R-3A56
8
MAGNETRON
POWER TRANSFORMER
H.V. RECTIFIER ASSEMBLY
HIGH VOLTAGE CAPACITOR
1ST. LATCH SWITCH
2ND. LATCH SWITCH
STOP SWITCH
MONITOR SWITCH
MONITOR RESISTOR
TEMPERATURE FUSE 95˚C
THERMAL CUT-OUT 145˚C
FAN MOTOR
TURNTABLE MOTOR
FUSE M8A
TOUCH CONTROL PANEL
KEY UNIT
RELAY (RY-1, RY-2)
FOIL PATERN ON P.W.B.
POWER SUPPLY CORD
SHORTED WIRE HARNESS
OPENED WIRE HARNESS
OVEN LAMP OR SOCKET
WALL OUTLET
MISADJUSTMENT SWITCH
HOME FUSE OR BREAKER
BLOCKED COOLING FAN
BLOCKED VENTILATION
NOISE FILTER (FOR N.Z.)
Home fuse blows when power
supply cord is plugged into wall
outlet.
FUSE M8A blows when power
supply cord is plugged into wall
outlet.
"88:88" does not appear in display
but power supply cord is plugged
into wall outlet.
Display does not operate prop-
erly when STOP/CLEAR pad is
touched.
Oven lamp does not light at door
opened. (Display appears.)
Oven does not start when the
START pad is touched. (Display
appears)
Oven lamp does not light (Display
appears.)
Fan motor does not operate. (Dis-
play appears.)
Turntable motor assembly does
not operate. (Display appears.)
Oven or any electrical parts does
not stop when cooking time is 0 or
STOP/CLEAR pad is touched.
Oven seems to be operating but
little or no heat is produced in
oven load. (Microwave power level
is set at HIGH)
Oven does not seems to be oper-
ating properly when MEDIUM
HIGH, MEDIUM, MEDIUM LOW
or LOW is set. (Oven operates
properly at HIGH and then the
STOP/CLEAR pad is touched the
oven stops.)
Oven goes into cook cycle but
shuts down before end of cooking
cycle.
Oven stops as soon as when the
START pad is touched.
OFF
CONDITION
PROBLEM
CONDITION
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
TEST PROCEDURE
ON
CONDITION
CK = Check / RE = Replace
ABC
D
EEEEGFFH HIJKLM RECK CKRE CK CKCKCK CK N
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