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REHEAT
REHEAT
N.C
N.C
N.C
N.C
CUSTOM
CUSTOM
POWER
POWER
PIZZA
PIZZA
CLEAR
CLEAR
STOP
STOP
TIMER
TIMER
MORE
MORE
TURNTABLE
TURNTABLE
ON/OFF
ON/OFF
COOK
COOK
POPCORN
POPCORN
POTATO
POTATO
VEGETABLE
N.C
N.C
START
START
WARM
WARM
HOLD
HOLD
LEVEL
LEVEL
CLOCK
CLOCK
SET
SET
CUSTOM
CUSTOM
LIGHT
LIGHT
HI/LO/OFF
HI/LO/OFF
LESS
LESS
LIGHT
LIGHT
HI/LO/OFF
HI/LO/OFF
VENT
VENT
N.C
N.C
Ez-On
Ez-On
TIMER
TIMER
KITCHEN
KITCHEN
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
DEFROST
DEFROST
AUTO
AUTO
TIME
TIME
COOK
COOK
3
8
COOK
COOK
9
4
2
7
6
1
5
0
N.C
N.C
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
13
13
11
11
12
12
9
10
10
8
1
2
3
4
5
6
7
1
2
3
BK
RD
WH
Measure the resistance between terminal
pins of connector KEY CONNECTOR.
NOTE:
When reconnecting the FPC connector,
make sure that the holes on the FPC
connector are properly engaged with hooks
on the plastic fastener.
MATRIX CIRCUIT FOR
TOUCH KEY BOARD
CONNECTOR(KEY CON)
7-17
COMPONENTS TEST PROCEDURES RESULTS
TOUCH KEY
BOARD
SENSOR
(For sensor model only)
Resistance
value
When When not
touched touched
Less than More than
400 ohms 1 mega ohm
1
2
3
4
5
6
7
8
9
10
11
12
13
FPC CONNECTOR
Top
Normal: Approximately
BK~RD: 4.5~6.2 Kohm
RD~WH: 2.0~3.5 Kohm
BK~WH: 2.0~3.5 Kohm
Abnormal: Infinite or several.
Figure 28
Figure 27
Figure 29