[TenTec] Omni 6 Plus: No RX or TX on 10 meters (Intermittent)

[A R]

That's a question that TT should be able to answer. The RoHS Directive was officially put into force in late 2002 or early 2003. But, some (many?) manufacturers were made aware of the impending/proposed mandate, and chose to get a jump on the mandate in order sort out any problems to prevent disruption of manufacturing/deliveries upon (what appeared to be certain) issuance of the directive. Although the official proposal was submitted in 2000, I know that some manufacturers were afforded a "heads up" as early as 1998, and initiated RoHS-compliant pilot manufacturing programs. Surely the information gleaned as a result of these pre-directive pilot programs was fedback to the RoHS commission, for it's consideration. 

 

Does any current TT gear carry a "RoHS Compliant" badge (sticker), or is RoHS compliance declared in their manuals? I wonder if a guy touches up solder connections in a RoHS compliant radio with Sn-Pb solder, if he has to apply a new sticker declaring "non-RoHS compliance", or if he's subject to the same sort of penalties as someone who removes the "DO NOT REMOVE" tags on upholstered things.

 

73,

Allen--W7GIF


----- Original Message ----- 

From: Joe Papworth via TenTec<mailto:tentec at contesting.com> 

To: tentec at contesting.com<mailto:tentec at contesting.com> 

Cc: k8mp at aol.com<mailto:k8mp at aol.com> 

Sent: Monday, July 06, 2015 6:31 PM

Subject: Re: [TenTec] Omni 6 Plus: No RX or TX on 10 meters (Intermittent)



Oops... I see you already answered my Pub question Allen. But I wonder if my 18 year old Omni 6 Plus is RoHS compliant.

Sent from AOL Mobile Mail


-----Original Message-----
From: A R <raf_3 at msn.com<mailto:raf_3 at msn.com>>
To: Discussion of Ten-Tec Equipment <tentec at contesting.com<mailto:tentec at contesting.com>>
Sent: Mon, Jul 6, 2015 11:25 AM
Subject: Re: [TenTec] Omni 6 Plus: No RX or TX on 10 meters (Intermittent)



<div id="AOLMsgPart_1_db25b6cc-b7a0-4b5f-a9c5-e0dd15fed341" style="margin: 0px;font-family: Tahoma, Verdana, Arial, Sans-Serif;font-size: 12px;color: #000;background-color: #fff;">

<pre style="font-size: 9pt;"><tt>
Welcome to the lead-free world of RoHS. Your spools of 60/40 solder are NOT
RoHS-compliant...but will likely improve reliability of solder connections which
are subjected to the stresses of expansion/contraction of dissimilar materials
due to thermal excursions. Sn-Pb is more ductile, and as a result more tolerant
of the thermal excursion stresses, than the RoHS-compliant solders. 




73,

Allen--W7GIF


----- Original Message ----- 

From: Jim
Allen<<a href="mailto:jim.allen at longhornband.net?">mailto:jim.allen at longhornband.net</a<mailto:jim.allen at longhornband.net?">mailto:jim.allen at longhornband.net</a>>> 

To: Discussion of Ten-Tec
Equipment<<a href="mailto:tentec at contesting.com?">mailto:tentec at contesting.com</a<mailto:tentec at contesting.com?">mailto:tentec at contesting.com</a>>> 

Sent: Monday, July 06, 2015 5:46
AM

Subject: Re: [TenTec] Omni 6 Plus: No RX or TX on 10 meters
(Intermittent)



I'm glad you found the fix.

Why is it there are so many
re-solder fixes these days.  I don't recall ever hearing about resoldering on
the old gear.  Anybody ever have to fix a 75A4 or SX101, etc. by resoldering
some connections?

73 de W6OGC Jim Allen 

Sent from my iPad

> On Jul 6,
2015, at 7:39 AM, Joe Papworth via TenTec
<<a href="mailto:tentec at contesting.com">tentec at contesting.com</a><<a<mailto:tentec at contesting.com%22%3Etentec at contesting.com%3C/a%3E%3C%3Ca> href="mailto:tentec at contesting.com?">mailto:tentec at contesting.com</a<mailto:tentec at contesting.com?">mailto:tentec at contesting.com</a>>>> wrote:
> 
> It appears
to be fixed and in repairing it, I fixed another annoying problem, which was
spurs and floaters on ten meters only. Those had been plaguing me for several
years.
> 
> 
> First, thanks to Paul at Ten Tec for pointing me in the right
direction and to Mark, K8VF, and others for their suggestions.
> 
> 
> Paul
was right. The problem was on the Xtal Osc/LO board. The repair process went
like this:
> 
> 
> 1) I looked at the schematic of the board and saw there
are 4 separate xtal
> ? ? oscillators for ten meters (I assume one for each 500
Khz band segment)
> ? ? Since I was losing the entire band, I knew it wasn't
one of those circuits.?
> ? ? That eliminated a lot of circuitry as a possible
cause.
> 
> 
> 2) After reading the theory of operation, I pretty much
narrowed things down ? ? to the L9, L10, and L11 circuits, plus the Q4 and Q5
circuits.
> 
> 
> 3) I resoldered every component in those areas and voila,
no more spurs or
> ? ? floaters and so far, RX and TX are fine. (I'm fairly
certain the rig would
> ? ? have failed?by?now)
> 
> 
> Later, Joe
> 
>
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