Sinuslive sla 1500 v2

[Torppa]

Hi, i have this sinuslive amp that was allready broken when i got it. When i connect it to a power supply the power light come on and protect light starts blinking. It wont produce sound, i have changed the power supply fets and output transtistors but nothing changed. When checking with the multimeter it seems that something on the ouput side is shorted as it beebs on every leg of the transistors. What should i check next?

 

[Perry Babin]

What's the difference between a V1 and a V2?

 

[Torppa]

Im not sure, apparently at least that the v2 doesnt have master/slave option and the v1 does.

 

[Perry Babin]

Post photos of the main and audio driver boards.

 

[Torppa]

Is these enough?

 

[Perry Babin]

The audio driver board is the one standing near the output filter inductor. Post a photo of the component side of that board.

Do you have a scope?

 

[Torppa]

This one then. No i dont have a scope.

 

[Perry Babin]

With no power applied, post the readings on the following output FETs.

Q5 diode-check
Leg 1 - 2:
Leg 1 - 3:
Leg 2 - 3:

Q5 resistance
Leg 1 - 2:
Leg 1 - 3:
Leg 2 - 3:

Q9 diode-check
Leg 1 - 2:
Leg 1 - 3:
Leg 2 - 3:

Q9 resistance
Leg 1 - 2:
Leg 1 - 3:
Leg 2 - 3: