
3) Display problems
Display trouble shooting data
4) When there is not microwave oscillation.
(1) When pressing “START” button, 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.
TIME DEFROST, g do not come on
GRID 1(G1), 21
10
WEIGHT DEFROST, WATT do not come on.
GRID 2(G2), 17
6
COMBI does not come on
GRID 3(G3), 14
3
GRILL, AUTO COOK do not come on.
GRID 4(G4), 20
2
M/W, LOCK do not come on.
GRID 5(G5), 4, 7
1
SEGMENT, “a” does not come on form G1 to G5.
SEGMENT d, 19
8
SEGMENT, “b” does not come on form G1 to G5.
SEGMENT e, 18
7
SEGMENT, “c” does not come on form G1 to G5.
SEGMENT f, 16
5
SEGMENT, “d” does not come on form G1 to G5.
SEGMENT a, 23
12
SEGMENT, “e” does not come on form G1 to G5.
SEGMENT b, 22
11
SEGMENT, “f” does not come on form G1 to G5.
SEGMENT c, 20
9
SEGMENT, “g” does not come on form G1 to G5.
SEGMENT g, 15
4
DEFROST, COMBI, GRILL, M/W do not come on.
UPPER BAR l,5
63
LOCK, AUTO COOK, WATT, g do not come on.
LOWER BAR h,i,j,k,6,8,9,11
62
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.
2.6 VAC
on the P.C.B.
filament.
2
The Display has some
Refer to “The display
Replace P.C.B.
troubles in its segment.
trouble shooting data”
assembly.
below.
3
Loss of vacuum in
White spot is
Replace P.C.B.
the display
generated
assembly
on the display
42
TROUBLE
DISPLAY NAME
& PIN NO.
MICOM OUTPUT
IN PIN NO.
MICOM
A
B
37
Q12
D9
RY2
-24V
White spot
Содержание KOG-366T0S
Страница 1: ...Service Manual Microwave Oven Model KOG 366T0S DAEWOOELECTRONICS CO LTD OVERSEASSERVICEDEPT...
Страница 22: ...21 WIRING DIAGRAM GERMANY Fig 1...
Страница 23: ...22 WIRING DIAGRAM Fig 1 1...
Страница 46: ...45 2 P C B Circuit Diagram...
Страница 47: ...46 3 COMPONENT INFORMATION 1 Transistor NPN Type 2 Diode and Zener Diode D1 16 ZD1 6...
Страница 48: ...47 4 PRINTED CIRCUITS BOARD...
Страница 49: ...48...
Страница 54: ...53 3 Main Unit...