korean spool to PDF giving garbage values

Hi,

     My requirement is to convert script output as PDF and send as email attachment . My issue is, i am getting PDF in email with garbage values for korean letter english letter working fine. Please help me .

for conversion spool to PDF i am using FM

   CALL FUNCTION'CONVERT_OTFSPOOLJOB_2_PDF'
      EXPORTING
        src_spoolid              = i_itcpp-tdspoolid
        no_dialog                = 'X'
      IMPORTING
        pdf_bytecount            = tp_numbytes
        pdf_spoolid              = tp_pdfsplid
        btc_jobname              = tp_jobname
        btc_jobcount             = tp_jobcount
      TABLES
        pdf                      = ta_pdf
      EXCEPTIONS
        err_no_otf_spooljob      = 1
        err_no_spooljob          = 2
        err_no_permission        = 3
        err_conv_not_possible    = 4
        err_bad_dstdevice        = 5
        user_cancelled           = 6
        err_spoolerror           = 7
        err_temseerror           = 8
        err_btcjob_open_failed   = 9
        err_btcjob_submit_failed = 10
        err_btcjob_close_failed  = 11.

Regards,

manon