PU7EG8525X-YMicrowave Oven

@ MODEL: EG8525X- Y ~~~~V VE POSS I~.~~ 0 ~ol attempt .to operate this oven with C. Do not operate the oven if it is damaged. l t~e dqpr or;'en.c$ince open-door ope~ation It is panicularly importan~that the oven door :i,.. I "anresuft Inharmfuj exposllre to microwave close properly and that there is no damage to !jte~ergy. It..is i~portant ~ol to deieat or the (1 } Door (bent), (2) hinges and latches tamper\vlththe safety Interlocks. (broken or loosened), (3) door seals and ' 8' 0I.bsaaling surfaces~~. 9 notp ace any object etween . ; [~ven frontfac? and the door or allow D. The oven should not be adjusted or repaired ,; cf~oiJ'!Jrcteac~er residue to accumulate on by anyone except properly qualified service 1 ;saaftng sunaces. personnel. SAVE -'-HESE INSTRUCTIONS -- 0 - - 0- . Lccc- . MPQ)RTA~T c . NSTRUCTIONS service facility for examination, repair or replacement Do not attempt to service OT repair this appliance. , O. Do not cover or block any openings on the appliance. Do not store items on top of microwave oven if there are louvers on top of oven. 1'. Do not store this appiiance outdoors. Do not use this product near water for example. near a kitchen sink, in a wet basement, or near a. swimming pool, and the like. i 2. Do no[ immerse cord or plug in water. i 3. Keep cord away from heated surfaces.- 14. Do not let cord hang over edge or table or counter. 15. When cleailino surfaces of door and oven ths.t come together on dosing the door, use only miid, nonabrasive soaps or detergents applied with a sponge or soft cloth. 16. To reduce the risk of fire in the oven cs.Vity: a. Do not overcook iood. esp~ia1ly sta~'y items such as potatoes and fatty items such as bacon. Carefully attend appfiance if paper, plastic. or other combustible materials are .placed inside the oven to facilitat.e cooking. b. Remove wire twist-ties from paper or plastic -. . . bag beroreplac,lng bag In oven. c. If materials inside the oven should ignite, keep oven door closed, turn oven oft, and disconnect the power cord, or shut off power at the fuse or circuit breaker panel. d. Do not use the cavity for storage purposes. Do nQt leave paper products; cooking ulensils, or food in the cavity when nol in use. e. Do nol put metal inside the oven, except as speciiicallydescnbed In Ihe manual or cookbook if supplied \vilh this oven. SAFETY - -- - r When \.1sing electric:! appliances. basic safe~ pre?~utions should be follov/ed. including the following: Vy~.RN1NG~!o reduce Ihe risk of bums, electrical. Si1oc~.. firs, Injury to persons or exposure to excessive mit:-6~v2veene~y: i.tR~.OALL.TH=INSTRUCT1ONS SEFORE USING ,-. ,-ApoUANC'- . I Mc.. c:. 2.;RJad:and follow the sDe!:iiic -?rer...autions ~o avoid , . :pos~ibleexposure to excessive mic..owave energy- , . . ;.ounoaoove. ; 3.:T~is appliance must be grounded and properiy . P9,ca~z.e? Conneotonly to ~ properly.grounded and po'~fe-:1 olitIeL S:e -Grounotng Instrudons- on page 3. 4.lnst~lIor locaie this appiiance only in ac:ordance 'vlitl1 the installation instructions described in this :.manual. : r" 5.iSomeproducts such as Y/hole eggs and sealed i i::ohtainers. such as closed glass jars, may explode .;anki shouid not be heated in this oven. I 6. ; Vfie t~is 2.~piiance only for its intended use.as de$cnoed In the manual. 00 not use corrosIVe '!cn~ry1.1cals or vapqrs in this appliance. This type of ,ovenls specifically designed to heat. cook, dry, or : o~irost food. It is noL desioned for industrial. '!a~br~tory. orcommerdal-use. It i~ intended fo~ !"hdi}1euse only. 09 not use for drying dothes. linens, n~wspaper, or similar non-lood type items. 7 .j Make~:sure- that all persons using this appliance. . ~speciajly chlidren, are closaly supervised and propsriyinstructed on how to usa this appliance. I 8. D~:n6t operate thj~ appliance i.i it h2S a damaged rC~d prplug. ii i: isnOI working properly, or if it has j.b~~n oamaocd ororopped. f\.tf,H~s.~ppiiarice Should be serviced onl}' by qu~l!fied i 5e~lc~ personnel. Contact the neares: authonzed TABLE OF CONTENTS cl!use contents paae 00 Introduction and Safety precautions 1 2 3 4 5 1 2 3 4 5 Introduction Safety Precautions Exploded Views Schematic Diagrams Parts List Heating Principle of Microwave 6 Trou bleshooting Procedures 7 Common breakdown and means of repairing 12 Critical Parts Servicing 13 important things to do prior to critical parts servicing interlock assembly replacement and adjustment door and hinge replacement and adjustment magnetron replace ment 13 13 13 13 2 3 4 Safety checks and tests after servicing 14 1 2 3 14 14 15 constructional checks insulation resistance test microwave leakage test IN,TRO~UCTION ~is Microwave Oven Service Manual is printed in a loose leaf fonnat. Each part is qivided into sections relating to a general group of components and each section is s\ibdivided into various parts descn"bing a particular component or service procedure, The subdividing of the subject matter plus the loose leaf form Will facilitate the updating of the manual as new or revised components and service procedures are introduced. Each page of this service manual will be identified in the lower right hand comer 8nd as dew or revised pages are published it will be easy to keep the manual up to date by following the filing instruc~ions on the cover letter. This Service Manual is a valuable service tool and .care should be taken to keep it up to date by prompt and proper filling of subsequent pages as they are issued. SAFETY PRECAUTIONS T~IS ~A~UAL, AS WELL AS THE INFORMATION CONTAINED IN IT, IS TO BE USED ONLY BY AN AUTHOR'iZED SERVICE TECHNICIAN FAMILIAR WITH AND KNOWLEDGEABLE OF P~O~RSAFETY AND SERVICING PROCEDURES AND POSSESSING HIGH QUALITY TEST E~U1PMENT ASSOCIATED WITH MICROWAVE AND ELECTRICAL APPLIANCE REPAIR. ALL INDIVIDUALS WHO ATTEMPT REPAIRS BY IMPROPER MEANS OR ADJUSTMENT, S~BJECT THEMSELVES AND OTHERS TO THE RISK OF SERIOUS OR FATAL INJURY. THE HEATING PRINCIPLE OF MICROWAVE Microwave Is one kind or radio wa…

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EUT – Chassis Front View EUT – Chassis Rear View EUT – Chassis Top View EUT – Chassis Bottom View

FCC PRODUCT LABELING AND WARNING STATEMENT Proposed FCC Label Format Specifications: Text is white in color and is left justified. Labels are silk-screened and shall be “permanently affixed” at a conspicuous location on the EUT. Proposed Label Location on EUT Rear View of EUT Proposed FCC ID Location FCC Warning Statement Generally the FCC Warning Statement is provided in the product manual. Per FCC Section 15.19 (3), all devices shall bear the following statement in a conspicuous location on the device: “This device complies with Part 15 of the FCC Rules. Operation is subject to the flowing two conditions: (1) this device may not cause harmful interference, (2) this device must accept any interference received, including interference that may cause undesired operation.” When the device is so small or for such use that it is not practicable to place the statement specified, the information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or alternatively, shall be placed on the container in which the device is marketed. However, the FCC identifier or the unique identifier, as appropriate, must be displayed on the device. FCC:PU7EG8525X-Y

EUT – Chassis Uncovered Left View EUT – Chassis Uncovered Right View EUT – Chassis Uncovered Top View Controller PCB Component View Controller PCB Solder View

Note: This report may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. FCC ID PER PART 18 EMI MEASUREMENT AND TEST REPORT For Shunde MD Microwave Oven Manufactory Co., Ltd. Penglai Road, Beijiao, Shunde, Guangdong, P.R. China FCC ID: PU7EG8525X-Y November 9, 2001 This Report Concerns: Original Report Equipment Type: Microwave Oven – Consumer ISM Equipment Test Engineer: Hien Pham Test Date: October 29, 2001 Reviewed By: John Y. Chan – Engineering Manager Prepared By: Bay Area Compliance Laboratory Corporation 230 Commercial Street, Suite 2 Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732-9164 Shunde MD Microwave Oven Manufactory Co., Ltd. FCC ID: PU7EG8525X-Y Report # Test Reprot FCC ID Per Part 18 Test Report Page 2 of 16 TABLE OF CONTENTS 1 - GENERAL INFORMATION.................................................................................................................................................3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)........................................................................................3 1.2 OBJECTIVE................................................................................................................................................................................3 1.3 TEST METHODOLOGY..............................................................................................................................................................3 1.4 TEST FACILITY.........................................................................................................................................................................3 1.5 TEST EQUIPMENT LIST AND DETAILS...................................................................................................................................4 1.6 LOCAL SUPPORT EQUIPMENT LIST AND DETAILS...............................................................................................................4 2 – OPERATING CONDITION/TEST CONFIGURATION.............................................................................................5 2.1 JUSTIFICATION..........................................................................................................................................................................5 2.2 SCHEMATICS / BLOCK DIAGRAM...........................................................................................................................................5 2.3 EQUIPMENT MODIFICATIONS.................................................................................................................................................5 2.4 CONFIGURATION OF TEST SYSTEM.......................................................................................................................................6 2.5 TEST SETUP BLOCK DIAGRAM...............................................................................................................................................6 3 – RADIATION HAZARD MEASUREMENT.....................................................................................................................7 3.1 RADIATION HAZARD MEASUREMENT...................................................................................................................................7 3.2 INPUT POWER...........................................................................................................................................................................7 3.3 LOAD FOR MICROWAVE OVENS............................................................................................................................................7 3.4 RF OUTPUT POWER MEASUREMENT....................................................................................................................................8 3.5 OPERATING FREQUENCY MEASUREMENT............................................................................................................................9 4 - RADIATED EMISSION DATA..........................................................................................................................................15 4.1 MEASUREMENT UNCERTAINTY...........................................................................................................................................15 4.2 EUT SETUP.............................................................................................................................................................................15 4.3 SPECTRUM ANALYZER SETUP..............................................................................................................................................15 4.4 TEST PROCEDURE..................................................................................................................................................................15 4.5 CORRECTED AMPLITUDE & MARGIN CALCULATION.......................................................................................................16 4.6 SUMMARY OF TEST RESULTS...............................................................................................................................................16 4.7 RADIATED EMISSIONS TEST RESULT DATA.......................................................................................................................16 Shunde MD Microwave Oven Manufactory Co., Ltd. FCC ID: PU7EG8525X-Y Report # Test Reprot FCC ID Per Part 18 Test Report Page 3 of 16 1 - GENERAL INFORMATION 1.1 Product Description for Equipment Under Test (EUT) The Shunde MD Microwave Oven Manufactory Co., Ltd.’s model, EG8525X-Y or the “EUT” as referred to in this report is a microwave oven which measures approximately 15.00”L x 20.25”W x 11.25”H. The EUT provides the following features: • Micro Wave Main Unit Manufacturer: LG Model: 2M226 Serial…

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Variation with Time Setup – Front View Variation with Time Setup – Rear View Variation with Voltage Setup – Front View Variation with Voltage Setup – Rear View