Inphase 4000

[luigidedom]

Have an inphase 4000d that went into protect when strapping, no blown fets and driver board still all good

 

[Perry Babin]

Post a photo of the board if you don't get your question answered.

 

[luigidedom]

 

[luigidedom]

removed the output fets and the driver board, amp stays in protect

 

[Perry Babin]

Please use the 'go advanced' and 'manage attachments' buttons to post images. The way they are posted above will wipe out anything typed in the text box if the image is clicked.

If there is a Q1 (a1266 could be Q226) that drives into R18 (4.7 ohm could be R269), remove the transistors. Does that allow the amp to power up?

 

[luigidedom]

found it, had a different part number, its an A733 shorting, removed it and the amp turns on thanks perry