3-22
TEST PROCEDURE
RESULT
COMPONENT
Touch Keyboard (see below).
Measure the resistance between
the terminal pins of the keypad
(shown below) that you wish to
check.
For example: To measure the
“CLOCK” keypad, refer to the il-
lustration, and:
1.Find the first terminal number
along the top bar (pin 5).
2.Find the second terminal num-
ber in the side bar (pin 8).
3.Set the ohmmeter to the
R x 1
scale.
a) Touch the ohmmeter leads
between pins 5 and 8 on the
ends of the FPC connector.
b) Press the CLOCK keypad.
1
2
3
4
5
6
7
8
9
10
11
12
13
FPC CONNECTOR
(TOP)
BEVERAGE
DEFROST
CLOCK
6
0
7
1
8
2
9
3
4
5
FAN
FROZEN
ENTREE
POPCORN
TIMER
SET
TURNTABLE
WARM
HOLD
BAKED
POTATO
REHEAT
TIMER
OFF
ADD
MINUTE
LIGHT
COOK
POWER
COOK
TIME
COOK
VEGETABLE
OFF
CANCEL
START
ENTER
1
2
3
4
5
6
7
8
9
10
11
12
13
KEYBOARD MATRIX
Normal Reading:
100
Ω
resistance.
Содержание 1997 "E"
Страница 40: ...2 30 NOTES ...