35
2. Type of encoding and pad names.
KOR-122M0A/M1A
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.
F
G
H
I
J
K
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
DINNER
PLATE
POWER
POPCORN
FROZEN
PIZZA
BEVERAGE
MUFFIN
SPEEDY
COOK
START
LESS
MORE
STOP/
CLEAR
CLOCK/
A.START
AUTO
DEFROST
WEIGHT
MENU
Fig. 8 Key Matrix
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) MUFFIN
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) POPCORN
pad : Between E and I
24) START
pad : Between E and J
25) STOP/CLEAR
pad : Between E and K
Содержание KOR-122M0A
Страница 45: ...44 Measurement Point MP2 MP1 ...
Страница 49: ...48 2 P C B CIRCUIT DIAGRAM CN1 D O M INSERT ONLY KOR 121QOD POP CORN KOR 122M0A M1A ...
Страница 50: ...49 CN1 D O M INSERT ONLY KOR 121QOD POP CORN BAKED POTATO FRESH VEGETABLE SOUP KOR 122Q0A Q1A ...
Страница 52: ...51 4 PRINTED CIRCUIT BOARD ...