I have a nice heavy duty auto battery charger that was gifted to me. Someone had tried to repair it (remove parts) before I got it. The problem is that I can't find a schematic and the 4 missing parts c5,c7,t1,t2 didn't come with it. I was hoping that someone with more knowledge about circuit design than myself could help figure out what's missing. Thanks for your help.

 

I have a nice heavy duty auto battery charger that was gifted to me. Someone had tried to repair it (remove parts) before I got it. The problem is that I can't find a schematic and the 4 missing parts c5,c7,t1,t2 didn't come with it. I was hoping that someone with more knowledge about circuit design than myself could help figure out what's missing. Thanks for your help.

Hi J,
My guess is, for T 1 and 2, the 3x PIN ones, the function selector and Volt selector switches. ( Or perhaps T = Temp sensors?)

EDIT: I've had second thoughts! Now T may = Power Transistors.

Show the rest of the Schematic.
Cheers, Camerart.

 

I've had second thoughts! Now T may = Power Transistors.

Yes, but are they NPN, PNP, or MOSFETS (N or P)?

 

Yes, but are they NPN, PNP, or MOSFETS (N or P)?

Hi A,
The full schematic would help.
C

 

Hi A,
The full schematic would help.
C

Hi I can't find a schematic for the board but will try to work the board back and draw one up.