Smoked Novak GTB

Brushless, lipo, spectrum, etc...

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KidAgain
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Smoked Novak GTB

Post by KidAgain »

Im so pissed at myself I put the battery plugs in backwards and totally smoked my GTB ESC now the damn thing cogs like an old school brushed setup and you got to push start the damn car to get it going :x :x :x :x :x :|

anyone can fix these?
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Re: Smoked Novak GTB

Post by tamiya »

You've likely blown 1 or 2 of the 6 drive channels.
Does it still work in Brushed configuration?
Be careful about using it though... sometimes the blown FET is stuck 'on' and conducts, which heats up the heatsink even if ESC seems to work ok.

No idea if anybody fixes them anymore. Could be possible to unsolder & replace FETs but short of having another junk GTB to harvest good parts off, dunno where to source spare chips.

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Re: Smoked Novak GTB

Post by KidAgain »

tamiya wrote: Mon Apr 15, 2019 4:36 am You've likely blown 1 or 2 of the 6 drive channels.
Does it still work in Brushed configuration?
Be careful about using it though... sometimes the blown FET is stuck 'on' and conducts, which heats up the heatsink even if ESC seems to work ok.

No idea if anybody fixes them anymore. Could be possible to unsolder & replace FETs but short of having another junk GTB to harvest good parts off, dunno where to source spare chips.
Yah bud I just tossed it in the spare parts bin, looks like the bottom row of chips burnt to a crisp. Was still working but it had real bad cogging and stinks baaaaaaaaaaaaaaaaaaaaaaaad.
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Re: Smoked Novak GTB

Post by jwscab »

If you can take a really clear picture of the bad row and the good rows, we can see if replacement parts are available. I just fixed an associated esc by replacing all the fets.

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Re: Smoked Novak GTB

Post by KidAgain »

Here you go bud............................ugh doesn't look clear enough ill try tonight..

Image
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Re: Smoked Novak GTB

Post by matt1ptkn »

I've done this before. Crazy enough, my new ESC had the Tamiya battery plug polarity reversed. :roll: Never even occurred to me to check that. I tried to contain the magic smoke for re-installation later, but no luck.

That looks like a very tricky and tedious job to replace the burnt components. Good luck!
Matt

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Re: Smoked Novak GTB

Post by KidAgain »

Yup the genie (smoke) definitely escaped the esc and she smelled really bad lol.
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Re: Smoked Novak GTB

Post by jwscab »

it's not terrible with the right tools. However, I'm not having much luck trying to find an equivalent mosfet based on those numbers. the symbol roughly centered on the left, is that an 'S' or 'R' or something else? ST is a possibility.

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Re: Smoked Novak GTB

Post by KidAgain »

jwscab wrote: Wed Apr 17, 2019 3:18 pm it's not terrible with the right tools. However, I'm not having much luck trying to find an equivalent mosfet based on those numbers. the symbol roughly centered on the left, is that an 'S' or 'R' or something else? ST is a possibility.
I'll check tonight bud.......................
Visit Nostalgic RC in the business section or @nostalgicrc on Facebook for your custom RC10DS parts

Gone: RC10, Jrx-2 and Jrx-t
Current: 3 SC10 first gens, 3 SC10 Street Outlaw's, 12 RC10 DS’s, Carbon RC10T, RC10LSS,RC10L, RC10 Graphite,RC10 B44

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