taramp 6500

[megael9]

This unit is powering on , and after a few seconds it goes into clip light on ,continues flashing every second, there is no 21khz out of pins 25 and 26 of the micro controller PIC, 50 kHz are present at pin 23 of PIC. Originally this amp came to me with all the power supply mosfet shorted out, at this moment no mosfet are in the power supply, can the PIC be on protection mode for the power supply section or is it just bad?

[luka]

PIC could also be dead... what else apart from fets was or still is dead?

[megael9]

Becouse the 50 khz out of pin 23 are present, and the amp powers up ok
I was i was just wondering, if the problem was coming from a shutdown
condition, place else.

[luka]

but does shutdown come from any other place?
I don't know it this is possible, but is it possible that supply pins are ok, and pin that are for output are not?

And I wouldn't say amp powers up ok, ok sure power supply still works, but that led is saying it is in protect, isn't it? I would try to find, how does pic know when there is an error, there must be some circuit that detects all sorts of things and adjusts the voltage so pic car read it

See if that part of the is ok, coz program in pic seems to be still running
And try to find if you can get new controller for teramps, if you would need to replace it

[fcruz]

check the resistors that are going to pin 2 of the pic are two and a 22k 8k2 + b leaves they can be altered