Sharp R-216(G) Service Manual Download Page 21

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R-216(G)
R-216(IN)
R-216(W)
R - 2 1 6 ( Y )

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 high voltage trans-

former.

3. Disconnect the H.V. wire of the H.V. rectifier assembly

from the magnetron.

4. Remove one (1) screw holding capacitor holder to the

oven cavity back plate.

5. Disconnect the filament lead of the high voltage trans-

former from the H.V. capacitor.

6. Remove one (1) screw holding earth side terminal of high

voltage rectifier assembly, and remove capacitor holder.

7. Disconnect all the leads and terminals of high voltage

rectifier assembly from high voltage capacitor.

8. Disconnect the H.V. fuse from the high voltage capacitor.
9. Now H.V. rectifier assembly, H.V. fuse and H.V. ca-

pacitor should be free.

CAUTION: WHEN REPLACING HIGH VOLTAGE

RECTIFIER ASSEMBLY, ENSURE THAT
THE CATHODE (EARTH) CONNECTION
IS SECURELY FIXED TO THE CAPACI-
TOR HOLDER WITH AN EARTHING
SCREW.

CAUTION: DO NOT REPLACE ONLY HIGH VOLT-

AGE RECTIFIER. WHEN REPLACING IT,
REPLACE HIGH VOLTAGE RECTIFIER
ASSEMBLY.

Removal
1. CARRY OUT 3D CHECKS.
2. Disconnect the wire leads from the magnetron.
3. Carefully remove the three (3) screws holding the

magnetron to the waveguide flange.

4. Lift up magnetron with care so that the magnetron

antenna is not hit by any metal object around antenna.

5. Now, the magnetron is free.
Re-install
1. Re-install the magnetron to the waveguide flange with

three (3) screws.

2. Re-connect the wire leads to the magnetron. Refer to

"PICTORIAL DIAGRAM".

3. Re-install the outer case and check that the oven is

operating properly.

CAUTION: WHEN REPLACING THE MAGNETRON,

BE SURE THE R.F. GASKET IS IN PLACE
AND THE MAGNETRON MOUNTING
SCREWS ARE TIGHTENED SECURELY.

MAGNETRON REPLACEMENT

1. CARRY OUT 3D CHECKS.
2. Push the lever of positive lock

connector.

3. Pull down on the positive lock

connector.

CAUTION: WHEN CONNECTING THE POSITIVE

LOCK

CONNECTORS TO THE TERMI-

NALS, INSTALL THE POSITIVE LOCK

THAT THE LEVER FACES YOU.

POSITIVE LOCK

CONNECTOR (NO-CASE TYPE) REMOVAL

Terminal

Push

Pull down

Lever

Positive lock®

connector

Figure C-1. Positive lock

connector

6. Remove the two (2) screws holding the transformer to

bottom plate from below.

7. Remove the two (2) screws holding the transformer to

bottom plate from above.

8. Remove the transformer.

Wire tight

Summary of Contents for R-216(G)

Page 1: ...NEL ASSEMBLY 15 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 18 MICROWAVE MEASUREMENT 24 TEST DATA AT A GLANCE 25 WIRING DIAGRAM 25 PICTORIAL DIAGRAM 26 CONTROL PANEL CIRCUIT 27 PRINTED WIRING BOARD 28 PARTS LIST 29 S5207R216PHW MICROWAVE OVEN MODELS R 216 G R 216 IN R 216 W R 216 Y In interests of user safety the oven should be restored to its original condition and only parts identical to thos...

Page 2: ...esta 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 utse...

Page 3: ...his Manual 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 Thepartsmarked areusedatvoltagemore than 250V Parts List Anm Delar märket med har en spänning överstigande 250V Huom Huolto o...

Page 4: ...zeer hoge spanning 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 hoogspanningscondensat...

Page 5: ...ndo 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 microondas y...

Page 6: ...rna 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 VERIFI...

Page 7: ...g Cavity Dimensions Width 314mm Height 202 mm Depth 312 mm Turntable diameter 295 mm Control Complement Light up dial timer 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 14 kg GENERAL INFORMATION WARNING T...

Page 8: ...afety latches 5 See through door 6 Door seals sealing surfaces NOTE The oven is fitted with a safety feature If the TIMERremains at the 0 position for more than 3 minutes the oven door must be opened or the MICROWAVE POWER LEVEL button must be pressed before the dial can be operated again 9 2 5 4 4 7 11 3 6 8 12 10 1 0 11 12 13 14 15 20 25 30 WATT indicator MICROWAVE POWER LEVEL button TIMER Knob ...

Page 9: ...OKING NOCOOKING Monitored latch switch COM NO Closed Open Monitor switch COM NC Open Closed 2nd interlock relay control switch COM NO Closed Open The circuits to the high voltage transformer fan motor turntable motor and the oven lamp are cut off when the monitored latch switch SW1 and 2nd interlock relay control switch SW3 are made open 6 MONITOR SWITCH CIRCUIT The monitor switch SW2 is mechanica...

Page 10: ...d vapours given off from the heating foods It is then ex hausted through the exhausting air vents at the oven cavity NOISE FILTER The noise filter prevents the radio frequency interference that might flow back in the power circuit DOOR OPEN MECHANISM The door is opened by pulling the door refer to the Figure D 1 Figure D 1 Door Open Mechanism MONITORED LATCH SWITCH SW1 AD 2ND IN TERLOCK RELAY CONT...

Page 11: ... RY1 RELAY RY2 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 supplycordispluggedintowall outlet FUSE F1 blows when power supplycordispluggedintowall outlet Oven does not start when the timer is set Ovenlampdoes...

Page 12: ...0 g Initial temperature T1 10 1 C Heating time 52 sec Mass of container mc 330 g T2 Final Temperature 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 ambi...

Page 13: ...tinuity of all three winding The following readings should be obtained a Primary winding 2 4 ohms approximately b Secondary winding 185 ohms approximately c Filament winding less than 1 ohm If the readings obtained are not stated as above then the high voltage transformer is probably faulty and should be replaced CARRY OUT 4R CHECKS C HIGH VOLTAGE RECTIFIER TEST CARRY OUT 3D CHECKS Isolate the hig...

Page 14: ...k and then a resistance of about 10MΩ after it has been charged D A short circuited capacitor shows continuity all the time E An open capacitor constantly shows a resistance about 10 MΩ because of its internal 10MΩ resistance F When the internal wire is opened in the high voltage capacitor the capacitor shows an infinite resistance G The resistance across all the terminals and the chassis must be ...

Page 15: ... to the symptoms indicated 1 Control Panel The following symptoms indicate a defective control unit 1 1 In connection with LEDs a At a certain LED all or some LEDs do not light up b At a certain LED brightness is low c Only one LED does not light up d All or some LEDs continue to light up e A certain group of LEDs do not light up f The LEDs flicker 1 2 Tact switch a When touching a tact switch a t...

Page 16: ...tor Fan motor RY2 Approx 11 0V D C High voltage transformer CARRY OUT 4R CHECKS To protect the electronic circuits this model is provided with a fine foil pattern added to the input circuit on the PWB this foil pattern acts as a fuse If the foil pattern is open follow the troubleshooting guide given below for repair Problem POWER ON indicator does not light up CARRY OUT 3D CHECKS STEPS OCCURRENCE ...

Page 17: ...gnal is sent to the LSI 9 Indicator Circuit Indicator elements are the Light emitting diodes LD1 LD24 and LD30 LD34 This circuit consists of 4 digits and 8 segments 10 Tact Switch Signal generated in the LSI is sent to the tact switch When a tact switch is touched a signal is completed through the tact switch and passed back to the LSI through to perform the function that was requested DESCRIPTION...

Page 18: ...is basic timing for all real time processing of LSI 18 19 AIN0 AIN1 IN Terminal to change functions according to the model Signal in accordance with the model in operation is applied to set up its function 20 AIN2 IN Input signal which communicates the door open close information to LSI Door closed H level signal Door opened L level signal 21 AIN3 IN Terminal to change functions according to the m...

Page 19: ...Attach connectors electrolytic capacitors etc to PWB making sure that all connections are tight 5 Be sure to use specified components where high precision is required 1 Precautions for Handling Electronic Components This unit uses CMOS LSI in the integral part of the circuits When handling these parts the following pre cautions should be strictly followed CMOS LSI have extremely high impedance at ...

Page 20: ...he oven Do not operate the oven 1 Without the RF gasket Magnetron 2 If the wave guide or oven cavity are not intact 3 If the door is not closed 4 If the outer case cabinet is not fitted WARNING FOR WIRING To prevent an electric shock take the following manners 1 Before wiring 1 Disconnect the power supply 2 Open the door and wedge the door open 3 Discharge the high voltage capacitor and wait for 6...

Page 21: ...EPLACE HIGH VOLTAGE RECTIFIER ASSEMBLY Removal 1 CARRY OUT 3D CHECKS 2 Disconnect the wire leads from the magnetron 3 Carefully remove the three 3 screws holding the magnetron to the waveguide flange 4 Lift up magnetron with care so that the magnetron antenna is not hit by any metal object around antenna 5 Now the magnetron is free Re install 1 Re install the magnetron to the waveguide flange with...

Page 22: ...FFICULT TO REMOVE IT OUT OF THE OVEN 5 Remove the turntable motor cover from the bottom plate 6 Disconnect the wire leads from the turntable motor 7 Remove the single 1 screw holding the turntable motor to the oven cavity 8 Remove the turntable motor from the oven cavity TURNTABLE MOTOR REPLACEMENT 9 Remove the O ring and washer from the turntable motor 10 Now the turntable motor is free Re instal...

Page 23: ...the Figure C 4 b 5 Now the power supply cord is free POWER SUPPLY CORD REPLACEMENT Re install 1 Insert the moulding cord stopper of power supply cord into the square hole of the rear cabinet referring to the Figure C 4 b 2 Install the earth wire lead of power supply cord and the earth angle to the oven cavity with one 1 screw and tight the screw 3 Connect the brown and blue wire leads of power sup...

Page 24: ...cavityfaceplateanddoorwhendoor 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 Figure C 6 Latch Switch Adjustments Latch Hook Pole Pole Bar Outward Outward Tab Tab SW2 Monitor Switch Monitored Latch Switch SW3 2nd Interlock Relay Control Switch SW1 1 CARRY OUT 3D CHECKS 2 Disconnect wir...

Page 25: ...o Sealer Film and figure C 9 on how to handle the new film 5 Catchtwo 2 pinsofdoorpanelontwo 2 holeofupper and lower oven hinges 6 Re install choke cover to door panel by pushing Note After any service to the door A Make sure that monitored latch switch 2nd inter lock relay control switch and monitor switch are operating properly Refer to chapter Test Proce dures B An approved microwave survey met...

Page 26: ...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 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 electric...

Page 27: ... MOTOR OVEN LAMP MONITOR SWITCH SW2 T C F2 CONTROL UNIT THERMAL CUT OUT 125 C OVEN 2ND INTERLOCK RELAY 2ND INTERLOCK RELAY CONTROL SWITCH MONITOED LATCH SWITCH SW1 SW3 B1 A5 A3 OL FM TTM THERMAL CUT OUT 95 C MG TC1 TC2 N O RY 1 COM A1 RY 2 EARTH 230V 50Hz BLU BRN LIVE NEUTRAL G Y FUSE T6 3A F1 N L LINE CROSS CAPACITOR 0 068µ AC250V NOISE SUPPRESSION COIL LINE BYPASS CAPACITOR 0 0022µ AC250V LINE B...

Page 28: ...T MONITORED LATCH SWITCH COM COM ORG WHT N RED WHT L WHT N C N O RED GRY BLU ORG GRY 2ND INTERLOCK RELAY CONTROL SWITCH WHT BLK HIGH VOLTAGE TRANSFORMER T 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 OCEN CAVITY BACK PLATE WHT GRY WHT WHT CONTROL UNIT WHT RED RED RED ORG GRY THERMAL CUT OUT MG TC1 THERMAL CUT OUT OVEN TC2 ORG CN A 2 RED GRY 1 3 4 5 B...

Page 29: ...51 KRA222M Q52 KRA222M Q53 KRA222M Q10 KRA101M VC D30 NOTE IF NOT SPECIFIED 1 4W 5 Q40 KRA101M Q22 KRA222M Q20 KRA101M Q21 KRC243M JD JB RY2 R1 100 2w CF1 4MHz 1 D3 2 D4 3 D5 4 D6 IC 1 IXA157DR 5 D7 6 P20 7 P21 8 17 INT1 18 AIN0 19 AIN1 20 AIN2 21 AIN3 22 P00 23 P01 24 P02 P22 JF 4 7k R31 15k Q1 2SB1238 D1 D4 1N4002E VRS1 C1 1000µ 35v J2 J3 J5 J7 JE J4 J6 C4 47µ 16v C21 10µ 35v C5 0 1µ 50v C2 0 1µ...

Page 30: ...A 1 3 1 5 ZD2 R54 R52 A B C 17 18 19 R61 R60 C61 9 E E B B B E Q53 Q52 Q50 10 JE R62 14 15 16 SW1 R55 R53 C60 SP1 B B B B B B E E E E E Q40 Q2 Q1 D2 D1 T1 1 3 4 5 D4 D3 P S C10 C2 Q23 ZD1 CHINGSENG C 02V0 OL FM TTM MICRO Q20 RY3 RY2 VRS1 RY1 Q22 JB JA J2 J4 J6 C5 R31 C30 37 R20 IC 1 1 8 9 1 6 2 5 3 2 1 7 2 4 C20 41 40 DIP F 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 R56 R57 B E Q51 LD30 LD...

Page 31: ...1 BC 2 1 GCABUA855WRPZ Outer case cabinet R 216 Y 1 BC 2 2 GDAI A304WRW0 Bottom plate 1 AF 2 3 GLEGPA074WRE0 Foot 2 AC CONTROL PANEL PARTS 3 1 DPWBFC264WRUZ Control unit 1 BG 3 1A QCNCMA430DRE0 3 pin connector CN A 1 AG 3 1B QCNCMA410DRE0 2 pin connector CN B 1 AB C1 VCEAB31VW108M Capacitor 1000 uF 35V 1 AF C2 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C3 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AA C4 V...

Page 32: ... 5 HPNLCB740WRRZ Control panel R 216 Y 1 AT 3 5 HPNLCB745WRRZ Control panel R 216 W 1 AT 3 6 JBTN B120WRFZ Select button R 216 W 1 AC 3 6 JBTN B179WRFZ Select button R 216 IN 1 AK 3 6 JBTN B180WRFZ Select button R 216 G 1 AK 3 6 JBTN B181WRFZ Select button R 216 Y 1 AK 3 7 XEPSD30P08XS0 Screw 3mm x 8mm 7 AA OVEN PARTS 4 1 PHOK A127WRFZ Latch hook 1 AL 4 2 LANGQA530WRWZ Light mount plate 1 AP 4 3 P...

Page 33: ... AA 7 5 XHTSD40P08RV0 Screw 4mm x 8mm 5 AA 7 6 XHPSD30P06000 Screw 3mm x 6mm 1 AA 7 7 XOTSD40P12RV0 Screw 4mm x 12mm 9 AA 7 8 XOTSD40P08000 Screw 4mm x 8mm 5 AA 7 9 LX CZ0052WRE0 Special screw 2 AA 7 10 XHPSD40P08000 Screw 4mm x 8mm 3 AA PACKING AND ACCESSORIES TURNTABLE TRAY OPERATION MANUAL TURNRABLE SUPPORT INTO THE OVEN CAVITY Not replaceable items TRAY PAD ASSY CPADBA244WRK0 PACKING CASE MICR...

Page 34: ...E F G H 2 3 4 5 6 1 2 3 4 5 6 7 7 2 1 7 7 7 7 7 7 7 4 7 5 4 6 1 2 F1 4 4 F2 4 9 7 1 7 8 7 9 7 1 T 7 7 7 7 7 7 4 1 2 2 7 7 2 3 2 3 7 8 7 2 4 13 7 3 TTM 7 5 FM SW3 SW1 SW2 C 1 3 7 4 7 1 7 10 7 1 1 8 TC2 TC1 4 10 4 7 4 11 6 2 6 1 4 8 6 6 1 1 4 5 7 6 4 12 4 14 7 8 4 3 7 8 OL 4 2 ...

Page 35: ...ONTROL PANEL PARTS DOOR PARTS MISCELLANEOUS 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 5 3 5 5 5 2 5 4 5 8 5 8 6 5 6 4 6 7 5 6 5 7 5 1 3 3 3 6 Actual wire harness may be different than illustration 3 5 3 2 3 4 3 7 3 7 3 7 3 1 ...

Page 36: ...2002 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in retrieval systems or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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