I hope this can lead you-Try Following Methods:
Press and Hold the memoryFun/Set/function button the unit until the clock digits flash.
Set the hours by holding the up or down arrows on the skip buttons on the unit until you get the correct hour.
Press the memory button once more for the minutes and set these again using the skip up and down buttons.
When time correct press the memory/Function/Set button again to set.
Perss the clock button
press pause on the cassette deck - the hour should be blinking
press fastfoward/rewind to adjust it up and down
Press pause again to move to minutes
Press ff/rewind to adjust minutes
Press pause one last time
Still cant you Set time..Just try Other Button similar as i Provided above by Press and Holding Button....Download Manual from here
[It can help you to Provide all about the Product]
Thanks for Contacting FixYa.....