Sharp R-203BW Скачать руководство пользователя страница 32 | Manualshive

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R-203BW
R-209BK
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Figure S-3. Printed Wiring Board

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Содержание R-203BW

Страница 1: ...URE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 4 OPERATION 6 TROUBLESHOOTING GUIDE 9 TEST PROCEDURE 10 TOUCH CONTROL PANEL 18 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 22 PICTORIAL DIAGRAM 28 CONTROL PANEL CIRCUIT 29 PRI...

Страница 2: ...ation 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 releasing oven to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per...

Страница 3: ...ltage capacitor 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 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 capacitor 4...

Страница 4: ...in the center of the oven cavity 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 Theplacingofthisstandardloadintheovenisimportantnotonlytoprotecttheoven butalsotoinsurethatanyleakage is measured accurately 4 Set the cooking control on Full Power Cooking Mode ...

Страница 5: ...door packing is not damaged D The door is not deformed or warped E There is not any other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresent a risk of electrical shock only during servicing Service personnel Do not contact the following parts while the appliance is energized Hi...

Страница 6: ... frequency 2450 MHz Case Dimensions Width 18 1 8 Height 11 3 8 Depth 14 5 8 Cooking Cavity Dimensions Width 12 3 8 0 7 Cubic feet Height 7 7 8 Depth 12 5 8 Control Complement Touch Control System Clock 1 00 12 59 Timer 0 99 minutes 99 seconds Microwave Power for Variable Cooking Repetition Rate P HI Full power throughout the cooking time P 90 approx 90 of FULL Power P 80 approx 80 of FULL Power P ...

Страница 7: ...e it can be pulled on by children or tripped over accidentally 3 Pronged Plug Grounded Receptacle Box Grounding Pin 3 Pronged Receptacle OVEN DIAGRAM 1 Oven door with see through window 2 Safety door latches 3 Door hinges 4 Door seals and sealing surfaces 5 Turntable motor shaft 6 Removable turntable support 7 Removable turntable 8 Ventilation openings Rear 9 Oven lamp 10 Wave guide cover 11 Power...

Страница 8: ...dwiththefollowing results The circuits to the oven lamp turntable motor the cooling fan motor and the high voltage components are de energized and the digital read out displays the time still remaining in the cook cycle when the door was opened 7 Themonitorswitchiselectricallymonitoringtheoperation of the secondary interlock switch and primary interlock relay RY2 and is mechanically associated wit...

Страница 9: ...MAGNETRON CAPACITOR 0 86µF C T FUSE 120V AC 60 Hz OVEN LAMP TURN TABLE MOTOR FAN MOTOR MONITOR SWITCH SECONDARY INTERLOCK SWITCH TTM OL FM GRN A3 COM N O DOOR SENSING SWITCH B1 B2 RY 1 RY 2 CONTROL UNIT PRIMARY INTERLOCK RELAY MAGNETRON THERMAL CUT OUT A1 POWER TRANSFORMER RECTIFIER MAGNETRON CAPACITOR 0 86µF C T FUSE 120V AC 60 Hz OVEN LAMP TURN TABLE MOTOR FAN MOTOR MONITOR SWITCH SECONDARY INTE...

Страница 10: ...N BEFORE REPLACING A BLOWN C T FUSE TEST THE DOOR SENSING SWITCH PRI MARY INTERLOCK RELAY RY2 SECOND ARY INTERLOCK SWITCH AND MONITOR SWITCH FOR PROPER OPERATION RE FER TO CHAPTER TEST PROCEDURE NOTE C T FUSE AND MONITOR SWITCH ARE REPLACED AS AN ASSEMBLY TURNTABLE MOTOR The turntable motor rotates the turntable located on the bottom of the oven cavity so that the food on the turntable is cooked e...

Страница 11: ...K0 as an assembly IMPORTANT Wherever troubleshooting is performed with the power supply cord disconnected It may in some cases be necessary to connect the power supply cord after the outer case has been removed in this event 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 leads to the primary of the...

Страница 12: ...en power cord is plugged into wall receptacle All letters and indicators do not ap pear in display when power cord is first plugged into wall outlet Display does not operate properly when STOP CLEAR key is touched Buzzer should sound and time of day should appear in display C T fuse blows when the door is opened Fan motor does not operate All other electric components function Oven lamp does not l...

Страница 13: ...erforming a water temperature rise test This test shouldonlybeusedifabovetestsdonotindicateafaultymagnetronandthereisnodefectinthefollowing componentsorwiring siliconrectifier highvoltagecapacitorandpowertransformer Thistestwillrequire a 16 ounce 453cc measuring cup and an accurate mercury thermometer or thermocouple type temperature tester For accurate results the following procedure must be foll...

Страница 14: ...he cooling fan air guide 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions CAUTION IFTHETHERMALCUT OUTINDICATESANOPENCIRCUITATROOMTEMPERATURE REPLACE THERMAL CUT OUT C HIGH VOLTAGE RECTIFIER TEST 1 Disconnect the power supply cord and then remove ...

Страница 15: ...cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions PRIMARY INTERLOCK SYSTEM TEST DOOR SENSING SWITCH 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 Isolatetheswitchandconnecttheohmmetertothecommon COM andnormallyopen NO terminal of the switch The met...

Страница 16: ...E THE C T FUSE 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions The touch control panel consists of circuits including semiconductors such as LSI ICs etc Therefore unlike conventional microwave ovens proper maintenance cannot be performed with on...

Страница 17: ...e capacitor 4 Reconnect all leads removed from components during testing 5 Re install the outer case cabinet 6 Reconnect the power supply cord after the outer case is installed 7 Run the oven and check all function TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST J KEY UNIT TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage ...

Страница 18: ...common terminal of the relay RY2 on the control unit with an A C voltmeter The meter should indicate 120 volts if not check oven circuit RY1 and RY2 Relay Test These relays are operated by D C voltage Check voltage at the relay coil with a D C voltmeter during the microwave cooking operation DC voltage indicated Defective relay DC voltage not indicated Check diode which is connected to the relay c...

Страница 19: ... the troubleshooting guide given below if indicator does not light up after above check and repairs are finished 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 leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using ins...

Страница 20: ...state when power is supplied 2 Indicator Circuit This circuit consists of 4 digits 12 segments and 3 common electrodes using a Liquid Crystal Display TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL 3 Power Source Circuit This circuit generates voltage necessary in the control unitfromtheAClinevoltage Inaddition thesynchronizing signal is available in order to compose a basic standard t...

Страница 21: ... touched a corresponding signal will be input into R60 16 R63 IN Signal similar to R60 When either G7 line on key matrix is touched a corresponding signal will be input into R60 17 AIN0 IN To input signal which communicates the door open close information to LSI Door close H level signal 0V Door open L level 5V 18 20 AIN1 AIN3 IN Terminal to change functions according to the Model By using the A D...

Страница 22: ... R63 terminal while one of G2 line keys on key matrix is touched 32 R92 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to R60 R63 terminal while one of G1 line keys on key matrix is touched 33 XIN IN Internal clock oscillation frequency setting input The internal clock frequency is set by inserting the capacitor resistor oscillation circuit with respect to XOUT t...

Страница 23: ...self 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 thosemodels therefore itispossibletocheckandrepai...

Страница 24: ...pacitor and High voltage rectifier assembly 2 Hot parts Oven lamp Magnetron High voltage transformer and Oven cavity WARNING FOR WIRING 1 Disconnect the power supply cord 2 Visuallycheckthedoorandcavityfaceplatefordamage dents cracks signs of arcing etc Carry out any remedial work that is necessary before operating the oven Do not operate the oven if any of the following conditions exist 1 Door do...

Страница 25: ... RECTIFIER WHEN REPLACING IT RE PLACE HIGH VOLTAGE RECTIFIER ASSEM BLY HIGH VOLTAGE COMPONENTS REMOVAL HIGH VOLTAGE CAPACITOR AND HIGH VOLTAGE RECTIFIER ASSEMBLY POWER TRANSFORMER REMOVAL 1 Disconnect the power supply cord and remove outer case 2 Open the oven door and block it open 3 Discharge high voltage capacitor 4 Disconnect the wire leads main wire harness and H V wire from power transformer...

Страница 26: ...n the oven over 4 Cut the four 4 bridges holding the turntable motor cover to the bottom plate with the cutting pliers as shown in Figure C 3 CAUTION DO NOT DROP THE TURNTABLE MOTOR COVER INTO THE OVEN AFTER CUTTING THE BRIDGES BECAUSE IT WILL DAMAGE THE WIRE LEADS OF THE MOTOR AND IT IS DIFFICULT TO REMOVE IT OUT OF THE OVEN 5 Remove the turntable motor cover from the bottom plate 6 Disconnect th...

Страница 27: ...table 4 Apply the screw lock tight into the hole for shaft of the fan blade 5 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 sh...

Страница 28: ... sensing switch and secondary interlock switch open within 1 6mm gap between right side of cavity face plate and door when door is open 5 Re install outer case and check for microwave leakage around the door with an approved microwave survey meter Refer to Microwave Measurement Procedure Latch Heads Latch Hook Door Door Sensing Switch Monitor Switch Secondary Interlock Switch Figure C 6 Latch Swit...

Страница 29: ...secondary interlock switch and monitor switch are operating properly Refer to chapter Test Procedures B An approved microwave survey meter should be used to assure compliance with proper microwave radiation emission limitation standards After any service make sure of the following 1 Door latch heads smoothly catch latch hook through latch holes and that latch head goes through center of latch hole...

Страница 30: ...TE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw must allways be kept tight NOTE The neutral WHT wire must be connected to the terminal with N mark on the power supply cord RED WHT DOOR SENSING SWITCH GRY RED POWER TRANSFORMER HIGH VOLTAGE WIRE B BLK Blue Mark NOTE Hot RED wire must be connected to the terminal with blue mark on the ...

Страница 31: ...9 15k R60 15k R64 220k R63 220k R62 220k R61 220k C64 C63 C62 C61 C61 C64 330pF 50v x 4 G10 G 9 G 8 G 7 G 6 G 5 G 4 G 3 G 2 G 1 R55 15k R54 15k R53 15k R52 15k R51 15k R50 15k R80 15k 0 9 7 8 5 6 1 2 4 3 START MINUTE PLUS EXPRESS DEFROST POWER LEVEL STOP CLEAR TIMER CLOCK POPCORN BEVERAGE BAKED POTATO DINNER PLATE FRESH VEGETABLES ROLL MUFFIN IC1 IZA868DR 1 42 40 22 25 30 35 10 5 15 21 SEG 0 SEG 1...

Страница 32: ...B 3 1 1 1 3 2 2 4 S P B Q1 Q22 D22 Q30 R59 R60 R58 R57 R40 R4 C40 D3 D20 D40 CN B AC N FM TTM OL RY1 DOOR SW C4 C6 C71 D5 C3 ZD1 R1 R30 SP30 C5 R70 C70 CF1 R41 R51 R50 R52 R54 R53 R55 DIP 22 B B Q20 Q21 VRS1 C21 D1 D4 D2 C2 C1 T1 C20 R20 R5 RY2 D21 10 E E 6 42 1 IC1 4 21 9 3 1 R61 R62 R63 R64 C61 C63 C64 C62 2 F 11 J7 J5 J3 J6 J4 J2 J1 8 R ...

Страница 33: ...CKYD11CY103N Capacitor 0 01 uF 16V 1 AH C4 VCEAB31CW476M Capacitor 47 uF 16V 1 AA C5 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AB C6 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AH C20 VCEAB31HW104M Capacitor 0 1 uF 50V 1 AB C21 VCEAB31VW106M Capacitor 10 uF 35V 1 AB C40 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AH C61 64 VCKYD11HB331K Capacitor 330 pF 50V 4 AA C70 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AH C71 VCC...

Страница 34: ...R 203BW 1 AY 5 2 GWAKPA552WRF0 Door frame R 209BK 1 AY 5 2 GWAKPA551WRF0 Door frame R 220BW 1 AY 5 3 HPNL A686WRR0 Door screen 1 AY 5 4 LSTPPA175WRF0 Latch head 1 AE 5 5 MSPRTA084WRE0 Latch spring 1 AB 5 6 PSHEPA622WRE0 Sealer film 1 AG 5 7 GCOVHA390WRF0 Choke cover 1 AK 5 8 XCPSD40P08000 Screw 4mm x 8mm 4 AA MISCLANEOUS 6 1 FROLPA085WRK0 Turntable support 1 AS 6 2 NTNT A094WRE0 Turntable 1 AN 6 3...

Страница 35: ...r filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION Order Parts from the authorized SHARP parts Distributor for your area Defective parts required return should be returned as indicated in the Service Policy ...

Страница 36: ...CABINET PARTS 7 4 2 1 7 4 7 10 7 10 7 9 7 5 4 6 4 4 4 9 7 1 7 8 7 7 4 10 7 1 1 12 7 4 7 8 7 4 4 1 2 2 2 3 7 8 7 8 4 13 2 3 7 2 4 16 7 3 1 10 6 11 1 11 7 5 7 4 1 3 1 7 7 6 1 1 1 1 1 2 1 6 1 5 7 9 7 1 1 8 6 10 6 10 6 9 1 2 7 8 1 9 1 4 4 3 4 2 4 14 4 7 4 11 6 12 6 2 6 1 4 15 4 8 6 7 4 5 4 12 4 17 ...

Страница 37: ...SCELLANEOUS 5 3 6 5 6 6 5 5 5 2 5 4 5 8 5 8 5 6 5 7 5 1 Actual wire harness may be different than illustration 3 2 6 8 3 2 2 3 2 1 3 3 3 1 3 4 3 4 3 4 Befor attaching Control unit to Control panel Foil side of Control unit must be cleaned by ethyl alcohol CONTROL PANEL PARTS DOOR PARTS ...

Страница 38: ...EN CAVITY Not replaceable items TRAY PAD ASSY CPADBA244WRK0 PACKING CASE MICROWAVE OVEN TOP PAD ASSEMBLY FPADBA375WRK0 POLYETHYLENG BAG SSAKHA014WRE0 DOOR PROTECTION SHEET SPADPA580WRE0 SPAKCD032WRE0 R 209BK SPAKCD033WRE0 R 220BW SPAKCD052WRE0 R 203BW BOTTOM PAD ASSEMBLY FPADBA376WRK0 CABINET COVER SPAKHA008WRE0 ...

Страница 39: ...37 R 203BW R 209BK R 220BW ...

Страница 40: ...HT 1997 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval systems or transmitted in any form or by any means electronic mechanical pho tocopying recording or otherwise without prior written permission of the publisher ...

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