Daewoo KOR-122M0A Service Manual page 36

2. Type of encoding and pad names.
KOR-122M0A/M1A
F
G
H
POPCORN
I
START
J
STOP/
CLEAR
K
The membrane keyboard consists of 25 keys whose configurations are described in Fig. 8 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
2) 0
3) POWER
4) SPEEDY COOK
5) MENU
6) 6
7) 1
8) MUFFIN
9) WEIGHT
10) 7
11) 2
12) BEVERAGE
13) MORE
E D
9 8
4 3
DINNER
PLATE
FROZEN BEVERAGE
PIZZA
LESS MORE
CLOCK/ AUTO
A.START DEFROST
Fig. 8 Key Matrix
pad : Between A and F
pad : Between A and G
pad : Between A and H
pad : Between A and I
pad : Between A and K
pad : Between B and F
pad : Between B and G
pad : Between B and I
pad : Between B and K
pad : Between C and F
pad : Between C and G
pad : Between C and I
pad : Between C and J
C B
7 6
2 1
POWER
MUFFIN SPEEDY
COOK
WEIGHT MENU
14) AUTO DEFROST
15) 8
16) 3
17) DINNER PLATE
18) FROZEN PIZZA
19) LESS
20) CLOCK/A.START
21) 9
22) 4
23) POPCORN
24) START
25) STOP/CLEAR
35
A
5
0
pad : Between C and K
pad : Between D and F
pad : Between D and G
pad : Between D and H
pad : Between D and I
pad : Between D and J
pad : Between D and K
pad : Between E and F
pad : Between E and G
pad : Between E and I
pad : Between E and J
pad : Between E and K