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R - 340DK
R -340DW

∆

PARTS LIST

Note: The parts marked “

∆

” may cause undue microwave exposure.

The parts marked “*” are used in voltage more than 250V.

REF. NO.

PART NO.

DESCRIPTION

Q'TY

CODE

ELECTRIC PARTS

1- 1

QSW-MA147WRZZ

2nd interlock switch / door sensing switch

1- 2

QFSHDA009WRE0

Fuse holder

1- 3

FFS-BA021WRK0

Monitor fuse 20A and monitor switch (V-16G-2C25) assembly

1- 4

RTHM-A078WRE0

Thermal cut-out 125 deg.

1- 5

FACCDA083WREZ

Power supply cord

1- 5

FACCDA085WRE0

Power supply cord (Interchangeable)

1- 6

FH-DZA094WRKZ

High voltage rectifier assembly

1- 7

RC-QZA234WRE0

High voltage capacitor

1- 8

RV-MZA288WRE0

Magnetron

1- 9

RMOTEA383WRE0

Fan motor

1- 9

RMOTEA355WRE0

Fan motor (Interchangeable)

1-10

QSOCLA021WRE0

Oven lamp socket

1-11

RLMPTA068WRE0

Oven lamp

1-11

RLMPTA030WRE0

Oven lamp (Interchangeable)

1-12

RMOTDA161WRE0

Turntable motor

1-12

RMOTDA229WRE0

Turntable motor (Interchangeable)

1-12

RMOTDA211WRE0

Turntable motor (Interchangeable)

1-13

RTHM-A080WRE0

Thermal cut-out 145 deg.

1-14

RTRN-A603WRZZ

Power transformer

1-15

FDTCTA197WRK0

AH sensor assebly

CABINET PARTS

2- 1

GCABUA744WRPZ

Outer case cabinet [R-340DK]

2- 1

GCABUA690WRP0

Outer case cabinet [R-340DW]

2- 2

GDAI-A316WRW0

Bottom plate

2- 3

GLEGPA074WRE0

Foot

2- 4

GLEGPA077WRF0

Leg

CONTROL PANEL PARTS

3- 1

DPWBFC042WRKZ

Power unit

3- 1A

QCNCMA446DRE0

2-pin connector (CN-A)

3- 1B

FW-VZA260DREZ

11pin lead wire (CN-C)

3- 1C

FW-VZA195DRE0

Switch harness A (SH-A)

3- 1D

FW-VZA256DREZ

Switch harness B (SH-B)

RC-KZA087DRE0

Capacitor 0.1 uF 50V

VCEAB31VW108M

Capacitor 1000 uF 35V

RSRCDA013DRE0

Diode bridge (S1NB10)

VS2SD1859//-3

Transistor (2SD1859R)

VRD-B12EF242J

Resistor 2.4k ohm 1/4W

R2-3

VRS-B13AA910J

Resistor 91 ohm 1W

RY1

RRLY-A076DRE0

Relay (OMIF-S-124LM)

RY2

RRLY-A113DRE0

Relay (DU24D1-1P(M)-R)

SP1

RALM-A014DRE0

Buzzer (PKM22EPT)

RTRNPA113DRE0

Transformer

VRS1

RH-VZA032DRE0

Varistor (10G471K)

ZD1

VHEHZ161///-1

Zener diode (HZ16-1)

3- 2

DPWBFC041WRKZ

CPU unit

3- 3

FPNLCB492WRKZ

Control panel frame with key unit [R-340DK]

3- 3

FPNLCB495WRKZ

Control panel frame with key unit [R-340DW]

3- 3-1

DUNTKA716WRKZ

Key unit [R-340DK]

3- 3-1

DUNTKA717WRKZ

Key unit [R-340DW]

3- 4

XEPSD30P08XS0

Screw; 3mm x 8mm

OVEN PARTS

4- 1

PDUC-A724WRF0

Air separater

4- 2

PPACGA084WRF0

TTM packing

4- 3

PHOK-A116WRFZ

Latch hook

4- 4

LBNDKA099WRW0

Capacitor holder

4- 5

NFANJA029WRE0

Fan blade

4- 6

PDUC-A728WRW0

Fan duct

4- 7

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

Oven cavity (Not a replaceable part)

4- 8

LANGFA196WRWZ

Chassis support

4- 9

LANG-A067WRPZ

Magnetron duct

4-10

LANG-A063WRPZ

Air guide

4-11

LANG-A064WRPZ

Barrier

4-12

NCPL-A053WRFZ

Coupling

4-13

PCUSUA511WRP0

Cushion

Содержание R-340DK

Страница 1: ... MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 4 OPERATION 6 TROUBLESHOOTING GUIDE 10 TEST PROCEDURE 11 TOUCH CONTROL PANEL 21 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 27 PICTORIAL DIAGRAM 33 POWER UNIT CIRCUIT 34 CPU UNIT CIRCUIT 35 PRINTED WIRING BOARD 36 PARTS LIST 37 PACKING AND ACCESSORIES 41 S2008R340DPW R 340DK R 340DW MICROWAVEOVEN MODELS...

Страница 2: ...tion 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 release to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as per the Mic...

Страница 3: ...acitor 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 Reconnec...

Страница 4: ...f 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 The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking control on Full Power Cookin...

Страница 5: ...ing is not damaged D The door is not deformed or warped E There is no 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 HighVoltageCapac...

Страница 6: ...From Your Microwave pad Beverage Center pad Defrost pad Set Up pad Oven Cavity Light Yes Safety Standard UL Listed FCC Authorized DHHS Rules CFR Title 21 Chapter 1 Subchapter J SPECIFICATION GENERAL INFORMATION GROUNDING INSTRUCTIONS This oven is equipped with a three prong grounding plug It must be plugged into a wall receptacle that is properly installed and grounded in accordance with the Natio...

Страница 7: ...or counterclockwise 5 Oven lamp It will light when oven is operating or door is opened 6 Oven door with see through window 7 Ventilation openings Rear 8 Auto Touch control panel 9 Touch screen 10 Coupling 11 Wave guide cover 12 Power supply cord TOUCH CONTROL PANEL 4 3 1 12 7 2 8 9 6 10 5 11 NOTE The directed features are disabled after three minutes whentheovenisnotinuse Thesefeaturesareautomati ...

Страница 8: ...oven lamp etc are turned off and the generation of microwave energy is stopped The oven will revert to the OFF condition 6 When the door is opened during a cook cycle the monitorswitch doorsensingswitch secondaryinterlock switch relay RY1 and primary interlock relay are activated with the following results The circuits to the turntable motor the cooling fan motor and the high voltage components ar...

Страница 9: ...in the unit Wait two minutes before cooking on SENSOR 2 Thecoilofshut offrelay RY 1 isenergized theturntable motor oven lamp and cooling fan motor are turned on but the power transformer is not turned on 3 After about 16 seconds the cook relay RY 2 is energized The power transformer is turned on microwave energy is produced and first stage is started The 16 seconds is the cooling time required to ...

Страница 10: ...E 20A THERMAL CUT OUT OVEN THERMAL CUT OUT MG COM CAPACITOR 0 94µF AC 2300V A1 A2 COM F3 F1 F2 AH SENSOR MAGNETRON Figure O 1 Oven Schematic Off Condition SCHEMATIC NOTE CONDITION OF OVEN 1 DOOR CLOSED 2 CLOCK APPEARS ON DISPLAY 120V AC 60 Hz OVEN LAMP TURN TABLE MOTOR FAN MOTOR POWER TRANSFORMER CAPACITOR 0 94µF AC 2300V MONITOR SWITCH RECTIFIER MAGNETRON SECONDARY INTERLOCK SWITCH TTM OL FM MONI...

Страница 11: ... INTERLOCK RELAY RY2 RELAY RY1 SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH FOR PROPER OP ERATION REFERTOCHAPTER TESTPRO CEDURE NOTE MONITOR 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 foods on the turntable cook evenly during cooking The turntable may turn in either direction CO...

Страница 12: ...S BA021WRK0 as an assembly IMPORTANT Whenever 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 prima...

Страница 13: ...but extremely uneven heating is pro duced in oven load food Oven does not cook properly when programmedforCookingPower50 mode Operates properly on Cook ing Power 100 mode Oven goes into COMPU DEFROST but food is not defrosted well AH sensor does not end during Sen sor cooking condition Oven does not shut off after a cup of water is boiling by sensor cooking Oven stops at 16 sec after starting OFF ...

Страница 14: ... BE OBSERVED Power output of the magnetron can be measured by performing 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 t...

Страница 15: ... 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 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 8 Run the oven and check all functions HIGH VOLTAGES ARE PRESENT AT THE HIGH VOL...

Страница 16: ...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 17: ...In this service manual the touch control panel assembly is divided into two units Control Unit and Key Unit and also the Control Unit is divided into two units CPU Unit and Power Unit and 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 the door and block it open 3 Discharge high...

Страница 18: ... they continue to light up e Wrong figure appears f A certain group of indicators do not light up g The figure of all digits flicker h The following symptoms indicate a defective CPU unit When touching the keys on the touch screen a certain key produces no signal at all When touching a number key on the touch screen two figures or more are displayed When touching the keys on the touch screen somet...

Страница 19: ...e 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 coil If diode is good control unit is defective RELAY SYMBOL OPERATIONAL VOLTA...

Страница 20: ... cabinet 8 Reconnect the power supply cord after the outer case is installed 9 Run the oven and check all functions 2 Follow 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 pr...

Страница 21: ...ake sure the oven has been plugged in at least two minutes before checking sensor cook operation The cabinet should be installed and screws tightened 1 Fill approximately 200 milliliters 7 2 oz of tap water in a 1000 milliliter measuring cup 2 Place the container on the center of tray in the oven cavity 3 Close the door 4 Touch Reheat pad Now the oven is in the sensor cooking condition and REHEAT ...

Страница 22: ...nel is in the sensor cooking operation 9 3 After approximately 50 seconds push plunger of select switch for more than 3 seconds This condition is same as judgement by AH sensor 9 4 After approximately 3 seconds the display shows X X X X which is the remaining cooking time and the display counts down If the above is not the case the control unit is probably defective If the above is indicated the A...

Страница 23: ... IC1 to the initial state when power is supplied 7 Indicator Circuit This circuit consists of 100 x 160 dots using a Liquid Crystal Display The Liquid Crystal Display LCD is drived by IC5 8 Power Source Circuit This circuit generates voltages 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 clo...

Страница 24: ...ck signal is output to a memory IC IC4 16 RxD0 OUT Terminal not used 17 P93 OUT Key strobe signal Signal applied to key unit section A pulse signal is input to PB1 PB5 terminal while one of G1 line keys on key matrix is touched 18 P94 OUT Key strobe signal Signal applied to key unit section A pulse signal is input to PB1 PB5 terminal while one of G2 line keys on key matrix is touched 19 P95 OUT Ke...

Страница 25: ...wer source voltage GND 0V The power source voltage to drive LSI is input to Vss terminal 60 WATT IN Connected to VCC 61 P61 OUT Envelope signal to sound buzzer A key touch sound short beep B Completion sound melody or long beep 62 P62 OUT Reset signal is output to IC5 63 P67 OUT Terminal not used 64 STBY IN Connected to VCC 65 RES IN Auto clear terminal Signal is input to reset the LSI to the init...

Страница 26: ...To input signal which communicates the door open close information to LSI Door close H level signal 5V Door open L level signal GND 85 AN5 IN Used for initial balancing of the bridge circuit absolute humidity sensor This input is an analog input terminal from the AH sensor circuit and connected to the A D converter built into the LSI 86 AN6 IN AH sensor input This input is an analog input terminal...

Страница 27: ...hange the resistance values in parallel with R47 R52 Changing the resistance values results in that there is the same potential at both F 3 terminal of the absolute humidity sensor and AN5 terminal of the LSI The voltage of AN6 terminal will indicate about 2 5V This initial balancing is set up about 16 seconds after the unit is put in the SensorCookingmode Asthesensorcookingproceeds the food is he...

Страница 28: ...ply cord between the touch control panel and the oven itself 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 long enough that they may be separated from each other ...

Страница 29: ...pacitor and High voltage rectifier assembly 2 Hot parts Oven lamp Magnetron High voltage transformer 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 not close fir...

Страница 30: ...PLY BEFORE REMOVING OUTER CASE 2 DISCHARGE THE HIGH VOLTAGE CA PACITORBEFORETOUCHINGANYOVEN COMPONENTS OR WIRING HIGH VOLTAGE RECTIFIER AND HIGH VOLTAGE CAPACITOR REMOVAL 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 high voltage wire B from the power transformer 5 Disconnect the high voltage wire...

Страница 31: ... flange with the four 4 screws 3 Insert the two 2 tabs of the chassis support to the oven cavity front plate and the back plate 4 Hold the chassis support to the oven cavity back plate oven cavity front flang magnetron and the fan duct with the four 4 screws 5 Reconnect the wire leads to the magnetron and thermal cut out MG Refer to PICTORIAL DIAGRAM on page 33 6 Re installoutercaseandcheckthatthe...

Страница 32: ...g procedure 3 Hold the center of the bracket which supports the shaft of the fan motor on the flat 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 thefanbladewithasmall lightweight ballpeenhammer or rubber mallet CAUTION Do not hit the fan blade strongly when installed because the bracket may be disfigured Mak...

Страница 33: ...tor switch contacts close when door is opened 4 Re install outer case and check for microwave leakage around door with an approved microwave survey meter Refer to Microwave Measurement Procedure 1 Disconnect the power supply cord and remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect wire leads from the switches 5 Remove two 2 screws holding latch h...

Страница 34: ...oper 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 Deviation of door alignment from horizontal line of cavity face plate is to be less than 1 0mm 3 Door is positioned with its face pressed toward cavity face plate 4 Check for micr...

Страница 35: ... wire must be connected to the neutral WHT wire of the power supply cord GRY RED RED RED WHT YLW WHT BLK BLK BLK YLW YLW RED GRN GRN RED GRN WHT GRY BLK BLK WHT BLUE MARK BLK BLK BLK THERMAL CUT OUT MG FAN MOTOR THERMAL CUT OUT OVEN MONITOR FUSE HOLDER BLK BLK BLK BLK GRY WHT WHT 2 1 WHT WHT WHT GRY YLW RED GRN RY2 RY1 IC1 SH B SH A PRIMARY INTERLOCK RELAY CN A LOWER LOWER UPPER UPPER CN G CN C CN...

Страница 36: ...UZZR MICRO N C N C AC MICRO GREEN OVEN LAMP FAN MOTOR TURNTABLE MOTOR OVEN LAMP FAN MOTOR TURNTABLE MOTOR DOOR SENSING SWITCH NOTE IF NOT SPECIFIED 0 1µF 50V DOOR SENSING SWITCH AC120V 60Hz CN A CN C 11P LEAD WIRE HARNESS SP30 RY1 GND RY2 a b c d D1 D1 S1NB10 R2 91 1w Q1 2SD1859 R3 91 1w ZD1 HZ 16 1 R1 VRS1 J1 10G471K 2 4k 1 4w C2 1000µ 35v C1 C 4 C11 C10 C 9 C 7 C 8 C 2 C 1 ...

Страница 37: ...10 C9 C7 C8 C2 C1 C5 VR VA GND INT AH SENSOR BUZZER ENV BUZZER OVEN LAMP TURNTABLE MOTOR FAN MOTOR MICROR NC NC DOOR SENSING SWITCH CN C G 5 G 1 Set UP Pasta Grains Defrost 3 6 Frozen Food MINUTE PLUS START TOUCH SCREEN CPU UNIT KEY UNIT Popcorn Meat STOP CLEAR More from Your microwave Fish Seafood Reheat Beverage Center Vegetables Baked Potatoes Poultry G 2 G 3 G14 G 7 G 8 G 9 G10 G14 G6 G13 G12 ...

Страница 38: ...D E F G H A B C D E F G H Figure S 5 Printed Wiring Board of Power Unit R3 CN C Q1 SH A GREEN E B R2 D20 RY3 XA VH QKITPB031MREO J1 VRS1 CN A R1 ZD1 C2 C1 VH CN B SH B SP30 D22 RY1 RY2 D21 T1 P S 7 1 3 5 D U D U D U O M O M O M DIP D1 11 1 1 1 2 2 1 2 ...

Страница 39: ...AC 2 4 GLEGPA077WRF0 Leg 1 AH CONTROL PANEL PARTS 3 1 DPWBFC042WRKZ Power unit 1 BC 3 1A QCNCMA446DRE0 2 pin connector CN A 1 AC 3 1B FW VZA260DREZ 11pin lead wire CN C 1 AH 3 1C FW VZA195DRE0 Switch harness A SH A 1 AD 3 1D FW VZA256DREZ Switch harness B SH B 1 AF C1 RC KZA087DRE0 Capacitor 0 1 uF 50V 1 AA C2 VCEAB31VW108M Capacitor 1000 uF 35V 1 AF D1 RSRCDA013DRE0 Diode bridge S1NB10 1 AG Q1 VS...

Страница 40: ...28WRRZ Door frame R 340DW 1 AX 5 4 HPNL A740WRRZ Door screen R 340DK 1 AS 5 4 HPNL A742WRRZ Door screen R 340DW 1 AS 5 5 LSTPPA193WRFZ Latch head 1 AE 5 6 MSPRTA187WRE0 Latch spring 1 AC 5 7 XCPSD40P08000 Screw 4mm x 8mm 4 AA 5 8 PCUSUA461WRP0 Cushion 1 AB 5 9 GCOVHA417WRFZ Choke cover 1 AG MISCELLANEOUS 6 1 FROLPA079WRK0 Turntable support 1 AQ 6 2 NTNT A079WRE0 Turntable tray 1 AR 6 3 FW VZB771WR...

Страница 41: ... 17 1 11 1 15 4 14 4 2 1 12 7 1 7 5 1 7 4 21 1 8 7 3 7 3 1 13 7 6 4 24 4 11 4 19 7 2 4 9 1 6 1 1 7 1 2 3 2 3 7 6 7 6 7 6 7 6 1 9 4 6 7 6 4 15 4 16 4 18 7 3 4 8 7 4 4 4 4 15 4 22 7 6 7 6 1 4 4 7 7 7 7 6 7 2 4 23 4 20 7 1 7 6 4 10 6 9 4 20 4 12 6 2 6 1 4 1 7 6 1 3 1 2 1 1 4 3 2 4 4 5 2 2 7 3 7 3 7 1 1 14 1 5 6 6 7 9 4 22 4 25 4 23 7 3 ...

Страница 42: ... 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS DOOR PARTS MISCELLANEOUS Actual wire harness may be different from illustration 6 4 6 3 CAPACITOR 6 5 5 9 5 1 5 3 5 4 5 7 5 7 5 7 5 6 5 7 5 2 5 5 5 8 3 3 1 3 3 3 2 3 1 3 4 3 4 3 4 ...

Страница 43: ...N SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA416WRKZ PLASTIC BAG SSAKHA034WRE0 Not replaceable items PACKING CASE SPAKCD371WREZ R 340DK SPAKCD372WREZ R 340DW BOTTOM PAD ASSEMBLY FPADBA417WRKZ 6 2 TURNTABLE TRAY 6 8 INSTRUCTION BOOK PRINTING MATTER 6 1 TURNTABLE SUPPORT TRAY PACK SPADFA451WRE0 INTO THE OVEN CAVITY ...

Страница 44: ...000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be repro duced stored in retrieval systems or trans mitted in any form or by any means elec tronic mechanical photocopying record ing or otherwise without prior written per mission of the publisher ...

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