Sears 721.63654300 Specifications download pdf (Page 29)

Warm

Dinner

Plate

START

Kitchen

Timer

Auto

Defrost

Option

N.C

Power

Time

Cook

Cook

STOP

Clear

VENT

On/Off

Frozen

Vegetable

Vegetable

Fresh

Auto

Reheat

Auto

VENT

5 Speed

Frozen

Entree

Potato

High/Night/Off

LIGHT

Favorite

Recipe

Hold

1

2

3

4

Less

Clock

More

8

9

0

Canned

Vegetable

Pizza

Add

Minute

Defrost

Express

Sauce

Soup or

Popcorn

Turntable

N.C N.C

On/Off

5

6

7

13

13

12

12

11

11

10

10

9

8

2

1

3

7

4

5

6

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

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: 5.6 Kohms

RD-WH: 2.8 Kohms

BK-WH: 2.8 Kohms

Abnormal:

Infinite or several

*Sensor cooking condition

1. Oven should be plugged in at least 5

minutes before sensor cooking.

2. Room temperature should not exceed

95˚F.

3. Be sure the exterior of the cooking

container and the interior of the oven

are dry.

4. The oven will not generate microwave

energy for the first 28 seconds of the

sensor cooking cycle.

Figure 28

Figure 27

1. Disconnect sensor connector from micom

computer board.

2. Measure resistance terminal to terminal

(Select the ohm scale on the meter)

NOTE: MAKE SURE THE LEAD WIRES ARE

IN THE CORRECT POSITION.

WHEN REMOVING THE LEAD

WIRES FROM THE PARTS, BE

SURE TO GRASP THE

CONNECTOR, NOT THE WIRES.

Figure 29

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