Cannot install CWR recovery in my Android tablet

view story

http://androidforums.com – Hai i am new in android world.i have tablet PIXCOM PGM399 is equivalent for Viewpad 7 or FM6.I try to replace stock recovery in my tablet but after almost a year i having my tablet i never successed apply custom recovery in my tablet.I already follow many forum,first i try use ROM Manager for use clockwordmod recovery,then i try use flash image in terminal emulator is doesn,t success either,then i try fastboot method it,s doesn't work either.Then i also try CWM;CWM and CWM still does'nt work. Because i try install custom recovery,now my tablet can not get in (General)