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