK/A.START pad : Between D and K

22) 9 pad : Between E and F

23) 4 pad : Between E and G

24) POPCORN pad : Between E and I

25) START pad : Between E and J

26) STOP/CLEAR pad : Between B and K

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Daewoo KOR-3000 Service Manual Page 39

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