[NSRCA-discussion] Spektrum AR9000 Service Bulletin -HighVibration Fatigue

[Peter Pennisi]

Why are they using thru-hole version components? I am sure a SMT equivalent
could have been used

 

 

 

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Ihncheol Park
Sent: Monday, 3 September 2007 8:59 AM
To: 'NSRCA Mailing List'
Subject: Re: [NSRCA-discussion] Spektrum AR9000 Service Bulletin
-HighVibration Fatigue

 

Ron,

 

Any AR9000 shipped after 8/14 have the capacitor glued to the board.  One
reason for the X9303 to ship late I think.

I am going to check mine next week when it arrive.

Three of those incidences were on 90size Helis without much of protection
from vibrations to protect the RX.

Maybe trying to make the things cheaper?

I believe JR owns Spektrum now.  All RX comes from Malaysia same place where
JR equipments are coming from.

 

ipark

 

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Ron Van Putte
Sent: Sunday, September 02, 2007 4:18 PM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Spektrum AR9000 Service Bulletin -
HighVibration Fatigue

Wow! I haven't seen an electrolytic capacitor vibrate off the circuit board
since it happened to one of my Micro Avionics receivers back in the late
1960s. You'd have thought they would have learned long ago to glue them
down. 

 

Ron Van Putte

 

On Sep 2, 2007, at 3:27 PM, William C. Harden wrote:





For those of you who do not know and need to know. Go to the below website
and read.

 <http://www.spektrumrc.com/Articles/Article.aspx?ArticleID=1709>
http://www.spektrumrc.com/Articles/Article.aspx?ArticleID=1709

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