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