[amsat-bb] G-500A Controller Bulb Replacement
Gary Or Terri Mayfield
kk0sd at tnics.com
Sun Jan 10 13:59:46 UTC 2016
Someone pointed you at my web page. I was flattered, but will mention
it again as apparently it did not go out to all.
73 and Enjoy,
Gary 'Joe' kk0sd
> --- Original message ---
> Subject: Re: [amsat-bb] G-500A Controller Bulb Replacement
> From: Stephen E. Belter <seb at wintek.com>
> To: Tony <dxdx at optonline.net>, amsat-bb at amsat.org <amsat-bb at amsat.org>
> Date: Sunday, 10/01/2016 7:53 AM
> I didn¹t see a response to your query, so let me try to help. I¹ve
> replaced the bulb in a G-500A, but I have replaced them in a G-5400B
> is an Az/El version of the G-500A.
> The meter illumination is provided by a 12V incandescent bulb located
> above the meter face that is soldered to a small circuit board. If
> know how to solder, it is a simple replacement.
> However, the replacement incandescent bulb can also burn out and
> requirement replacement.
> I¹ve replaced the illumination on my controller with pairs of LEDs,
> pair above each meter. You¹ll need to check the schematic for your
> controller, but from memory, I think the power for the light was
> Or that there was 12VDC available.
> I put two LEDs in series and used something like a 680-ohm
> current-limiting resistor. The best value for you will depend on the
> Hope this helps.
> 73, Steve N9IP
> Steve Belter, seb at wintek.com
> On 1/8/16, 9:08 PM, "AMSAT-BB on behalf of Tony"
> <amsat-bb-bounces at amsat.org on behalf of dxdx at optonline.net> wrote:
>> Need to replace the bulb that illuminates the meter on a Yaesu G-500A
>> elevation controller and I was wondering if anyone had done this
>> I'm assuming the bulb is located somewhere in the vicinity of the
>> but not seeing it by looking through the meter window.
>> Tony -K2MO
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> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership.
> Opinions expressed
> are solely those of the author, and do not reflect the official views
> of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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