Sharp R-1210F Service Manual

35R-1210R-1211In the interest of user-safety the oven should be restored to itsoriginal condition and only parts identical to those specified shouldbe

8R-1210R-1211J TOUCH CONTROL PANEL ASSEMBLY TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTThe touch control panel consists of circuits including sem

9R-1210R-1211TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST2. Open the door and block it open.3. To discharge high voltage capacitor, wait for 60 second

10R-1210R-1211M DEFROST CENTER TESTN FOIL PATTERN ON THE PRINTED WIRING BOARD TESTTEST PROCEDURESPROCEDURELETTERCOMPONENT TEST10.To discharge high vol

11R-1210R-1211TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST2) Open the door and block it open.3) To discharge high voltage capacitor, wait for 60 secon

12R-1210R-1211TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST(6) After approximately 16 seconds, microwave energy is produced.If ERROR is displayed or th

13R-1210R-1211TEST PROCEDURESPROCEDURELETTERCOMPONENT TEST(17) Reconnect the power supply cord after the outer case is installed. Run the oven and che

14R-1210R-1211TOUCH CONTROL PANEL ASSEMBLYOUTLINE OF TOUCH CONTROL PANEL3) Synchronizing Signal CircuitThe power source synchronizing signal is availa

15R-1210R-1211DESCRIPTION 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 sou

16R-1210R-121125 P41 OUT Terminal not used.26 P40 IN Connected to GND through the pull-down resistor R100.27RESETIN Auto clear terminal.Signal is inpu

17R-1210R-121148-72SEG24-SEG0OUT Segment data signal.Connected to LCD.The relation between signals are as follows:LSI signal (Pin No.) LCD (Pin No.) L

36R-1210R-1211PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EXPO-SURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or all

18R-1210R-1211ABSOLUTE HUMIDITY SENSOR CIRCUIT(1) Structure of Absolute Humidity SensorThe absolute humidity sensor includes two thermistorsas shown i

19R-1210R-12111. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of thecircuits. When handling these parts,

20R-1210R-1211Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts mayresult in severe,

21R-1210R-12115. Remove the two (2) screws and one (1) washer holdingthe AH sensor to the exhaust duct.6. Release the wire lead of AH sensor from the

22R-1210R-12116. Remove the two (2) screws holding the bottom sash tothe oven cavity front face plate.7. Remove the bottom sash with 11-pin wire harne

23R-1210R-1211Note: As the engaging part of choke cover and door frameare provided at 15 places, do not force any particularpart.CHOKE COVER6. Insert

24R-1210R-1211645123645123ABCDEFGHABCDEFGHFigure S-1. Pictorial DiagramHIGH VOLTAGERECTIFIERHIGH VOLTAGECAPACITORHIGH VOLTAGEWIRE AHIGH VOLTAGE COMPON

25R-1210R-1211645123645123ABCDEFGHABCDEFGHFigure S-2. Power Unit CircuitN.OCOMN.OCOMB-1C 1C 2C 3C 4C 6C 5C 9+–+–B-2T1AC(N)GNDVAINTBUZZERMICROOVEN LAMP

26R-1210R-1211Figure S-3. LSI Unit Circuit645123645123ABCDEFGHABCDEFGHC 1C 2C 3C11C 6C 4C 5C 9G 9G 8 G 7 G 5 G 4 G 3 G 2 G 1G10G11G12 +–C1 0.1µ/50vC1

27R-1210R-1211645123645123ABCDEFGHABCDEFGHFigure S-4. Printed Wiring BoardCN - FDIPR53R52(J2)21R50RY1 RY2D22CN - A(J1)D3D4T1S115358PD1D2QKITPB036MRE0Z

1R-1210R-1211WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing

28R-1210R-1211PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marked “*” are used in voltage more than 250V. "§

29R-1210R-1211REF. NO. PART NO. § DESCRIPTION Q'TY CODE∆∆∆∆∆∆∆∆∆*3- 3 JBTN-B116MRF0 M Open button [R-1210] 13- 3 JBTN-B117MRF0 M Open button [R-1

30R-1210R-1211HOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MODEL NUMBER

31R-1210R-1211645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS4-102-44-177-61-101-96-94-176-87-57-57-57-57-1A6-107-24-134-154-87-82-12-61-137-27-21-

32R-1210R-1211645123645123ABCDEFGHABCDEFGHRIGHT PANEL PARTSMISCELLANEOUSDOOR PARTS6-66-76-56-116-16-1-16-1-26-1-36-1-76-26-1-56-1-66-1-45-2-25-2-35-2

33R-1210R-1211PACKING AND ACCESSORIES4-3TURNTABLE TRAY 6-2SCALE PLATE TOP PADSPADBB043MRE0BOTTOM PADSPADBB044MRE0SSAKAB004MRE0SPAKCB324MRR3 [R-1210]SP

34R-1210R-1211'02 SHARP CORP. (3S0.700E) Printed in U.S.ACOPYRIGHT © 2002 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may

2R-1210R-1211MICROWAVE MEASUREMENT PROCEDUREA. Requirements:1) Microwave leakage limit (Power density limit): The power density of microwave radiation

3R-1210R-1211SHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALOVER THE COUNTERMICROWAVE OVENR-1210/ R-1211FOREWORDT

4R-1210R-1211NOTE: Some one-touch cooking features such as "MINUTE PLUS" are disabled after three minutes when the ovenis not used. These f

5R-1210R-1211OPERATIONDESCRIPTION OF OPERATING SEQUENCEThe following is a description of component functions duringoven operation.OFF CONDITIONClosing

6R-1210R-1211Figure O-2. Oven Schematic-Cooking ConditionFigure O-1. Oven Schematic-Off ConditionNOTE: " " indicates components with pote

7R-1210R-1211TROUBLESHOOTING GUIDENever touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected.When t