Vintage Simmons Drums (UK) Users Group

Oh, is there a backlight ?

Never thought about that. My MTM\ufffds has always been dark.

WT

----- Original Message ----- 
From: "Mark Frost" <airflamesred@...>
To: <Simmons_Drums@yahoogroups.com>
Sent: Wednesday, December 07, 2011 11:07 PM
Subject: Re: [Simmons Drums] MTM battery


> 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, "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>
>> 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
>> >
>> >
>> > ------------------------------------
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