Vintage Simmons Drums (UK) Users Group

Backlight? I have two MTMs and neither screen  lights up. It's been 
difficult to read them and I always thought a backlight  would've been nice but not 
available or too expensive in 1985.
 
 
In a message dated 12/7/2011 5:41:27 P.M. Eastern Standard Time,  
airflamesred@... writes:

 
 
 
My word you guys are quick!
Plenty of options so I'll keep you posted.  Is there anything we can do 
with the display - backlighting? It's all working  but just, well, dim at best.

--- In _Simmons_Drums@yahoogroups.com_ 
(mailto:Simmons_Drums@yahoogroups.com) ,  "WT" <waveterm@...> wrote:
>
> My solution is to replace the  old Nicad battery with a standard Lithium 
cell 
> CR-2032.
>  
> You will need to install one 1N4148 diode in series with the + side  of 
the 
> CR2032 to stop the charging voltage otherwise the CR2032 might  explode!!!
> 
> WT
> 
> ----- Original Message -----  
> From: "jesper" <jesper@...>
> To: <_Simmons_Drums@yahoogroups.com_ 
(mailto:Simmons_Drums@yahoogroups.com) >
>  Sent: Wednesday, December 07, 2011 10:29 PM
> Subject: Re: [Simmons  Drums] MTM battery
> 
> 
> > Mark Frost skrev 2011-12-07  22:00:
> >> I'm sure mine must need changing after 15 years. Whats  the procedure?
> >> I'm thinking Maplins will have a replacement -  would that be right? 
And
> >> if anyone has a part No or any other  info I would be gratefull.
> >>
> >> Thanks in  advance.
> >
> > I'd suggest a non-rechargeable long-life  nicad battery. This to avoid
> > future leakage. Get a AA-type and a  socket for it. Place it far off the
> > PCB and remove the recharging  circuit (if I recall correct it's just 
one
> > component). I hope  your battery hasn't leaked on the PCB yet. It can be
> >  scary...
> > In times like these you realise you ought to take more  shots of the
> > procedure while at it. :S
> >
> >  No part no to recommend since I bought my stuff here, among the polar 
>  > bears.
> >
> > -- 
> > electronically yours,  jesper
> >
> > - -- --- ---- ----- ---- --- -- -
>  > www.electronic-obsession.se
> >
> >
> >  ------------------------------------
> >
> > Yahoo! Groups  Links
> >
> >
> >
>






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