Treadmill board schematic needed

[ABDUL SAMEE]

i need B304 S10 treadmill control board schematics

 

[Minder]

Post photo of the board.
M.

 

[ABDUL SAMEE]

this is

 

[Minder]

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]

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]

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]

zoom to see i made tracks highlighted

 

[ABDUL SAMEE]

waiting for you response ....