After assembly to modify a file

I bought this miracle today, Chinese proizodstva. Power supply 0-15V / 2A, sometimes very necessary. Sovdepovskie course abruptly, but the benefits of size. Well, as usual, I can not hold out, not to disassemble and modify weaknesses. The first step is altered and lengthened snotty wire output. Two crocodile and two spring kryuchёchka give naprugu that ustanavlivaesh and 2 more kryuchёchka after half voltage divider issue. With this clear. Next test for faults, normul buzzer screaming sho Podorvanov, lights blink prilyapan new output transistor to the back wall of the housing, which is thinner cans and also in general much he pokrashena- heated, so it was decided to modify cooling. Transistor discern in the package)

out of the box in which everything right and vazhnoe- because there is no time to sort out and throw it was vyuzhen this radiator. Drills, nadfilyuem, customize, isolate ...