Sharp R-509FW Supplemental Manual Download Page 9

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R-509FW

Figure O-2 Oven Schematic - Cooking Condition

Figure O-1 Oven Schematic - Off Condition

SCHEMATIC

NOTE: CONDITION OF OVEN

1. Door Closed

2. CLOCK APPEARS ON DISPLAY

SCHEMATIC

3. VARIABLE COOKING CONTROL "HIGH"

2. COOKING TIME PROGRAMMED

1. DOOR CLOSED

NOTE: CONDITION OF OVEN

4. "START" PAD TOUCHED

Note:* Indicates component

CAVITY

TEMPERATURE

FUSE

120VAC

60Hz

COM.

RED

WHT

BRN

WHT

ORG

RED

WHT

GRN

N.O.

CONTROL UNIT

C/T

FUSE

N.O.

(RY2)

COM.

DOOR

SENSING

SWITCH

TTM

TURN

TABLE

MOTOR

FAN

MOTOR

OVEN

LAMP

MONITOR

SWITCH

PRIMARY

INTERLOCK

SWITCH

POWER

TRANSFORMER

MAGNETRON

HIGH

VOLTAGE

CAPACITOR

ORG

WHT

SECONDARY

INTERLOCK

RELAY

ORG

BRN

ORG

RED

GRY

GND

WHT

SENSOR

(RY1)

OVEN

LAMP

RELAY

COM.

N.O.

HUMIDITY

COM.

N.C.

HIGH

VOLTAGE

RECTIFIER

ORG

CAVITY

TEMPERATURE

FUSE

120VAC

60Hz

COM.

RED

WHT

BRN

WHT

ORG

RED

WHT

GRN

N.O.

CONTROL UNIT

N.O.

(RY2)

COM.

DOOR

SENSING

SWITCH

TTM

TURN

TABLE

MOTOR

FAN

MOTOR

OVEN

LAMP

MONITOR

SWITCH

PRIMARY

INTERLOCK

SWITCH

POWER

TRANSFORMER

MAGNETRON

HIGH

VOLTAGE

CAPACITOR

ORG

WHT

SECONDARY

INTERLOCK

RELAY

ORG

BRN

ORG

RED

GRY

GND

WHT

SENSOR

(RY1)

OVEN

LAMP

RELAY

COM.

N.O.

HUMIDITY

COM.

N.C.

HIGH

VOLTAGE

RECTIFIER

ORG

C/T

FUSE

RED

Summary of Contents for R-509FW

Page 1: ... subject to change without notice Service Headquarters Sharp Plaza Mahwah New Jersey 07430 2135 R 509FW This is a supplemental Service Manual for Microwave Oven model R 509FW This model is quite similar to the base models R 510FK FW S12M182R510FE This supplemental manual must be used in conjunction with the base model service manual for complete operation service safety and replacement parts infor...

Page 2: ...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 Microwave Me...

Page 3: ...tor 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 Reconnect t...

Page 4: ...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 Cooking ...

Page 5: ...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 Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing Service person nel Do not contact the following parts while the appliance is energized High Voltage Capac...

Page 6: ...yandobligationofthecustomertocontact SPECIFICATION ITEM DESCRIPTION PowerRequirements 120 Volts 13 3 Amperes 1600 watts 60 Hertz Single phase 3 wire grounded PowerOutput 1100 watts IEC 705 TEST PROCEDURE Operatingfrequencyof2450MHz CaseDimensions Width 24 Height 13 3 8 Depth 19 1 8 Cooking Cavity Dimensions Width 17 3 8 Height 10 1 2 1 8 Cubic Feet Depth 18 5 8 ControlComplement Touch Control Syst...

Page 7: ...oven will not operate unless the door is securely closed 3 Removable turntable support 4 Removable turntable The turntable will rotate clockwise 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 Time display Digital display 99 minutes 99 seconds 10 Wave guide cover 11 P...

Page 8: ...the turntable motor the cooling fan motor and the high voltage componentsarede energized theovenlampremainson andthedigitalread outdisplaysthetimestillremainingin the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of theprimaryinterlockswitchandsecondaryinterlockrelay andismechanicallyassociatedwiththedoorsothatitwill function in the following sequence...

Page 9: ...N LAMP MONITOR SWITCH PRIMARY INTERLOCK SWITCH POWER TRANSFORMER MAGNETRON HIGH VOLTAGE CAPACITOR ORG WHT SECONDARY INTERLOCK RELAY ORG BRN ORG ORG RED RED GRY GRY GND WHT F3 F2 F1 SENSOR RY1 OVEN LAMP RELAY COM N O HUMIDITY COM N C HIGH VOLTAGE RECTIFIER ORG CAVITY TEMPERATURE FUSE 120VAC 60Hz COM RED RED WHT WHT WHT WHT BRN WHT WHT WHT ORG RED WHT WHT GRN N O B2 B1 CONTROL UNIT N O RY2 COM DOOR ...

Page 10: ...ching the pads a certain pad produces no signal at all b When touching a number pad two figures or more are displayed c When touching the pads sometimes a pad produces no signal If the Key unit is defective I TOUCH CONTROL PANEL 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 capacitor 4 Before performing this t...

Page 11: ...ase 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnect all leads removed from components during testing 5 Re install the outer case cabinet 6 Reconnect the power supply cord after the outer case is installed 7 Run the oven and check all functions TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST J KEY UNIT TEST 1 Disconnect the power supply cord and then remove outer ca...

Page 12: ...ltage between the normal open terminal of the relay RY1 and the normal open terminal of the relay RY2 on the control unit with an A C voltmeter The 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 D...

Page 13: ...ter the outer case is installed 9 Run the oven and check all functions 2 Followthetroubleshootingguidegivenbelow ifindicatordoesnotlightupafterabovecheckandrepairs 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 primary of the power transformer 5 Ensure that these leads rem...

Page 14: ...to tell the LSI if the door is open or closed 8 Back Light Circuit A circuit to drive the back light Light emitting diodes LD1 LD4 TOUCHCONTROLPANELASSEMBLY OUTLINEOFTOUCHCONTROLPANEL The touch control section consists of the following units 1 Key Unit 2 Control Unit The Control Unit consists of Power Unit and LSI Unit The principal functions of these units and the signals communicated among them ...

Page 15: ...2 OUT Magnetron high voltage circuit driving signal To turn on and off the cook relay RY2 The signals holds L level during microwave cooking and H level while not cooking In other cooking modes variable cooking the signal turns to H level and L level in repetition according to the power level 17 18 P51 P50 OUT Terminal not used 19 P47 IN Signal coming from touch key When either G12 line on key mat...

Page 16: ... Key strobe signal Signal applied to touch key section A pulse signal is input to P41 P45 P47 and P70 terminal while one of G5 line keys on key matrix is touched 37 P23 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to P41 P45 P47 and P70 terminal while one of G4 line keys on key matrix is touched 38 P22 OUT Key strobe signal Signal applied to touch key section A...

Page 17: ...ected to VC 76 COM3 OUT Terminal not used 77 COM2 OUT Common data signal Connected to LCD signal COM3 78 COM1 OUT Common data signal Connected to LCD signal COM2 79 COM0 OUT Common data signal Connected to LCD signal COM1 80 VL3 IN Power source voltage input terminal Standard voltage for LCD ...

Page 18: ...EG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 COM3 COM2 C0M1 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 STOP CLEAR 53 52 51 50 41 PRESET LED GND VC INT AN7 AN6 AN5 AN4 BUZZER VR MICRO D20 OVEN LAMP FAN MOTOR TURNTABLE MOTOR DOOR SENSING SWITCH NOTE IF NOT SPCIFIED 1 16W 5 C4 0 1µ 50v C11 0 01µ 25v C5 0 01µ 25v C6 0 01µ 25v R2 82 R3 4 7k R6 1k R7 15k R8 4 7...

Page 19: ...108M M Capacitor 1000 uF 25V 1 AB C3 VCEA0A1AW227M M Capacitor 220 uF 10V 1 C21 VCEAB31VW106M J Capacitor 10 uF 35V 1 AA D1 4 RH DZA006PRE0 J Diode 1N4002 4 AD D20 22 VHD1SS270A 1 J Diode 1SS270A 3 AA D40 VHD1SS270A 1 J Diode 1SS270A 1 AA LD1 4 RH PXA002DRZZ M Light emitting diode 4 Q21 VSKRC243M 3 J Transistor KRC243M 1 AB R1 VRD B12HF561J J Resistor 560 ohm 1 2W 1 AA RY1 2 RRLY A114DRE0 J Relay ...

Page 20: ... cover 1 AG MISCELLANEOUS 6 1 FW VZB125MRE0 M Stop switch harness 1 AU 6 2 FW VZB192MRE0 M Main wire harnes 1 AU 6 3 TLABBB007MRE0 M Cavity hole cover 1 AA 6 4 FROLPB025MRK0 M Turntable support 1 AN 6 5 NTNT A099WRE0 M Turntable tray 1 AT 6 6 TCAUAB045MRR0 M Monitor caution label 1 AA 6 7 TCAUAB038MRR0 M DHHS Screw caution label 1 AB 6 8 TINSEB306MRK0 M Operation manual 1 AD 6 9 QW QZB016MRE0 M Hi...

Page 21: ...G H OVEN AND CABINET PARTS 2 3 4 7 6 7 1 5 4 6 4 8 4 9 6 3 6 5 6 4 2 1 7 5 1 11 4 10 7 2 7 2 7 4 4 3 1 12 1 9 7 3 7 6 7 5 1 8 7 7 4 2 7 4 1 10 1 3 1 4 7 1 1 7 4 4 7 1 4 1 1 1 1 2 2 2 2 2 2 2 2 2 7 4 7 4 4 12 7 4 6 6 1 6 4 5 1 13 7 8 7 6 7 8 7 6 1 6 4 11 7 9 7 9 1 7 ...

Page 22: ...6 4 5 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL PARTS Actual wire harness may be different from illustration 6 9 6 2 6 1 5 1 5 3 5 2 5 5 5 7 5 6 5 4 3 5 3 2 2 3 2 1 3 2 3 3 3 4 3 1 3 6 3 2 3 DOOR PARTS MISCELLANEOUS ...

Page 23: ...ESSORIES DOOR PROTECTION SHEET PLASTIC BAG PACKING CASE TOP PAD ASSEMBLY INTO THE OVEN CAVITY 6 5 TURNTABLE TRAY 6 8 OPERATION MANUAL BOTTOM PAD ASSEMBLY TRAY HOLDER 6 4 TURNTABLE SUPPORT ON TOP OF THE OVEN Non replaceable items ...

Page 24: ...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 recording orotherwise withoutpriorwrittenpermission of the publisher ...

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