> > Hello, I have a Yaesu ft2500m radio. The bulbs for the display have burned
> > out. I have read that other people with the same radio have had the same
> > problem and was wondering if anyone has replaced the bulbs with anything
> > different then the factory bulbs? if so what did they replace them with.
> > part numbers would be great.. also if anyone can give me a part number of
> > bulb through radio shack or an electronics store like that would be great.
> > would like to replace them. Thank you very much.
> > Dustin
> I had several of the panel bulbs burn out on my FT-4700RH - the FT2500M
> may/may not use the same configuration.
> They were small "grain of wheat" bulbs with wire leads that were enclosed in
> orange "***y" covers (a bit hard to get off, but doable), were inserted
> holes in the pcb facing the front of the radio, and had the leads trimmed
> and soldered to pads on the pcb (not soldered through holes, just bent over
> and soldered to pads).
> I used RadioShack SKU# 272-1092 their "#7219 Micro Lamp" which is
> rated at 12V 60 mA ... since the FT-4700RH runs the lamps from a series
> pass transistor from a 9VDC, you don't get full brightness from the bulbs,
> but it seems adequate in the brightest setting of the radio's control. The
> dim mode is dimmer, of course, but that's what you want in a situation where
> you're trying not to ruin your night vision.
> Again, these bulbs may/may not fit the FT2500M, but you can remove the dead
> bulbs and take them to R/S for a comparison.
> As I said, removing/replacing the orange *** "boots" is a bit tedious ...
> I used
> a small, almost needle-pointed set of tweezers to get under the edge at the
> base of
> the old bulb and worked it around the circumference to help relieve the
> friction as
> I gently pulled on the closed end of the boot. Take care not to
> puncture/tear the
> boots. Putting them back on was sort of ***-like - basically roll them
> Good luck.
> Carl - wk3c
One option I didn't think of at the time...White LED's. I think if I
ever have to do this again, I'm going to switch to the white leds.
They last nearly forever according to the hype. My 706mk2g uses white
led's. Or pretty sure anyway...MK