Sharp R-1514F Service Manual

4SUPPLEMENTAL

8R-1514 L TOUCH CONTROL PANEL ASSEMBLY TESTLQCKCONTROL UNITAH SENSORSHORTED OR OPENED WIRINGThe oven stops and "ERROR" is displayed or does

9R-1514 TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST3) To discharge high voltage capacitor, wait for 60 seconds.4) Replace the key unit.5) Reconnect a

10R-1514 N RELAY TESTO DEFROST CENTER TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST1. Disconnect the power supply cord, and then remove outer case.

11R-1514 TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST(8) The oven will operate as follows.Menu 1ST STAGE 2ND STAGESteaks/Chops LEVEL TIME LEVEL TIME0.

12R-1514 TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST9) Disconnect the power supply cord.10) Open the door and block it open.11) To discharge high vol

13R-1514 TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST(7) Re-install the outer case (cabinet).(8) Reconnect the power supply cord after the outer case

14R-1514 TOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANEL3) Synchronizing Signal CircuitThe power source synchronizing signal is available i

15R-1514 10 AN0 IN Used for initial balancing of the bridge circuit (absolute humidity sensor). This input isan analog input terminal from the AH sens

16R-1514 34 P26 OUT Key strobe signal.Signal applied to touch-key section. A pulse signal is input to P43-P46 terminal while oneof G7 line keys on key

17R-1514 Pin No. Signal I/O Description77 COM2 OUT Common data signal. Connected to LCD signal COM3.78 COM1 OUT Common data signal. Connected to LCD s

32R-1514 PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EXPO-SURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or allow th

18R-1514 1. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of thecircuits. When handling these parts, the

19R-1514 Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts mayresult in severe, possi

20R-1514 to the oven cavity top plate, the oven cavity front flangeand the fan duct. And remove the hood intake duct R.5. Disconnect the connector CN-

21R-1514 8. Screw the oven lamp off from the lamp socket.9. Now, the oven lamp is free.10.Pull the wire leads from the oven lamp socket by pushingthe

22R-1514 645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGH VOLTAGERECTIFIERHIGH VOLTAGECAPACITORHIGH VOLTAGEWIRE AHIGH VOLTAGE COMPONENTSC

23R-1514 645123645123ABCDEFGHABCDEFGHFigure S-2. Power Unit CircuitN.OC 1C 7C 3C 5C12C 4C 9C 2C 8C 6C13C14E 2E 1C11C10N.OCOMCOMB 7B 9B 5B 3B 1A 5A 3A

24R-1514 Figure S-3. LSI Unit Circuit645123645123ABCDEFGHABCDEFGHC 5C 1C 7C 2C 9C 8C 3C 6C 4C12C11C14F-1 F-2CN-FCN-GF-3G11G12 G 9G 8KEY UNIT1245386907

25R-1514 645123645123ABCDEFGHABCDEFGHFigure S-4. Printed Wiring Board0FCSM27A 94V 0MBMR350RBFBDIPLOT NO.QKITPB035MRE0RY1VRS1R30T1S8513PC100D26D24D23D

26R-1514 PARTS LISTNote: The parts marked "∆" may cause undue microwave exposure.The parts marked "*" are used in voltage more

27R-1514 REF. NO. PART NO. δ DESCRIPTION Q'TY CODE 3- 2-2 FDECAB030MRK0 M Open button 1 AU 3- 2-3 JBTN-B138MRF0 M Select button

1R-1514 WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing parts

28R-1514 HOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MODEL NUMBER 2. R

29R-1514 645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS6-1-54-102-64-234-244-177-61-106-74-184-172-26-106-67-11-147-57-57-57-57-3 6-87-56-137-34-

30R-1514 '02 SHARP CORP. (8M2.42E) Printed in U.S.A645123645123ABCDEFGHABCDEFGH6-46-5 6-96-16-1-16-1-26-1-36-1-76-156-1-56-1-66-1-45-2-33-2-33-2-

2R-1514 MICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiation emit

3R-1514 SHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALOVER THE RANGEMICROWAVE OVEN R-1514FOREWORDThis Manua

4R-1514 ITEM DESCRIPTIONPower Requirements 120 Volts / 14 Amperes / 1600 Watts60 HertzSingle phase, 3 wire groundedPower Output 1000 watts (IEC TEST

6R-1514 Figure O-1. Oven Schematic-Off ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED.2. CLOCK APPEARS ON DISPLAY.SENSOR COOKING CONDITIONUs

7R-1514 SCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED.2. COOKING TIME PROGRAMMED.3. VARIABLE COOKING CONTROL "HIGH".4. "START" BU