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Sharp R-310AK Supplemental Service Manual

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Sharp R-310AK User Manual
Sharp R-310AK User Guide
Sharp R-310AK Online Manual

Text of Sharp R-310AK User Guide:

  • Sharp R-310AK, 5 R-310AK R-330AK R-330AW Pin No. Signal I/O Description 33 P71 OUT Terminal not used. 34 P70 IN Connected to VC. 35 RESET IN Auto clear terminal. Signal is input to reset the LSI to the initial state when power is applied. Temporarily set to “L” level the moment power is applied, at this time the LSI is reset. Thereafter set at “H” level. 36-37 P81-P80 OUT Terminal not used. 38 XIN IN Internal clock oscillation frequency input setting. The internal clock frequency is set by inserting the ceramic filter oscillation circuit with respect to XIN terminal. 39 XOUT OUT Internal clock oscillation frequency control output. Output to control oscillation input of XOUT. 40 VSS I

  • Sharp R-310AK, 21 R-310AK R-330AK R-330AW Pin No. Signal I/O Description 21 VSS IN Power source voltage: -5V VSS voltage of power source circuit input. 22 R70 OUT Magnetron high-voltage circuit driving signal. To turn on and off the cook relay (RY2). The signals holds "L" level during microwave cook- ing and "H" level while not cooking. In other cooking modes (variable cooking) the signal turns to "H" level and "L" level in repetition according to the power level. (ON and OFF times for other power level.) 23 PULSE OUT Signal to sound buzzer (2.0 kHz). A: key touch sound. B: Completion sound. 24 R72 OUT Oven lam

  • 17 R-310AK R-330AK R-330AW INFORMATION FOR PARTS CHANGING (R-310AK) EFFEC TIVE FROM INTER- CHANGE- ABILITY Interchangeability OLD NEWA. OLD NEWB. OLD NEWC. OLD NEWD. REPLACEMENT PART NO. REF.NO. DESCRIPTION OLD No. Q'ty NEW No. Q'ty CODE 1- 8 Magnetron RV-MZA197WRE0 1 RV-MZA271WRE0 1 A BL Jan./ 1997 2- 4 Foot GLEGPA006WRE0 1 GLEGPA023WRE0 1 A AB De

  • Sharp R-310AK, 45 R-310AK R-330AK R-330AW PACKING AND ACCESSORIES 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA341WRK0 PLASTIC BAG SSAKHA034WRE0 Not replaceable items. PACKING CASE SPAKCC829WRE0 (R-330AK) SPAKCC832WRE0 (R-330AW) BOTTOM PAD ASSEMBLY FPADBA342WRK0 6- 2 TURNTABLE TRAY 6- 8 INSTRUCTION BOOK & PRINTING MATTER 6- 1 TURNTABLE SUPPORT TRAY PACK SPADFA397WRE0 INTO THE OVEN CAVITY CA

  • Sharp R-310AK, 44 R-310AK R-330AK R-330AW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL, DOOR AND MISCELLANEOUS PARTS (R-330AK/AW) 5-8 5-2 5-5 5-1 5-3 5-6 5-7 3-2 3-6 3-5 3-3 3-1 3-4 3-9 3-7 3-8 3-2-1 3-1 Actual wire harness may be different from illustration. 6-4 6-5 6-3 (HIGH VOLTAGE TRANSFORMER) (CAPACITOR) Before attaching Control unit to Control panel, Foil side of Control unit must be cleaned by ethyl- alcohol. 5-9 5-4

  • Sharp R-310AK, 10 R-310AK R-330AK R-330AW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-1. Pictorial Diagram NOTE: The parts number of the main wire harness is the same as old one "FW-VZB572WRE0" and both wire harness are interchangeable. HIGH VOLTAGE CAPACITOR H.V. RECTIFIER POWER SUPPLY  CORD 120V 60Hz HIGH VOLTAGE COMPONENTS GRN OVEN LAMP  AND SOCKET MAGNETRON COM. MONITOR SWITCH COM. N.O. N.C. DOOR SENSING SWITCH SECONDARY INTERLOCK SWITCH TURNTABLE MOTOR NOTE: Hot (BLK) wire must be connected to the terminal with blue mark on the oven light socket. H N POWER  TRANSFORMER COM. COM. N.O. COM. NO CN-A 1 2 BL

  • Sharp R-310AK, 7 R-310AK R-330AK R-330AW Figure O-1. Oven Schematic-Off Condition SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY cooked without figuring time, power level or quantity. When the oven senses enough steam from the food, it relays the information to its microprocessor which will calculate the remaining cooking time and power level needed for best results. When the food is cooked, water vapor is developed. The sensor “senses” the vapor and its resistance increases gradually. When the resistance reaches the value set ac- cording to the menu, supplementary cooking is started.

  • Sharp R-310AK, R-310AK R-330AK R-330AW In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should be used. TABLE OF CONTENTS Page PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICE TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY ...................INSIDE FRONT COVER BEFORE SERVICING ........................................................................................................................................... 1 MICROWAVE MEASUREMENT PROCEDURE .........................................................................

  • Sharp R-310AK, 39 R-310AK R-330AK R-330AW CONTROL PANEL, DOOR AND MISCELLANEOUS PARTS (R-310AK) 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H 5-8 5-2 5-5 5-1 5-4 5-3 5-6 5-7 Actual wire harness may be different from illustration. 6-4 6-5 6-3 (HIGH VOLTAGE TRANSFORMER) (CAPACITOR) 3-2 3-6 3-5 3-3 3-1 3-4 3-9 3-7 3-8 3-2-1 3-1 Before attaching Control unit to Control panel, Foil side of Control unit must be cleaned by ethyl-alcohol. 5-9

  • Sharp R-310AK, 13 R-310AK R-330AK R-330AW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST If the monitor fuse is blown when the door is opened, check the primary interlock relay, secondary interlock switch and monitor switch according to the "TEST PROCEDURE" for those switches before replacing the blown monitor fuse. CAUTION: BEFORE REPLACING A BLOWN MONITOR FUSE, TEST THE PRIMARY INTERLOCK RELAY, SECONDARY INTERLOCK SWITCH, DOOR SENSING SWITCH AND MONITOR SWITCH FOR PROPER OPERATION. If the monitor fuse is blown by improper switch opera

  • Sharp R-310AK, 37 R-310AK R-330AK R-330AW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H HOW TO ORDER REPLACEMENT PARTS To have your order filled promptly and correctly, please furnish the following information. 1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRIPTION Order Parts from the authrized SHARP parts Distributor for your area. Defective parts required return should be returned as indicated in the Service Policy. PACKING AND ACCESSORIES (R-310AK) DOOR PROTECTION SHEET SPADPA204WRE0 TOP PAD ASSEMBLY FPADBA341WRK0 PLASTIC BAG SSAKHA034WRE0 Not replaceable items. PACKING CASE SPAKCC831WRE0 BOTTOM PAD

  • Sharp R-310AK, R-310AK R-330AK R-330AW PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: (1) interlock operation (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence of dropping or abus

  • 25 R-310AK R-330AK R-330AW HIGH VOLTAGE RECTIFIER AND HIGH VOLTAGE CAPACITOR REMOVAL 1. Disconnect oven from power supply and remove outer case. 2. Discharge high voltage capacitor. 3. Disconnect the high voltage wire B from the high voltage capacitor. 4. Disconnec t he high voltage wire of high voltage rectifier assembly from the magnetron. 5. Remove one (1) screw holding capacitor hol

  • Sharp R-310AK, 1 R-310AK R-330AK R-330AW BEFORE SERVICING Before servicing an operative unit, perform a microwave emission check as per the Microwave Measurement Procedure outlined in this service manual. If microwave emissions level is in excess of the specified limit, contact SHARP ELECTRONICS CORPORATION immediately @1-800-237-4277. If the unit operates with the door open, service person should 1) tell the user not to operate the oven and 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration's Center for Devices and Radiological

  • 5 R-310AK R-330AK R-330AW Electrical Requirements The electrical requirements are a 115 -120 volt 60 Hz, AC only, 15 or 20 amp. fused electrical supply. It is recommended that a separate circuit serving only this appliance be provided. When installing this appliance, observe all applicable codes and ordinances. A short power-supply cord is provided to reduce risks of becoming entangled in o

  • Sharp R-310AK, 15 R-310AK R-330AK R-330AW TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST N PROCEDURES TO BE TAKEN WHEN THE FOIL PATTERN ON THE PRINTED WIRING BOARD (PWB) IS OPEN To protect the electronic circuits, this model is provided with a fine foil pattern added to the primary on the PWB, this foil pattern acts as a fuse. If the foil pattern is open, follow the troubleshooting guide given below for repair. Problem: POWER ON, indicator does not light up. STEPS OCCURRENCE CAUSE OR CORRECTION 1 The rated AC voltage is not present between Check supply voltage and

  • Sharp R-310AK, 3 R-310AK R-330AK R-330AW TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the following units. (1) Key Unit (2) Control Unit (The Control Unit consists of Power Unit and CPU Unit). The principal functions of these units and the signals com- municated among them are explained below. Key Unit (R-330AK/AW) The key unit is composed of a matrix, signals generated in the LSI are sent to the key unit through P20 - P27. When a key pad is touched, a signal is completed through the key unit and passed back to the LSI through P74 - P77 to perform the function that was requested. Key Unit (R-310AK) The key unit is composed of a matrix, signals ge

  • Sharp R-310AK, 19 R-310AK R-330AK R-330AW Pin No. Signal I/O Description 28 P36 OUT Key strobe signal. Signal applied to touch-key section. A pulse signal is input to P20 - P23 terminal while one of G1 line keys on key matrix is touched. 29 P37 OUT Terminal not used. 30 VSS IN Power source voltage : -5V. VSS voltage of power source circuit input. 31-33 V3-V1 IN Power source voltage input terminal. Standard voltage for LCD. 34 VCC IN Connected to GND. 35 COM4 OUT Common data signal: COM4. Connected to LCD (Pin No. 1). 36 COM3 OUT Common data signal: COM3. Connected to LCD (Pin No. 2). 37 COM2 OUT Common data signal: COM2. Connected to LCD (Pin No. 3). 38 COM1 OUT Common data signal: CO

  • Sharp R-310AK, 4 R-310AK R-330AK R-330AW A B 0.1 sec. 2 sec. H : GND L : -5V H : GND L : -5V 16.7 msec. During cooking H : GND L : -5V P-HI H : GND L : -5V H : GND L : -5V P-70 ON ON OFF OFF OFF 24 sec. 8 sec. 16.7 msec. H : GND L : -5V DESCRIPTION OF LSI LSI(IZA757DR) : R-330AK/AW The I/O signal of the LSI(IZA757DR) is detailed in the following table. Pin No. Signal I/O Description 1 C1 IN Terminal not used. 2 VL1 IN Power source voltage input terminal. Standard voltage for LCD. 3-6 AN7-AN4 IN Terminal to change cooking constant according to the Model. By using the A/D converter contained in the LSI, DC voltage in accordance with the Model in operation is applied to set up its cooking

  • Sharp R-310AK, 16 R-310AK R-330AK R-330AW PARTS LIST FOR CONTROL PANEL REF. NO. PART NO. DESCRIPTION Q'TY CODE CONTROL PANEL PARTS 3- 1 CPWBFA722WRK0 Power unit [R-310AK] 1 BB 3- 1 CPWBFA723WRK0 Power unit [R-330AK] 1 BD 3- 1 CPWBFA723WRK0 Power unit [R-330AW] 1 BD 3- 1A QCNCMA394DRE0 2-pin connector (CN-A) 1 AD 3- 1B QCNCMA422DRE0 9-pin connector (CN-C) 1 AF 3- 1C FW-VZA195DRE0 Switch harness A (SN-A) 1 AD 3- 1D FW-VZA197DRE0 Switch harness B (SN-B) 1 AD 3- 1E FW-VZA196DRE0 Lead wire harness (WH-1) 1 AD 3- 1F LHLD-A171WRF0 LED holder 1 AE C1 RC-KZA087DRE0 Capacitor 0.1uF 50V 1 AB C2 VCEAB31EW108M Capacitor 1000uF 25V [R-310AK] 1 AE C2 VCEAB31VW108M

  • Sharp R-310AK, 20 R-310AK R-330AK R-330AW Pin No. Signal I/O Description 89 P41 IN Terminal not used. 90 P42 OUT Magnetron high-voltage circuit driving signal. To turn on and off the cook relay (RY2). The signals holds “L” level during microwave cook- ing and “H” level while not cooking. In other cooking modes (variable cooking) the signal turns to “H” level and “L” level in repetition according to the power level. 91 INT IN Signal synchronized with commercial power source frequency. This is basic timing for time processing of L

  • 2 R-310AK R-330AK R-330AW RY2 a b c d HVT AC (COM) VH XH 3 3 CN - A (J1) To protect the electronic circuits, this model is provided with a fine foil pattern added to the primary on the PWB, this foil pattern acts as a fuse. If the foil pattern is open, follow the troubleshooting guide given below for repair. Problem: POWER ON, indicator does not light up. STEPS O

  • 1 R-310AK R-330AK R-330AW J TOUCH CONTROL PANEL ASSEMBLY TEST The touch control panel consists of circuits including semiconductors such as LSI, ICs, etc. Therefore, unlike conventional microwave ovens, proper maintenance cannot be performed with only a voltmeter and ohmmeter. In this service manual, the touch control panel assembly is divided into two units, Control Unit a

  • Sharp R-310AK, 19 R-310AK R-330AK R-330AW 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H CONTROL PANEL, DOOR AND MISCELLANEEOUS PARTS FOR R-310AK 5-2 5-5 5-1 5-4 5-3 5-6 5-7 Actual wire harness may be different from illustration. 6-4 6-5 6-3 (HIGH VOLTAGE TRANSFORMER) (CAPACITOR) 3-1 3-7 3-7 3-7 3-6 3-5 3-3 3-2 3-1F 3-3-1 3-4 5-11 5-9 5 5-8 5-10

  • 22 R-310AK R-330AK R-330AW Pin No. Signal I/O Description 40 COM3 OUT Common data signal: COM1. Connected to LCD (Pin No. 3) 41 COM4 OUT Terminal not used. 42 VDD IN Power source voltage input terminal. Connected to GND. (1) Structure of Absolute Humidity Sensor The absolute humidity sensor includes two thermistors as shown in the illustration. One thermistor is housed in the closed vesse

  • Sharp R-310AK, 24 R-310AK R-330AK R-330AW COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE CAUTION: DISCONNECT OVEN FROM POWER SUPPLY BEFORE REMOVING OUTER CASE. DISCHARGE HIGH VOLTAGE CAPACITOR BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING AFTER REMOVING OUTER CASE. OUTER CASE REMOVAL To remove the components, procedure as follows. 1. Disconnect oven from power supply. 2. Remove four(4) screws from rear and one (1) screws along the right side of case. 3. Slide the entire case back out about 1 inch(3 cm) to free it from retaining clips on the cavity face plate. 4. Lift entire case from the unit. CAUTION: DISCONNECT OVEN FROM POWER SUP- PLY BEFORE REMOVING OUTER CASE. POWER TRANSFORMER REMOVAL l

  • Sharp R-310AK, 17 R-310AK R-330AK R-330AW TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL The touch control section consists of the following units as shown in the touch control panel circuit. (1) Key Unit (2) Control Unit The principal functions of these units and the signals com- municated among them are explained below. Key Unit (R-330AK / AW) The key unit is composed of a matrix, signals generated in the LSI are sent to the key unit through P36, P35, P34, P33, P27, P26, P25 and P24. When a key pad is touched, a signal is completed through the key unit and passed

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