HP 8559A Operation And Service Manual page 324

SERVICE MODEL 8559A
(08565-60090)
YIG-TUNED OSCILLATOR FIRST MIXER 3 dB ATTENUATOR
ASSEMBLY A6 ASSEMBLY AT1
RE AR YI G S E C O ND C O NVERTER FR O NT Y I G MIXER
MOUNTING BRACKET ASSEMBLY A5 MOUNTING BRACKET SUPPORT BRACKET (08559-60061)
(08559-00036) (08559-00035) (08559-00013)
FIGURE &24. RF SECTION, COMPONENT LOCATIONS