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Treadmill board schematic needed

Minder

Apr 24, 2015
3,478
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Apr 24, 2015
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3,478
Don't have for that board, but the usual suspects are the power devices, that appears to be a PWM version so the 3 semis on the HS could be tested.
M.
 

ABDUL SAMEE

Apr 4, 2017
7
Joined
Apr 4, 2017
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i found a transistor which is open . its located at speed sensor connection. SG smd code transistor . changed with SY because at my location not available. now its running ... but when i run treadmill at speed from 1 to 4 in between motor is just raising and stops again raising and stops.... above 5 its running continuously.... when i start waking its struck LT blink.
 

ABDUL SAMEE

Apr 4, 2017
7
Joined
Apr 4, 2017
Messages
7
i found mp3 slot in my upper board i checked power at its 10v power showing i plunged my speaker to check but nothing sound coming out . also fan slot is there i plunged it but fan not working no power at ...
see photo attachment...
 

ABDUL SAMEE

Apr 4, 2017
7
Joined
Apr 4, 2017
Messages
7
zoom to see i made tracks highlighted
 

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