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You mean 9 LED flashes ?
If you use a MPG4 decoder in CAM slot try removing and inserting again with Power OFF.
If not solved then problem is a faulty CAM reader board or/and Tuner board.
Usually(almost 100%) is a faulty CAM board with a burned out diode.
A Sony electronics technician can repair/replace diode or perform a replacement of both CAM board and Tuner board, which are cheap nowdays, for better and sure results.