asteroid's down need help

[funofit]

can any one help my asteroid's game?I have recently had some repair done to my G05 monochrome X-Y monitor deflection board. which had some fryed resistor's and diode's and replaced 2 nte 285 and 2 nte 284 transistor's they are just outside the deflection board in deflection heat sink. the monitor run's the aseroids down the left side of the screen in abought two inches if anyone could give me any help I would be verry gratefull Darrell