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10-22-2004 07:53 PM  13 years agoPost 1
blackhawk_UK

rrNovice

Wilts - UK

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Hi,

Does anyone know how to make a new magnetic sensor for a GV-1 ?
I bought 2 GV-1's (from different stores) this week, and both have maxed out at 97% as soon as i plugged the battery in to test the magnets polarity !

I'm assuming, from reading the numerous posts on here, that both sensors are fried.

I've found loads of info on how to put together optical sensors, but does anyone know how to make a megnetic sensor, with the wiring for a GV-1 ?

Any help appreciated !

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10-22-2004 08:34 PM  13 years agoPost 2
AndyH

rrKey Veteran

Rockledge, FL

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I don't think you can. Have you taken a look at what's inside the case of the GV-1 sensor? A lot of circuitry that's all SMT. It looks like there are some transistors and supporting circuitry that I'd imagine condition the signal.

The good news is the sensor high thing can be repairable if you have a good soldering iron and are decent with it. Usuall the sensor stuck on hi's cause is the white wire has disconnected itself from the board, just solder it back on carefully.

I've fixed one this way myself.

If you take some care putting the sensor in by wrapping it in heat shrink and potting the wires in goop (inside the heat shrink) the sensors seem to last a really long time.

Good luck and I hope you can get them fixed.

Of course your other option is to go optical - they work pretty darn well too and are easier to get in since they can be a ways from the fan and still work great.

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10-22-2004 11:21 PM  13 years agoPost 3
AndyH

rrKey Veteran

Rockledge, FL

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Try a throttle jockey hall sensor with a resistor.
uh? a resistor huh? Perhaps a value?

Does this work?

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10-23-2004 12:02 AM  13 years agoPost 4
jag01

rrApprentice

Pennsylvania

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your sure the sensor is bad? might be the gv-1 is bad. if the gv-1 not bad take the senors back and get good ones.

Keep them blades turning !

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04-05-2005 12:28 AM  12 years agoPost 5
ChrisW

rrApprentice

Bonsall, CA

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TJ sensor on GV-1...

I tried the 1K resistor mod on the TJ sensor and plugged it into my GV-1...
The sensor reads 0 at the magnet and 97% everywhere else...
Will this work?
How do you set the position of the sensor? With the Futaba sensor you can use the % value on the screen to get the best position of the sensor... with the modified TJ sensor it seems to be an off or on proposition.

Some very detailed insight and experience on this topic would be very appreciated.
Thanks!
ChrisW

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