QSC RMX4050

[clintronics]

Can anyone look up the generic part numbers for Q112 and Q113 for me?
Thanks

[Enzo]

Is there a schematic?

When I was servicing for QSC, none of the parts had coded numbers or house numbers. There were unusual parts like IRFZ44, but that is a real part number.

What numbers are on the existing parts? If they are burnt, look at the other channel.

Or where are they in the circuit, what do they do?

[clintronics]

This is a very small transistor and I dont have a microscope on my home bench. I will have to wait till I have access to my microscope I guess.

[Jazz P Bass]

Add a 2N to the schematic part number.
Q112: 2N3904 small signal NPN
Q113: 2N3906 small signal PNP

RMX4050HD.zip

[doctor]

Due to the fact that these transistors are "very small" (I suppose the packages are SOT23 ), corresponding part numbers are MMBT3904 (or FMMT3904) and MMBT3906 (or FMMT3906).