[NSRCA-discussion] Radio Issue

[Troy Newman]

Steve,

 

You need to get that module fixed up. There might be something else that is the cause but my first thought is the module.

 

I can loan you a module….but you really need to get your radio in for service. Other things like the lithium backup battery need service too.

 

If you want let me know your address and I can send you a good synth module as a loaner but…..

 

you need to get your programs backed up….and send your TX in for service.

 

Let me know, I can send a module out on Monday as a loaner. I’m not flying my 72mhz stuff at all. Let me know offline your address.

 

Troy

 

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Snaproll4 at aol.com
Sent: Saturday, June 13, 2009 11:23 AM
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] Radio Issue

 

Troy,  

       Every point you made made me cringe.  Transmitter has never been serviced.  I do occasionally run it without the attenna ( only for very short periods).  Module is a PCM(J72P). I do not have another module.  If  you think that could be the problem, I can order one right away. Thanks.

 

In a message dated 6/13/2009 2:08:39 P.M. Eastern Daylight Time, troy at troynewman.net writes:

	Last time the module was in for service?

	 

	Last time the TX was in for service?

	 

	Over time the module output can weaken. It usually comes from running the TX in the shop without the antenna on it…this causes the module to heat up…reducing the life of the output transistor.

	 

	But if you radio has not been in for service in those 8yrs its well past time. I usually send my TX’s in every other year for service. They check it and make sure nothing is a problem.

	 

	 

	I think the newer synth modules are better on the heat issue without the antenna, but it’s still a matter of time of prolonged use. 

	What module do you have in it….do you have another module to use?

	 

	 

	 

	Troy

	 

	From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Snaproll4 at aol.com
	Sent: Saturday, June 13, 2009 10:58 AM
	To: nsrca-discussion at lists.nsrca.org
	Subject: [NSRCA-discussion] Radio Issue

	 

	Hi Everyone,

	 

	        I have a serious problem with my radio and I was wondering if anyone has any experience with this.

	 

	 

	        I have a JR 10X that has performed flawlessly for 8 years.  It is 72mhz with a top JR receiver. Today while flying it went into failsafe mode twice.  It only faded for a split second and then came back. It never lost battery power, so I reasoned that it 's not the battery, voltage reg or switch. I assume it must be the transmitter, receiver or antennae.  I can put another receiver in it, but the only way to test is to put the plane in the air.

	 

	        How would I know if it is the transmitter?  BTW, range checking on the ground with the motor running turned up nothing. 

	 

	 

	TIA, Steve

	 

	            

	 

	
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