Sharp Carousel R-305KS User Manual

PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EXPO-SURE TO EXCESSIVE MICROWAVE ENERGYBEFORE SERVICINGCHAPTER 1. WARNING TO S

R305KS6 – 1R305KSService Manual CHAPTER 6. OPERATION[1] DESCRIPTION OF OPERATING SEQUENCE The following is a description of component functions during

R305KS6 – 2[2] OVEN SCHENATIC1. Off Condition Figure O-1. Oven Schematic-

R305KS6 – 3[3] DESCRIPTION AND FUNCTION OF COMPONENTS1. DOOR OPEN MECHANISMThe door is opened by pushing the open button on the control panel,refer to

R305KS7 – 1R305KSService Manual CHAPTER 7. TROUBLESHOOTING GUIDE Never touch any part in the circuit with your hand or an uninsulated tool whi

R305KS8 – 1R305KSService Manual CHAPTER 8. TEST PROCEDURES[1] Procedure A : MAGNETRON ASSEMBLY TEST1. Disconnect the power supply cord, and then remo

R305KS8 – 26. Reinstall the outer case (cabinet).7. Reconnect the power supply cord after the outer case is installed.8. Run the oven and check all fu

R305KS8 – 32. Open the door and block it open.3. Discharge high voltage capacitor.4. Isolate the switch and connect the ohmmeter to the common (COM.)

R305KS8 – 4CAUTION: BEFORE REPLACING A BLOWN MONITOR FUSE, TEST THE PRIMARY INTERLOCK RELAY, SECONDARY INTERLOCK SWITCH,DOOR SENSING SWITCH AND MONITO

R305KS8 – 5b) At a certain digit, brightness is low.c) Only one indicator does not light. d) The corresponding segments of all digits do not light up;

R305KS8 – 6[13] Procedure L : RELAY TEST1. Disconnect the power supply cord, and then remove outer case.2. Open the door and block it open.3. Dischar

CONTENTSPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EXPO-SURE TO EXCESSIVE MICROWAVE ENERGYBEFORE SERVICINGCHAPTER 1. WARN

R305KS8 – 7[15] Procedure N : FOIL PATTERN ON THE PRINTED WIRING BOARD TESTTo protect the electronic circuits, this model is provided with a fine foi

R305KS9 – 1R305KSService Manual CHAPTER 9. TOUCH CONTROL PANEL ASSEMBLY[1] OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the fo

R305KS9 – 224 COM2 OUT Common data signal.Connected to LCD signal COM3.25 COM3 OUT Terminal not used.26-39 SEG0-SEG13 OUT Segment data signal.Connecte

R305KS9 – 3[3] SERVICING FOR TOUCH CONTROL PANEL1. Precautions for Handling Electronic ComponentsThis unit uses CMOS LSI in the integral part of the c

R305KS10 – 1R305KSService Manual CHAPTER 10. PRECAUTIONS FOR USING LEAD-FREE SOLDER[1] Employing lead-free solderThe "Main PWB" of this mode

R305KS11 – 1R305KSService Manual CHAPTER 11. COMPONENT REPLACEMENT AND ADJUSTMENT PROCE-DURE[1] WARNINGSPlease refer to “OVEN PARTS, CABINET PARTS, CO

R305KS11 – 2[2] OUTER CASE REMOVALTo remove the outer case, procedure as follows.1. Disconnect the power supply cord.2. Open the oven door and block i

R305KS11 – 32. REINSTALLATION1. Reinstall the magnetron to waveguide flange with the four (4)screws. 2. Reinstall the air duct to the oven cavity top

R305KS11 – 4 Figure C-2a Graphic Sheet and Membrane Switch Replacement Figure C-2b Ribbon Cable of Membrane S

R305KS11 – 53. Apply the screw lock tight into the hole (for shaft) of the fan blade.4. Install the fan blade to the shaft of fan motor by pushing the

R305KSiR305KSService Manual PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOIDPOSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGYBEFOR SERVIC

R305KS11 – 62. REINSTALL1. Reinstall each switch in its place. The secondary interlock/monitorswitches are in the lower position and the door sensing

R305KS11 – 716.Now, door screen is free.17.Remove the door decoration from the door frame by straighteningall tabs of the door decoration.18.Now, the

R305KS12 – 1R305KSService Manual CHAPTER 12. CIRCUIT DIAGRAMS[1] Pictorial Diagram (Figure S-1)Figure S-1. Pictorial DiagramHIGH VOLTAGECAPACITORH.V.

R305KS12 – 2[2] Control Unit Circuit (Figure S-2)Figure S-2. Control Unit Circuit SEG14AIN 1AIN 0SEG0P20VLC2VLC1VLC0CAPLCAPHP70AIN 5P03COM0IC-1AIN 2AI

R305KS12 – 3[3] Printed Wiring Board of Power Unit(Figure S-3)Figure S-3. Printed Wiring Board of Power Unit

PARTS LISTMICROWAVE OVENMODELSHARP CORPORATIONCONTENTSThis document has been published to be usedfor after sales service only.The contents are subject

R305KS 2[1] OVEN PARTS7-104-127-14-14-54-44-136-47-34-34-94-122-17-11-131-21-77-31-101-94-107-107-107-84-117-54-177-47-101-51-44-21-11-11-117-77-107-1

R305KS3NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[1] OVEN PARTSELECTRIC PARTS1-1 QSW-MA147WRZZ AGSecondary interlock switch / door sensing s

R305KS 4[2] DOOR AND CONTROL PANEL PARTS3-26-73-33-53-73-83-2-13-2-43-2-23-2-53-43-13-63-2-66-65-15-33-2-35-25-45-95-55-75-65-8

R305KS5NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[2] DOOR AND CONTROL PANEL PARTSCONTROL PANEL PARTS3-1 DPWBFC414WRUZ BHControl unit3-2 FPNL

R305KS1 – 1R305KSService Manual CHAPTER 1. WARNING TO SERVICE PERSONNELMicrowave ovens contain circuitry capable of producing very high voltage and cu

R305KS6INDEXPARTS CODE No.PRICE RANKNEW MARKPART RANK[ D ]DPWBFC414WRUZ 2-3-1 BH[ F ]FACCDA098WREZ 1-1-3 --FACCDA099WREZ 1-1-3 --FACCDA109WREZ 1-1-3

R305KS2 – 1R305KSService Manual CHAPTER 2. MICROWAVE MEASUREMENT PROCEDURE[1] Requirements:1. Microwave leakage limit (Power density limit): The power

R305KS3 – 1R305KSService Manual CHAPTER 3. FOREWORD AND WARNING[1] FOREWORDThis Manual has been prepared to provide Sharp Electronics Corp. Service Pe

R305KS4 – 1R305KSService Manual CHAPTER 4. PRODUCT DESCRIPTION[1] SPECIFICATIONSITEM DESCRIPTIONPower Requirements120 Volts 60 HertzSingle phase, 3 wi

R305KS5 – 1R305KSService Manual CHAPTER 5. GENERAL INFORMATION[1] GROUNDING INSTRUCTIONSThis oven is equipped with a three prong grounding plug. It mu

R305KS5 – 22. TOUCH CONTROL PANELNOTE: Some one-touch cooking features such as "MINUTE PLUS" are disabled after three minutes when the oven