Question about Jensen JCR-425 Clock Radio

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JCR-160 clock radio Clock running slow

Jensen JCR160 digital clock running slow Tried JCR160 with 120v to 220v convertor in India found the clock looses 5 secs for every min. Tried replacing 110volt input transformer with different 230v input transformer found no change. Tried rewinding the primary side of the original transformer without disturbing the secondary winding & the voltage output still no change. Any solution available ?....

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Re: JCR-160 clock radio Clock running slow

There is an option to choose 50 Hz or 60 Hz in main IC. Open the radio clock and see the number of IC. Download datashee of that IC and see for selection of 50/60 Hz. You have to just short the desired pin.
Pl. feel free on any query at

Posted on Mar 08, 2009

Re: JCR-160 clock radio Clock running slow

The clock works off the frequency (hertz). In US the electrical wave frequency is 60HZ/sec and in India and many other countries 50HZ/sec. Hence, the clock slows down about 6 seconds or so every minute.

Posted on Nov 28, 2007

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Kylie, if there is a CD tray press the eject button and put CD in tray, push tray in easy to load. If no CD tray insert CD into CD slot and push gently to load. Some have a lid on top that you simply open with your finger then load CD. Check the attached links,instruction and guides, Good luck
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Hi, i have a dream machine sony ICF-c218 by mistak connected to 220v the original transformer is 120V & i also would like know the output voltage of this transformer so that i can change it 220V p

My self sushil from india pl.find the details
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Clock is well functioning without frequencies difference error. I think the clock is using crystal for pulses generator instead of AC power supply frequency.

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RCA RP5430 clock radio transformer TIN HING U2812-093-045E specs

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Dec 17, 2009 | RCA RP5430 Clock Radio

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Just need to know how to set the time and Alarm

the 3rd button on the first row said stop/TIME
it only works as "STOP" when the "FUNCTION" knob is on CD otherwhise is the "TIME" setting button akong with the "MINUTE" & "HOUR" buttons in the same row

Oct 14, 2009 | Jensen JCR-560 Clock Radio

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Jensen JCR-550 manual

Get it on internet,type and download the manual is free.

Dec 22, 2008 | Jensen JCR-550 Clock Radio

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RCA RP5435B SN.1A006J255A0594-Clock running slow

Most of the Radio clocks by RCA are meant to be used with 60Hz AC line. This problem will not go away unles you can get a custom built 60 Hz AC power supply, may prove to be too expensive for the clock.

Sep 20, 2008 | RCA RP5430 Clock Radio

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We have an Jensen JiMS-200 and it's a ipod docking station, which has a clock in it. We got no instructions in the box and have no idea how to change the time. I have searched the net without any success... Chez

Feb 29, 2008 | Jensen JCR-260 Clock Radio

2 Answers


i had the same issue; with a little bit of experimenting I was able to set the time. Hold down the stop/time button until it displays 12A (it might display 24H first - do it again if you don't want military time to get the 12A) Let go then press stop/time again so the time blinks. Use the hour and minute buttons to set the time appropriately. When satisfied, press the stop/time button again.

Nov 11, 2007 | Jensen JCR-560 Clock Radio

2 Answers

No manuals - difficult to figure out

go to Spectra Merchandising Intl [] Spectra is the company that sells the Jensen. I e mailed them asking for a manual and they e mailed it by the next day.

Aug 06, 2006 | Jensen JCR-425 Clock Radio

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