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R-211A

TABLE OF CONTENTS

Page

CAUTION, MICROWAVE RADIATION ..............................................................................................................  1
WARNING ............................................................................................................................................................ 1
PRODUCT SPECIFICATIONS ...........................................................................................................................  2
GENERAL INFORMATION ................................................................................................................................. 2
APPEARANCE VIEW .........................................................................................................................................  3
OPERATION SEQUENCE .................................................................................................................................  4
FUNCTION OF IMPORTANT COMPONENTS ................................................................................................... 5
SERVICING ........................................................................................................................................................ 6
TEST PROCEDURE ..........................................................................................................................................  8
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE .............................................................  13
MICROWAVE MEASUREMENT ......................................................................................................................  19
WIRING DIAGRAM ..........................................................................................................................................  20
PICTORIAL DIAGRAM .....................................................................................................................................  21
PARTS LIST ...................................................................................................................................................... 22

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

MODEL

R-211A

S5709R211APX/

MICROWAVE OVEN

SHARP CORPORATION

SERVICE MANUAL

OPEN DOOR

COOKING CONTROL

TIMER

0

5

20

25

10

15

0.5 kg

30

1 kg

DEFROST (Kg)

M

ED

DEFRO

S

HIGH

1
2
3
...
»

Содержание R-211A

Страница 1: ...NENT REPLACEMENT AND ADJUSTMENT PROCEDURE 13 MICROWAVE MEASUREMENT 19 WIRING DIAGRAM 20 PICTORIAL DIAGRAM 21 PARTS LIST 22 In interests of user safety the oven should be restored to its original condition and only parts identical to those specified should be used MODEL R 211A S5709R211APX MICROWAVE OVEN SHARP CORPORATION SERVICE MANUAL OPEN DOOR COOKING CONTROL TIMER 0 5 20 25 10 15 0 5 kg 30 1 kg...

Страница 2: ...R 211A ...

Страница 3: ...vice without a microwave energy absorbing load attached Never look into an open waveguide or antenna while the device is energized WARNING Never operate the oven until the following points are ensured A The door is tightly closed B 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 not any other visible damage with the o...

Страница 4: ...pth 357 mm Cooking Cavity Dimensions Width 285 mm Height 178 mm Depth 316 mm Turntable diameter 272mm Control Complement 30 min Single Speed Timer Microwave Power for Variable Cooking Repetition Rate HIGH Full power throughout the cooking time MEDIUM DEFROST approx 45 of FULL Power Set Weight Approx Approx 14 kg GENERAL INFORMATION WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT THE WIRES IN THIS...

Страница 5: ... TIMER OPEN DOOR 0 5 20 25 10 15 0 5 kg 30 1 kg DEFROST Kg M ED DEFROS HIGH VARIABLE COOKING CONTROL There are power levels The approximate percentage of microwave power for each setting is HIGH 100 MEDIUM DEFROST 45 TIMER 0 30 min Turn to set cooking time DOOR OPEN BUTTON COOKING CONTROL TIMER OPEN DOOR 0 5 20 25 10 15 0 5 kg 30 1 kg DEFROST Kg M ED DEFROS T HIGH MEAT DEFROST GUIDE Inner scale CO...

Страница 6: ...H V capacitor Timer motor Magnetron H V rectifier Fan motor Turntable motor Oven lamp 2 Rated voltage is supplied to the primary winding of the power transformer The voltage is converted to about 3 3 volts A C output on the filament winding and high voltage of approximately 2000 volts A C on the sec ondary winding 3 The filament winding voltage 3 3 volts heats the magnetron filament and the high v...

Страница 7: ... improper setting of cook time or failure of control unit Under normal operation the temp fuse remains closed However when abnormally high temperatures are reached within the oven cavity the temp fuse will open at 120 C causing the oven to shut down The defective fuse must be replaced with a new one THERMAL CUT OUT 95 C MAGNETRON The thermal cut out located on the top of the oven cavity is designe...

Страница 8: ...in some cases be necessary to connect the supply after the outercase hasbeenremoved inthiseventcarryout 3D checks and then disconnect the leads to the primary of the power transformer Ensure that these leads remain isolated from other components and the oven chassis Use insulation tape if necessary When the testing is completed carry out 3D checks and reconnect the leads to the primary of the powe...

Страница 9: ...d in oven load Micro wave power control is set at HIGH position and turnta ble motor operates Oven does not operate prop erly in another position ex cept HIGH position POSSIBLE CAUSE AND DEFECTIVE PARTS TEST PROCEDURE OFF CONDITION CONDITION MAGNETRON POWER TRANSFORMER H V RECTIFIER ASSEMBLY HIGH VOLTAGE CAPACITOR 1ST LATCH SWITCH 2ND LATCH SWITCH MONITOR SWITCH TEMPERATURE FUSE 120 C OVEN THERMAL...

Страница 10: ...ty vessel are at ambient temperature prior to the start of the test 3 Temperature of the water The initial temperature of the water is 10 2 C 4 Select the initial and final water temperature so that the maximum difference between the final water temperature and the ambient temperature is 5 C 5 Select stirring devices and measuring instruments in order to minimize addition or removal of heat 6 The ...

Страница 11: ... output power The equation is P 70 x T P 70 x 10 C 700 Watts JUDGMENT The measured output power should be at least 15 of the rated output power CAUTION 1 C CORRESPONDS TO 70 WATTS REPEAT MEASUREMENT IF THE POWER IS INSUFFICIENT a Primary winding 1 9 ohms approximately b Secondary winding 162 ohms approximately c Filament winding less than 1 ohm C HIGH VOLTAGE RECTIFIER ASSEMBLY TEST TEST PROCEDURE...

Страница 12: ...inal Connection of Switch Plunger Operation COM to NO COM to NC Released Open circuit Short circuit Depressed Short circuit Open circuit If incorrect readings are obtained make the necessary switch adjustment or replace the switch CARRY OUT 4R CHECKS F MONITOR RESISTOR TEST CARRY OUT 3D CHECKS Disconnect the leads from the monitor resist Using an ohmmeter and set on a low range Check between the t...

Страница 13: ...the motor Using an ohmmeter check the resistance between the two terminals as described in the table below Table Resistance of Motor Motors Resistance Fan motor Approximately 330 ohms Turntable motor Approximately 12 kohms If incorrect readings are obtained replace the motor CARRY OUT 4R CHECKS J TIMER MOTOR WITH DEFROST SWITCH TEST CARRY OUT 3D CHECKS before any of the following timer tests TIMER...

Страница 14: ...components and the oven chassis use insulation tape if necessary Do not disconnect leads from terminals 1 and 2 4 Securely clip the leads of an ohmmeter across terminals 1 and 3 of the timer Make sure the meter can be read easily without being touched during the test 5 Close the door of the oven 6 Connect the supply 7 Set the TIMER to several minutes 8 Without touching the meter or any part of the...

Страница 15: ...S CABINET PARTS CONTROL PANEL PARTS DOOR PARTS when carrying out any of the following removal procedures OUTER CASE REMOVAL 6 Discharge the H V capacitor before carrying out any further work 7 Do not operate the oven with the outer case removed N B Step 1 2 and 6 form the basis of the 3D checks CAUTION DISCHARGEHIGHVOLTAGECAPACITOR BEFORE TOUCHING ANY OVEN COMPO NENT OR WIRING HIGH VOLTAGE COMPONE...

Страница 16: ...with the flat type small screw driver 3 Tear the cushion from the light mount plate 4 Bend the tab of the light mount plate holding the oven 5 Lift up the oven lamp socket 6 Now the oven lamp socket is free Figure C 2 Oven lamp socket POWER SUPPLY CORD REPLACEMENT Removal 1 CARRY OUT 3D CHECKS 2 Remove the single 1 screw holding the green yellow wire to the oven cavity 3 Disconnect the brown wire ...

Страница 17: ...cavity TURNTABLE MOTOR REPLACEMENT 9 Remove the O ring and washer from the turntable motor 10 Now the turntable motor is free Re install 1 Remove the any sharp edges on the turntable motor cover and the bottom plate with the cutting pliers 2 Re install the O ring 3 Apply the grease Shinetsu silicone grease G 420 of Sinetsu Chemical Co Ltd or Toray Silicone grease SH 14 of Toray Silicone Co Ltd to ...

Страница 18: ...e 2 Applythescrewlocktightintothehole forshaft ofthe fan blade 3 Install the fan blade to the shaft of fan motor by pushing the fan blade with a small light weight ball peen hammer or rubber mallet CAUTION Do not hit the fan blade strongly when installed because the bracket may be transformed Make sure that the fan blade rotates smooth after installed Make sure that the axis of the shaft is not sl...

Страница 19: ...results play in the door should be less than 0 5mm 2 The 1st latch switch and 2nd latch switch interrupt the circuit before the door can be opened 3 The monitor switch contacts close when the door is opened 4 Re install outer case and check for microwave leakage around the door with an approved microwave survey meter Refer to Microwave Measurement Procedure LATCH HOOK LATCH HEADS DOOR MONITOR SWIT...

Страница 20: ...oward cavity face plate 4 Check for microwave leakage around door with an approved microwave survey meter Refer to Micro wave Measurement Procedure 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 Th...

Страница 21: ...rowave ovens must be used for test ing Recommended instruments are NARDA 8100 NARDA 8200 HOLADAY HI 1500 SIMPSON 380M 2 Place the oven tray into the oven cavity 3 Place the load of 275 15ml of water initially at 20 5 C in the centre of the oven tray The water container should be a low form of 600 ml beaker with inside diameter of approx 8 5cm and made of an electrically non conductive material suc...

Страница 22: ... MONITOR SWITCH TTM 220V 50Hz THERMAL CUT OUT 95 C MG TEMPERATURE FUSE120 C OVEN MONITOR FUSE M6 3A H V RECTIFIER CAPACITOR 0 86µ AC2000V 2ND LATCH SWITCH POWER SELECT SWITCH DEFROST SWITCH MAIN SWITCH 1ST LATCH SWITCH OVEN LAMP OL FM TM 4 1 2 3 BLU BRN G Y 18 EARTH FAN MOTOR TURNTABLE MOTOR POWER TRANSFORMER MAGNETRON MONITOR RESISTOR 0 8 20W MONITOR SWITCH TTM 220V 50Hz THERMAL CUT OUT 95 C MG T...

Страница 23: ... C MG TIMER MOTOR BLK RED RED WHT NO RED R E D SCREW CONNECTOR OVEN CAVITY BACK PLATE POWER SUPPLY CORD BLK WHT HIGH VOLTAGE COMPONENTS MAGNETRON FUSE M6 3A HIGH VOLTAGE CAPACITOR H V RECTIFIER FAN MOTOR GRY ORG POWER TRANSFORMER HIGH VOLTAGE WIRE B WHT GRY WHT BLU BRN GRY RED ORG WHT OVEN LAMP AND SOCKET Black Mark NOTE Neutral WHT wire must be connected to the terminal with black mark on the ove...

Страница 24: ...3 5 MSPRCA050WRE0 Open button spring 1 AB 3 6 LSTY A080WRE0 Timer knob retainer 1 AB 3 7 QSW MA111WRE0 Power select switch 1 AK OVEN PARTS 4 1 PHOK A086WRF0 Latch hook 1 AQ 4 2 LANGQA433WRW0 Light mount plate 1 AE 4 3 PCUSUA237WRP0 Waterproof cushion 1 AF 4 4 LBNDKA038WRP0 Capacitor holder 1 AF 4 5 NFANJA029WRE0 Fan blade 1 AL 4 6 PDUC A623WRP0 Fan duct 1 AK 4 7 FOVN A361WRT0 Oven cavity 1 BB 4 8 ...

Страница 25: ...13 TLABSA022WRR0 Fuse label M6 3A 1 AK SCREWS NUTS AND WASHERS 7 1 XEPSD30P08XS0 Screw 3mm x 8mm 1 AA 7 2 XOTSD40P12000 Screw 4mm x 12mm 4 AA 7 3 XFPSD40P08K00 Screw 4mm x 8mm 7 AA 7 4 LX EZA042WRE0 Special screw 2 AB 7 5 LX WZA028WRE0 Washer 1 AB 7 6 XFPSD30P06000 Screw 3mm x 6mm 1 AA 7 7 XHTSD40P08RV0 Screw 4mm x 8mm 2 AA 7 8 XOTSD40P12RV0 Screw 4mm x 12mm 11 AA 7 9 XOTSE40P08000 Screw 4mm x 8mm...

Страница 26: ... 13 7 2 4 2 4 13 7 3 1 17 7 9 2 1 7 8 7 8 7 8 7 8 7 9 4 5 7 2 7 3 6 6 6 7 4 6 4 14 7 7 7 7 6 12 6 11 1 8 7 8 7 3 1 7 4 4 1 6 4 9 7 2 4 1 1 2 1 2 1 3 4 10 4 12 1 16 7 4 4 8 7 8 2 3 2 3 7 8 7 8 7 8 2 2 4 15 7 3 1 14 4 16 7 5 4 11 4 7 6 1 6 2 1 12 1 9 1 15 1 18 7 6 4 17 1 5 7 2 7 3 1 10 6 13 1 11 7 10 ...

Страница 27: ... 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS MISCELLANEOUS DOOR PARTS 5 1 5 8 5 3 5 6 5 7 5 2 5 4 5 9 5 5 Actual wire harness may be different than illustration 6 11 6 5 6 10 6 4 3 2 3 5 3 3 3 4 3 1 1 1 3 7 3 6 7 1 ...

Страница 28: ...R 211A 26 97SHARP CORP 6K0 070E Printed in Japan ...

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