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Do not working main motor circuit board complaint iwant circuit diagram

Do not working main motor iwant electronic circuit diagram for motor

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Is it inductchion or brush if ind try capacatitor

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Posted on Jan 02, 2017


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Philips 1970s 715 model turntable

It's possible that your main reference library where you live could have a copy of the circuit diagram. Otherwise I would contact Philips. Circuit boards from the 70's would no longer be made. You might find a second hand model, perhaps on e-bay, perhaps with a mechanical fault, rather than an electronic one. But you might have to wait for a long time for one to turn up.

Dec 30, 2013 | Philips Audio Players & Recorders

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Proform V650 Treadmill - Main motor does not turn

The board will most probably need replacing. Almost certain.
I repair this brand for the manufacturer.

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Fan problems

this is indicative the some electronics components is in short circuit in the pcb. You must replace. However RUN the software calibration for diagnose, and fix it. see the block diagram.
you can measure the input voltage for the main motor if there are the motor is o.k and vice-versa
2) you can measure the output meassure from the pcb board is there are NOT the board is faulty for the input voltage motor.

God bless youa08494b5-3ed3-48b4-a4fe-493c0f2df5af.gif

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GW708U Fisher and Paykel Washing machine Power Controller board trips earth leakage breaker

Hi your pump may be leaking the earth to trip breaker.
Check or replace the pump.

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T40 treadmill 5 yrs old , been working okay until few days ago. The treadmill moves a cm. & power circuit trips at the mains. I live in UK. Please help.

please a) see the video and lube the rollers bearing too very IMPORTANT
b)if after you did the problem persis, is time to replace the Old board deck by new ones
c) However test the main motor see my personal TIPS for motor help.see the input voltage for motor, if there ARE the motor need repair
d) test the output board, for input voltage motor, if there ARE not the board is faulty, replace see the block diagram.+w.diagram too
God bless you1_18_2013_4_12_50_pm.gif1_18_2013_4_13_45_pm.gif1_18_2013_4_14_22_pm.jpg

Jan 18, 2013 | Tunturi T40 Folding Treadmill

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My TX 350 sportcraft stop work and burn out the fuse, I change the fuse twice,so I check the voltage. I have 120v going to the circuit board but 375v going to the motor instead of 240v.

Dear Sir:
If you are shure the voltage coming from the main motor board is higher in according with the w.diagram you must exchange the board.

But you must shure that some service tech, will be installing for better

sincerely. God bless you.

Apr 21, 2012 | Exercise & Fitness

1 Answer

My treadmill will not go flat for folding

1) Try to put some grease of W-40 for to loose the screw or pins in both sides, in that way you can get the walk table down for folding.

2) Of course if you have electronic problem with the elevation motor is not going down , you must do some Test:
see if the relais for down and up and closing or open. if there are clean or spray the contacts with contact cleaner. If there are NOT closing or open the board is faulty.
3)Are another faulty, Test if the flexible cable from keypanel vs display board is o.k ? then tight the connector form display board vs lower board( main motor controller board).
4) Main motor faulty Test. 5) the main motor board is faulty. 6) Gear from elevation motor is faulty , test the POT from the elevation motor, and the elevation motor is faulty Test with THE DVoltemeter. See the block diagram.
12_6_2011_6_11_01_pm.gifWith this block diagram that I did, is for you have a better understanding how the treadmill is work, And how the main motor board has 90% aprox of function of the machine. In that way you will have better determined from your troubleshooting.
sincerely. G-d bless you. If you need additional assistance, please reach me.


Dec 05, 2011 | Exercise & Fitness

1 Answer

I have a fitnex t60 treadmill it says prg bad what does that mean and how can i fix it

You have probably mechanical-electronic problem.

1) Adjust the sensor Reed switch. see the diagram 1/8"-3mms
2) Tight the flexible cable or connector between the keypanel and PDisplay board, and clean for dust.
3) Finally you must test the power supply for +5Vdc for I.Circuit(Including EPROM, ROM, etc).
4) The power supply is coming from Lower Board calle PController Motor, the supply the +5vdc, from the power supply coming from the Transformer controller.
Finally you must concluded if the problem is the Display Board or Main Motor Board. Sincerely.

Nov 21, 2011 | Fitnex T60 Light Commercial Treadmill

1 Answer

The power switch does not connect immediately. I have to keep pushing it 5 or 6 time before it connects

I consider our complaint is against the front panel power switch of your Sony TV, and posts this solution. Sony telivision power switches are of two pole single throw types and soldered direltly to the main printed circuit board. Your complaint is related with its poles contact inside. They can be defective, and is not repairable. Replacing ti is the only solution. To do this, disconnect the TV from AC mains first, and open it. Draw out the main printed circuit board, and will come with the switch. Desolder the switch out from the board, and go for a new one. It can be purchased from most of the electronic spare part shops. Keep the sample with you. Note its legs position and its pitch. Replacing it will solve your problem. Ok.

Jan 28, 2011 | Sony FD Trinitron WEGA KV-13FS100 13" TV

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