Daewoo KOR-3000 Service Manual download pdf (Page 38)

(TROUBLE 2) Digital readout display does not show programming, even if the membrane key-

board is programmed by touching proper pads.

MEMBRANE KEYBOARD CHECK PROCEDURE : M-TYPE

1. Check the pad termination order and nomenclature.

Fig. 4

Check Result Cause Remedy

Replace

control

box sub-assembly

Check each pad for

continuity of the

membrane keyboard

for the following

keyboard check

procedure

Condition

Display does not

show programming

at all, even if

keyboard is

touched

Normal

Malfunction

of touch control

circuitry of

control box

sub-assembly

Replace the mem-

brane

keyboard

Abnormal

Malfunction

of the memb-

rane keyboard

NOTE: Before following the particular steps listed above in the trouble shooting guide for the membrane key-

board, failure, please check for the continuity of each wire-harness between the membrane keyboard

and control box assembly.

PAD Termination PCB connector

WEIGHT TIME START

DEFROSTSTAGE AUTO

LOCK NO CUP g

Auto Cook

1. Raked Potato

2, Fresh Vegetable

3. Soup

4. Fish Fillets

5. Meat Loaf

Weight

Auto Def.

Beverage

popcorn

Muffin

Frozen

Pizza

Dinner

Plate

PowerClock / A.Start

Speedy Cook

Feeding

Bottle

1 2 3

4 5 6

7 8 9

Stop/Clear Start

1 2

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 61 62

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Daewoo KOR-3000 Service Manual Page 38

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