Whirlpool 1997 "E" Service Manual page 62

COMPONENT
Touch Keyboard (see below).
FPC CONNECTOR
(TOP)
8
FROZEN
ENTREE
9
TURNTABLE
10
11
12
13
TEST PROCEDURE
Measure the resistance between
the terminal pins of the keypad
(shown below) that you wish to
check.
For example: To measure the
1
"CLOCK" keypad, refer to the il-
2
lustration, and:
3
4
1.Find the first terminal number
5
along the top bar (pin 5).
6
7
2.Find the second terminal num-
ber in the side bar (pin 8).
8
9
3.Set the ohmmeter to the R x 1
10
scale.
11
12
a) Touch the ohmmeter leads
13
between pins 5 and 8 on the
ends of the FPC connector.
b) Press the CLOCK keypad.
KEYBOARD MATRIX
1 3
2
BEVERAGE
DEFROST
POPCORN
FAN
BAKED
POTATO
REHEAT
LIGHT
VEGETABLE
4 5
CLOCK
6
TIMER
7
SET
WARM
TIMER
8
HOLD
OFF
ADD
9
MINUTE
OFF
COOK
CANCEL
TIME
COOK
START
COOK
POWER
ENTER
3-22
RESULT
Normal Reading:
100 Ω resistance.
6 7
0
1
2
3
4
5