
R-21HTR-21HVIn the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified should be
R-21HTR-21HV8DESCRIPTION AND FUNCTION OF COMPONENTSDOOR OPEN MECHANISMThe door is opened by grasping the door handle, refer toFigure D-1.When the door
R-21HTR-21HV9TROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.When t
R-21HTR-21HV10TEST PROCEDURECONDITION PROBLEMPOSSIBLE CASEAND DEFECTIVE PARTSHome fuse or circuit breaker blows when power cord is plugged into wall
R-21HTR-21HV11B POWER TRANSFORMER TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharge
R-21HTR-21HV12TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block i
R-21HTR-21HV13TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block i
R-21HTR-21HV14H BLOWN MONITOR FUSE TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2.
R-21HTR-21HV15TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST7) Reconnect the power supply cord after the outer case is installed.8) Run the oven and che
R-21HTR-21HV16K RELAY TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door
R-21HTR-21HV176) Reconnect all leads removed from components during testing.7) Re-install the outer case (cabinet).8) Reconnect the power supply cord
R-21HTR-21HVPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allow th
R-21HTR-21HV18This model has 20 Memory pads.When the oven is shipped, Memory pad 1 to 10 areset as follows: fig.1.Memory No. Cook Time Output Power1 1
R-21HTR-21HV191 VCC IN Power source voltage: +5V.VC voltage of power source circuit input.2/3VEE/AVSSIN Connected to GND4 VREF IN Connected to VC. (+5
R-21HTR-21HV2022-24 P44-P42 OUT Digit selection signal.Signal similar to P45.25 INT1 IN Signal synchronized with commercial power source frequency.Thi
R-21HTR-21HV2161 P33 OUT Key strobe signal.Signal applied to touch-key section. A pulse signal is input to P27, P26, P25 and P24terminals while one of
R-21HTR-21HV22approx. 1M ohmECBICKIA7805P1321TransistorDTA123ESDTB143ESDTC143ESDTD143ESTOUCH CONTROL PANEL SERVICING4) Re-install the outer case (cabi
R-21HTR-21HV23PROCEDURE FOR CHECKING/CLEARINGSERVICE COUNTS OF MICROWAVE OVENThe following procedure enables the servicer to obtain thetotal using tim
R-21HTR-21HV242) To check the constants of Express defrost." ": Flicker / : 0.1 sec BUZZERPAD DISPLAY INDICATOR PHONE.CHECK . "No
R-21HTR-21HV25To remove the outer case, proceed as follows.1. Disconnect the power supply cord.2. Open the oven door and block it open.3. Remove the f
R-21HTR-21HV26POWER TRANSFORMER REMOVAL6. Disconnect the main wire harness from the powertransformer.7. Remove the two (2) screws holding the transfo
R-21HTR-21HV27COOLING FAN MOTOR REMOVALPOSITIVE LOCK® CONNECTOR (NO-CASE TYPE) REMOVALFigure C-2. Positive lock® connector1. Disconnect the power su
R-21HTR-21HV1WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing
R-21HTR-21HV284. Install the fan blade to the shaft of fan motor by pushingthe fan blade with a small, light weight, ball peen hammeror rubber mallet.
R-21HTR-21HV29CHOKE COVER1. Disconnect the power supply cord.2. Open the door slightly.3. Insert a putty knife (thickness of about 0.5mm) into thegap
R-21HTR-21HV30Figure C-6. Door Disassembly7. Release two (2) pins of door panel from two (2) holes ofupper and lower oven hinges by lifting up.8. Now,
R-21HTR-21HV311. Disconnect the power supply cord.2. Open the door and block it open.3. Make sure that the smooth surface of the ceramic shelfface up.
R-21HTR-21HV32645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramGRYORGTHERMAL CUT-OUT125˚C(OVEN)OVEN LAMP & SOCKETTHERMALCUT-OUT145°C(
R-21HTR-21HV33645123645123ABCDEFGHABCDEFGHFigure S-2a. Control Panel Circuit (R-21HT)+–+–+–+––+A3A5A7NONOCOMCOMB1 B2G12G11G10G9G1 G2 G3 G4 G5 G6 G7 G8
R-21HTR-21HV34645123645123ABCDEFGHABCDEFGHFigure S-2b. Control Panel Circuit (R-21HV)+–+–+–+––+A3A5A7NONOCOMCOMB1 B2G12G11G10G9G1 G2 G3 G4 G5 G6 G7 G8
R-21HTR-21HV35645123645123ABCDEFGHABCDEFGHFigure S-3. Printed Wiring Board113FR30R83(C83)R82(C82)R81(C81)R80R58R57R56R55R54R53R52R51R50(R91)(R90)(R89)
R-21HTR-21HV36***∆*PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marked “*” are used in voltage more than 250V.REF
R-21HTR-21HV37∆∆∆∆∆∆REF. NO. PART NO. DESCRIPTION Q'TY CODER80-88 VRD-B12EF472J Resistor 4.7 ohm 1/4W 9 AARY2 RRLY-A101DRE0 Relay (VRB12) 1
R-21HTR-21HV2MICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiation
R-21HTR-21HV38HOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MODEL NUMBER
R-21HTR-21HV39645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS7-37-37-121-136-41-17-74-154-151-84-197-74-337-47-17-17-41-111-154-34-44-51-31-57-54-3
R-21HTR-21HV40645123645123ABCDEFGHABCDEFGHCONTROL PANEL PARTSDOOR PARTSMISCELLANEOUS3-2-23-33-2-33-2-13-23-13-43-43-43-4Actual wire harness may be di
R-21HTR-21HV41PACKING AND ACCESSORIESINSTRUCTION BOOKTOP PAD ASSEMBLY (FPADBA385WRK0)BOTTOM PAD ASSEMBLY (FPADBA386WRK0)WRAP COVER (SSAKHA034WRE0)
R-21HTR-21HV42'98 SHARP CORP. (7S2.530E) Printed in U.S.ACOPYRIGHT © 1998 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may
R-21HTR-21HV3SHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALLIGHT DUTYCOMMERCIALMICROWAVE OVENR-21HT/ R-21HVFOREW
R-21HTR-21HV4ITEM DESCRIPTIONPower Requirements 120 Volts14 Amperes60 Hertz / Single phase, 3 wire groundedPower Output 1000 watts (IEC 705 Test Proce
R-21HTR-21HV53-Pronged PlugGroundedReceptacle BoxGrounding Pin3-Pronged ReceptacleOVEN DIAGRAM1. Back splash cover2. Side splash cover3. Oven light4.
R-21HTR-21HV6OPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functions duringoven operation.OFF CONDITIONClosing
R-21HTR-21HV7SCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED.2. SELECTATIME PAD TOUCHED.3. COOKING TIME ENTERED.4. START PAD TOUCHED.Figure O-2 Oven Sc
Komentarze do niniejszej Instrukcji