Gebruiksaanwijzing /service van het product R-210A van de fabrikant Sharp
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R-210A TABLE OF CONTENTS Page CAUTION, MICROWAVE RADIATION .............................................................................................................. 1 WARNING .......................................................................
R-210A.
R-210A 1 SER VICE MANU AL SHARP CORPORATION OSAKA, JAPAN MICROWAVE OVEN R-210A GENERAL IMPORTANT INFORMATION This Manual has been prepared to provide Sharp Corp.
R-210A 2 PRODUCT DESCRIPTION SPECIFICATION ITEM DESCRIPTION Power Requirements 110 Volts 60 Hertz Single phase, 2 wire Power Consumption 1.1 KW Power Output 700 watts nominal of RF microwave energy (I.
R-210A 3 APPEARANCE VIEW 1. Ventilation openings 2. Oven lamp 3. Door hinges 4. Door safety latches 5. See through door 6. Door seals sealing surfaces 7. Coupling 8. Door open button 9. Control panel 10. Waveguide cover 11. Power supply cord 12. Rating label 13.
R-210A 4 OPERA TION SEQUENCE 7-1. When the oven door is opened during or after the cycle of a cooking program, the 1st latch switch and 2nd latch switch must open their (COM-NO) contacts first. After that the contacts (COM-NC) of the monitor switch can be closed.
R-210A 5 FUNCTION OF IMPORT ANT COMPONENTS DOOR OPEN MECHANISM The door can be opened by pushing the open button on the control panel. When the open button is pushed, the switch lever on the latch hook is moved upward, operating the latch head. The latch head is moved upward, and released from the latch hook.
R-210A 6 Note: The ON/OFF time ratio does not exactly corre- spond to the percentage of microwave power, because approx. 2 seconds are needed for heat- ing up the magnetron filament. SER VICING WARNING TO SERVICE PERSONNEL Microwave ovens contain circuitry capable of producing very high voltage and current.
R-210A 7 MAGNETRON POWER TRANSFORMER H.V. RECTIFIER ASSEMBLY HIGH VOLTAGE CAPACITOR 1ST. LATCH SWITCH 2ND. LATCH SWITCH MONITOR SWITCH TEMPERATURE FUSE 120˚C (OVEN) THERMAL CUT-OUT 95˚C (MG) TIMER MOTOR TIMER CONTACT TIMER VARI.
R-210A 8 CARRY OUT 3D CHECKS. Isolate the magnetron from the high voltage circuit by removing all leads connected to the filament terminal. To test for an open circuit filament use an ohmmeter to make a continuity test between the magnetron filament terminals, the meter should show a reading of less than 1 ohm.
R-210A 9 1000g 1000g 1000g T1˚C T2˚C Heat up for 62 sec. Initial temperature .................................................................................................. T1 = 11 ° C Temperature after (60 + 2) = 62 sec. .......................
R-210A 10 TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST CAUTION: 1˚C CORRESPONDS TO 60 WATTS. REPEAT MEASUREMENT IF THE POWER IS INSUFFICIENT. 1 l 1 l (T1 C) (T2 C) 1 l 1 l (T1 C) (T2 C) CARRY OUT 3D CHECKS. A. Isolate the high voltage capacitor from the circuit.
R-210A 11 TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST CARRY OUT 3D CHECKS. If the fuse 13A is blown when the door is opened, check the 1st latch switch, 2nd latch switch, monitor switch and monitor resistor. E SWITCH TEST Isolate the switch to be tested and using an ohmmeter check between the terminals as described in the following table.
R-210A 12 TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST If the fuse 13A is blown by incorrect door switching replace the defective switch(es) and the fuse 13A. If the fuse 13A is blown, there is a shorts or grounds in electrical parts or wire harness.
R-210A 13 COMPONENT REPLA CEMENT AND ADJUSTMENT PROCEDURE WARNING: Avoid possible exposure to microwave energy. Please follow the instructions below before operating the oven. 1. Disconnect oven from power supply. 2. Make sure that a definite” click” can be heard when the microwave oven door is unlatched.
R-210A 14 HIGH VOLTAGE COMPONENTS REMOVAL (HIGH VOLTAGE CAPACITOR, HIGH VOLTAGE RECTIFIER ASSEMBLY AND H.V. FUSE) To remove the components, proceed as follows. 1. CARRY OUT 3D CHECKS. 2. Disconnect the H.V. fuse from the power transformer. 3. Disconnect the H.
R-210A 15 POWER SUPPLY CORD REPLACEMENT Removal 1. CARRY OUT 3D CHECKS. 2. Disconnect the wire leads from the power supply cord. 3. Remove the one (1) screw holding the power supply cord to the oven cavity back plate. 4. Remove the power supply cord from the oven cavity back plate.
R-210A 16 CAUTION: • Do not re-use the removed fan blade be- cause the hole (for shaft) may be lager than normal. 9. Remove the two (2) screws holding the fan motor to the fan duct. 10. Now, the fan motor is free. INSTALLATION 1. Install the fan motor to the fan duct with the two (2) screws.
R-210A 17 flange of the oven front face. 2. With the door closed, adjust latch hook by moving it back and forth and up and down. In and out play of the door allowed by the upper and lower position of the latch hook should be less than 0.
R-210A 18 ture, light or sensing of gentle warm air movement around oven door is not abnormal and do not of themselves indicate a leakage of microwave en- ergy from oven cavity. UPPER OVEN HINGE PIN DOOR PANEL CHOKE COVER PIN LOWER OVEN HINGE Figure C-8.
R-210A 19 MICR O W A VE MEASUREMENT After adjustment of door latch switches, monitor switch and door are completed individually or collectively, the following leakage test must be performed with a survey instrument and it must be confirmed that the result meets the requirements of the performance standard for micro- wave oven.
R-210A 20 NOTE: " " indicates components with potential above 250V. SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. TIMER KNOB AT "0" POSITION. SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED. 2. VARIABLE COOKING CONTROL "HIGH" 3.
R-210A 21 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 WHT RED GRY W H T G R Y R E D BLK RED ORG BLU GRY RED TEMP. FUSE 120˚C (OVEN) 1ST LATCH SWITCH MONITOR SWITCH 2ND LATCH SWITCH TURNTABLE MOTOR N.
R-210A 22 P ARTS LIST Note: The parts marked " ∆ " may cause undue microwave exposure. The parts marked "*" are used in voltage more than 250V. REF. NO. PART NO. DESCRIPTION Q'TY CODE * * ∆ * * * ∆ ∆ ∆ ∆ ∆ ELECTRIC PARTS 1- 1 QSWTEA126WRE0 Timer motor 30min.
R-210A 23 Note: The parts marked " ∆ " may cause undue microwave exposure. The parts marked "*" are used in voltage more than 250V.
R-210A 24 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 7-8 4-19 1-5 1-10 4-13 4-3 4-2 4-15 1-13 7-2 1-9 7-9 2-1 6-6 6-5 4-12 7-7 7-7 7-7 7-7 7-9 4-5 4-20 4-14 1-4 7-8 7.
R-210A 25 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 DOOR PARTS MISCELLANEOUS CONTROL PANEL PARTS 5-3 5-2 3-2 3-4 3-3 7-1 3-5 3-1 1-1 5-4 5-5 6-4 5-7 5-7 5-6 5-8 5-1 5-7 Actual wire harness may be different than illustration.
R-210A 26 '97SHARP CORP. (11K0.100E) Printed in Japan.
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