SHARP CORPORATION
TABLE OF CONTENTS
WARNING TO SERVICE PERSONNEL Microwave ovens con
tor, High Voltage Power Transformer, Magnetron, High Volt
BEFORE SERVICING
After repairing
WARNING TO SERVICE PERSONNEL
Dont Touch Danger High Voltage
Before Servicing
B. Preparation for testing
MICROWAVE MEASUREMENT PROCEDURE
A. Requirements
C. Leakage test
SHARP PLAZA, MAHWAH NEW JERSEY
DANGER
If provided, Vent Hood, Fan assembly, Cooling Fan Motor
MICROWAVE OVEN R-530EK/ R-530EW FOREWORD
GENERAL INFORMATION
SPECIFICATION
DESCRIPTION
GROUNDING INSTRUCTIONS
Sensor Cooking
OVEN DIAGRAM
OPERATION
POWER LEVEL 0% TO 100% COOKING
DESCRIPTION OF OPERATING SEQUENCE
OFF CONDITION
Cooking Sequence
MICROWAVE
Figure O-2. Oven Schematic-Cooking Condition
Figure O-1. Oven Schematic-Off Condition
SCHEMATIC NOTE CONDITION OF OVEN 1. DOOR CLOSED
SCHEMATIC NOTE CONDITION OF OVEN 1. DOOR CLOSED
MONITOR SWITCH
DOOR SENSING AND SECONDARY INTERLOCK SWITCHES
CAVITY TEMPERATURE FUSE
MAGNETRON TEMPERATURE FUSE
When the testing is completed
TROUBLESHOOTING GUIDE
CK = Check / RE = Replace
PROCEDURE
TEST PROCEDURES
A MAGNETRON ASSEMBLY TEST
MICROWAVE OUTPUT POWER
PROCEDURE
TEST PROCEDURES
E CAVITY TEMPERATURE FUSE TEST
MAGNETRON TEMPERATURE FUSE TEST
PROCEDURE
TEST PROCEDURES
F SECONDARY INTERLOCK SWITCH TEST
G MONITOR SWITCH TEST
PROCEDURE
TEST PROCEDURES
I TOUCH CONTROL PANEL ASSEMBLY TEST
Before testing
PROCEDURE
TEST PROCEDURES
LETTER
COMPONENT TEST
PROCEDURE
TEST PROCEDURES
LETTER
COMPONENT TEST
PROCEDURE
TEST PROCEDURES
M FOIL PATTERN ON THE PRINTED WIRING BOARD TEST
COMPONENT TEST
PROCEDURE
TEST PROCEDURES
TESTING METHOD FOR AH SENSOR AND/OR CONTROL UNIT
LETTER
PROCEDURE
TEST PROCEDURES
LETTER
COMPONENT TEST
2 Indicator Circuit
TOUCH CONTROL PANEL ASSEMBLY
3 Power Source Circuit
6 Synchronizing Signal Circuit
Common data signal COM12
Common data signal COM11
Common data signal COM13
Common data signal COM14
Signal synchronized with commercial power source frequency
Signal
Key strobe signal
Key strobe signal
Power source voltage GND0V
Signal
Power source voltage
Internal clock oscillation frequency control input setting
Signal
ABSOLUTE HUMIDITY SENSOR CIRCUIT
Common data signal COM9
Common data signal COM10
1 Servicing the touch control panel with power supply of the oven
TOUCH CONTROL PANEL SERVICING
5. Other Precautions
2. Shapes of Electronic Components
OUTER CASE REMOVAL
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
WARNING FOR WIRING
WARNING AGAINST HIGH VOLTAGE
HIGH VOLTAGE RECTIFIER AND HIGH VOLTAGE CAPACITOR REMOVAL
POWER TRANSFORMER REMOVAL
MAGNETRON REMOVAL
Reinstallation
CONTROL PANEL ASSEMBLY REMOVAL
POSITIVE LOCK CONNECTOR NO-CASE TYPE REMOVAL
OVEN LAMP AND LAMP SOCKET REMOVAL
TURNTABLE MOTOR REMOVAL
COOLING FAN MOTOR REMOVAL
AH SENSOR REPLACEMENT
Make sure that the fan blade rotates smoothly after installation
Reinstallation
After adjustment, check the following
DOOR REPLACEMENT
Figure C-3. Latch Switch Adjustments
Figure C-4. Door Disassembly
REINSTALLATION
SEALER FILM
Note After any service to the door
After any service, make sure of the following
POWER UNIT
Figure S-1. Pictorial Diagram
HIGH VOLTAGE COMPONENTS
CONTROL PANEL
Figure S-2. Power Unit Circuit
3 LSI Unit
Circuit
IXA098DR
IC-1
CN - C
CN - C
D6 B
CN - B
Note The parts marked “ Δ” may cause undue microwave exposure
PARTS LIST
ELECTRIC PARTS
CABINET PARTS
DOOR PARTS
HOW TO ORDER REPLACEMENT PARTS
MISCELLANEOUS
SCREWS,NUTS AND WASHERS
OVEN AND CABINET PARTS
DOOR PARTS
CONTROL PANEL PARTS
MISCELLANEOUS
PACKING AND ACCESSORIES
R - 5 3 0 E K R - 530EW
COPYRIGHT 2001 BY SHARP CORPORATION ALL RIGHTS RESERVED