Sharp R-8200E Скачать руководство пользователя страница 43 | Manualshive

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Содержание R-8200E

Страница 1: ...W Service Manual SHARP IMICROWAVE OVEN R 8200E In the interests of user safety the set should be restored to its original condition and only parts identical to those specified used ...

Страница 2: ......

Страница 3: ...ENERAL manual and then carefully study this book CAUTION MICROWAVE RADiATlON Personnel should not be exposed to the microwave energy which may radiate from the magnetron or other microwave generating devices if it is improperly used or connected All input and output microwave connections waveguides flanges and gaskets must be secured Never operate the device without a microwave energy absorbing lo...

Страница 4: ...res 13 Magnetron Assembly Test 13 Power Transformer Test 13 Primary Interlock Switch Upper Latch Switch Test 14 Secondary Interlock Switch Lower Latch Switch Test 14 Therm0 Cut out Test 14 Vari switch Test I4 Vari motor Test 14 Browning Element Test 14 Surge Limiting Relay Test 15 CHAPTER IV CGMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURES 16 Warning I6 Outer Case Removal 16 Turntable Motor Removal...

Страница 5: ...y Interlock Switches Adjustment 22 Door Replacement and Adjustment 23 Sheath Heater Replacement Sheath Heater Removal Sheath Heater Re installation Heater Cable Adjustment MICROWAVE MEASUREMENT Requirement Preparation for Testing SCHEMATIC DIAGRAM Continental Europe Model South African Model Australian and U K Models RELAYCONNECTION PARTS LIST 24 24 24 25 26 26 26 27 27 28 29 30 31 ...

Страница 6: ...able Height System Weight 1 4kW 600W 2 litre water load 1 3kW 600mm 420mm including feet 5 1Omm including cord holder and excluding door open lever 380mm 220mm with tray installed 390mm Cook Switch 36 min Dual speed timer Microwave timer 24 min Single speed timer Browner timer _ Variable Cooking Mode Selector Repetition Rate FuII Power Full power through out the cooking time Defrost 9 sec ON 21 se...

Страница 7: ... position control knob has to be placed fully to the left Notes 1 The door cannot be opened without setting the browner heater at the highest position 2 If the oven door is opened during the cooking operation the oven will go out of the cook cycle and the timer will stop This is done so the exact cooking time remains on the timer To restore cooking operation the door must be closed and cook button...

Страница 8: ...completion of the selected cooking time the timer bell rings once and the timer switch is deactivated The oven is reverted to the off condition B Defrost Simmer and Roast Condition When the cook switch is depressed and the variable cooking mode selector is set to DEFROST SIMMER or ROAST position the following operation occurs B 1 Above A 1 A 2 and A 3 operations occur B 2 The vari motor rotates at...

Страница 9: ...0 CUT OUT COOK SWITCH PRIMARY INTERLOCK UPPER LATCH PROTECTOR SCHEMATIC NOTES CONDITION OF OVEN 1 MAIN SWITCH ON 2 DOOR CLOSED 3 MICROWAVE TIMER Figure 1 Oven Schematic Cooking Condition Continental Europe Model 4 BROWNER TIMER OFF 5 COOK SWITCH ON 6 VARIABLE COOK ING MODE FULL POWER 7 ...

Страница 10: ...be adjusted by moving the browner position control knob Upper Latch Hook Lever Assembly SHEATH HEATER VARIABLE COOKING CONTROL The variable cooking control consists of the vari motor vari switch gear select lever bracket assembly etc The purpose of the vari motor is provided to rotate a cam which is going to turn the vari switch on and off within a 30 seconds time base The vari switch is operated ...

Страница 11: ...er keeping the contacts of the cook switch closed 2 If the door open lever is pushed down during cooking cycle it pushes up the switch stopper which releases the cook switch lever Accordingly the contacts of the cook switch open causing the cook cycle to stop Refer to Figure 3 3 If the door open lever is further pushed down the lock lever is pushed up actuating the latch lever to open the door Ref...

Страница 12: ...CH CONTACTS Figure 3 MONITOR DEVICE Normal Operation r AA c l 11 l l 6 III a LUUR 3VVI I Ll l LATCH LEVER LOCK LEVER bi 1_ SWITCH LEVER DOOR OPEN LEVER M ELTE D CONTACTS Figure 4 MONITOR DEVICE Operation when the Contacts of Cook Switch Melt 10 ...

Страница 13: ...ith door opened No power from service entrance Check wall outlet Timer is at 0 position and main switch is turned on Open wire in power cord or wire harness Defective main switch South African and Continental Europe models only Replace same or repair wiring Replace Blown fuse Check for short circuit and replace fuse Defective noise filter South African and Continental Europe models only Replace De...

Страница 14: ... microwave timer switch contacts Defective vari switch Defective power transformer Defective magnetron assembly Defective surge limiting relay Open or loose wire connection to the above components Procedure 8 Check wiring Procedure H on GENERAL Procedure 6 Procedure 2 Procedure 1 Procedure 9 Check wiring Microwave cooking cycle operates normally when the mode selector is set at FULL POWER position...

Страница 15: ... used if the preceding test does not indicate a faulty magnetron and there is no defect on the following components or wiring silicon rectifier high voltage capacitor and power transformer Refer to Microwave Output Power Measurement in GENERAL SERVICE MANUAL on pages 6 and 7 2 POWER TRANSFORMER TEST DISCHARGE THE HIGH VOLTAGE CAPACITOR BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING Disconnect the p...

Страница 16: ...indicates over heating of the magnetron assembly or oven cavity Check for restricted air flow to the magnetron or oven cavity through the opening in the chassis especially the cooling duct and air intake 6 7 VARI SWITCHTEST The vari switch is activated by the cam lever and cam When the variable cooking mode selector is set at FULL POWER position the cam is placed far away from the cam lever In thi...

Страница 17: ... from relay coil terminals A and B A continuity check of the surge limiting relay coil should indicate approximately 3000 ohms Check if there is a continuity between the contacts 15 and 16 of relay with the relay plunger depressed If the relay is defective check the surge limiting resistor at the same time 15 ...

Страница 18: ...about 3cm to free it from the retaining clips on cavity face plate 2 There is a broken door hinge or support 3 The door gasket or seal is damaged 4 The door is bent or warped 5 There is any defective parts in the interlock oven door or microwave generating and transmission assembly 6 There is any other visible damage to the oven C Do not operate the oven 1 Without the RF gasket 2 If the waveguide ...

Страница 19: ...e capacitor and the rectifier to the back cabinet 5 Remove the capacitor SILICON RECTIFIER REMOVAL Disconnect the oven from the power supply and 5 Remove the rectifier from the back cabinet remove the outer case 6 Remove the single 1 screw holding the grounding Discharge the high voltage capacitor wire lead to the rectifier The rectifier is now free Disconnect the wiri leads from the rectifier fro...

Страница 20: ...mbly to the waveguide while supporting the magnetron assembly from below 8 Lower the magnetron assembly until the tube is clear of the waveguide 9 Remove the magnetron assembly from the unit 10 Disconnect the filament wire leads from the magnetron 11 Remove the magnetron therm0 cut out by loosening the two 2 mounting screws The magnetron is now free CAUTION WHEN REPLACING THE MAGNETRON BE SURE THE...

Страница 21: ...GHT MICROWAVE MICROWAVE f VARI MOTOR INDICATOR LIGHT H I COOK I rn ELECT GEAR Ii kkTOR 44ICROWAVi MODE BACK PLATE TIMFR ARI SWITCH UrtN L tvtn A HCB3CIVID L I FLJ C ONTROL INDICA bR LOLK PANEL LIGHT BROWNING DEVICE BRACKET OPEN LEVER ECORATION PANEL OPEN LEVER SPRING jj COOK SWITCH SELECT KNOB ...

Страница 22: ...otor wire leads from the micro wave timer and release the wire leads from the wire holder 4 Remove the fan motor Refer to Fan Motor Removal 5 Remove the two 2 screws holding the motor to the select lever bracket 6 Slide the motor backward and remove it from the bracket VARI SWITCH REMOVAL Disconnect the oven from the power supply and remove the outer case Discharge the high voltage capacitor Disco...

Страница 23: ...atch switch assembly 4 Remove the two 2 screws holding the latch assembly to the mounting bracket 5 Remove the latch lever from the lock device Refer to Figure 8 6 Release the two 2 wire holders from the wire harness 7 Remove the latch assembly from the unit by moving it upward Replacement of individual component is as follows PRIMARY INTERLOCK SWITCH UPPER LATCH SWITCH 1 Remove the primary interl...

Страница 24: ... of hook lever pin with the door closed Figure 9 3 Secure the screws firmly After the adjustment make sure of the following points 1 The in and out play of the door remains less than 0 5 mm at latched position First check the upper latch hook position pushing and pulling the upper portion of the door toward the oven face Then check the lower latch hook pushing and pulling the lower portion of the ...

Страница 25: ...vey meter should be used to assure compliance with proper microwave radiation standards DOOR ADJUSTMENT When moving and or loosening the door assembly in such a case as door replacement the following adjustment criteria should be taken The door should be adjusted to meet the following four conditions by keeping the hinge screws loose 1 The door latch heads smoothly catch the latch hooks through th...

Страница 26: ... the heater element from the oven cavity To remove it proceed as follows Heater WireHol 1 Keep the heater eleient at the lowest position 2 Pick up the right de of the element toward upper right hand side corner of the cavity back wall and remove the right side of the element from the cavity bracket 3 Pull the right side of the element forward without making scratches on the cavity wall Take it out...

Страница 27: ...gure 13 1 5 6 See Fig With the knob set at V position the distancebetween the heater control cable C and the heater wire holder should be more than 1 mm Figure 13 2 The heater control cable A should be secured at the position where the distance between the cable holder and cable guide is 0 N 1 mm Figure 13 1 The heater control cable C should be stretched loosely Figure 13 3 The heater control cabl...

Страница 28: ... must be used for testing 4 5 6 Recommended instruments are NARDA 8 100 NARDA 8200 HOLADAY HI 1500 SIMPSON 380M Place the turntable tray into the oven cavity Place the load of 275 15ml of water with the addition of one 1 percent by weight of sodium chloride in solution initialy at 20 5 C in the centre of the oven tray The water container should be a low form of 600ml beaker with inside diameter of...

Страница 29: ... 3 s 2 TIMER MOTOR I BR 18 WIRE COLOUR CODE SYMBOL 1 R RED B BLACK w WHITE OR ORANGE BL BLUE GR GRAY BR BROWN G GREEN G Y GREEN AND YELLOW STRIPE I18 SECTIONAL AREA 0 8mmz NO INDICATION SHOWS 0 3mm2 0 SOLDERLESS JOINT 0 SOLDER JOINT m 2 P CONNECTOR m 6 P CONNECTOR HV HIGH VOLTAGE WIRE SG SILICON RUBBER INSULATION GLASS BRAIDED WIRE rr mm POWER TRANSFORMER r I 7 I L J t MAGNETRON Figure 14 Schemati...

Страница 30: ...ATH l L BR 18 ir VARI SWITCH VARI MOTOR 3 I I R I I VW 1 1LIGHT 18 1 i BR 18 Q WIRE COLOUR CODE SYMBOL R RED B BLACK W WHliE OR ORANGE BL BLUE GR GRAY BR BROWN G GREEN G Y GREEN AND YELLOW STRIPE 18 SECTIONAL AREA 0 8mm2 NO INDICATION SHOWS 0 3mm2 0 SOLDERLESS JOINT SOLDER JOINT 2 P CONNECTOR m 6 P CONNECTOR HV HIGH VOLTAGE WIRE SG SILICON RUBBER INSULATION GLASS BRAIDED WIRE POWER TRANSFORMER OVE...

Страница 31: ...R I Iw BR l8 I SG W l8 GR 18 OR ____________ VAR I SW ITCH IBR 18 WIRE COLOUR CODE SYMBOL R RED B BLACK w WHITE OR ORANGE BL BLUE GR GRAY BR BROWN G GREEN G Y GREEN AND YELLOW STRIPE 118 SECTIONAL AREA 0 8mm2 NO INDICATION SHOWS 0 3mm2 0 SOLDERLESS JOINT SOLDER JOINT 12p 2 P CONNECTOR m 6 P CONNECTOR HV HIGH VOLTAGE WIRE SG SILICON RUBBER INSULATION GLASS BRAIDED WIRE g POWER TRANSFORMER OVER CURR...

Страница 32: ...TING RELAY TERMINAL No 15 BROWN 0 8mm2 TO VARI SWITCH NORMALLY OPEN TERMINAL BROWN 0 8mm2 SURGE LIMITING RELAY TO POWER TRANSFORMER PRIMARY WINDING WHITE 0 3mm2 TO POWER TRANSFORMER PRIMARY WINDING GRAY 0 8mm2 TO SURGE LIMITING RESISTOR GRAY 0 8mm2 Figure 17 Relay Connections Continental Europe Model 30 ...

Страница 33: ... Control panel assembly complete Continental EuropeandSouth Africa United Kingdom Australia Front panel assembly Decoration panel Control panel Timer plate Cook indicator browner Cook indicator microwave Mode select cover Control panel cushion Control back plate Shielding cushion Timer knob assembly Cook switch assembly Cook switch Lock device Timer microwave 22OV Timer microwave 24OV Timer browne...

Страница 34: ... sash left assembly 1 AY 2 18 PGLSP0014YBEO Outer window 1 AX 2 19 PCOVP0082YBFO Outer window cover long 2 AD 2 20 PCOVP0083YBFO Outer window cover short 2 AD 2 21 HDECA0185YBTA Door decoration panel 1 AS 2 22 FSTPC0002YBMO Door latch plate 1 AL 2 23 LX BZ0086YBEO Screw Door ferrite cover fitting 3 AA 2 24 PCUSG0134WRPO Door base cushion 2 AB OVEN PARTS 3 l DOVN 0060YBKO Oven cavity assembly 1 BT ...

Страница 35: ...ng bracket Sack nutl heater spacer mounting right side only Oven light screen glass Latch assembly complete Latch assembly mounting plate Upper latch hook lever assembly Lower latch hook lever assembly Upper latch hook Lower latch hook Hook spring mounting plate Latch lever Hook lever Hook lever shaft Hook spring E ring 3 mm E ring 4 mm Primary interlock switch upper latch switch Secondary interlo...

Страница 36: ...ater control cable B 1 AU 3 46 PWIR 0003YBEO Heater control cable C 2 AN 3 47 LANGK0077YBWO Cable supporting bracket B 1 AC 3 48 LANGK0078YBWO Cable supporting bracket A 2 AC 3 49 LHLD 0003YBWO Cable holder same as 3 42B 5 AB 3 50 PCUSUO YBPO Magnetron cushion 1 AA 3 51 FV MZ0041YBKO Magnetron 1 BV 3 51A PGSK 0007YBEO Magnetron gasket 1 AF 3 51B PcoVWoo17wREo Magnetron terminal cover 1 AB 3 52 RTH...

Страница 37: ... sash mounting Screw heater spacer mounting Screw latch assembly mounting Screw heater choke mounting Oven therm0 cut out spacer Sheath heater 220 V Sheath heater 240 V Oven light Oven light socket Turntable motor Menu plate German Continental Europe only Menu plate French Continental Europe only CABINET PARTS Cabinet base assembly Continental Europe andsouth Africa United Kingdom and Australia Fo...

Страница 38: ...hion left 1 AA 4 24 PCUSG0064YBPO Base cabinet cushion right 1 AA 4 25 QTANP0048WREO Tab terminal 1 AG 4 26 PSLDP0008YBPO Base cabinet side cushion 1 AA 4 27 PSPA 0044YBFA Sash spacer 1 AC 4 28 QFS CQOOlYBEO Fuse 10 A 1 AE 4 29 RC PZ0032YBEO High voltage capacitor 1 BC 4 30 RTRN 0123WREO Power transformer 220 V 1 BW RTRN 0124WREO Power transformer 240 v 1 BW 4 31 PCAS 0017WRFA Plug protection case...

Страница 39: ...CONTROL PANEL PARTS ...

Страница 40: ... 7 38 ...

Страница 41: ...OVEN PARTS 3 L b fs 0 rp r z yi w _1 0 6 zJ 39 ...

Страница 42: ... C 6b C ...

Страница 43: ... 7 ...

Страница 44: ... 78 SHARP CORP ZFI 55E Printed in Japan ...

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