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ARP-047-O
Shot/,n tn thb b Model SX-7.
COMPUTER CONTROLLED
sx-7
STEREORECEIVER
sx-6
SX-s.SiX-EiL
SX-,QISX-4L
. The AM tuner of SX-4L and SX-SL is a two
wave-bandtuner with MW (mediumwave)and
LW (longwave).
Model SX-7 (and SX-6, SX-5 and SX-4) are new
types of receivers featuring microcomputers for
easier operation. The AM/FM tuner stagesincorpo-
rate quartz PLL synthesizers for high stability,
while the power amplifier stage is a non-switching
amplifier which achieves class A quality with class
B efficiency (not included in the SX-4 model).
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BLOCK DIAGRAMS
SX.4/KU
FM FRONT ENO FM IF AMP A DETECTOR FM MPX STEREO OEMOOULATOR FREQUENCY OISPLAY
I F A H P A D E T E C T O RI C ItPx STEREo
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PLL SYNTHESIZER CIRCUIT IC P06004
R6
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R8
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/
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osc
1
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