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PRECAUTIONS TO BE OBSERVED BEFORE AND
DURING SERVICING TO AVOID POSSIBLE EXPO-
SURE TO EXCESSIVE MICROWAVE ENERGY
CHAPTER 1. WARNING TO SERVICE PERSONNEL

CHAPTER 2. MICROWAVE MEASUREMENT PRO-
CEDURE

CHAPTER 3. FOREWORD AND WARNING

CHAPTER 4. PRODUCT DESCRIPTION

CHAPTER 5. GENERAL INFORMATION

CHAPTER 6. OPERATION

CHAPTER 7. TROUBLESHOOTING GUIDE

CHAPTER 8. TEST PROCEDURES

CHAPTER 9. TOUCH CONTROL PANEL ASSEMBLY

CHAPTER 10. PRECAUTIONS FOR USING LEAD-
FREE SOLDER

CHAPTER 11. COMPONENT REPLACEMENT AND
ADJUSTMENT PROCEDURE

CHAPTER 12. CIRCUIT DIAGRAMS

Parts List

SX705R530EPW/

MICROWAVE OVEN

R-530EK-T
R-530EW-T
R-530ES-T

SERVICE MANUAL

R530EW

MODELS

CONTENTS

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

TopPage

In the interest of user-safety the oven should be restored to its original condition and only parts identical to those
specified should be used.

WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high
voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock.
(High Voltage Capacitor, High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly,
High Voltage Harness etc..)

R-530EW-T

R-530ES-T

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Содержание R-530EK-T

Страница 1: ... DIAGRAMS Parts List SX705R530EPW MICROWAVE OVEN R 530EK T R 530EW T R 530ES T SERVICE MANUAL R530EW MODELS CONTENTS This document has been published to be used for after sales service only The contents are subject to change without notice TopPage In the interest of user safety the oven should be restored to its original condition and only parts identical to those specified should be used WARNING ...

Страница 2: ...8 3 8 H BLOWN MONITOR FUSE TEST 8 3 9 I NOISE FILTER TEST 8 4 10 J TOUCH CONTROL PANEL ASSEM BLY TEST 8 4 11 K KEY UNIT TEST 8 5 12 L RELAY TEST 8 5 13 M DEFROST CENTER TEST 8 6 14 N FOIL PATTERN ON THE PRINTED WIRING BOARD TEST 8 6 15 O AH SENSOR TEST 8 7 CHAPTER 9 TOUCH CONTROL PANEL ASSEM BLY 1 OUTLINE OF TOUCH CONTROL PAN EL 9 1 2 ABSOLUTE HUMIDITY SENSOR CIR CUIT 9 2 3 SERVICING FOR TOUCH CON...

Страница 3: ... components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner BEFORE SERVICING Before servicing ...

Страница 4: ...gh voltage capacitor 4 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord 2 When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage ca...

Страница 5: ...ity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on Full Power Cooking Mode 5 Close...

Страница 6: ...The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is no other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel 3 DANGER Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing Service personnel Do not conta...

Страница 7: ...utes 99 seconds Microwave Power for Variable Cooking Repetition Rate 100 PERCENT Full power throughout the cooking time 90 PERCENT approx 90 of Full Power 80 PERCENT approx 80 of Full Power 70 PERCENT approx 70 of Full Power 60 PERCENT approx 60 of Full Power 50 PERCENT approx 50 of Full Power 40 PERCENT approx 40 of Full Power 30 PERCENT approx 30 of Full Power 20 PERCENT approx 20 of Full Power ...

Страница 8: ...hould be a 3 wire 15 amp or higher rated cord Do not drape over a countertop or table where it can be pulled on by children or tripped over accidentally CAUTION DO NOT UNDER ANY CIRCUMSTANCES CUT OR REMOVE THE ROUND GROUNDING PRONG FROM THIS PLUG 2 OVEN DIAGRAM 1 OVEN 1 One touch door open button Push to open door 2 Door latches The oven will not operate unless the door is securely closed 3 Remova...

Страница 9: ...primary interlock relay RY2 and secondary interlock switch open their contacts And contacts of the relay RY1 remains closed Then the monitor switch contacts close b When the door is closed from the open position the monitor switch contacts open first Then the contacts of the secondary interlock switch and door sensing switch close And contacts of the relay RY1 open If the secondary interlock switc...

Страница 10: ... the food the dis play switches over to the remaining cooking time and the timer counts down to zero At this time the door may be opened to stir turn or season food 5 When the timer reaches zero an audible signal sounds The shut off relay and cook relay are de energized and the power trans former oven lamp etc are turned off 6 Opening the door or touching the STOP CLEAR pad the time of day will re...

Страница 11: ...en the door is opened Functions 1 When the door is opened the monitor switch contact close to the ON condition due to their being normally closed At this time the primary interlock relay RY2 and secondary interlock switch are in the OFF condition contacts open due to their being normally open contact switches 2 As the door goes to a closed position the monitor switch contacts are first opened and ...

Страница 12: ...peratures are reached within the oven cavity the cavity temperature fuse will open at 302 F 150 C causing the oven to shut down NOTE This is a fuse It does not reset 7 MAGNETRON TEMPERATURE FUSE The magnetron temperature fuse located near the magnetron is designed to prevent damage to the magnetron if an over heated condi tion develops in the tube due to cooling fan failure obstructed air guide di...

Страница 13: ... with your hand or an uninsulated tool while the power supply is connected RE CK A B C D E F F G H RE RE CK J CK CK CK K L N O I POSSIBLE CASE AND DEFECTIVE PARTS SHORT IN POWER CORD SHORT OR OPENED WIRING MAGNETRON POWER TRANSFORMER H V RECTIFIER ASSEMBLY HIGH VOLTAGE CAPACITOR MAGNETRON TEMPERATURE FUSE PRIMARY INTERLOCK SYSTEM SECONDARY INTERLOCK SWITCH MONITOR SWITCH MONITOR FUSE OVEN LAMP COO...

Страница 14: ...re the temperature making sure to stir the thermometer or thermocouple through the water until the maximum temperature is recorded 4 Subtract the cold water temperature from the hot water temperature The normal result should be 33 to 62 F 18 6 to 34 5 C rise in temperature If the water temperatures are accurately measured and tested for the required time period the test results will indicate if th...

Страница 15: ...the cooling fan and air guide An open temperature fuse or thermal cut out Cavity indicates overheating of the oven exchange the temperature fuse or thermal cut out and check inside of oven cavity and for improper setting of cooking time or operation of control unit Check for restricted air flow through the vent holes of the oven cavity especially the cooling fan and air guide 6 Reconnect all leads...

Страница 16: ...rly according to the above Switch Test Proce dure Disconnect the wire lead from the monitor switch COM terminal Check the monitor switch operation by using the ohmmeter as follows When the door is open the meter should indicate a closed circuit When the monitor switch actuator is pushed by a screw driver through the lower latch hole on the front plate of the oven cavity with the door opened in thi...

Страница 17: ...n the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 1 Key Unit NOTE 1 Re install the outer case cabinet 2 Reconnect the power supply cord after the outer case is installed 3 Run the oven and check all functions The foll...

Страница 18: ... switch stop switch is good disconnect the flat ribbon cable that connects the key unit to the control unit and make sure the door sensing switch is closed either close the door or short the door sensing switch connecter Use the Key unit matrix indicated on the control panel schematic and place a jumper wire between the pins that correspond to the STOP CLEAR pad making momentary contact If the con...

Страница 19: ... checked 14 N FOIL PATTERN ON THE PRINTED WIRING BOARD TEST To protect the electronic circuits this model is provided with a fine foil pattern added to the primary on the PWB this foil pattern acts as a fuse 1 Foil pattern check and repairs 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Follow the troubleshooting...

Страница 20: ...ill detect the vapor given of by the spray and turn off before food is properly cooked 8 After the oven is started on sensor cooking condition if the sensor has not detected the vapor of the food ERROR will appear and the oven will shut off Water load cooking test WARNING The oven should be fully assembled before following procedure Make sure the oven has been plugged in at least two minutes befor...

Страница 21: ...onents and oven chassis by using insulation tape 8 After that procedure re connect the power supply cord 9 Check the sensor cook operation proceed as follows a Close the door Touch the TIMER CLOCK pad once the POWER LEVEL pad twice and the START pad once And touch the number pad 1 once b The control panel is in the sensor cooking operation c After approximately 25 seconds push plunger of select sw...

Страница 22: ... 2 Indicator Circuit This circuit consists of 40 segments and 16 common electrodes using a Liquid Crystal Display The Liquid Crystal Display LCD is drived by LCD driver IC3 3 Power Source Circuit This circuit generates voltages necessary in the control unit from the AC line voltage In addition the synchronizing signal is available in order to compose a basic standard time in the clock circuit 4 Re...

Страница 23: ...h a way as to change the resistance values in parallel with R98 R102 Changing the resistance values results in that there is the same poten tial at both F 3 terminal of the absolute humidity sensor and AIN4 ter minal of the LSI The voltage of AIN5 terminal will indicate about 2 5V This initial balancing is set up about 16 seconds after the unit is put in the Sensor Cooking mode As the sensor cooki...

Страница 24: ...e oven itself is so short that the two can t be separated For those models check and repair all the controls sensor related ones included of the touch control panel while keeping it connected to the oven b On some models the power supply cord between the touch control panel and the oven proper is so long enough that they may be separated from each other For those models therefore it is possible to...

Страница 25: ...s adjusted accordingly Soldering As the melting point of lead free solder Sn Ag Cu is higher and has poorer wet ability flow to prevent damage to the land of the PWB extreme care should be taken not to leave the bit in contact with the PWB for an extended period of time Remove the bit as soon as a good flow is achieved The high content of tin in lead free solder will cause premature corrosion of t...

Страница 26: ...eck the door and cavity face plate for damage dents cracks signs of arcing etc Carry out any remedial work that is necessary before operat ing the oven Do not operate the oven if any of the following conditions exist 1 Door does not close firmly 2 Door hinge support or latch hook is damaged 3 The door gasket or seal is damaged 4 The door is bent or warped 5 There are defective parts in the door in...

Страница 27: ...ltage rectifier assembly from the magnetron 6 Disconnect the filament lead short one of the power transformer from the high voltage capacitor 7 Remove the one 1 screw holding capacitor holder to the base plate 8 Remove the one 1 screw holding high voltage rectifier to the capacitor holder 9 Disconnect rectifier terminal from capacitor high voltage rectifier assembly is now free 10 Remove capacitor...

Страница 28: ...per edge and right edge of the key unit to the correct position of control panel frame 3 Stick the key unit firmly to the control panel frame by rub bing with soft cloth so not to scratch 1 CPU UNIT NOTE Handle the CPU unit carefully so that there is no excessive force applied to the ribbon connection CPU unit 9 TURNTABLE MOTOR REMOVAL 1 Disconnect the power supply cord 2 Remove turntable and turn...

Страница 29: ... flange 7 Push outward on the two 2 retaining tabs holding switch in place 8 Switch is now free At this time switch lever will be free do not lose it 2 REINSTALLATION 1 Re install each switch in its place The secondary interlock monitor switches are in the lower position and the door sensing switch is in the upper position 2 Reconnect wire leads to each switch Refer to pictorial diagram 3 Secure l...

Страница 30: ... screen to door frame 2 Put sealer film on door panel Refer to Sealer Film about how to handle new one 3 Reinstall door panel to door frame by fitting tweleve 12 tabs of door frame to tweleve 12 holes of door panel 4 Reinstall the latch spring to the latch head Reinstall the latch spring to the door frame Reinstall latch head to door frame 5 Catch two 2 pins of door panel on two 2 hole of upper an...

Страница 31: ...sive tape on the backing film of the sealer film as shown in Fig C 6 2 Tear the backing film by pulling the adhesive tape 3 Put the pasted side of the sealer film on the door panel Figure C 6 Sealer film Sealer film Backing film Adhesive tape ...

Страница 32: ...neutral WHT wire must be connected to the terminal with N mark on the power supply cord BLK WHT GRY H N NOTE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw must always be kept tight COM N O DOOR SENSING SWITCH PNK GRN GRN to Oven cavity GRN PNK GRN 2 1 CN B WHT 1 CN A BRN GRY RED WHT BLK GRY WHT WHT WHT SOURCE LOAD LOAD SOURCE WHT BLK...

Страница 33: ... 1000μ 35v C4 10μ 35v R1 2 4k 1SS270A 1SS270A D1 D4 1N4002L D6 R5 4 7k R2 680 1 2w R3 510 1 2w R6 3 3k Q2 2SB1238 SP1 PKM22EPT Q1 2SB1238 RY1 RY2 Q3 KRC243M CN C 12PIN LEAD WIRE HARNESS LED GND VC VA INT VR BUZZER MICRO NC NC DOOR SENSING SWITCH OVEN LAMP TURNTABLE MOTOR FAN MOTOR AC AC MICRO DOOR SENSING SWITCH OVEN LAMP TURNTABLE MOTOR FAN MOTOR C10 C 2 C 3 C 1 C 4 C 9 C 5 C 6 C 7 C 8 C11 C12 A ...

Страница 34: ...ost Center Custom Help Baked potatoes Sensor reheat Minute Plus Vegetables Rice 1 6 2 7 3 8 4 9 5 0 Poultry Ground meat Entrees Timer Clock Stop Clear C61 330p 50v C62 330p 50v C63 330p 50v C64 330p 50v C65 330p 50v Ð R75 270k R60 15k R61 15k R62 15k R63 15k R64 15k R65 15k R66 15k R67 15k R76 270k R77 270k R78 270k R79 270k R70 15k R71 15k R72 15k R73 15k R68 15k C 6 C 5 C 7 COM14 COM15 COM5 COM6...

Страница 35: ...iring Board of Power Unit WH 1 SH B SH A 1 C3 C4 C5 R3 C2 F C1 10 D4 D2 D1 D3 J1 D9 D10 RY3 CN D D8 ZD1 VRB D U R2 R1 R6 R5 SP1 3 E B D6 D5 Q2 R4 2 6 11 P S RY2 T1 AC VRS1 5 D7 OMIF D U 9 8 7 E Q1 B 4 E RY1 AC OL TTM FM B Q3 CN C CN C CN B CN A 1 1 9 12 1 1 1 2 XA VH 2 2 ...

Страница 36: ...R530EWT 12 5 ...

Страница 37: ...s marked are used in voltage than 250V PartsGuide 1 OVEN PARTS 2 DOOR AND CONTROL PANEL PARTS for R 530EK T 530EW T 3 DOOR AND CONTROL PANEL PARTS for R 530ES T INDEX CONTENTS DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA685WRKZ PLASTIC BAG SSAKHA012WRE0 Not replaceable items PACKING CASE SPAKCE564WREZ R 530EK T SPAKCE565WREZ R 530EW T SPAKCE567WREZ R 530ES T BOTTOM PAD ASSEMBLY FPAD...

Страница 38: ... 4 10 7 2 7 2 7 11 7 11 forR 530ES T forR 530EK T EW T 4 3 1 10 1 7 7 3 7 5 7 5 7 6 7 6 4 2 7 4 7 4 1 8 7 1 1 6 1 6 4 4 7 9 4 1 1 1 1 2 7 4 2 2 2 2 2 2 2 2 7 4 7 4 7 9 4 11 6 4 1 11 7 4 7 4 7 4 7 7 7 7 1 5 1 3 4 5 4 12 7 10 7 9 1 13 1 12 1 5 4 13 7 5 7 6 1 14 7 8 7 8 4 6 4 14 4 15 ...

Страница 39: ...S Noise filter unit 1 14 FDTCTA206WRKZ AT AH sensor CABINET PARTS 2 1 GDAI A439WRWZ AZ Base plate 2 2 GLEGPA104WREZ AF Leg 2 3 GCABUB116WRPZ BG Outer case cabinet R 530EK T 2 3 GCABUB118WRPZ BG Outer case cabinet R 530EW T 2 3 GCABUB120WRPZ BH Outer case cabinet R 530ES T OVEN PARTS 4 1 LBNDKA163WRPZ AK H V Capacitor band 4 2 LANGTA430WRPZ AL Chassis support 4 3 PHOK A130WRFZ AK Latch hook 4 4 MLE...

Страница 40: ...0 AT Key unit R 530EW T 3 3 JBTN B442WRFZ AH Open button R 530EK T 3 3 JBTN B443WRFZ AH Open button R 530EW T 3 4 HDECQA370WRFZ AL Open button decoration R 530EK T 3 4 HDECQA371WRFZ AL Open button decoration R 530EW T 3 5 MSPRCA157WREZ AF Open button spring 3 6 XEPS730P08XS0 AB Screw 3mm x 8mm DOOR PARTS 5 1 GWAKPB129WRRZ AX Door frame R 530EK T 5 1 GWAKPB131WRRZ AX Door frame R 530EW T 5 2 LSTPPA...

Страница 41: ... 6 6 TINSEB148WRRZ AM Operation manual 6 8 TCADCA933WRRZ AM Recipe card 3 DOOR AND CONTROL PANEL PARTS for R 530ES T CONTROL PANEL PARTS 3 1 DPWB A559DRKZ BR Control unit 3 2 FPNLCB962WRKZ BB Panel sub assembly 3 2 1 FUNTKB281MRE0 AU Key unit 3 2 2 HDECAA347WRPZ AP Panel decoration 3 3 JBTN B445WRFZ AK Open button 3 5 MSPRCA157WREZ AF Open button spring 3 6 XEPS730P08XS0 AB Screw 3mm x 8mm DOOR PA...

Страница 42: ... 5 4 FDORFB075MRT0 AZ Door panel 5 5 PSHEPB016MRE0 AK Sealer film 5 6 GCOVHA523WRFZ AV Choke cover MISCELLANEOUS 6 1 FW VZC149WREZ AX Main wire harnes 6 6 TINSEB148WRRZ AM Operation manual 6 8 TCADCA933WRRZ AM Recipe card 3 DOOR AND CONTROL PANEL PARTS for R 530ES T ...

Страница 43: ...0WRFZ 1 4 6 AH NTNT A099WRE0 1 6 3 AX P PCOVPA465WREZ 1 4 9 AG PCUSGA630WRPZ 1 4 11 AD PCUSGA729WRPZ 1 4 14 AB PCUSGA730WRPZ 1 4 15 AG PCUSGA731WRPZ 1 4 12 AF PCUSUA278WRP0 1 4 16 AB PDUC A610WRF0 1 4 7 AR PDUC B031WRPZ 1 4 13 AH PDUC B033WRFZ 1 4 5 AM PGLSPA713WREZ 2 5 8 AV PGLSPA714WREZ 2 5 8 AT PHOK A130WRFZ 1 4 3 AK PPACGA084WRF0 1 4 10 AE PSHEPB016MRE0 2 5 5 AK 3 5 5 AK Q QFS TA013WRE0 1 1 12...

Страница 44: ...N ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in anyform or by any means electronic mechanical photocopying re cording or other wise without prior written permission of the publisher ...

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