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Sharp R-200BK, Service Manual

The Sharp R-200BK Service Manual is available for download absolutely free from manualshive.com. This comprehensive manual provides detailed instructions on troubleshooting, maintenance, and usage of the Sharp R-200BK product. Easily access this manual to optimize your product's performance and ensure its longevity.

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30

R-200BK
R-200BW

REF. NO.

PART NO.

DESCRIPTION

Q'TY

CODE

R42

VRD-B12EF332J

Resistor      3.3k ohm   1/4W

1

AA

R60-61

VRD-B12EF104J

Resistor      100k ohm   1/4W

2

AA

R62-63

VRD-B12EF472J

Resistor      4.7k ohm   1/4W

2

AA

R70

VRD-B12EF431J

Resistor       430 ohm   1/4W

1

AA

R71

VRD-B12EF331J

Resistor       330 ohm   1/4W

1

AA

R72

VRD-B12EF241J

Resistor       240 ohm   1/4W

1

AA

R73

VRD-B12EF151J

Resistor       150 ohm   1/4W

1

AA

R74

VRD-B12EF101J

Resistor       100 ohm   1/4W

1

AA

RY1

RRLY-A110DRE0

Relay (OMIF-S-124LM)

1

AL

SP1

RALM-A014DRE0

Buzzer (PKM22EPT)

1

AG

SW1

RVR-BA018WRE0

Rotary encoder

1

AL

VRS1

RH-VZA032DRE0

Varistor (10G471K)

1

AE

ZD1-2

VHEHZ12A1//-1

Zener diode (HZ12A1)

2

AA

ZD4-5

VHEHZ6C3///-1

Zener diode (HZ6C3)

2

AA

ZD6

VHEHZ4C3///-1

Zener diode (HZ4C3)

1

AA

3- 2

HPNLCB438WRR0

Control panel [R-200BK]

1

AV

3- 2

HPNLCB440WRR0

Control panel [R-200BW]

1

AV

3- 3

TCAUAA100WRR0

User caution label [R-200BK]

1

AC

3- 3

TCAUAA156WRR0

User caution label [R-200BW]

1

AF

3- 4

XEPSD30P08XS0

Screw; 3mm X 8mm

3

AA

OVEN PARTS

4- 1

PHOK-A105WRF0

Latch hook

 1

AL

4- 2

LANGQA477WRW0

Light mount plate

  1

AY

4- 3

PCUSUA502WRP0

Waterproof cushion

1

AD

4- 4

LBNDKA038WRP0

Capacitor holder

 1

AF

4- 5

NFANJA029WRE0

Fan blade

 1

AL

4- 6

PDUC-A694WRF0

Fan duct

 1

AG

4- 7

*************

Oven cavity (Not replaceable part)

1

--

4- 8

GLEGPA073WRF0

Leg

 1

AD

4- 9

LANGTA318WRP0

Chassis support

 1

AE

4-10

PCUSUA270WRP0

Cushion

1

AG

4-11

PCOVPA276WRE0

Waveguide cover

 1

AM

4-12

PCOVPA342WRF0

B-cover Right

1

AH

4-13

PCOVPA343WRF0

B-cover Left

1

AH

4-14

PCUSUA443WRP0

Cushion

 1

AE

4-15

PDUC-A700WRF0

Air separator

 1

AN

4-16

PPACGA097WRE0

O-ring

 1

AG

DOOR PARTS

5- 1

FDORFA321WRT0

Door panel

 1

AT

5- 2

GWAKPA552WRF0

Door frame [R-200BK]

 1

AY

5- 2

GWAKPA551WRF0

Door frame [R-200BW]

 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

TINS-A644WRR0

Instruction book

 1

AD

6- 4

TCAUAA145WRR0

Earth caution

 2

AG

6- 5

FW-VZB655WRE0

Main wire harness

 1

BA

6- 6

QW-QZA150WRE0

High voltage wire B

 1

AF

6- 7

TCAUAA166WRR0

DHHS caution label

 1

AC

6- 8

TCAUAA240WRR0

Screw caution

 1

AC

6- 9

TCAUAA239WRR0

Monitor caution

 1

AC

SCREWS AND WASHERS

7- 1

XFPSD40P08K00

Screw : 4mm x 8mm

 5

AA

7- 2

LX-EZA042WRE0

Special screw

 2

AB

7- 3

LX-WZA028WRE0

Special washer

1

AB

7- 4

LX-CZA030WRE0

Special screw

 5

AA

7- 5

XHTSD40P08RV0

Screw : 4mm x 8mm

 4

AA

7- 6

XHPSD30P06000

Screw : 3mm x 6mm

 1

AA

7- 7

XOTSD40P12RV0

Screw : 4mm x 12mm

 2

AA

7- 8

XOTSD40P12000

Screw : 4mm x 12mm

 6

AA

7- 9

XOTSE40P08000

Screw : 4mm x 8mm [R-200BW]

 4

AA

7- 9

XOTSF40P08000

Screw : 4mm x 8mm [R-200BK]

 4

AA

7-10

LX-CZA071WRE0

Special screw (Torx tamper proof screw)

 2

AC

∆

∆

∆

*

Summary of Contents for R-200BK

Page 1: ... 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 16 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 20 PICTORIAL DIAGRAM 26 CONTROL PANEL CIRCUIT 27 PRINTED WIRING BOARD 28 PARTS LIST 29 PACKING AND ACCESSORIES 31 S1802R2...

Page 2: ...n 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 the...

Page 3: ...e 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 Rec...

Page 4: ...he 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 5 Cl...

Page 5: ... 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 HighVoltageCap...

Page 6: ...er cord Where a two pronged wall receptacle is encountered it is the personal responsibility and obligation of the customer to contact a qualified electrician and have it replaced with a properly grounded three pronged wall receptacle or have a grounding adapter properly grounded and polarized If the extension cord must be used it should be a 3 wire 15 amp or higher rated cord Do not drape over a ...

Page 7: ...table 8 Ventilation openings Rear 9 Oven lamp 10 Wave guide cover 11 Power supply cord CONTROL PANEL 8 10 11 9 1 2 5 7 3 4 6 BAKED POTATO COOK 1 medium 4 5min FRESH VEGETABLES COOK 2 cups 6 8min DINNER PLATE REHEAT 3 4min SOUP REHEAT 1 cup 4 5min ROLL MUFFIN REHEAT 1 medium 20sec DEFROST Check chart in Operation Manual POPCORN POP 3 5 oz bag 3 4min Light Up Dial 1 0 20 40 2 3 4 5 6 7 8 9 10 11 12 ...

Page 8: ...will revert to the OFF condition 6 When the door is opened during a cook cycle monitor switch door sensing switch secondary interlock switch and primary interlock relay RY1 are activated with the following results The circuits to the oven lamp turntable motor the cooling fan motor and the high voltage components are de energized and the Light Up Dial indicates the time still remaining in the cook ...

Page 9: ...en inoperative by means of blowing the C T fuse when the contacts of the primary interlock relay RY1 and secondary interlock switch fail to open when the door is opened Functions 1 When the door is opened the monitor switch contacts close to the ON condition due to their being normally closed At this time the primary interlock relay RY1 and secondary interlock switch are in the OFF condition conta...

Page 10: ...bleshooting 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 power transformer 5 Ensure that the lead...

Page 11: ... Oven goes into a cook cycle but ex tremely uneven heating is produced in oven load food Oven lamp turntable motor and fan mo tor do not operate TEST PROCEDURE PROBLEM CONDITION OFF CONDITION COOKING CONDITION POSSIBLE CAUSE AND DEFECTIVE PARTS A MAGNETRON ASSEMBLY TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacito...

Page 12: ...zes Record the temperature of the water 2 Place the cup of water in the oven Operate oven at POWER 10 HIGH selecting more than 60 seconds cook time Allow the water to heat for 60 seconds measuring with a stop watch second hand of a watch or the digital read out countdown 3 Remove the cup from the oven and again measure the temperature making sure to stir the thermometer or thermocouple through the...

Page 13: ...h ohm scale if the high voltage capacitor is normal the meter will indicate continuity for a short time and should indicate an open circuit once the capacitor is charged If the above is not the case check the capacitor with an ohmmeter to see if it is shorted between either of the terminals and case If it is shorted replace the capacitor 5 Reconnect all leads removed from components during testing...

Page 14: ...tion is indicated replace the door sensing switch 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 PRIMARY INTERLOCK RELAY RY1 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltag...

Page 15: ...e The control panel consists of circuits including semiconductors such as LSI ICs etc Therefore unlike conventional microwave ovens proper maintenance cannot be performed with only a voltmeter and ohmmeter In this service manual troubleshooting by unit replacement is described according to the symptoms indicated Before testing 1 Disconnect the power supply cord and then remove outer case 2 Open th...

Page 16: ...oling fan motor Power transformer The voltage under the condition when all LEDs light up 8 Disconnect the power supply cord and then remove outer case 9 Open the door and block it open 10 Discharge high voltage capacitor 11 Reconnect all leads removed from components during testing 12 Re install the outer case cabinet 13 Reconnect the power supply cord after the outer case is installed 14 Run the ...

Page 17: ...er transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure re connect the power supply cord 7 Follow the troubleshooting guide given below for repair STEPS OCCURRENCE CAUSE OR CORRECTION 1 The rated AC voltage is not present between Check supply voltage and oven power cord Pin No 5 of the 3 pin connector A and the...

Page 18: ...20 This circuit consists of 4 digits and 5 segments Control Unit Control unit consists of LSI power source circuit synchro nizing signal circuit ACL circuit buzzer circuit encoder circuit and indicator circuit 1 LSI This LSI controls the encoder signal relay driving signal for oven function buzzer signal and LED signal 2 Power Source Circuit This circuit generates voltage necessary in the control ...

Page 19: ...ction signal Signal is input to the anodes of the light emitting diodes LD1 LD5 10 S1 OUT Digit selection signal Signal is input to the anodes of the light emitting diodes LD6 LD10 11 S2 OUT Digit selection signal Signal is input to the anodes of the light emitting diodes LD11 LD15 12 S3 OUT Digit selection signal Signal is input to the anodes of the light emitting diodes LD16 LD20 13 14 NC No con...

Page 20: ...l Door opened H level signal 28 F1 OUT Connected to CNTR 29 F2 OUT Terminal not used 30 F3 IN Signal coming from encoder Signal similar to INT Pulse signals are input into F3 31 32 NC No connection terminal 33 XOUT OUT Internal clock oscillation frequency control output Output to control oscillation input of XOUT 34 XIN IN Internal clock oscillation frequency input setting The internal clock frequ...

Page 21: ...ol unit being sure that the lead wires are not twisted 3 After aluminium foil is removed be careful that abnormal voltage due to static electricity etc is not applied to the input or output terminals 4 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 approx 1M ohm 1 Precautions for...

Page 22: ...tor 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 does n...

Page 23: ...TIFIER 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 5 D...

Page 24: ... 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 the wire leads from the turntable motor 7 Remove the single 1 screw holding the turntable motor to the oven cavity TURNTABLE MOTOR REMOVAL 8 Remove the turntable motor from the oven cavity ...

Page 25: ...e 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 shaft ...

Page 26: ...sing 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 Switch A...

Page 27: ...ndary 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 2 D...

Page 28: ... 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 ORG ORG POWER TRANSFORMER HIGH VOLTAGE WIRE B BLK Blue Mark NOTE Hot RED wire must be connected to the terminal with blue mark on th...

Page 29: ...43E Q70 DTA143E Q71 DTA143E Q72 DTA143E Q73 DTA143E Q21 DTA143E RY1 Q20 DTC143E D30 JC R62 4 7k R60 100k R61 100k R2 200 1 2w R1 200 1 2w R6 4 7k R70 430 R71 330 R72 240 R73 150 R74 100 R21 4 7k R30 4 7k R20 4 7k R5 1k R41 1k R42 3 3k SP1 JD JA ZD2 ZD5 C7 C30 ZD4 ZD1 2 HZ12A1 ZD4 5 HZ6C3 ZD6 HZ4C3 C3 1000µ 25v C5 47µ 16v C21 10µ 35v C20 0 1µ 50v D20 D22 C6 0 1µ 50v I 1 M34225M1 C60 C61 C4 0 1µ 50v...

Page 30: ... Q2 20 Q1 R3 R31 R6 R1 R4 JC R2 ZD5 ZD1 ZD2 JA ZD3 D30 RY2 RY1 DIP D4 D3 ZD4 ZD6 C20 C7 26 22 23 R21 I 1 1 18 19 36 R62 R60 R61 R30 R5 17 C6 C60 C30 C5 C4 C3 25 6 9 8 7 10 11 12 D74 D73 LD5 LD6 LD7 LD8 LD9 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD20 LD19 LD18 13 14 18 15 16 LD17 C61 R63 R40 R50 JD R41 R42 C21 WH 1 VRS1 R11 ORG ORG BRK RED RED J1 CN A SW2 D22 F C1 1 2 1 1 5 5 1 2 C2 SP1 D21 D1 D2 D20 R...

Page 31: ...8WRF0 Timer knob R 200BW 1 AF 3 1 4 LHLD A184WRF0 LED holder 1 AH C1 VCF2B62CA155K Capacitor 1 5 uF 160VAC 1 AG C3 VCEAB31EW108M Capacitor 1000 uF 25V 1 AC C4 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AB C5 VCEAB31CW476M Capacitor 47 uF 16V 1 AA C6 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AB C7 VCKYD11CY103N Capacitor 0 01 uF 16V 1 AH C20 VCEAB31HW104M Capacitor 0 1 uF 50V 1 AB C21 VCEAB31VW106M Capacitor ...

Page 32: ...sis support 1 AE 4 10 PCUSUA270WRP0 Cushion 1 AG 4 11 PCOVPA276WRE0 Waveguide cover 1 AM 4 12 PCOVPA342WRF0 B cover Right 1 AH 4 13 PCOVPA343WRF0 B cover Left 1 AH 4 14 PCUSUA443WRP0 Cushion 1 AE 4 15 PDUC A700WRF0 Air separator 1 AN 4 16 PPACGA097WRE0 O ring 1 AG DOOR PARTS 5 1 FDORFA321WRT0 Door panel 1 AT 5 2 GWAKPA552WRF0 Door frame R 200BK 1 AY 5 2 GWAKPA551WRF0 Door frame R 200BW 1 AY 5 3 HP...

Page 33: ...efective parts required return should be returned as indicated in the Service Policy PACKING AND ACCESSORIES TURNTABLE TRAY OPERATION MANUAL TURNRABLE SUPPORT INTO THE OVEN CAVITY Not replaceable items TRAY PAD ASSY CPADBA244WRK0 PACKING CASE MICROWAVE OVEN TOP PAD ASSEMBLY FPADBA375WRK0 POLYETHYLENG BAG SSAKHA014WRE0 DOOR PROTECTION SHEET SPADPA580WRE0 SPAKCD030WRE0 R 200BK SPAKCD031WRE0 R 200BW ...

Page 34: ...D 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 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 8 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 4 6 4 6 9 4 10 1 2 7 8 1 9 1 4 4 3 4 2 4 14 4 7 4 11 6 2 6 1 4 15 4 8 6 7 4 5 4 12 ...

Page 35: ... 6 4 5 1 2 3 A B C D E F G H A B C D E F G H MISCELLANEOUS DOOR PARTS CONTROL PANEL PARTS 5 3 5 5 5 2 5 4 5 8 5 8 6 5 6 6 5 6 5 7 5 1 Actual wire harness may be different than illustration 3 1 3 3 1 2 3 1 1 3 1 4 3 4 3 1 3 2 3 3 3 4 ...

Page 36: ...997 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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