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DESIGNED AND MANUFACTURED BY YORKVILLE SOUND
THERMISTOR
THERMISTOR
THERMISTOR
SENSE
HIGHEST
SHUT
DOWN
THRESHOLD
AC POWER
SENSE
FA
N
DRIVER &
REGULATOR
+41V
FAN
NAND
LEFT MUTE FET
RIGHT MUTE FET
SUB MUTE FET
-19V
TO
UNMUTE
M1213 BOARDM1214 BOARD
M1213 BOARD M1214 BOARD
THERMISTORS
MONITOR
HEATSINKS
FAN RUNS FOR 2sec
WHEN POWER IS TURNED ON TO
INDICATE FUNCTIONAL ST
ATUS,
AND BEGINS FULL OPERATION
AT 45 DEG
C