Sharp R-303CW Manual de Serviço

R-303CWTABLE OF CONTENTSPagePRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TOAVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ...

8R-303CW645123645123ABCDEFGHABCDEFGHFigure S-3. CPU Unit Circuit+–+–C-3G 9G 85 4 3 2 1 0 9 8 7 6 G 7 G 6 G 5 G 4 G 3 G 2 G 1G10G11G12G13G14C-5C-9C-4C-

9R-303CW645123645123ABCDEFGHABCDEFGHFigure S-4. Printed Wiring Board of Power UnitCN - BCN - COLTTM FMSP1RY1RY3 RY2 MICROBROWNERVHACOMDUOMOMDUDU174F3

10R-303CW***∆**PARTS LISTNote: The parts marked “∆” may cause undue microwave exposure.The parts marked “*” are used in voltage more than 250V.REF. NO

11R-303CWHOW TO ORDER REPLACEMENT PARTSTo have your order filled promptly and correctly, please furnish the following information.1. MODEL NUMBER 2. R

12R-303CW645123645123ABCDEFGHABCDEFGHOVEN AND CABINET PARTS7-57-87-57-81-106-72-14-134-104-171-114-144-21-127-17-51-71-84-194-201-67-12-32-37-67-67-67

13R-303CW645123645123ABCDEFGHABCDEFGHCONTROL PANEL PARTSMISCELLANEOUSDOOR PARTSActual wire harness may be different from illustration.6-46-3(CAPACITO

14R-303CW'99 SHARP CORP. (3S2.530E) Printed in U.S.ACOPYRIGHT © 1999 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be r

R-303CWPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVEENERGY(a) Do not operate or allow the ove

1R-303CWWARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of pro-ducing very high voltage and current, contact withfollowing parts

2R-303CWSHARP ELECTRONICS CORPORATIONSHARP PLAZA, MAHWAH,NEW JERSEY 07430-2135SERVICE MANUALMICROWAVE OVENR-303CWFOREWORDThis Manual has been prepared

3R-303CWITEM DESCRIPTIONPower Requirements 120 Volts / 13 Amperes60 HertzSingle phase, 3 wire groundedPower Output 1100 watts (IEC-705 TEST PROCEDURE)

4R-303CWTOUCH CONTROL PANELFigure O-1. Oven Schematic-Off ConditionSCHEMATICNOTE: CONDITION OF OVEN1. DOOR CLOSED2. CLOCK APPEARS ON DISPLAY120V AC6

5R-303CWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTI TOUCH CONTROL PANEL ASSEMBLY TESTThe touch control panel consists of circuits including semicond

6R-303CWTEST PROCEDURESPROCEDURELETTERCOMPONENT TESTb) Clock does not operate properly.c) Cooking is not possible.When testing is completed,1) Disconn

7R-303CW645123645123ABCDEFGHABCDEFGHFigure S-2. Power Unit Circuit+–A 1C 3C 5C 9C 4C 6C 8C 1C 7C 2A 2NONOSH-ACOMCOMD1S1NB10T1ACACGNDVRINTBUZZERMICR