Harman Kardon 150+ - Page 17

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AUDIO
INPUT
100 KHz!
FILTER
VARIABLE
ATTENUATOR
SCHMITT
TRIGGER
MUTE
SCHMITT
TRIGGER
STEREO
THRESH
DC PILOT INDICATOR
.___----1 SWITCH
i......-------t SWITCH
AUDIO
OUTPUT
L R
LOGIC
NETWORK
MUTE r/
DEFEAr
TO IF DC
OUTPUT
STEREO
ONLY
DETECTOR a I I LOGGING STAGE
EMITTER FOL'R r----1 a EMITTER r-------,
FOLLOWER
BALANCE
DETECTOR
AND
GATE
ON STATION
LIGHT
B+
"
-=-