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Old 23-08-2016, 13:04   #1
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Xantrex battery charger schematic

Does anyone have a component schematic for the Xantrex TC4012 (40 amp 12 volt) battery charger?

The two fuses in the fuse door accessible from the front of the unit are good, but the internal Fuse F1 is open. It is next to the AC input wires internally and measures open with my meter. Other internal components look good thus far.

Thanks very much for any details......Bill
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Old 23-08-2016, 19:12   #2
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Re: Xantrex battery charger schematic

Good luck finding someone with a schematic outside of a Xantrex employee, and I bet they aren't sharing.

These days battery chargers and inverters are made to be disposable when they go wrong. Most vendors don't even repair their own returns at the component level any more.

If you really want to find the fault, I suggest starting with the FETs.
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Old 23-08-2016, 21:12   #3
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Re: Xantrex battery charger schematic

Thanks for the reply boatbod,
I suspected locating a schematic would be challenging after reading the Xantrex support page. I guess I will resort to the more tedious signal flow tracing between components to locate the problem. My friend was tossing the charger, so I will fix it and use as a spare. Be well........Bill
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Old 24-08-2016, 10:00   #4
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Re: Xantrex battery charger schematic

Good luck. I've tried doing that a couple times (was an EE in a previous life) but always ended up tossing them in the end.
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Old 26-08-2016, 18:49   #5
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Re: Xantrex battery charger schematic

if you replace it stay away from the newer true charge 2. to date I have throw away more of the newer ones then the older ones. they last about a year.
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Old 27-08-2016, 05:15   #6
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Re: Xantrex battery charger schematic

Quote:
Originally Posted by smac999 View Post
if you replace it stay away from the newer true charge 2. to date I have throw away more of the newer ones then the older ones. they last about a year.
Most anything currently made by Xantrex seems to be junk three days. Their inverters are a case in point - the old Link 2000 remote panel was nicely configurable, but the new stuff won't even let you properly tune battery charging voltages.
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Old 27-08-2016, 08:57   #7
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Re: Xantrex battery charger schematic

In Costa Mesa California repairs and has all the schematics
(714) 809-4003.


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Old 10-08-2017, 12:11   #8
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Re: Xantrex battery charger schematic

Hi Bill, did you have any luck finding anything here? I'm looking for the f1 internal fuse amperage on the AC input side. Its F1 on the board and isn't labelled.

Thanks
Chris
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