[NSRCA-discussion] Radio Issue

[Snaproll4 at aol.com]

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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