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COMPONENTS
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.
(For detail matrix circuit of each model,
TOUCH KEY
BOARD
10
12
13
SENSOR
(For sensor model only)
TEST PROCEDURES
MATRIX CIRCUIT FOR
TOUCH KEY BOARD
CONNECTOR(KEY CON)
refer to page 5-2.)
2
1
3
5
4
FAN
TIME
HELP
COOK
POPCORN
HI/LO/OFF
COOK
8
LIGHT
CUSTOM
AUTO
REHEAT
POTATO
HI/LO/OFF
SET
DEFROST
9
KITCHEN
LESS
CLOCK
Ez-On
BEVERAGE
TIMER
CUSTOM
LIGHT
POWER
PIZZA
N.C
COOK
TIMER
LEVEL
11
T/TABLE
STOP
HOLD
START
N.C
ON/OFF
CLEAR
WARM
MORE
N.C
N.C
N.C
N.C
Figure 29
1
2
3
Figure 31
7-17
Resistance
value
FPC CONNECTOR
6
7
5
0
6
1
7
2
8
3
Figure 30
9
4
N.C
N.C
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.
BK
RD
WH
RESULTS
When
When not
touched
touched
Less than
More than
400 ohms
1 mega ohm
Top
1
2
3
4
5
6
7
8
9
10
11
12
13
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