Motorola R-20010 Maintenance Manual page 40

[A11 RfiNPUT M ODULE - - -
ANTENNA
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Rf IN/OUT- - - - - - - - - - - , ; ) 1 - - ---1
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RECEIVER SOARD- -
700 KHz BFO
OSCILLATOR
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BFO CONTROL
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AUDIO
SELECT
SWITCH
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COMMUNICATIONS
SYSTEM ANALYZER
MONITOR MODE
Figure2-5. Block Diagram
64 DEMOD AUDIO
67 DEMDD CAL AUDIO
62 VOLUME CONTROL AUDIO
700 KHz If TO SCOPE
65 lf/BFO COUNTER
57 WIDE BAND SIGNAL PRESENT
19 SIGNAL STRENGTH
17 SPECT ANAL VZER
,..,...,.
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