Sharp R-530BW Service Manual

R-590BK R-590BW SHARF? SERVICE MANUAL S68M116R590BE MICROWAVE OVEN MODELS R-590BKlR-590BW In the interest of user-safety the oven is to be res

R-590BK R-590BW DESCRIPTION AND FUNCTION OF COMPONENTS Cooling Fan Motor The cooling fan motor drives a blade which draws exter- nal coo

SERVICING R-590BK R-590BW When troubleshooting the microwave oven, it is helpful to follow the sequence of operation in performing the

R-590BK R-590BW Troubleshooting Guide Problem 3ven lamp does not light at all. [>ven lamp lights, but fan motor and turntable motor

R-590BK R-590BW I TEST PROCEDURES Procedure Letter Component Test A. Magnetron Assembly Test 1. Disconnect the power supply cord, and then

R-590BK R-590BW Procedure Letter Component Test c. High Voltage Rectifier Test 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 . Disconnect the power supply cor

R-590BK R-590BW TEST PROCEDURES Procedure Letter Component Test E. Continued Primary Interlock Relay (RY-2) 1 2: 3 . 4 . 5 . fi Disconnect the

R-590BK R-590BW Procedure Letter Component Test E . Continued Open Monitor Fuse 1. Disconnect the power supply cord, and then remove outer

R-590BK R-590BW TEST PROCEDURES Procedure Letter Component Test G. Continued Touch Control Panel Assembly Test 1. Switch Unit 1. Disconnect th

R-590BK R-590BW Procedure Letter Component Test H . Relay Test 1 . 2 . 3 . 4 . 5 . 6 . 7 . Disconnect the power supply cord, and then remove

R-590BK R-590BW TEST PROCEDURES Procedure Letter Component Test 1. Continued Procedures to be taken when the foil pattern of the printed wiring boa

R-590BK R-590BW ( ) a (b) ( > C (4 ( 1 e Do not operate or allow the oven to be operated with the door open. Make the following

R-590BK R-590BW Procedure Letter Component Test J. Compu Defrost Test 1. Place one cup of water in the center of the turntable tray i

R-590BK R-590BW Procedure Letter Component Test L. AH Sensor Test Checking the initial sensor cooking condition 1. The oven should be plug

R-590BK R-590BW TEST PROCEDURES Procedure Letter Component Test L . AH Sensor Test (Continued) If the new sensor does not operate properly,

R-590BK R-590BW OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the following units as shown in the touch control

R-590BK R-590BW SERVICING 1 . 2 . Precautions for Handling Electronic Components This unit uses CMOS LSI in the integral part of the cir

R-590BK R-590BW COMPONENT REPLACEMENT/ADJUSTMENT PROCEDURE Microwave ovens contain circuitry capable of producing very high voltage and c

R-590BK R-590BW COMPONENT REPLACEMENT I ADJUSTMENT PROCEDURE Please refer to “OVEN PARTS, CABINET PARTS, CONTROL PANEL PARTS, DOOR PARTS”

R-590BK R-590BW COMPONENT REPLACEMENT / ADJUSTMENT PROCEDURE Magnetron Installation When replacing the magnetron, be sure that the R.F. ga

R-590BK R-590BW COMPONENT REPLACEMENT / ADJUSTMENT PROCEDURE Turntable Motor Re-install 1 . 2 . 1 . 2 . 3 . 4 . 5 . 6 . Remove any sharp edges

Door Sensing Switch I Secondary Interlock Switch and Monitor Switch Adjustments 1 . 2 . 3 . 1 . 2 . Disconnect the power supply cord and re

SERVICE MANUAL Microwave Ovens R=590BK/R=590BW Foreword This manual has been prepared to provide Sharp Electronics Corporation personnel wi

R-590BK R-590BW DOOR DISASSEMBLY Removal 1. Disconnect the power supply cord. 2. Push the open button and open the door slightly. 3. In

R-590BK R-590BW ABSOLUTE HUMIDITY SENSOR CIRCUIT Structure of Absolute Humidity Sensor the sensor cooking of the unit. The absolute humid

AH SENSOR DUCT REMOVAL 1 . 2 . 3 . 4 . 5 . 6 . 7. Slide the two tabs of the sensor duct to the right. 8. Sensor duct is now free. D

R-590BK R-590BW c . . AH SENSOR ORIENTATIOI\I & HARNESS ROUTING AH Sensor Orientation Mounting Screw AH densor Mocntiw AH Sensor Duct Screw

R-590BK R-590BW MICROWAVE MEASUREMENT PROCEDURE After adjustment of the door, interlock and monitor switches are completed individually o

R-590BK R-590BW 1 2 3 4 5 6 n L / P - B - C - D - E - F - 3 - H 1 2 3 4 5 6 33

R-590BK R-590BW J 1 2 3 4 5 C 34

R-590BK R-590BW 1 2 3 4 5 6 Dl -D4 Tl 1 N4001 r AC1 20V 60Hz L!f * a - - T \ T WT T (c81 IdO u d 7 7 a c5 TURNTABLE MOTOR OVEN LAMP FAN MOTOR MIC

R-590BK R-590BW 1 2 3 4 5 6 A B C D E F G ~ H 1 ,G8 G7 I I I I G6 E F G H - -0 -\- s *Q x -0 -\I z -0 -\- %- a -\ * \ I w ‘G2 -0 -\- -0 -\- 5s *Q -T

R-590BK R-590BW 1 2 3 4 5 6 - I koa 99 x 000 uaL9otl a37 I I (WJP am) 80 L99aH 7 q I , 1 2 3 4 5 6 37

R-590BK R-590BW WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of producing very high voltage and current. Con- t

R-590BK R-590BW I 2 3 4 3 u A B C D E F G ~ H I- L- 4 Printed Wiring Board of Power Unit and Switch Unit ---. _ 3 n 4 5 6 -- l- l . ---1 I L- I I

R-590BK R-590BW B C D E F G ! H Front side 1 2 3 4 5 6 1 3 - m J - II - E - F - ( - t 1 2 Back side Printed Wiring Board of Display Unit 3 4

R-590BK R-590BW PARTS LIST A A Contact your nearest SHARP Parts Distributor to order. For location of SHARP Parts Distributor, Please call To

R-590BK R-590BW Ref No. Part No. 5 Description Qty Code , Control Panel 3-l DPWBFBO88MRUO M Power unit 1 AZ 3-1A QCNCMA275DREO J 2-pin c

R-590BK R-590BW A Ref No. Part No. Q Description Qty Code Door 4- 0 CDORFB2llMRKO M Door assembly(R-590BK) 1 BE 4- 0 CDORFB212MRKO M Door ass

R-590BK R-590BW 1 2 3 4 5 6 Cavity Assembly 2 6-11 . 71 14 > E - E - C - D - E - F - G - H

R-590BK R-590BW 1 2 3 4 5 6 ‘\ /’ ‘.,’ 4-o Door Assembly r ------~-------~_--__ ::: --------------__ ----~ -- 1 I . I H I \ \ I 1 H \ . I . \

R-590BK R-590BW 1 2 3 4 5 6 Wire Harnesses A rc A-, * Actual harnesses may be different than illustrations. rr ” Packing and Accessories * PAC

SHARK ‘980 SHARP CORP. (7M2.70E) Printed in U.S.A.

- R-590BK R-590BW Item Description Power Requirements 120 Volts 14.0 Amperes 1650 Watts 60 Hertz Single phase, 3 wire grounded Power Output

R-590BK R-590BW Grounding Instructions This oven must be fully grounded at all times. This appliance must be connected to a 120 volt,

R-590BK R-590BW Touch Control Panel Time of day and date During setting “Reminder “, this mark is displayed 1 Big LCD display ---I Reminder

R-590BK R-590BW OPERATION Description of Operating Sequence The following is a description of component functions during oven operation: Of

R-590BK R-590BW OPERATION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during oven operation. Se