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Author Topic: Battery-less mod  (Read 22007 times)

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DannyjoeCarter

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Re: Battery-less mod
« Reply #30 on: Time Format »

OK more great info guys!!
Yeah I remember thinking the MP2 or Classic would have my same sound but I guess they really were different, but I guess in a good way!  :thumb-up:
 Still need to find and MP-1 with MDRT already in it and take it for spin!
Hey Dan,
Dante and Gibsonrich are out on the Left Coast, and a few others, we're all over the map! :lol:
pin!

 Thanks Harley! I need to hook up with those guys and have a US West Coast ADA Jam Party!!  :banana-rock:  :headbanger:
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Harley Hexxe

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Re: Battery-less mod
« Reply #31 on: Time Format »

Now that sounds like fun to me :thumb-up:
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MarshallJMP

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Re: Battery-less mod
« Reply #32 on: Time Format »

@Harley, I think the MP-2 came out in 93 not 89? And you're correct about the classic, that was 94.

@Rn, it's R611, replace the 10M with a 3M resistor. See PDF.
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rnolan

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Re: Battery-less mod
« Reply #33 on: Time Format »

Thanks MJMP  :thumb-up:
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MarshallJMP

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Re: Battery-less mod
« Reply #34 on: Time Format »

No problem
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VoxG2

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Re: Battery-less mod
« Reply #35 on: Time Format »

  How do you change the battery when it hasn't been modded? I have a 1.38 unit with a Made In USA battery in it so I assume it's the original battery.
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Iperfungus

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Re: Battery-less mod
« Reply #36 on: Time Format »

  How do you change the battery when it hasn't been modded? I have a 1.38 unit with a Made In USA battery in it so I assume it's the original battery.

I think the only way is to buy a battery with soldered lugs, remove old battery desoldering it from MP-1 and solder new battery.
Otherwise buy a battery holder, solder it to MP-1 and change battery as and when you want!  :banana-rock:
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rnolan

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Re: Battery-less mod
« Reply #37 on: Time Format »

You can get batteries with the lugs attached, finding the right one can be tricky  :dunno: (ie with the lugs in the right place).  Easiest is definitely get a CR2032 battery holder (flat to PCB style for MP-1, MP-2 is vertical mount). The holders are cheap and electronics stores generally have them.  The battery needs to be 3v lithium, CR2032 does the trick and they are very easy to buy. Or you can buy one from MJMP (so you know it will fit  :thumb-up: and comes with a battery http://www.marshalljmpmodshop.net/miscellaneous_parts_and_replacement_tubes.htm).
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VoxG2

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Re: Battery-less mod
« Reply #38 on: Time Format »

 Arrrgh...sounds like a headache!
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Iperfungus

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Re: Battery-less mod
« Reply #39 on: Time Format »

Arrrgh...sounds like a headache!

Nooooooooooooo!!!
Just a couple of solderings and here we go!  :thumb-up:
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VoxG2

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Re: Battery-less mod
« Reply #40 on: Time Format »

  So I'm better off just doing the mod then, or is a battery swap easier?
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VoxG2

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Re: Battery-less mod
« Reply #41 on: Time Format »

 lol...and thanks. I know a tech that will probably do it for cheap. Where do I find the battery holder? Thanks again...so much help.
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rnolan

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Re: Battery-less mod
« Reply #42 on: Time Format »

In many ways the battery holder is easier. You get them from an electronics (or decent computer) store (we have Jaycar here) and you need one that mounts flat (parallel to the PCB), or as I said just buy it from MJMP.  Regardless the old battery has to be de-soldered and removed.  You can get batteries (3v lithium) with the lugs in the right place (all the ones I've seen here in stores are in the WRONG place). It is possible to solder wires onto a battery and do it that way but NOT recommended. MikeB did this and it wasn't easy (he said) not to mention heating the battery up with a soldering iron to make the solder flow isn't a good idea, lithium batteries don't like to get hot LoL. You can also get a battery with lugs attached and solder wires to the lugs and then to the PCB, it will work but isn't very tidy/elegant.
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Iperfungus

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Re: Battery-less mod
« Reply #43 on: Time Format »

I've got my battery mod kit from MJMP: Keystone battery holder and a Varta CR2032.
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DannyjoeCarter

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Re: Battery-less mod
« Reply #44 on: Time Format »

Yeah I found the battery mod the easiest to do and I was able to get the battery holder ( receptical ) and the 2032 cell at Radio Shack both for $7.58 total   :banana:
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