
210 Servicing Personal Computers
normally unnecessary to remove the CRT and deflection assembly in order to undertake
normal service work. Indeed, one should avoid disturbing the adjustments on the deflection
assembly (particularly where colour monitors are concerned) and this should only be removed
when either the CRT or the scanning yoke itself is to be replaced.
Monitor adjustment
Some adjustment of the pre-set controls of a monitor will almost certainly be required
whenever a major component replacement or substitution is made. The procedure varies
greatly according to the complexity of the monitor concerned.
In all cases and before attemptin ...