Sharp R-990KS User Manual

R990K(W)
12 – 1
R990K(W)
Service Manual
CHAPTER 12. CIRCUIT DIAGRAMS
[1] Oven Schematic
Figure O-1 Oven Schematic-OFF Condition
Figure O-2. Oven Schematic-High or Easy Defrost or Reheat Sensor Cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. CLOCK APPEARS ON DISPLAY.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.
3. START PAD TOUCHED.
THERMAL CUT-OUT 150¡C (CONV.)
NOISE FILTER
MONITOR SWITCH
LOWER LATCH SWITCH
OVEN LAMP
FAN MOTOR
A5
A3
A1
E-6
CONTROL UNIT
DAMPER
SWITCH
THER-
MISTOR
STOP
SWITCH
AH SENSOR
DAMPER MOTOR
CONVECTION MOTOR
TURNTABLE MOTOR
0.0022μ/AC250V
0.22μ/AC250V
0.0022μ/AC250V
NOISE SUPPRESSION COIL
CONVECTION HEATER
MAGNETRON
POWER
TRANSFORMER
H.V. RECTIFIER
CAPACITOR
1.13μ
AC 2100V
RY4 RY5
RY6
RY1
UPPER LATCH
SWITCH
TEMPERATURE
FUSE 150¡C
(MAGNETRON)
THERMAL CUT-OUT
95¡C (FAN)
THERMAL CUT-OUT
145¡C (MAGNETRON)
230-240V
50Hz
FM
COM.
(RY1)
E-5E-4E-3E-2E-1
F-3 F-2
F-1
RY3
N.O.
(RY1)
COM.
(RY3)
COM.
(RY2)
N.O.
(RY2)
N.O.
(RY3)
A-9
A-7
CM
DM
OL
FUSE F10A
RY2
TTM
H.V.FUSE
0.75A
OR
NOTE: " " indicates components with potentials above 250V
THERMAL CUT-OUT 150¡C (CONV.)
NOISE FILTER
MONITOR SWITCH
LOWER LATCH SWITCH
OVEN LAMP
FAN MOTOR
A5
A3
A1
E-6
CONTROL UNIT
DAMPER
SWITCH
THER-
MISTOR
STOP
SWITCH
AH SENSOR
DAMPER MOTOR
CONVECTION MOTOR
TURNTABLE MOTOR
0.0022μ/AC250V
0.22μ/AC250V
0.0022μ/AC250V
NOISE SUPPRESSION COIL
CONVECTION HEATER
MAGNETRON
POWER
TRANSFORMER
H.V. RECTIFIER
CAPACITOR
1.13μ
AC 2100V
RY4 RY5
RY6
RY1
UPPER LATCH
SWITCH
TEMPERATURE
FUSE 150¡C
(MAGNETRON)
THERMAL CUT-OUT
95¡C (FAN)
THERMAL CUT-OUT
145¡C (MAGNETRON)
230-240V
50Hz
FM
COM.
(RY1)
E-5E-4E-3E-2E-1
F-3 F-2
F-1
RY3
N.O.
(RY1)
COM.
(RY3)
COM.
(RY2)
N.O.
(RY2)
N.O.
(RY3)
A-9
A-7
CM
DM
OL
FUSE F10A
RY2
TTM
H.V.FUSE
0.75A
OR

Sharp R-990KS Specifications

General

Brand	Sharp
Model	R-990KS
Category	Microwave Oven
Language	English