The console was due for a November release. PlayStation 3 goes on sale as scheduled in the US and Japan, but will be delayed in Europe.
The problem lies with a shortage of a key component in the console's disk drive.
Seymour Pierce research analyst Richard Ratner said: 'We think that Game will lose about£4 million of profits gross, but almost one third of this will be clawed back by substitution of other items. We therefore reduce our profit estimate for the year from£21 million to£18.5 million.'