Question about GE JVM1653 Microwave Oven

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I need know in/out de control board transformer of microwave oven model no.JVM1653SH01 , because it is bad

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  • ray_gar Sep 05, 2009

    " Yes, I'm sure, because the transformer is burning the secundary output voltaje "

  • ray_gar Sep 05, 2009

    " Yes, I'm sure the transformer is bag, becouse it is burning in the secundary output voltaje, and i need know the secundary output voltaje for remplace it"

  • ray_gar Sep 08, 2009

    I´m sorry, and tank you for your time, but I say about the transformer on the main board (it is for low voltage, is the source for the main board, display,time,...)



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$175.00 at Are you sure it's the transformer?

  • NOTE. Be sure to bleed the capasitor off in this micro wave. It is the type that holds voltage. Very high mico fare and will kick the _ _ i t out of you if you touch it without bleeding it off first. Take a screw driver and ground one side to bleed off.
Please rate solution

Posted on Sep 05, 2009

Testimonial: "Yes, I'm sure, because the transformer is burning the secundary output voltaje"

  • 1 more comment 
  • James Hilton
    James Hilton Sep 05, 2009

    Ok, did I answer your question? If not what would you like to know?

  • James Hilton
    James Hilton Sep 06, 2009

    Were you able to find the part where I sugested you look for it? I hope that was helpful.

  • James Hilton
    James Hilton Sep 07, 2009

    I take up time in my day to sit here and try to help people by sharing the knowledge I have gathered over the years. Now I have found that, you just can't help some people. I have been repairing micro waves for the last 20 years. You asked a question, I gave you a web site that you could look at the answer to your question of what the primary and secondary voltages of the transformer is. It also gave you the price to but it. You did say you had to replace it, correct. I guess it was way to complicated. Is this why you left me the bad feed back. No Help? Even though you did this, I will still answer your question. This time you will not have to look it up. I'm putting it in black and white. I hope it's simple enough this time.

    Primary Voltage 120V 60HZ

    Secondary Voltage 2000V @ 3.29V R AL/CU

    Secondary Wattage 800W

    I can't make it any simpler.

    P.S. I have worked on these for 20 years. I have seen what your describing many times over the years. I know what is wrong with the micro, but I'll just let you figure it out. You know a lot more about them than I.



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use the common sense,clearly, logically, and fix it .God bless you
can take some time. This is where you must be able to read a wiring diagram and do some "live" checks on parts. First easy check is to make sure power is coming off your control board at the MW relay. Make sure of the wires and test here, if you have 120 volts at this point, you have ruled out a lot of parts that could be the problem. You have now ruled out any switch problems, control board problems, or a thermostat or 2.If you do not have power from that MW relay on the control board, you must trace the wiring back to see if the proper voltage is going through your switches, any thermostats, and arriving at your control board. Your wiring diagram on your sheet will show you where and what to test. Below is a general switch test troubleshooting guide.

mwswitchtest.jpg mwswitchtest2.jpg If the proper voltage is coming into your control board and you are not getting voltage at the MW relay, then you need to replace the control board. If voltage is interupted by a thermostat or switch from your testing to the control board, then replace that part.Now, testing from the MW relay on to your transformer, high voltage capacitor, magnetron, and diode. Do not do any voltage reading from the secondary side of the transformer on, this can be a deadly microwave oven repair if you do not follow directions. This can result in electrocution and the "blowing-up" of your voltmeter, only do OHM testing with the power off and the capacitor discharged. Someplace in this circuit, usually before the transformer, you will have another thermostat to test. It is usually mounted on the magnetron. Do a quick OHM test to see if it is open or closed.
Now to test either the transformer, high voltage capicitor, magnetron, and diode, you must test each part separately. A good rule of thumb, if your capacitor is bad, change the diode also. Another note, if you are working on an OTR model and you have determined to be one of these "heating" circuit parts, you can not test these parts until you take the unit down. If you don't have the parts with you and you have to order them, order the magnetron, capacitor and diode and you will have a 90% chance of solving the problem. If it is an older microwave, order the thermostat also, most times you can return un-used, un-opened parts. Check with your parts supplier. This way you only have to take the unit down once.
To test these parts, scroll down this page and you will see a chart with component tests. Follow the instructions to find which part(s) are defective in your microwave oven repair.


Aug 02, 2012 | Kenwood Microwave Ovens

1 Answer

Emerson Microwave stopped working

Have 1 of 2 choices, the main fuse or the control board for the front switches and clock. primary of the small power transformer has opened. Unplug the unit and take case off and measure the fuse with an ohm meter. if u read 1 ohm or less then fuse is good. then measure across the main power plug tips. If read open then the power transformer is bad. Need to replace the board as not sure if transformer is available.

Jul 26, 2009 | Emerson MW8102SS 1100 Watts Microwave Oven

2 Answers

Where can I get a HV transformer for Microwave?

I went on-line and found a site that gave answers to similar problems. I found that no power to the the control board usually meant a transformer issue. I checked the leads on the transformer (with a meeter) and found that it was shot. Now I need a replacement transformer, at a reasonable price, or else I will purchase a new Microwave.

Kenmore model 665.68682891

Mar 30, 2009 | Kenmore 63682 / 63684 / 63689 Microwave...

1 Answer

Smoke bellowing out the top of microwave

hi my name is mark, sounds like you burned up the high voltage transformer or the fan motor. or the transformer for the control board. if oven cycles but does not heat its the HV transformer. hope this helped. thanks for your question.

Mar 18, 2009 | Jenn-Air JMC8130DD Microwave Oven

2 Answers

Whirlpool microwave/oven combo- model #RM288PXS

That would be a problem with your control board. It probably needs a few capacitors and a relay replaced and minor circuit board repair.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller

P.S. (to Guest: Please make a new post with your model number. I think your problem is different.)


Nov 06, 2008 | Microwave Ovens

1 Answer


This is probably a bad connection or bad low voltage transformer on the control board.

We regularly repair these control units forcustomers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee. If it needs a transformer, that adds $25.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

We're happy to help you and we'd appreciate your thoughtful rating of our answer.

William E. Miller

Oct 26, 2008 | Microwave Ovens

1 Answer

High voltage surge

We regularly repair these GE / Samsung boards from customers nationwide with just such problems for $32.50. If it's too bad off, we can get this board (# WB27X10466 remanufactured) for $145. A new board runs about $180. We would need the full model number with suffix.

Sep 04, 2006 | GE JVM1490 Convection/Microwave Oven

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