33
PRINTED WIRING BOARD
•
Check method
5. Case of no heating of upper heater
When touching TEMP COOK & COMBI button, oven lamp turns on, fan motor and turntable motor rotate and
cook indicator in the display comes on.
•
CAUSE : Relay 2 (RY2) does not operate.
•
Check method
6. Case of no heating of lower heater
When touching TEMP COOK & PIE button, oven lamp turns on, fan motor and turntable motor rotate and cook
indicator in the display comes on.
•
CAUSE :
Relay 5 (RY5) does not operate.
•
Check method
STAGE
POINT A
POINT B
R ELAY O N
+ 5 V D C
G N D
R EL AY O F F
G N D
+1 2 V D C
KOC-984T
STAGE
POINT A
POINT B
R ELAY O N
+ 5 V D C
G N D
R EL AY O F F
G N D
+1 2 V D C
KOC-984T
STAGE
POIN T A
POINT B
R ELAY O N
+ 5 V D C
G N D
R EL AY O F F
G N D
+1 2 V D C
Summary of Contents for KOC-984T
Page 1: ...Service Manual Microwave Oven Model KOC 984T DAEWOO ELECTRONICS CO LTD S M No C972T0S002...
Page 4: ...1 OUTER DIMENSION KOC 972T EXTERNAL VIEW KOC 984T...
Page 23: ...23 WIRING DIAGRAM...
Page 24: ...24 SCHEMATIC DIAGRAM...
Page 25: ...25 SCHEMATIC DIAGRAM...
Page 26: ...26 SCHEMATIC DIAGRAM...
Page 27: ...27 EXPLODED VIEWS AND PARTS LIST EXPLODED VIEW...
Page 35: ...35 P C B CIRCUIT DIAGRAM...