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  Essex Ham Forum › Essex Ham › Help & Advice › Kenwood 251 display problem
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Kenwood 251 display problem (Read 758 times)
Tom 2E0TNC
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Kenwood 251 display problem
Jan 20th, 2012 at 8:49pm  
Hi i have a problem with my kenwood 251 the display lights have stop working i have found out it is a known fault
i have checked the connection pins inside but no luck
just wondered if anyone has come across this problem
and could shed some light for me

many thanks
73's
Tom M6BCK
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Dave M0HBV
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Re: Kenwood 251 display problem
Reply #1 - Mar 20th, 2012 at 11:39am  
Hi
I have just looked at the circuit for the 251. It appears that the display is lit by 2 lamps connected in series.These lamps are 3volt ,60ma.If faulty they can be replaced by LED's with a suitable series resistor.Also check the lamp switch and Q2 the lamp driver.
73
Dave
M0HBV
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Tom 2E0TNC
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Re: Kenwood 251 display problem
Reply #2 - Mar 24th, 2012 at 10:35pm  
Hi Dave
many thanks for the advice i will check that out i have got to get the radio out of my van to programme some repeaters into it so will take a look then

many thanks
Tom
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