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535 john deere baler


 
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denham
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PostPosted: Fri Jun 18, 2021 8:17 pm    Post subject: 535 john deere baler Reply to specific post Reply with quote

I am trying to figure out what is wrong with monitor has power going to it but no lights are coming on when powered up. power plug has power. checked wiring to monitor and going to baler for conductivity and is fine any ideas what is wrong. has monitor died?
 
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Tx Jim
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PostPosted: Sat Jun 19, 2021 3:12 am    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote


Only light that should illuminate with gate closed/twine arm in home position is the green light with monitor & baler wiring harnesses connected & the bulb(AM31284) could have possibly failed. If switch on back of monitor is in on position & has not failed I'll guess failed printed circuit board
 
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coonie minnie
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PostPosted: Sat Jun 19, 2021 3:18 am    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote

With it turned on, move the actuator arms on the back of the baler for belt shape. While you do that, have someone watch if the needles move at all on the gauges. Then you will know if that function is at
least working.
 
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Tx Jim
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PostPosted: Sat Jun 19, 2021 3:38 am    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote


Another check is move switch arm on RH side by twine pump & amber light should blink if monitor has 12 volt power
 
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Brownie450
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PostPosted: Sat Jun 19, 2021 3:18 pm    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote

There should be a 5-Volt regulator [LM7805] & a
LM317T regulator which is usually 12-Volts
which are attached to a heat sink [usually
the case].

Looking from the front, the left terminal is
Voltage in.
Middle terminal is ground potential.
Right terminal is regulated Voltage output.

Check these Voltages & that will give you an
idea of where to check for trouble.
Jim
 
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Tx Jim
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PostPosted: Sun Jun 20, 2021 4:03 am    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote


Sorry but may I ask what you're referring to because I don't have any idea what you're referring to??? Are you referring to the board in a JD 535 rd baler monitor?
 
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Brownie450
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PostPosted: Sun Jun 20, 2021 11:40 am    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote

Yes, Jim.
If all the other checks for wiring & sensors come up
as good, you need to start looking for loss of Voltage
in the box. If Voltage is good going into the circuit
board [left hand lead on regulator]---12 Volts, & zero
or slightly more on the right lead on the regulator,
the regulator is faulty.

This just narrows the fault finding down.
Jim
 
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Tx Jim
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PostPosted: Sun Jun 20, 2021 11:45 am    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote

CVPost-Brownie450 wrote:
(quoted from post at 15:40:13 06/20/21) Yes, Jim.
If all the other checks for wiring & sensors come up
as good, you need to start looking for loss of Voltage
in the box. If Voltage is good going into the circuit
board [left hand lead on regulator]---12 Volts, & zero
or slightly more on the right lead on the regulator,
the regulator is faulty.

This just narrows the fault finding down.
Jim


What regulator are you referring to? There is no regulator in a JD 535 monitor box.
 
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Brownie450
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PostPosted: Sun Jun 20, 2021 1:52 pm    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote

Sorry to have stirred up a hornets nest.
I'll back out of here.
Jim
 
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Tx Jim
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PostPosted: Sun Jun 20, 2021 2:17 pm    Post subject: Re: 535 john deere baler Reply to specific post Reply with quote

CVPost-Brownie450 wrote:
(quoted from post at 17:52:29 06/20/21) Sorry to have stirred up a hornets nest.
I'll back out of here.
Jim


Brownie450
No hornets nest disturbed on my end just searching for explanation about what regulator you were referring to so an old Cogger such as I might understand.
Jim
 
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