The present invention relates to an initial repeater selection method for a digital DBS receiver, and more particularly, to an initial repeater selection method when a viewer applies power to a digital DBS receiver for the first time after purchasing the digital DBS receiver. Receiving a transport stream (S2); Determining whether the received transport stream is a normal information stream or noise (S3); A valid PID setting step (S4) after detection of a program related table and a program map table when the received transport stream is a normal information stream; Determining whether there is an actual service stream input in the set valid PID, and ending all initial repeater selection processes according to a result of the determination (S5); A step (S6) of judging whether a required time from the determination of whether there is actually a service stream input to the set valid PID to the current time exceeds a reference time; And a step (S7) for the receiver to select another repeater in the detected program related table and program map table and then to the transport stream receiving step (S2). According to the present invention as described above, When the power is first applied after purchasing the receiver, there is an effect that it is possible to select an effective initial relay that relays a valid service stream in the receiver itself.
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