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4
Block Diagram
INPUT
THR
U
1
J15
1
HI-P
ASS
LO
W CUT
CONT
OUR
COMPRESSOR
THRESHOLD
COMPRESSOR
SWEEPING
FIL
TER
LO-P
ASS
DELA
Y
176uS
HI-FREQ
40-120 Hz
LO-FREQ
UENCY
DRIVER
TWEET
LO-FREQ
AMP
HI-FREQ
AMP
SENSE
RESIST
OR
BASS CONTR
OL SER
V
O
LOOP
W
OOF
PEAK
LIGHT
PEAK
DETECTION
THRESHOLD
LPF
THRESHOLD
+
Ð
MID VDC
+
Ð
LO VDC
+
Ð
HI VDC
T
O
R
OID
AL PO
WER
TRANSFORMER
FUSE
PO
WER
SWITCH
ON
OFF
+15VDC
SIGNAL
SENSE
SIGNAL
SENSE
MUTE
ON/OFF
CONTR
OL
MUTE
MUTE
PO
WER
LEDS
THERMAL
LED
THERMAL
SWITCH
LO
W A
C
V
O
LTS SENSE
TIMED
TURNOFF
SIGNAL
LED