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What is the voltage on model number 253.8753101

It is a 1986

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My power supply does not give output. please guide me on troubleshooting


does transformer get AC voltage on secondary coils

Does bridging diodes get DC voltage coming out

Does voltage regulator chips have DC voltage coming out

Suggest google tv model with troubleshooting power supply video

do this on you tube www.youtube.com
search {your tv model number} troubleshooting power supply

Nov 01, 2016 | Televison & Video

3 Answers

Need the model number of a fluke clamp on meter, serial number is 21530517


try looking for Invoice (it should have model) on it or ask place where you purchased unit from

Mar 25, 2014 | Fluke 321 Clamp-On Meter Electrical...

1 Answer

I want EHT number. i lost my t.v EHT number


If by eht you mean high voltage transformer, Google the model number with "parts" to see what is available or contact Philips.

Jul 19, 2013 | Philips Televison & Video

1 Answer

Cook temp not working


follow this steps and test with VOM. God bless you

Diode


The high voltage diode converts the A/C power output of the transformer to D/C, doubling the voltage to nearly 5,000 volts. This high voltage powers the magnetron which emits the energy that cooks the food. If the diode burns out, a lower A/C voltage reaches the magnetron, which is not sufficient to power the magnetron. When the diode fails it is often visibly burned out. If it appears to be good, it can be tested with a volt-Ohm meter capable of testing diodes. High voltage diodes frequently fail and are one of the most common points of failure in a microwave oven. A regular meter with a diode checker will not work to check these diodes. You have to use a meter with a 9 volt battery or put a 9 volt battery in series with the diode to check it.

Enter your model number to see parts for your microwave.

Help me find my model number
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Door Switch


If the microwave does not heat, one of the door switches might be defective. Microwave ovens normally have three door switches, if any of them fail the microwave does not turn on and does not heat. Check the switches for continuity with an Ohm meter.

Enter your model number to see parts for your microwave.

Help me find my model number
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Magnetron


If the microwave oven doesn't heat the magnetron tube might have burned out. The magnetron uses high voltage, high current DC power to generate the microwave frequency that cooks the food. If the microwave oven is turned on when it is empty this can cause the magnetron to burn out. Once it is burned out it has to be replaced, it's not repairable.

Enter your model number to see parts for your microwave.

Help me find my model number
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High Voltage Capacitor


If the microwave doesn't heat the high voltage capacitor might be defective. The high voltage capacitor works with the high voltage diode to convert the output of the transformer to DC voltage and to double the output voltage. If the capacitor is burned out the entire high voltage circuit stops working properly. The high voltage capacitor can be checked with a special VOM meter which has a capacitance testing capability. Be aware that the high voltage capacitor can retain a charge of more than 3,000 volts and can injure or kill a person if not handled properly. Only trained technicians should perform this type of testing.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

High Voltage Transformer


If the microwave does not heat, the high voltage transformer might be burned out. Microwave ovens produce a very high voltage in order to power the magnetron antenna, which emits the energy that cooks the food. When a high voltage transformer fails it will usually arch and have a burning smell.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Thermal Fuse


If the microwave doesn't heat the thermal fuse may have blown. It can be tested for continuity. Watch our fuse testing video for more information.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Thermoprotector


If the microwave doesn't heat the thermoprotector may have tripped. This is a safety device to prevent the microwave from overheating. It can be tested for continuity to see if it's blown.

Enter your model number to see parts for your microwave.

Help me find my model number
picunavailable175.jpg

Main Control Board


If the microwave doesn't heat the main control board may be defective. This is not common. When a microwave doesn't heat the problem is usually a faulty door switch or within the high voltage circuit; either the high voltage capacitor, diode, transformer or magn
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Apr 02, 2013 | Maytag MMV4184A 1000 Watts Microwave Oven

1 Answer

Morphy richards oven is not heating and not cooking anything


please proceed according and fix it. God bless you

Diode

The high voltage diode converts the A/C power output of the transformer to D/C, doubling the voltage to nearly 5,000 volts. This high voltage powers the magnetron which emits the energy that cooks the food. If the diode burns out, a lower A/C voltage reaches the magnetron, which is not sufficient to power the magnetron. When the diode fails it is often visibly burned out. If it appears to be good, it can be tested with a volt-Ohm meter capable of testing diodes. High voltage diodes frequently fail and are one of the most common points of failure in a microwave oven. A regular meter with a diode checker will not work to check these diodes. You have to use a meter with a 9 volt battery or put a 9 volt battery in series with the diode to check it.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

Door Switch

If the microwave does not heat, one of the door switches might be defective. Microwave ovens normally have three door switches, if any of them fail the microwave does not turn on and does not heat. Check the switches for continuity with an Ohm meter.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

Magnetron

If the microwave oven doesn't heat the magnetron tube might have burned out. The magnetron uses high voltage, high current DC power to generate the microwave frequency that cooks the food. If the microwave oven is turned on when it is empty this can cause the magnetron to burn out. Once it is burned out it has to be replaced, it's not repairable.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

High Voltage Capacitor

If the microwave doesn't heat the high voltage capacitor might be defective. The high voltage capacitor works with the high voltage diode to convert the output of the transformer to DC voltage and to double the output voltage. If the capacitor is burned out the entire high voltage circuit stops working properly. The high voltage capacitor can be checked with a special VOM meter which has a capacitance testing capability. Be aware that the high voltage capacitor can retain a charge of more than 3,000 volts and can injure or kill a person if not handled properly. Only trained technicians should perform this type of testing.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

High Voltage Transformer

If the microwave does not heat, the high voltage transformer might be burned out. Microwave ovens produce a very high voltage in order to power the magnetron antenna, which emits the energy that cooks the food. When a high voltage transformer fails it will usually arch and have a burning smell.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

Thermal Fuse

If the microwave doesn't heat the thermal fuse may have blown. It can be tested for continuity. Watch our fuse testing video for more information.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

Thermoprotector

If the microwave doesn't heat the thermoprotector may have tripped. This is a safety device to prevent the microwave from overheating. It can be tested for continuity to see if it's blown.
Enter your model number to see parts for your microwave.
Help me find my model number
picunavailable175.jpg

Main Control Board

If the microwave doesn't heat the main control board may be defective. This is not common. When a microwave doesn't heat the problem is usually a faulty door switch or within the high voltage circuit; either the high voltage capacitor, diode, transformer or magnetron.

3_1_2013_10_42_32_pm.gif

Mar 01, 2013 | Morphy Richards Microwave Ovens

1 Answer

My 65HM167 keeps blowing the bulb, what do I do now?


The ballast supplies voltage to the lamp to light it up and there must be a problem with it supplying too much voltage and burning the lamp out. Do a google search or ebay or shopjimmy.com for price and availibility with your model number. Or google with the model number followed by the word "ballast".

Jun 20, 2011 | Toshiba Televison & Video

1 Answer

How to set the mechanical timer for Intermatic 600 Watt Low Voltage Transformer?


You can go to intermatic.com once you are on there page do a search for your model number, and from there you can download your instructions. Sorry that I could not given you more detailed instructions but with no model number this was as close as I could get you. Good luck!

Oct 03, 2010 | Intermatic 600 Watt Low Voltage...

1 Answer

Need a part for Model Number 38EYG030 Or Serial


as long as the microfards are the same it can be of larger voltage than the one you have just not smaller voltage.

Jun 04, 2010 | Heating & Cooling

1 Answer

Can you tell me where the fuse is for model number JVM1650


under the outer cover inside the unit in a fuse holder,make sure to discharge the hi-voltage capacitor before replacing or touching the fuse,being its the fuse it very well could be the hi-voltage cap that caused the fuse to blow

May 20, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

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