The console type system for fixing the deflection coil on the CRT freely comprises a power cct. (20), a signal generator (30) with colour signal selection switches (SR, SG, SB) for providing corresponding colour signal to electron guns, an image amplifying cct. (40) with volumes (VR, VG, VB) for controlling the image gain of R, G, B, a deflection cct. (50) with switches (S1, S2) and volumes (SV, VP) for adjusting the vertical center point of the screen, a negative power cct. (60) for providing constant bias voltage (Em) to (40) and voltages (Ek) to the R, G, B electrodes, and a medium high voltage cct. (70) for providing high voltage to the positive electrode and the voltages (EC2, EC3) to accerleration and focus grids.
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