Sharp R-55TSF Service Manual

R-55TS-FIn the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified should be used

R-55TS-F8Figure O-1. Oven Schematic-Off ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. CLOCK APPEARS ON DISPLAYSCHEMATICNOTE: CONDITION OF

R-55TS-F9Figure O-3. Oven Schematic-GRILL1 Cooking ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. "GRILL" TOUCHED ONCE3. COOKING

R-55TS-F10DESCRIPTION AND FUNCTION OF COMPONENTSDOOR OPEN MECHANISMThe door is opened by pushing the open button on thecontrol panel, refer to the Fig

R-55TS-F11TROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.When trou

R-55TS-F12CK = Check / RE = ReplaceABCDEEEFFGH I IJ MNOOOOOPQRERERE RECK CK CKTEST PROCEDUREMAGNETRONPOWER TRANSFORMERH.V. RECTIFIER ASSEMBLYHIGH VOLT

R-55TS-F13B POWER TRANSFORMER TESTA MAGNETRON ASSEMBLY TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then r

R-55TS-F14TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it op

R-55TS-F15TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it op

R-55TS-F16TEST PROCEDURESPROCEDURELETTERCOMPONENT TESTare operating properly, according to the above Switch Test Procedure. Disconnect the wire lead f

R-55TS-F179. Reinstall the outer case (cabinet).10.Reconnect the power supply cord after the outer case is installed.11.Run the oven and check all fun

R-55TS-FPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or allow the o

R-55TS-F18TEST PROCEDURESPROCEDURELETTERCOMPONENT TESTBefore testing,1) Disconnect the power supply cord, and then remove outer case.2) Open the door

R-55TS-F19TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST4.7KABCR50R51R52R534.7K100K100K4321111095 6WH-B13P HARNESS127 8Switch UnitBAKEMICROSW1ENCODERTOA

R-55TS-F20TEST PROCEDURESPROCEDURELETTERCOMPONENT TESTTo protect the electronic circuits, this model is provided with a fine foil pattern added to the

R-55TS-F21TOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANELThe touch control section consists of the following units asshown in the touch con

R-55TS-F22DESCRIPTION OF LSILSIThe I/O signal of the LSI is detailed in the following table.Pin No. Signal I/O Description1-2 VL2-VL1 IN Power source

R-55TS-F2318 P50 OUT Lower heater driving signal.To turn on and off the lower heater relay (RY4).“L” level during GRILL2 cooking or Bake cooking.“H” l

R-55TS-F24Pin No. Signal I/O Description43 P15 OUTTact switch strobe signal.Signal applied to tact switch section. A pulse signal is input to P24 - P2

R-55TS-F251. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of the circuits.When handling these parts, the

R-55TS-F26PRECAUTIONS FOR USING LEAD-FREE SOLDER1. Employing lead-free solderThe "Main PWB" of this model employs lead-free solder. This is

R-55TS-F27To remove the outer case, proceed as follows.1. Disconnect the power supply cord.2. Open the door and block it open.3. Remove the six (6) sc

R-55TS-F1WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing part

R-55TS-F28Removal1. Disconnect the power supply cord and then remove theouter case.2. Open the oven door and block it open.3. Discharge the high volta

R-55TS-F292. Reinstall the air duct to the magnetron with the two (2)screws.3. Reinstall the magnetron to the waveguide flange withthe three (3) screw

R-55TS-F304. Remove the two (2) screws holding the main wire harnessto the upper heater.5. Remove the one (1) screw holding the heater fix angleleft t

R-55TS-F31Side ViewRear View6. Remove the fan blade from the fan motor shaft accordingto the following procedure.7. Hold the edge of the rotor of the

R-55TS-F32REMOVAL1. Disconnect the power supply cord.2. Open the door slightly.3. Insert a putty knife (thickness of about 0.5mm) into thegap between

R-55TS-F33Sealer filmBacking filmAdhesive tapethe door frame.6. Reinstall the door panel to the door frame by fitting eight(8) tabs of the door frame.

R-55TS-F34645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGH VOLTAGECAPACITORH.V. RECTIFIERPOWER SUPPLY CORD 120V 60HzHIGH VOLTAGE COMPONEN

R-55TS-F35645123645123ABCDEFGHABCDEFGHFigure S-2. Control Unit CircuitT1D1D2D3D4Q1Q23RY3RY24.7KR304613A1A5dacbN.O.COMCOMN.O.N.O.COMA315KR1COMQ26Q24Q22

R-55TS-F36645123645123ABCDEFGHABCDEFGHFigure S-3. Printed Wiring BoardSWITCH UNIT POWER UNITSn-Ag-CuSn-Ag-CuLD1 LD2LD3WH-AASW14SW1323SNACKSTOASTBAKEMI

R-55TS-F37*****∆**∆∆ELECTRIC PARTS1- 1 QSW-MA085WRE0 Secondary interlock switch / Door sensing switch 2 AF1- 2 FFS-BA038WRKZ Monitor fuse (15A) and mo

R-55TS-F2MICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiation emi

R-55TS-F38REF. NO. PART NO. DESCRIPTION Q'TY CODEHOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish t

R-55TS-F39645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS7-197-19x2x2x2x22-34-147-57-196-64-311-167-17-144-257-147-144-331-74-234-39 7-34-171-117-8

R-55TS-F40645123645123ABCDEFGHABCDEFGHDOOR PARTSCONTROL PANEL PARTSMISCELLANEOUS3-94-2155-15-45-85-65-35-25-55-76-55-73-13-53-73-83-93-33-23-43-6Actu

R-55TS-F41PACKING AND ACCESSORIESPAD ASSEMBLY(CPADBA327WRKZ)TRAY PAD ASSEMBLY(SPADFA598WREZ)6-1 TURNTABLE SUPPORT6-4 TURNTABLEWRAP COVER(SSAKHA087WR

R-55TS-F2005 SHARP CORP. (12S1.695E) Printed in U.S.ACOPYRIGHT © 2005 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be repro

R-55TS-F3SHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALTOASTER OVEN WITH MICROWAVER-55TS-FFOREWORDThis Manual ha

R-55TS-F4ITEM DESCRIPTIONPower Requirements 120 Volts / 8.5 Amperes (Microwave)/ 10.8 Amperes (Grill and Bake)60 Hertz / Single phase, 3 wire grounded

R-55TS-F5grounding adapter properly grounded and polarized. If the extensioncord must be used, it should be a 3-wire, 15 amp. or higher rated cord.Do

R-55TS-F6OPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functions duringoven operation.OFF CONDITIONClosing the

R-55TS-F7UPPER HEATER MODE (GRILL1)In this mode, the food is cooked by the upper heater. Pressthe GRILL pad once and then enter the cooking time byrot