YBA DESIGN P1000, Руководство по обслуживанию

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III. Assembly of the amplifier PCB
1. place moons (blue isolation sockets) on the brass plate
2. add some thermal grease as shown in the previous image
3. join both aluminium and brass plates
4. insert transistor isolation plates on each sides
5. fix the amplifier PCB on the upper side using the 4 screw holes
6. insert and isolate power transistors and fix them using M3*16 screws
7. solder B and E pins of power transistors