We have 8563E Portable Spectrum Analyzer, 9 kHz to 26.5 GHz provide an ERROR 353 : SRCH FLD No acceptable YTO DAC value found .((ERR 353 SRCH FLD No acceptable YTO DAC value found.))
the quotation , what is the related hardware component and how to repaired .
would you send me the block diagram of this spectrum analyzer .
thank you