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Amana LD510D Service Manual

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Download this manual See also: Owner's Manual, Service
CAUTION
BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.
Microwave Oven
Service Manual
LD510D
R

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Summary of Contents for Amana LD510D

  • Page 1 Microwave Oven Service Manual LD510D CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS This device is to be serviced only by properly qualified service personnel. Consult the service manual for proper service procedures to assure continued safety operation and for precautions to be taken to avoid possible exposure to excessive microwave energy. PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY...

  • Page 3: Table Of Contents

    CONTENTS (Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 CAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 INSTALLATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1...

  • Page 4: Specifications

    SPECIFICATIONS ITEM ITEM ITEM ITEM DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION DEL10D DEL10D DEL10D LD510D MODEL MODEL MODEL MODEL 230 Volts AC50 Hz 230 Volts AC50 Hz 230 Volts AC50 Hz 230 Volts AC 50 Hz Power Requirement Power Requirement Power Requirement...

  • Page 5: Cautions

    CAUTIONS Unlike other appliances, the microwave oven is MICROWAVE RADIATION high-voltage and high-current equipment. Personnel should not be exposed to the Though it is free from danger in ordinary use, microwave energy which may radiate from the extreme care should be taken during repair. magnetron or other microwave generating device if it is improperly used or connection.

  • Page 6: Installations

    INSTALLATIONS INSTALLATIONS INSTALLATIONS INSTALLATIONS BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. INSTALLING INSTALLING INSTALLING...

  • Page 7: Operating Instructions

    OPERATING INSTRUCTIONS FEATURES Splatter Shield Splatter Shield Splatter Shield Splatter Shield Splatter Shield Splatter Shield Splatter Shield Door Window Screen Door Window Screen Door Window Screen Door Window Screen Door Window Screen Door Window Screen Door Window Screen Timer Knob Timer Knob Timer Knob Timer Knob...

  • Page 8: Schematic Diagram

    SCHEMATIC DIAGRAM...

  • Page 9: Circuit Description

    CIRCUIT DESCRIPTION • A high voltage of approximately 2100 volts AC is generated in the secondary of the high voltage GENERAL DETAILS transformer which is increased by the action of the high voltage diode and charging of the high voltage •...

  • Page 10: Service Information

    SERVICE INFORMATION TOOLS AND MEASURING INSTRUMENTS NECESSARY TOOLS NECESSARY MEASURING INSTRUMENTS Tools normally used for TV servicing are sufficient. ¥ TESTER (VOLTS-DC, AC, Ohmmeter) Standard tools are listed below. ¥ Microwave survey meter ¥ Diagonal pliers - Holaday HI-1500 ¥ Long nose pliers HI-1501 ¥...
  • Page 11 MEASUREMENT WITH OUTER CASE NOTES WHEN MEASURING REMOVED ¥ Do not exceed meter full scale deflection. ¥ The test probe must be removed no faster than ¥ When you replace the magnetron, measure for 1 inch/sec (2.5 cm/sec) along the shaded area, microwave energy leakage before the outer case is otherwise a false reading may result.

  • Page 12: Measurement Of Microwave Power Output

    MEASUREMENT OF MICROWAVE POWER OUTPUT • Microwave power output measurement is made with • Microwave power output measurement is made with • Microwave power output measurement is made with • Microwave power output measurement is made with • The microwave power output P in watts is calculated •...
  • Page 13 D. TIMER MOTOR REMOVAL Remove choke cover cap Remove choke cover cap Remove choke cover cap Remove choke cover cap 1) Remove the control panel assembly from the cavity. (Refer to control panel assembly removal on previous page.) 2) Remove screws which hold the timer motor to the control panel.
  • Page 14 F. MAGNETRON REMOVAL G. REMOVING THE STIRRER FAN MOTOR 1) Disconnect the leadwire from the magnetron. 1) Lay the unit down on its back. 2) Remove the stirrer fan motor cover. 2) Carefully remove the mounting screws holding the The stirrer fan base cover is easily removed by magnetron and the waveguide.
  • Page 15 H. HIGH VOLTAGE TRANSFORMER K. INTERLOCK SYSTEM REMOVAL 1) INTERLOCK MECHANISM The door lock mechanism is a device which has 1) Discharge the high voltage capacitor. been specially designed to eliminate completely 2) Disconnect the leadwire from magnetron, high voltage microwave activity when the door is opened during transformer, and capacitor.

  • Page 16: Interlock Continuity Test

    INTERLOCK CONTINUITY TEST WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION EMISSION, REPLACE ONLY WITH IDENTICAL REPLACEMENT PARTS. TYPE NO. SZM-V 16-FA-63 OR VP-533A-OF FOR PRIMARY SWITCH TYPE NO. SZM-V 16-FA-62 OR VP-532A-OF FOR MONITOR SWITCH TYPE NO. SZM-V 16-FA-63 OR VP-533A-OF FOR SECONDARY SWITCH B.

  • Page 17: Component Test Procedure

    COMPONENT TEST PROCEDURE CAUTIONS 1. DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE OUTER CASE FROM THE UNIT. PROCEED WITH THE TEST ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND REMOVING THE WIRE LEADS FROM THE PRIMARY WINDING OF THE HIGH VOLTAGE TRANSFORMER.
  • Page 18 COMPONENTS COMPONENTS COMPONENTS COMPONENTS TEST PROCEDURE TEST PROCEDURE TEST PROCEDURE TEST PROCEDURE RESULTS RESULTS RESULTS RESULTS Antenna Antenna Antenna Antenna Antenna Antenna Antenna Antenna Gasket Gasket Gasket Gasket Gasket Gasket Gasket Gasket Chassis Chassis Chassis Chassis Chassis Chassis Chassis Chassis Filament Filament Filament...
  • Page 19 COMPONENTS COMPONENTS COMPONENTS COMPONENTS TEST PROCEDURE TEST PROCEDURE TEST PROCEDURE TEST PROCEDURE RESULTS RESULTS RESULTS RESULTS FAN MOTOR FAN MOTOR FAN MOTOR FAN MOTOR Measure the resistance. Measure the resistance. Measure the resistance. Measure the resistance. Normal: Approx. 350 ~450 ohm Normal: Approx.

  • Page 20: Trouble Shooting

    TROUBLE SHOOTING WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF THE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THE MICROWAVE OVEN. THIS CAN ELIMINATE AN UNNECESSARY SERVICE CALL. CAUTIONS 1. Check grounding before checking for trouble. 2.
  • Page 21 (TROUBLE 1) Oven does not operate at all CONDITION CHECK RESULT CAUSE REMEDY Malfunction of the Replace fuse, Check continuity 1. Fuse blows. Continuity. monitor switch. primary, monitor of monitor and secondary switch (with switches. door closed). No continuity. Replace fuse Replace fuse, Check continuity Continuity.
  • Page 22 (TROUBLE 2) Oven seems to be operating but little heat is produced in oven load. CONDITION CHECK RESULT CAUSE REMEDY Lower than 90% of Decrease in power Suggest customer Output is low Check the rating voltage. source voltage contact local power source with load.
  • Page 23 (TROUBLE 3) No microwave oscillation even though oven lamp and fan motor run. CONDITION CHECK RESULT CAUSE REMEDY No microwave Defective timer Replace timer Check the timer No continuity. oscillation. motor. motor. switch of timer motor.(cooking state) Continuity. Check high vol- Defective high Replace high Abnormal...

  • Page 24: Exploded View

    #EV# EXPLODED VIEW INTRODUCTION MODEL: LD510D...
  • Page 25 #EV# DOOR PARTS 1005 1013 1004 2385 2384 1006 1007...
  • Page 26 #EV# CONTROL PANEL PARTS 2014 2386 W109 W102 2015 2002 2003 2005 2007...
  • Page 27 #EV# OVEN CAVITY PARTS 3001 W108 7037 5024 W118 3009 W105...
  • Page 28 #EV# LATCH BOARD PARTS 4001 W102 4002 4000 4003 4002...
  • Page 29 #EV# INTERIOR PARTS W140 5014 5010 5001 W140 5016 3006 5041 3031 W140 5012 W102 5049 5003 W110 5007 W128 5015 5000 W136 W101 W109 W101 5013 5020 5053 W101 9000 5006 W108 5055 3007 W109 5002 5009...
  • Page 30 #EV# BASE PLATE PARTS 5008 6001 6000 W115 W108 W101 6007...

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