Daewoo KOG-261M, Service Manual

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2. Type of encoding and pad names.
Fig. 8 Key Matrix
The membrane keyboard consists of 25 keys whose configurations are described above and provide
11 pad terminations to be connected to the touch control circuit as Fig. 7.
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.
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) MENU pad : Between A and K
6) 6 pad : Between B and F
7) 1 pad : Between B and G
8) GRILL pad : Between B and I
9) WEIGHT pad : Between B and K
10) 7 pad : Between C and F
11) 2 pad : Between C and
G
12) BEVERAGE
pad : Between C and I
13) MORE pad : Between C and J
14) AUTO DEFROST pad : Between C and K
15) 8 pad : Between D and F
16) 3 pad : Between D and
G
17) DINNER PLATE
pad : Between D and H
18) FROZEN PIZZA pad : Between D and I
19) LESS pad : Between D and J
20) CLOCK/A.START pad : Between D and K
21) 9 pad : Between E and F
22) 4 pad : Between E and G
23) FEEDING BOTTLE pad : Between A and J
24) START pad : Between E and J
25) STOP/CLEAR pad : Between E and K