Sharp R-209FW Service Manual Download Page 27

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R-209(IN)
R-209(W)
R-209(Y)

SCHEMATIC

NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED.

SCHEMATIC

NOTE: CONDITION OF OVEN
1. DOOR CLOSED.

NOTE: "

" indicates components with potential above 250V.

Figure O-1 Oven Schematic-OFF Condition

Figure O-2 Oven Schematic-ON Condition

HIGH VOLTAGE

TRANSFORMER

WITH THERMAL

-OU

150˚C

MAGNETRON

H.V. RECTIFIER

CAPACITOR

0.91

AC2100V

TURNTABLE MOTOR

FAN MOTOR

COM.

N.O.

F2:

MG:

OVEN LAMP

SW2: MONITOR SWITCH

CONTROL UNIT

RY1

D72

D70

D71

TIMER MOTOR

SW3: LATCH SWITCH

MONITORED
LATCH
SWITCH

TIMER

SWITCH

TTM

EARTH

230V

50Hz

BLU

BRN

LIVE

NEUTRAL

G-Y

LINE CROSS CAPACITOR

0.068

/AC250V

NOISE SUPPRESSION COIL

LINE BYPASS

CAPACITOR

0.0022

/AC250V

LINE BYPASS

CAPACITOR

0.0022

/AC250V

NOISE FILTER

H.V. FUSE

0.6A

TF:
TEMPERATURE
FUSE (OVEN)

FUSE
T6.3A

F1:

SW1:

HIGH VOLTAGE

TRANSFORMER

WITH THERMAL

-OU

150˚C

MAGNETRON

H.V. RECTIFIER

CAPACITOR

0.91

AC2100V

TURNTABLE MOTOR

FAN MOTOR

COM.

N.O.

F2:

MG:

OVEN LAMP

SW2: MONITOR SWITCH

CONTROL UNIT

RY1

D72

D70

D71

TIMER MOTOR

SW3: LATCH SWITCH

MONITORED
LATCH
SWITCH

TIMER

SWITCH

TTM

EARTH

230V

50Hz

BLU

BRN

LIVE

NEUTRAL

G-Y

LINE CROSS CAPACITOR

0.068

/AC250V

NOISE SUPPRESSION COIL

LINE BYPASS

CAPACITOR

0.0022

/AC250V

LINE BYPASS

CAPACITOR

0.0022

/AC250V

NOISE FILTER

H.V. FUSE

0.6A

TF:
TEMPERATURE
FUSE (OVEN)

FUSE
T6.3A

F1:

SW1:

Summary of Contents for R-209FW

Page 1: ...CEDURE 10 CONTROL PANEL ASSEMBLY 15 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 18 MICROWAVE MEASUREMENT 23 TEST DATA AT A GLANCE 24 WIRING DIAGRAM 25 PICTORIAL DIAGRAM 26 CONTROL PANEL CIRCUIT 27 PRINTED WIRING BOARD 28 PARTS LIST 29 S3408R209PHW MICROWAVE OVEN MODELS R 209 IN R 209 W R 209 Y In interests of user safety the oven should be restored to its original condition and only parts ident...

Page 2: ...jos sitä käytetään tai jos se kytketään väärin Kaikkien mikroaaltoliitäntöjen sekä syöttö että ulostulopuolella aaltoputkien laippojen ja tiivisteiden tulee olla varmistettuja Mikroaaltouunnia ei koskaan saa käyttää ilman kuormaa jossa mikroaaltoenergiaa kuluu Avoimeen aaltoputkeen tai antenniin ei koskaan saa katsoa virran ollessa kytkettynä ADVARSEL MIKROBØLGESTRÅLING Personell må ikke utsettes ...

Page 3: ...has been prepared to provide Sharp Corp Service engineers with Operation and Service Information It is recommended that service engineers carefully study the entire text of this manual so they will be qualified to render satisfactory customer service WARNING Note The parts marked are used at voltage more than 250V Parts List Anm Delar märket med har en spänning överstigande 250V Huom Huolto ohjees...

Page 4: ...anning en stroom kunnen voortbrengen Contact met de volgende onderdelen kan elektrocutie tot gevolg hebben Hoogspanningscondensator hoogspanningstransformator magnetron hoogspanningsgelijkrichter hoogspannings kabelboom VERGEET DE VOLGENDE 3 STAPPEN NIET 1 Haal de stekker uit het stopcontact 2 Open de deur en zorg ervoor dat hij niet dicht kan vallen 3 Ontlaad de hoogspanningscondensator PAS OP VO...

Page 5: ...Cuando transcurran los dos minutos temporizador a cero compruebe cuidadosamente que el agua se ha calentado Si el agua permaneciese fría efectúe las comprobaciones 3D y vuelva a examinar las conexiones de los componentes que han sido probados Cuando haya terminado la intervención en el equipo y el horno haya sido ensamblado de nuevo completamente deberá comprobar la potencia de salida de microonda...

Page 6: ...In questo caso eseguire i tre controlli sopra citati e quindi scollegare i connettori dal primario del trasformatore Assicurarsi che tali connettori non vengano a contatto con altri componenti ne con il telaio del forno fare uso se necessario di nastro isolante Al termine dell intervento eseguire nuovamente i tre controlli e ricollegare i conduttori al primario del trasformatore QUATTRO VERIFICHE ...

Page 7: ... Turntable diameter 272 mm Control Complement Timer 0 30 minutes Microwave Power for Variable Cooking Repetition Rate 800W Full power throughout the cooking time 560W approx 70 of Full Power 400W approx 50 of Full Power 240W approx 30 of Full Power 80W approx 10 of Full Power Set Weight Approx 12 kg GENERAL INFORMATION WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD A...

Page 8: ...packing 5 Oven cavity 6 Door 7 Door safety latch CONTROL PANEL 8 Door hinges 9 Door seals and sealing surfaces 10 Oven lamp 11 Ventilation openings 12 Outer case 13 Power cord Turntable Roller stay Seal packing 1 Place the roller stay on the floor of the oven cavity engaging shaft into turntable motor shaft 2 Then place the turntable on the roller stay 12 11 13 5 10 9 8 7 6 4 3 7 1 2 ...

Page 9: ...NOCOOKING Monitored latch switch COM NO Closed Open Latch switch COM NO Closed Open Monitor switch COM NC Open Closed The circuits to the high voltage transformer T turntable motor TTM timer motor TM fan motor FM oven lamp OL and control unit are cut off when the contacts COM NO of the monitored latch switch SW1 and latch switch SW3 are made open The timer stops to indicate how much cooking time r...

Page 10: ...ctric shock or fire hazard HIGH VOLTAGE FUSE F2 The high voltage fuse blows when the high voltage rectifier or the magnetron is shorted TEMPERATURE FUSE TF The temperature fuse located on the top of the oven cavity is designed to prevent damage to the oven by fire FUNCTION OF IMPORTANT COMPONENTS If the food load is overcooked by either error in cook time or defect in the control unit the temperat...

Page 11: ... CONTROL UNIT RELAY RY 1 FOIL PATERN ON P W B POWER SUPPLY CORD SHORTED WIRE HARNESS OPENED WIRE HARNESS OVEN LAMP WALL OUTLET MISADJUSTMENT SWITCH HOME FUSE OR BREAKER BLOCKED COOLING FAN BLOCKED VENTILATION NOISE FILTER H V FUSE F2 Home fuse blows when power supply cord is plugged into wall outlet FUSE F1 T6 3A blows when power supply cord is plugged into wall outlet Oven does not start when the...

Page 12: ... Initial temperature T1 10 1 C Heating time 52 sec Mass of container mc 330 g T2 Final Temperature T T2 T1 P 80 x T 0 55 x mc T2 T0 52 Measuring condition 1 Container The water container must be a cylindrical borosilicate glass vessel having a maximum material thickness of 3 mm and an outside diameter of approximately 190 mm 2 Temperature of the oven and vessel The oven and the empty vessel are at...

Page 13: ...ed as above then the high voltage transformer is probably faulty and should be replaced 3 Also the high voltage transformer has the thermal cut out in the primary coil Measure the resistance of the primary coil The resistance of the primary coil should be above resistance unless the temperature of the thermal cut out in the primary coil reaches approximately 150 C The thermal cut out resets automa...

Page 14: ...r shows an infinite resistance G The resistance across all the terminals and the chassis must be infinite when the capacitor is normal If incorrect reading are obtained the high voltage capacitor must be replaced CARRY OUT 4R CHECKS E SWITCH TEST Table Terminal Connection of Switch Plunger Operation COM to NO COM to NC Released Open circuit Short circuit Depressed Short circuit Open circuit COM Co...

Page 15: ...PLACEMENT J HIGH VOLTAGE FUSE F2 TEST K TIMER MOTOR TEST CARRY OUT 3D CHECKS before any of the following timer tests TIMER SWITCH CONTACTS Disconnect the leads from terminals described at following table Connect an ohmmeter across terminals described at following table Advance the timer and check that a short circuit reading is obtained on the meter Turn the timer back to the zero 0 position and c...

Page 16: ...icrowave cooking operation DC voltage indicated Defective relay DC voltage not indicated Check diode which is connected to the relay coil If diode is good control unit is defective RELAY SYMBOL OPERATIONAL VOLTAGE CONNECTED COMPONENTS RY1 Approx 12 0V D C Oven lamp Turntable motor Fan motor RY2 Approx 11 0V D C High voltage transformer CARRY OUT 4R CHECKS N PROCEDURES TO BE TAKEN WHEN THE FOIL PAT...

Page 17: ...setting of the power level by variable resistance 3 Power Source Circuit This circuit generates voltage necessary in the control unit from the AC line voltage In addition the synchronizing signal is available in order to compose a basic standard time in the clock circuit Symbol Voltage Application VDD 5V LSI IC 1 VSS 0V LSI IC 1 4 Relay Circuit To drive the magnetron fan motor turntable motor and ...

Page 18: ... to AIN0 cooking starts 9 D3 OUT Signal to allow Magnetron high voltage circuit to be drived While the signal Sqrare Waveform is generating from D3 the Magnetron high voltage circuit is allowed to be drived 10 D2 OUT Signal to check the model 11 D1 OUT Magnetron high voltage circuit driving signal To turn on and off the cook relay RY1 The signal holds L level during microwave cooking and H level w...

Page 19: ...s easily influenced by the surrounding high voltage power source static electric ity charge in clothes etc and sometimes it is not fully protected by the built in protection circuit In order to protect CMOS LSI 1 When storing and transporting thoroughly wrap them in aluminium foil Also wrap PW boards con taining them in aluminium foil 2 When soldering ground the technician as shown in the figure a...

Page 20: ...the door and wedge the door open 3 Discharge the high voltage capacitor and wait for 60 seconds 2 Don t let the wire leads touch to the following parts 1 High voltage parts Magnetron High voltage transformer High volt age capacitor High voltage rectifier assembly and High voltage fuse 2 Hot parts Oven lamp Magnetron High voltage transformer and Oven cavity 3 Sharp edge Oven cavity Waveguide flange...

Page 21: ...R ASSEMBLY 1 CARRY OUT 3D CHECKS 2 Disconnect the wire leads main wire harness from high voltage transformer 3 Disconnect the lead from magnetron filament 4 Disconnect the leads of the high voltage transformer from high voltage capacitor 5 Remove the two 2 screws holding the transformer to bottom plate from the upper side 6 Remove the remaining two 2 screws from the bottom 7 Remove the transformer...

Page 22: ...the turntable motor to the oven cavity 8 Remove the turntable motor from the oven cavity 9 Remove the TTM packing from the turntable motor 10 Now the turntable motor is free Re install 1 Re install the TTM packing 2 Re install the turntable motor with theTTM packing with the single 1 screw 3 Re connect the wire leads to the turntable motor 4 Insert the tab of the turntable motor cover into the hol...

Page 23: ...e latch hook with two 2 mounting screws to oven flange 4 Install the switch lever to the oven cavity 5 Make sure that the monitor switch is operating properly and check continuity of the monitor circuit Refer to chapter Test Procedure and Adjustment procedure MONITORED LATCH SWITCH SW1 LATCH SWITCH SW3 AND MONITOR SWITCH SW2 ADJUSTMENT 1 CARRY OUT 3D CHECKS Power Supply Cord Oven Cavity Back Plate...

Page 24: ...or switch are operating properly Refer to chapter Test Procedures B An approved microwave survey meter should be used to assure compliance with proper micro wave 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 2 Deviation of door alignment from...

Page 25: ...d in its instruction booklet Important Survey instruments that comply with the requirement for instrumentations as prescribed by the performance standard for microwave 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...

Page 26: ...F2 0 6A 5kV Temperature fuse OVEN TF 120 C Oven lamp OL 240 V 25W High voltage capacitor C 0 91µF AC 2100V Magnetron MG Filament 1Ω Filament chassis ohm High voltage transformer T Filament winding 1Ω Secondary winding Approx 205 Ω Primary winding Approx 2 7 Ω WARNING DISCONNECT THE PLUG WHEN MEASURING RESISTANCE ...

Page 27: ...0Hz BLU BRN LIVE NEUTRAL G Y N L LINE CROSS CAPACITOR 0 068µ AC250V NOISE SUPPRESSION COIL LINE BYPASS CAPACITOR 0 0022µ AC250V LINE BYPASS CAPACITOR 0 0022µ AC250V NOISE FILTER H V FUSE 0 6A TF TEMPERATURE FUSE OVEN A1 A3 FUSE T6 3A F1 SW1 T HIGH VOLTAGE TRANSFORMER WITH THERMAL CUT OUT 150 C MAGNETRON H V RECTIFIER CAPACITOR 0 91µF AC2100V TURNTABLE MOTOR FAN MOTOR COM COM COM N O N O N O F2 MG ...

Page 28: ...ED SW1 MONITORED LATCH SWITCH COM COM ORG N RED WHT L BLK RED N C N O GRY BLU RED ORG SW3 LATCH SWITCH GRY T HIGH VOLTAGE TRANSFORMER F2 HIGH VOLTAGE FUSE G Y B L U B R N EARTH LIVE N E U T R A L POWER SUPPLY CORD NOISE FILTER OVEN CAVITY BACK PLATE WHT WHT WHT WHT WHT GRY ORG RED ORG GRY CN A 2 BLK ORG RED RED BLK RED 1 3 COM ORG BLK N O OL OVEN LAMP TF TEMPERATURE FUSE OVEN TIMER MOTOR COM N O G...

Page 29: ... 1 4w R10 10k 1 4w R11 10k 1 4w D3 1SS270A RESET Q25 KRA101M Q23 KRC105M Q21 KRA105M Q22 KRC101M R13 10k J2 J1 b c d VRS1 10G471K D2 1SS270A D70 1N4005E C2 220µ 25v C71 100µ 25v C21 10µ 25v C22 0 1µ 50v C5 47µ 16v C6 0 1µ 50v C31 C7 33pF 50v VDD VSS XIN XOUT CNVSS RESET AIN1 AIN0 D3 D2 P00 P01 P02 P03 P10 P11 P12 INT D0 D1 C72 C3 0 1µ 50v C8 1 20 11 10 J3 J4 J5 J6 R7 1k R8 15k R22 4 7k R16 4 7k 1 ...

Page 30: ...D3 D71 F1 J2 D24 DU OM DU OM D23 D72 Q26 Q22 Q24 WARNING WARNING TRANSLESS Q23 D73 JP3 JP2 B B B B B E E E E E Q25 ZD2 AC LINE VOLTAGE IS SUPPLIED TO ALL PARTS R11 R12 VR1 ZD71 ZD70 1 2 3 R10 JP9 JP8 JP7 JP6 JP5 JP10 Q1 E B R6 R5 D2 C2 C5 C21 Q21 B E C71 C7 R4 R3 R2 R1 D1 JP1 CNA VRS1 RY2 RY1 1 3 J1 D70 ZD1 C70 JP11 JP4 R70 R75 R71 ...

Page 31: ...WRPZ Cushion 1 AG CONTROL PANEL PARTS 3 1 DPWBFC230WRKZ Control unit 1 BE 3 2 HPNLCB879WRRZ Control panel R 209 W 1 AV 3 2 HPNLCB881WRRZ Control panel R 209 Y 1 AV 3 2 HPNLCB880WRRZ Control panel R 209 IN 1 AW 3 3 JBTN B258WRFZ Open button R 209 W 1 AH 3 3 JBTN B259WRFZ Open button R 209 Y 1 AH 3 3 JBTN B256WRTZ Open button R 209 IN 1 AH 3 4 JKNBKA684WRFZ Timer knob R 209 W 1 AR 3 4 JKNBKA713WRFZ ...

Page 32: ...PZ Cushion 1 AG MISCELLANEOUS 6 1 NTNT A034WRF0 Turntable 1 AM 6 2 FROLPA101WRKZ Turntable support 1 AR 6 3 TCAUHA168WRR0 H caution label 1 AH 6 4 FW VZB959WREZ Main wire harness 1 AT 6 5 TINSZA105WRRZ Instruction book in German French Dutch 1 AM Italian Spanish Portuguese and English 6 6 TINSZA109WRRZ Instruction book in Swedish and Finnish except R 209 Y 1 AL SCREWS NUTS AND WASHERS 7 1 XHPSD40P...

Page 33: ... 1 2 3 4 5 6 OVEN PARTS 7 3 2 1 7 3 7 3 7 8 7 8 OL 6 3 4 11 4 3 7 3 7 5 2 2 4 7 4 10 4 2 4 13 6 1 6 2 7 3 7 2 7 3 7 9 7 9 FM T 7 1 4 5 7 3 7 6 7 3 7 3 7 2 4 12 7 1 C F2 SW3 SW2 SW1 TTM 1 3 4 1 7 2 2 2 7 10 7 10 7 10 4 6 MG TF 4 9 2 3 F1 4 8 4 4 7 1 7 1 1 1 1 2 7 7 7 4 4 9 ...

Page 34: ...1 A B C D E F G H A B C D E F G H 2 3 4 5 6 1 2 3 4 5 6 CONTROL PANEL PARTS DOOR PARTS MISCELLANEOUS 6 4 Actual wire harness may be different than illustration 3 3 3 6 3 2 3 5 3 8 TM 3 7 3 1 3 8 3 4 5 2 5 5 5 3 5 4 5 6 5 1 5 7 5 8 ...

Page 35: ...TABLE SUPPORT INTO THE OVEN CAVITY Not replaceable items TRAY PAD ASSY CPADBA287WRKZ PACKING CASE MICROWAVE OVEN TOP PAD ASSEMBLY FPADBA561WRKZ WRAP COVER SSAKHA014WRE0 SPAKCE069WREZ R 209 W SPAKCE070WREZ R 209 IN SPAKCE072WREZ R 209 Y BOTTOM PAD ASSEMBLY FPADBA562WRKZ DOOR PROTECT SHEET SPADPA580WRE0 ...

Page 36: ...R 209 IN R 209 W R 209 Y 04 SHARP CORP 3S0EE ...

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