40
2. Type of encoding and pad names.
Fig. 15 Key Matrix
The membrane keyboard consists of 24 keys whose configurations a re described above and provides 10 pad terminations
to be connected to the touch control circuit as in Fig. 15.
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) PROGRAM COOK pad : Between 1 and 6
2) AUTO DEFROST pad : Between 2 and 6
3) WEIGHT DEFROST pad : Between 3 and 6
4) ˚C pad : Between 4 and 6
5) POWER pad : Between 5 and 6
6) COMBI pad : Between 1 and 7
7) GRILL pad : Between 2 and 7
8) CONVECTION pad : Between 8 and 7
9) MICROWAVE pad : Between 4 and 7
*10) ROTISSERIE pad : Between 5 and 7
11) PAUSE/CLEAR pad : Between 1 and 8
12) START pad : Between 2 and 8
13) SPEED COOK pad : Between 3 and 8
14) CLOCK pad : Between 4 and 8
15) AUTO START pad : Between 5 and 8
16) AUTO REHEAT pad : Between 1 and 9
17) LESS pad : Between 4 and 9
18) MORE pad : Between 5 and 9
* : Rotisserie type only!
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