43R-320FKR-320FQR-320FWIn the interest of user-safety the oven should be restored to its originalcondition and only parts identical to those specified
8R-320FKR-320FQR-320FWFigure O-2. Oven Schematic-Cooking ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. COOKING TIME PROGRAMMED3. VARIABLE
9R-320FKR-320FQR-320FWDESCRIPTION AND FUNCTION OF COMPONENTSDOOR OPEN MECHANISMThe door is opened by pulling the door. Refer to the FigureD-1.Figure D
10R-320FKR-320FQR-320FWTROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connec
11R-320FKR-320FQR-320FWHome fuse or circuit breaker blowswhen power cord is plugged into wallreceptacleMonitor fuse blows when power cordis plugged in
12R-320FKR-320FQR-320FWB POWER TRANSFORMER TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. D
13R-320FKR-320FQR-320FWTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST(HIGH VOLTAGES ARE PRESENT AT THE HIGH VOLTAGE TERMINAL, SO DO NOT ATTEMPT TOMEASUR
14R-320FKR-320FQR-320FW1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Discharge high voltage ca
15R-320FKR-320FQR-320FWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTactuator is pushed by a screw driver through the lower latch hole on the front plat
16R-320FKR-320FQR-320FWJ KEY UNIT TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST2) Re-install the outer case (cabinet).3) Reconnect the power supply
17R-320FKR-320FQR-320FWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTclearing with a beep the key unit is faulty and must be replaced. If the control un
R-320FKR-320FQR-320FWPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EX-POSURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate
18R-320FKR-320FQR-320FWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTTo protect the electronic circuits, this model is provided with a fine foil pattern
19R-320FKR-320FQR-320FWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTN AH SENSOR TESTChecking the initial sensor cooking conditionWARNING : The oven sho
20R-320FKR-320FQR-320FW(8) Reconnect the power supply cord after the outer case is installed.(9) Reconnect the oven to the power supply and check the
21R-320FKR-320FQR-320FWTOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANELThe touch control section consists of the following units.(1) Key Uni
22R-320FKR-320FQR-320FW1-2 P26-P27 OUT Terminal not used.3-5 P70-P72 OUT Terminal not used.6 IC IN Connected to VC.7 X2 OUTInternal clock oscillation
23R-320FKR-320FQR-320FW23 P114 OUT Key strobe signal.Signal applied to touch-key section. A pulse signal is input to ANI7, P100, P101, P102and P103 te
24R-320FKR-320FQR-320FW49 P36 OUT Signal to sound buzzer (2.0 kHz).A: key touch sound.B: Completion sound.50 P37 IN To input signal which communicates
25R-320FKR-320FQR-320FW(1) Structure of Absolute Humidity SensorThe absolute humidity sensor includes two thermistorsas shown in the illustration. One
26R-320FKR-320FQR-320FW1. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of thecircuits. When handling the
27R-320FKR-320FQR-320FWTo remove the outer case, proceed as follows.1. Disconnect the power supply cord.2. Open the oven door and block it open.3. Rem
1R-320FKR-320FQR-320FWWARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withf
28R-320FKR-320FQR-320FWPOWER TRANSFORMER REMOVALReinstallation1. Rest transformer on the bottom plate with its primaryterminals toward the oven face p
29R-320FKR-320FQR-320FWCONTROL PANEL ASSEMBLY REMOVALPOSITIVE LOCK® CONNECTOR (NO-CASE TYPE) REMOVALFigure C-2. Positive lock® connector1. Disconnec
30R-320FKR-320FQR-320FW1.Disconnect the power supply cord and remove outer case.2. Open the door and block it open.3. Discharge high voltage capacitor
31R-320FKR-320FQR-320FWDOOR REPLACEMENTDOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH ADJUSTMENT1. Disconnect the power supply cord
32R-320FKR-320FQR-320FWchapter “Test Procedures”.).(B) An approved microwave survey meter should beused to assure compliance with proper microwaveradi
33R-320FKR-320FQR-320FW645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramPOWER SUPPLY CORD 120V 60HzHIGH VOLTAGE COMPONENTSCOM.MONITORSWITCHCOM
34R-320FKR-320FQR-320FWFigure S-2. Power Unit Circuit645123645123ABCDEFGHABCDEFGHA 1C10J21adc436T1RY1RY2DOOR SENSINGSWITCH12PIN LEAD WIREHARNESS(CN-B)
35R-320FKR-320FQR-320FWFigure S-3. CPU Unit Circuit645123645123ABCDEFGHABCDEFGHC-4C-2C-9C-3C-10C-1C-5C-8C-12C-11F-1 F-2 F-3G 9G10G11G12G13G14G 8 G 7 G
36R-320FKR-320FQR-320FWFigure S-4. Printed Wiring Board of Power Unit645123645123ABCDEFGHABCDEFGH1DIPFSWR3SP1R2EBR1C4C2C5RY2RY1VRS1PST1RY3D6D1D4D8D2D3
37R-320FKR-320FQR-320FW****∆*∆**∆∆PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marked “*” are used in voltage mor
2R-320FKR-320FQR-320FWMICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave
38R-320FKR-320FQR-320FWHOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MOD
39R-320FKR-320FQR-320FW645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS1-144-247-24-234-254-237-37-67-87-67-86-72-14-134-174-144-24-261-127-17-51-74
40R-320FKR-320FQR-320FW645123645123ABCDEFGHABCDEFGHCONTROL PANEL PARTSDOOR PARTSMISCELLANEOUSActual wire harness may be different from illustration.6
41R-320FKR-320FQR-320FWPACKING AND ACCESSORIES645123645123ABCDEFGHABCDEFGHDOOR PROTECTION SHEETSPADPA204WRE0TOP PAD ASSEMBLYFPADBA458WRKZPLASTIC BAGSS
42R-320FKR-320FQR-320FW2002 SHARP CORP. (2S2.530E) Printed in U.S.ACOPYRIGHT © 2002 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publicatio
3R-320FKR-320FQR-320FWSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALMICROWAVE OVENR-320FK/ R-320FQ/ R-320FWFOREW
4R-320FKR-320FQR-320FWITEM DESCRIPTIONPower Requirements 120 Volts / 14.2 Amperes60 HertzSingle phase, 3 wire groundedPower Output 1200 watts (IEC TES
5R-320FKR-320FQR-320FWcontact a qualified electrician and have it replaced with a properlygrounded three-pronged wall receptacle or have a grounding a
6R-320FKR-320FQR-320FWOPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functions duringoven operation.OFF CONDITI
7R-320FKR-320FQR-320FWtary cooking is determined by experiment with each foodcategory and inputted into the LSI.An example of how sensor works: (POTAT
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