Gebruiksaanwijzing /service van het product R-530EK van de fabrikant Sharp
Ga naar pagina of 44
43 R-53 0E K R-530 EW 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 con- tain circuitry capable of producing very high voltage and current.
44 R-53 0EK R-530 EW PRECAUTIONS T O BE OBSER VED BEFORE AND DURING SER VICING T O A VOID POSSIBLE EXPOSURE T O EXCESSIVE MICROW A VE ENERGY (a) Do not operate or allow the oven to be operated with the door open.
1 R-53 0E K R-530 EW W ARNING T O SER VICE PERSONNEL Microwave ovens contain circuitry capable of pro- ducing very high voltage and current, contact with following parts may result in a severe, possibly fatal, electrical shock.
2 R-53 0EK R-530 EW MICROW A VE MEASUREMENT PROCEDURE A. Requirements: 1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not.
3 R-53 0E K R-530 EW SHARP ELECTRONICS CORPORATION SHARP PLAZA, MAHWAH, NEW JERSEY 07430-2135 SERVICE MANUAL MICROWAVE OVEN R-530EK/ R-530EW FOREWORD This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the SHARP MICROWAVE OVEN, R-530EK, R-530EW.
4 R-53 0EK R-530 EW ITEM DESCRIPTION Power Requirements 120 Volts / 13.8 Amperes 60 Hertz Single phase, 3 wire grounded Power Output 1200 watts (IEC TEST PROCEDURE) Operating frequency of 2450MHz Case Dimensions Width 24" Height 13-3/8" Depth 19-1/8" Cooking Cavity Dimensions Width 17-3/8" Height 10-1/2" 2.
5 R-53 0E K R-530 EW Where a two-pronged wall-receptacle is encountered, it is the personal responsibility and obligation of the customer to contact a qualified electrician and have it replaced with a properly grounded three-pronged wall receptacle or have a grounding adapter properly grounded and polarized.
6 R-53 0EK R-530 EW OPERA TION DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during oven operation. OFF CONDITION Closing the door activates the door sensing switch and secondary interlock switch. (In this condition, the monitor switch contacts are opened.
7 R-53 0E K R-530 EW The time of supplementary cooking is determined by experi- ment with each food category and inputted into the LSI. An example of how sensor works: (POTATOES) 1. Potatoes at room temperature. Vapor is emitted very slowly. 2. Heat Potatoes.
8 R-53 0EK R-530 EW Figure O-1. Oven Schematic-Off Condition SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. CLOCK APPEARS ON DISPLAY. SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. COOKING TIME PROGRAMMED. 3. VARIABLE COOKING CONTROL "P-HI/ 100 PERCENT".
9 R-53 0E K R-530 EW DESCRIPTION AND FUNCTION OF COMPONENTS DOOR OPEN MECHANISM The door is opened by pushing the open button on the control panel, refer to the Figure D-1. When the open button is pushed, the open button pushes up the switch lever, and then the switch lever pushes up the latch head.
10 R-53 0EK R-530 EW TROUBLESHOOTING GUIDE Never touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected. When troubleshooting the microwave oven, it is helpful to follow the Sequence of Operation in performing the checks.
11 R-53 0E K R-530 EW CK = Check / RE = Replace SHORT IN POWER CORD SHORT OR OPENED WIRING MAGNETRON POWER TRANSFORMER H.V. RECTIFIER ASSEMBLY HIGH VOLTAGE CAPACITOR CAVITY TEMPERATURE FUSE MAGNETRON .
12 R-53 0EK R-530 EW B POWER TRANSFORMER TEST 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. Disconnect the primary input terminals and measure the resistance of the transformer with an ohmmeter.
13 R-53 0E K R-530 EW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST 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. If the capacitor is open, no high voltage will be available to the magnetron.
14 R-53 0EK R-530 EW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open.
15 R-53 0E K R-530 EW H BLOWN MONITOR FUSE TEST TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST 1. Disconnect the power supply cord, and then remove outer case.
16 R-53 0EK R-530 EW 4) Reconnect the power supply cord after the outer case is installed. 5) Run the oven and check all functions. The following symptoms indicate a defective key unit. a) When touching the pads, a certain pad produces no signal at all.
17 R-53 0E K R-530 EW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST the above method may be used (after clearing the control unit) to determine if the control unit or key pad is at fault. 5. Reconnect all leads removed from components during testing.
18 R-53 0EK R-530 EW 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.
19 R-53 0E K R-530 EW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST 10) Discharge high voltage capacitor. 11) Reconnect all leads removed from components during testing. 12) Re-install the outer case (cabinet). 13) Reconnect the power supply cord after the outer case is installed.
20 R-53 0EK R-530 EW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST 9-2. Place the container on the center of tray in the oven cavity. 9-3. Close the door. 9-4. Touch the Timer/Clock pad once, the Power Level pad twice, the Start pad once and the number pad 1 once.
21 R-53 0E K R-530 EW TOUCH CONTROL P ANEL ASSEMBL Y OUTLINE OF TOUCH CONTROL PANEL 4) Relay Circuit A circuit to drive the magnetron, fan motor, turntable motor and light the oven lamp. 5) Buzzer Circuit The buzzer is responsive to signals from the LSI to emit audible sounds (key touch sound and completion sound).
22 R-53 0EK R-530 EW LSI(IXA098DR) The I/O signal of the LSI(IXA098DR) is detailed in the following table. Pin No. Signal I/O Description 1 COM5 OUT Common data signal : COM11. Connected to LCD signal COM11. 2 COM4 OUT Common data signal : COM12. Connected to LCD signal COM12.
23 R-53 0E K R-530 EW 34 INT0 IN Signal synchronized with commercial power source frequency. This is the basic timing for time processing of LSI. 35 P07 OUT Key strobe signal. Signal applied to touch-key section. A pulse signal is input to AIN7, P14, P15, P16 and P17 terminal while one of G1 line keys on key matrix is touched.
24 R-53 0EK R-530 EW 52 NC _ Terminal not used. 53 XCOUT OUT Terminal not used. 54 XCIN IN Connected to VC. 55 NC _ Terminal not used. 56 VCC IN Power source voltage: GND(0V). The power source voltage to drive LSI is input to VCC terminal. 57 OSCSEL IN Connected to VC(-5V).
25 R-53 0E K R-530 EW ABSOLUTE HUMIDITY SENSOR CIRCUIT (1) Structure of Absolute Humidity Sensor The absolute humidity sensor includes two thermistors as shown in the illustration. One thermistor is housed in the closed vessel filled with dry air while another in the open vessel.
26 R-53 0EK R-530 EW 1. Precautions for Handling Electronic Components This unit uses CMOS LSI in the integral part of the circuits. When handling these parts, the following precautions should be strictly followed. CMOS LSI have extremely high impedance at its input and output terminals.
27 R-53 0E K R-530 EW To remove the outer case, proceed as follows. 1. Disconnect the power supply cord. 2. Open the oven door and block it open. 3. Remove the two (2) screws from the lower portion of the rear cabinet using a T20H Torx type or GTXH20-100 screw driver.
28 R-53 0EK R-530 EW POWER TRANSFORMER REMOVAL Reinstallation 1. Rest transformer on the bottom plate with its primary terminals toward the oven face plate.
29 R-53 0E K R-530 EW CONTROL PANEL ASSEMBLY REMOVAL POSITIVE LOCK ® CONNECTOR (NO-CASE TYPE) REMOVAL Figure C-2. Positive lock ® connector 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor.
30 R-53 0EK R-530 EW COOLING FAN MOTOR REMOVAL REMOVAL 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. Disconnect the wire leads from the fan motor. 5. Remove the two (2) screws holding the fan motor to the oven cavity back plate.
31 R-53 0E K R-530 EW DOOR REPLACEMENT 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. Discharge high voltage capacitor. If the door sensing switch, secondary interlock switch and monitor switch do not operate properly due to a misadjustment, the following adjustment should be made.
32 R-53 0EK R-530 EW Note: The door on a microwave oven is designed to act as an electronic seal preventing the leakage of microwave energy from oven cavity during cook cycle. This function does not require that door be air- tight, moisture (condensation)-tight or light-tight.
33 R-53 0E K R-530 EW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-1. Pictorial Diagram HIGH VOLTAGE CAPACITOR HIGH VOLTAGE WIRE A H.V. RECTIFIER POWER SUPPLY CORD 120V 60Hz HIGH VOLTAGE COMPONENTS OVEN LAMP AND SOCKET MAGNETRON COM.
34 R-53 0EK R-530 EW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-2. Power Unit Circuit + – + – + – A 1 CN-A R4 27 D5 T1 1 3 4 D1 D3 D2 D4 6 ab c d VRS1 (J1) D7 D8 1SS270A 1SS270A 10G471K C1 0.1 µ /50v C3 0.1 µ /50v ZD1 HZ16-1 C5 10 µ /35v C2 1000 µ /35v C4 10 µ /35v R1 2.
35 R-53 0E K R-530 EW Figure S-3 LSI Unit Circuit 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H C-10 C-9 C-1 C-8 C-12 F-1 F-2 F-3 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 G 9 G10 G11 G12 G13 G14 C-11 C.
36 R-53 0EK R-530 EW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-4. Printed Wiring 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 (C.
37 R-53 0E K R-530 EW ∆ REF. NO. PART NO. § DESCRIPTION Q'TY CODE P ARTS LIST Note: The parts marked “ ∆ ” may cause undue microwave exposure. The parts marked “*” are used in voltage more than 250V. "§" MARK: PARTS DELIVERY SECTION.
38 R-53 0EK R-530 EW ∆ ∆ ∆ ∆ * REF. NO. PART NO. § DESCRIPTION Q'TY CODE 4- 6 NFANPB006MRE0 M Fan blade 1 AC 4- 7 PDUC-B088MRF0 M Fan duct 1 AC 4- 8 ------------- M Oven cavity (Not a re.
39 R-53 0E K R-530 EW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H OVEN AND CABINET PARTS 2-3 4-7 6-7 1-5 4-6 4-8 4-11 7-6 7-2 1-15 4-9 6-11 6-3 6-5 6-4 2-1 7-6 1-12 4-10 4-13 7-2 7-2 4-3 1-1.
40 R-53 0EK R-530 EW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Actual wire harness may be different from illustration. 6-9 6-2 6-1 5-6 5-8 3-3-1 3-3-2 3-3- 4 3-3- 3 5-4 5-5 5-2 3-3 3-5 3-4.
41 R-53 0E K R-530 EW PACKING AND ACCESSORIES DOOR PROTECTION SHEET SPADP0221MRE0 PLASTIC BAG SSAKHB007MRE0 PACKING CASE SPAKCB309MRR3 (R-530EK) SPAKCB309MRR2 (R-530EW) TOP PAD ASSEMBLY FPADBB050MRE0 .
42 R-53 0EK R-530 EW 2001 SHARP CORP. (3S2.530E) Printed in U.S.A COPYRIGHT © 2001 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in retrieval systems.
Een belangrijk punt na aankoop van elk apparaat Sharp R-530EK (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Sharp R-530EK heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Sharp R-530EK vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Sharp R-530EK leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Sharp R-530EK krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Sharp R-530EK bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Sharp R-530EK kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Sharp R-530EK . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
