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Magic Chef MCM770W Support Question

Magic Chef MCM770W Support Question

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Question posted by vincevicta on July 31st, 2017

Circuit Board Is Dead.

my MCM-770W has no power. But on the secondary of transformer reads 14 and 9 VAC. LED display not working. The relays are good.and the door micro switches too. please help..

Current Answers

Answer #1: Posted by Odin on July 31st, 2017 9:59 AM
Odin

Member since:
April 10th, 2010

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See https://www.repairclinic.com/RepairHelp/Microwave-Repair-Help. The links most likely to solve are listed second, sixth, and seventh.


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Related Magic Chef MCM770W Manual Pages

User Manual - Page 1

0.7 cu. Microwave Oven MCM770W/B Instruction Manual Before operating this oven, please read these instructions completely. ft.
User Manual - Page 2

... properly qualified service personnel. 1 It is important not to defeat or tamper with the door open since open-door operation can result in harmful exposure to microwave energy. PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not attempt to operate this oven with the safety interlocks. (b) Do not place any object between the...
User Manual - Page 3

......6 z PARTS AND FEATURES...7 TURNTABLE...7 z MICROWAVE OVEN CONTROL...7 DISPLAY...7 START...8 ADD 30 SECONDS...8 EXPRESS COOK...8 STOP/CLEAR...8 CLOCK...8 TONES...8 KITCHEN TIMER...8 CONTROL LOCK ...8 z MICROWAVE OVEN USE...9 FOOD CHARACTERISTICS...9 COOKING GUIDELINES...9 COOKWARE AND DINNERWARE...9 ALUMINUM FOIL AND METAL...10 MICROWAVE COOKING POWER...10 MANUAL COOKING...11 COOKING IN STAGES...
User Manual - Page 4

...14. If you cannot control the temperature and doing so may interact with a sponge or soft cloth. 16. Be sure it may overheat, smoke or even catch fire when next using the oven. 20. Read all times. Read and follow the specific "PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY" found on closing the door... of the safety interlock switches thereby rendering them inoperable....
User Manual - Page 5

... against such interference in a residential installation. However, there is no guarantee that interference will accept the plug on different branch circuits. If this microwave oven. WARNING: Improper use an extension cord, if the power supply cord is too short, have a qualified electrician or serviceman install an outlet near the appliance. GROUNDING INSTRUCTIONS This appliance...
User Manual - Page 6

... as a misaligned door, broken door or dent in their use grounding adaptor, make sure the receptacle box is about 4 inches (10.16 cm). Examine the oven after unpacking. Away... in or tripping over a longer cord. 2. Ventilation. Power supply. • Check your dealer immediately. 2. Install the microwave oven on by children or tripped over the counter top or tabletop...
User Manual - Page 7

SPECIFICATIONS POWER SUPPLY INPUT POWER MICROWAVE ENERGY OUTPUT FREQUENCY OUTSIDE DIMENSIONS (W H D) CAVITY DIMENSIONS (W H D) CAVITY VOLUME NET WEIGHT TIMER POWER LEVELS * Specifications are subject to change without notice. 120V AC, 60Hz SINGLE PHASE WITH GROUNDING 1050 W 700 W 2,450MHz 440x258.5x355 mm (17.3x10.2x14.0 in) ...
User Manual - Page 8

... models. Metal shielded window E. Display When power is in either direction to help cook food more evenly. When the microwave oven is set) or Timer countdown. 7 The appearance of your particular model may differ slightly from the illustrations in use , the display shows cook time remaining. Door lock system D. Microwave inlet cover B. Microwave oven light C. Glass turntable...
User Manual - Page 9

... one long tone sounds and the display clears to the time of the display area. Repeat to unlock control, and return the display to show an outline of day. Add 30 Seconds The +30SEC control (START/+30SEC)automatically starts the microwave oven at 100% power for 3 seconds by opening the door and then touching STOP/CLEAR. The...
User Manual - Page 10

...test before using. Prick in whole eggs may become hot from heat transf erred from microwave oven. 7. The length of standing time depends on the microwave oven door. 2. Use the following chart as cake. 9 Cooking Guidelines Covering Covering food helps retain moisture, shorten cook time and reduce spattering. Follow manufacturer's recommendations. Ceramic Glass, Acceptable for...
User Manual - Page 11

...Follow manufacturer's recommendations. Wooden Containers Wax Paper Acceptable for microwave cooking specify which cooking power to the microwave oven. Place cookware or dinnerware in microwave oven with 1 cup (250 mL) of light) can be used in the microwave oven. Aluminum foil and some models),aluminum foil for the suggested cooking power of fruit. If not used properly, arcing (a blue...
User Manual - Page 12

... cancel cooking. Place in the display. Touch DEFROST twice. Cooking in the display. Separate food pieces as soon as a guide. See "Microwave Cooking Power" chart. 3. Touch START/+30SEC. Unwrap foods and remove lids (for second stage programming. Touch DEFROST. Do not cover. "PL10" will appear briefly in Stages The microwave oven can be the first stage...
User Manual - Page 13

... pause or cancel cooking. Place 2 or 3 potat oes on the turntable and close the door. 2. To avoid damage to the microwave oven, do not try to pop unpopped kernels. 5. cycle tones will sound, and the display will appear in the display for popping to slow to select number of day. 4. Follow manufacturer's instructions when using...
User Manual - Page 14

... and close the door. 2. Whenthe cycle ends, the end-of-cycle tones will sound, and the display will count down the heat time. Touch START/+30SEC. The display will return to...the countdown to pauseor cancel cooking. Beverages in microwave-safe container. 2. Placefood on the turntableand close the doo. To Use BEVERAGE: 1. The display will affect how the liquid heats. Place ...
User Manual - Page 15

... Roller Guide 14 Mild detergent may occur when the microwave oven is operated under high humidity conditions and in ROLLER GUIDE 1 The ROLLER GUIDE and oven floor should be cleaned frequently to oven walls, wipe with a damp cloth. Do not use of harsh detergent or abrasives is not recommended. 3 The outside of the oven door, wipe with...
User Manual - Page 16

... any food deposits removed; 6. BEFORE YOU CALL FOR SERVICE Refer to following : 1. Check that the door is no damage to observe the following checklist, you may prevent an unnecessary service call. * The oven doesn't work : 1. Check that the power cord is securely plugged in a clean condition could adversely affect the life of these stations...
User Manual - Page 17

...of meat, large vegetables and cakes is operating? * A : The door can be used in your microwave oven is very important. How do eggs sometimes pop? * A : When ...oven must always be opened anytime during the cooking operation. Never cook eggs without overcooking the outside. * Q : What does "standing time" mean? * A : "Standing time" means that food should be instantly switched...
User Manual - Page 18

... risk of at least 20 seconds after the oven has been switched off to allow the temperature to handle. Always allow residue to dry clothes, newspapers or other materials in the oven. ARCING If you should put packaged Microwave Popcorn bags directly on sealing surfaces. USE YOUR MICROWAVE OVEN SAFELY General Use Do not attempt to...
User Manual - Page 19

... of house fuses or circuit breakers. • Failure...MCM770W/B Parts One-Year Labor Magnetron (Part Only) One-Year Eight Years Type of purchase. This warranty covers appliances in material and workmanship for other liability in lieu of all labor and transportation expenses related to our factory. • Any delivery / installation costs incurred as specified. Microwave Oven...

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