Daewoo KOG-361Q, Service Manual, Page: 46 / 58

3) Display problems
The display trouble shooting data
4) When there is no microwave oscillation.
(1) When touching “START” pad, oven lamp does not turn on.
Fan motor and turntable motor do not rotate, but cook indicator in display comes on.
* Cause: RELAY “2” does not operate.
45
NO. CAUSE MEASUREMENT RESULT REMEDY
1 Poor contact between Check the voltage Fix the PIN 1 & 25
P.C.B. and display of PIN 1 & PIN 25. 2.4 VAC on the P.C.B.
filament.
2 Defective Display Refer to “The display Replace P.C.B.
trouble shooting data” assembly.
below.
3 Loss of vacuum in White Replace P.C.B.
the display spot is assembly
generated
on the
display
COMBI, LOCK don’t come on. GRID1 (G1), 21 30
GRILL, M/W don’t come on. GRID2 (G2), 17 29
WEIGHT DEFROST, NO/CUPS don’t come on. GRID3 (G3), 9 26
TIME DEFROST doesn’t come on. GRID4 (G4), 10 28
AUTO START, g don’t come on. GRID5 (G5), 4, 7 27
SEGMENT “a” doesn’t come on from G1 to G5. SEGMENT d, 19 39
SEGMENT “b” doesn’t come on from G1 to G5. SEGMENT e, 18 40
SEGMENT “c” doesn’t come on from G1 to G5. SEGMENT f, 16 41
SEGMENT “d” doesn’t come on from G1 to G5. SEGMENT a, 23 36
SEGMENT “e” doesn’t come on from G1 to G5. SEGMENT b, 22 37
SEGMENT “f” doesn’t come on from G1 to G5. SEGMENT c, 20 38
SEGMENT “g” doesn’t come on from G1 to G5. SEGMENT g, 15 42
LOCK, M/W, NO/CUPS, g don’t come on. UPPER BAR h, 5 33
COMBI, GRILL, TIME DEFROST, LOWER BAR i, 34
WEIGHT DEFROST, AUTO START don’t come on. 6, 8, 9, 11
TROUBLE
DISPLAY NAME
& PIN NO.
MICOM OUTPUT
IN PIN NO.