Daewoo KOG-361Q Service Manual page 30

(TROUBLE 2) Digital readout display does not show programming, even if the mem-
brane keyboard is programmed by touching proper pads.
Condition
Display does not
show programming
at all, even if
keyboard is
touched
NOTE:
Before following the particular steps listed above in the trouble shooting guide for the
membrane keyboard, failure, please check for the continuity of each wire-harness
between the membrane keyboard and control box assembly.
MEMBRANE KEYBOARD CHECK PROCEDURE
1. Check the pad termination order and nomenclature.
Check
Check each pad for
continuity of the
membrane keyboard
for the following
keyboard check
procedure
Fig. 4
Cause
Result
Malfunction
Normal
of touch
control
circuitry of
control box
sub-assembly
Malfunction
Abnormal
of the memb-
rane keyboard
Cause
Replace
control
box sub-
assembly
Replace
the mem-
brane
keyboard
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