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Power transformer needed for emerson nr 30 - Emerson NR30 AM/FM Radio

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No power light on my hitachi modelcx-36w cd tape radio player but power to the machine the fuse is fine

If the radio has a power transformer check there is AC voltage to the primary "fuse side", [ 2 wires ] if yes check the secondary side, if no AC voltage is present the power transformer is open at the primary. The part must be replaced.

Jun 12, 2012 | Personal Radios

1 Answer

My radio will not turn on i dont know where the fuses are so i havnt checked them

Most portable devices have a thermal fuse built into the transformer instead of using traditional fuses. I suggest installing batteries to check if the radio will come on, if yes! the plug in ac power is the problem, if no! the main processor in the item is the likely cause and the radio should be replaced. If you unscrew the back and remove it, follow the plug in to the circuit board where the fuse should be located if there is none, the power transformer is fused on the inside, only option is to replace transformer, but not cost effective.

Feb 27, 2012 | Dewalt DC011 AM/FM Radio

1 Answer

Job site radio work turn on seems there is no power going to radio. When plug in there is no sign of power in the radio. I have replaced the cord end and that didn't help.Any ideas?

probably the transformer, if it works on the battery but not plugged in thats the most likely cause. I have the same problem and will repost if the transformer replacement works. Cheers

Oct 02, 2011 | Milwaukee Tool 49-24-0200 AM/FM Radio

1 Answer

The radio works fine on batteries but not from the ac supply,whichunit checks out ok

Hi terry,
Try to check the power cord, it might be open due to frequent bending or pulling. If you confirmed that the power cord is ok then the trouble now is the ff :
1. Internal fuse
2. Thermal fuse of the transformer - If your transformer is open primary winding, check it inside the transformer. This is placed inside the paper insulator.
If you don't have an experienced in electronics then I've advice you to look for a qualified technician to isolate the problem.
Hope it may help you.
Have a nice day!

Feb 04, 2011 | Sony ICF-2010 AM/FM/SW Radio

1 Answer

Radio works with the batteries but not the mains all terminals and connections are ok any ideas ?

Check glass fuse inside near transformer, if this is ok, there is a thermal one on the tranformer windings itsself where you need to cut the tape off the transformer windings doing with caution. Not to cut the transformers windings, once located desolder and replace the part from RS components or Maplins. I had the same problem as you, I bypassed this on the tranny and mine is fully working. This item is a safety feature for the transformer.

Nov 10, 2009 | Dewalt DC011 AM/FM Radio

2 Answers

Hi ya my dewalt radio will not power on but still charges the battery

You are lucky it still charges battery. Your transformer for the radio has a fuse on the winding, this has gone or the transformer has gone.

Jul 11, 2009 | Dewalt DC011 AM/FM Radio

1 Answer


Hi - You can download the manual from the link below:


Please update the question & let us know if the information given was useful to you - Good Luck!

Jul 08, 2008 | Emerson RP6248 AM/FM/TV Radio

1 Answer

WX cc Sangean radio cuts out

The ATS-818 needs a transformer. The transformer converts AC power to the DC used by the radio, so no. You need the transformer.

Jan 20, 2008 | Sangean ATS 818 AM/FM/SW Radio

4 Answers

Milwaukee job site radio

The transformer needs to be replaced. 120VAC to 15VAC. Take a look on amazon for it, here: Amazon com 15VAC transformers. Wish you best of luck.

Dec 02, 2007 | GE Superadio III AM/FM

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