R-8740 (serv.man9). Control panel assembly - Sharp Home Appliance Service Manual (repair manual). Page 2

R-8740M  - 22

The key unit is composed of a matrix circuit in which when a key it touched, one of signals P12-P17 generated
by the LSI, is passed through the key and returned to the LSI as one of signals P20-P23.
This model has 10 Memory pads.
When the oven is shipped, Memory pad 1 to 10 are set as follows: Table 1.

Table 1. Preset memory contents

Memory No.

MENU

WEIGHT

STAGE

MODE

PAUSE

COOKING TIME

REDUCE

FACTOR

1

PIZZA-THIN

350G

1)

70% MW / TG

-

2'30

0.8

2)

TG / BG

5'00

TTL

7'30

2

PIZZA-THIN

450G

1)

70% MW / TG

-

2'40

0.9

2)

TG

1'00

3)

TG / BG

4'30

TTL

8'10

3

PIZZA BAGUETTE

250G

1)

100% MW / TG

-

2'00

0.85

2)

TG

3'00

3)

TG / BG

2'30

TTL

7'30

4

CIABATTA PIZZA

185G

1)

70% MW / TG

-

2'00

0.8

2)

TG / BG

3'30

3)

TG

1'30

TTL

7'00

5

GARLIC BREAD

170G

1)

70% MW / TG

-

1'30

0.9

2)

TG / BG

2'30

3)

30% MW / BG

1'00

TTL

5'00

6

CHEESE BURGER

145G

1)

50% MW / BG

-

3'00

0.9

2)

TG

2'00

TTL

5'00

7

SAUSAGE

250G

1)

TG / BG

YES

5'00

0.9

2)

TG / BG

-

5'00

TTL

10'00

8

SOUP / CASSEROLE

200G

1)

100% MW

-

1'30

0.9

9

DINNER PLATES

480G

1)

100% MW

YES

5'00

0.9

2)

100% MW

5'00

TTL

10'00

0

PIQUANT

300G

1)

10% MW

-

3'00

0.8

PASTRY

2)

10% MW / 200˚C

12'00

TTL

15'00

TG : Top heater.  BG : Bottom heater.  MW : Microwave

When the memory IC (I-2) is exchanged, it is not necessary to set the preset memory contents for SEEG
model. Because the initial memory IC (I-2) has been set them.

1) To set the preset memory contents for SEEG model.

* You can input for 1 min. from plug in.

PAD

DISPLAY

INDICATOR and LED

PHONE

( PLUG IN )

. 0

LOCK

TIME REDUCE
CONV
MICRO
( within 2 sec. )

(within 1 min. )

BOTTOM GRILL

C o n t

BTM

MEMORY

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