Bose FreeSpace 25 Посібник інсталятора - Сторінка 8
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3.0 Configurations
3.2
Signal processing
The block diagram in Figure 5 is on the top of the system controller. It illustrates the audio
signal's path through the controller.
CHANNEL A
300mV
2V
CHANNEL A
EQ.
∑
∑
PAGE
OFF
MODEL 32
EQ.
LINE
MODEL 32
CHANNEL A
8
INPUT
300mV
2V
BASS CUT
CHANNEL B
CUT
NORMAL
∑
∑
PAGE
OFF
MODEL 8
EQ.
MODEL 8
LINE
CHANNEL B
OUTPUT
BLOCK DIAGRAM
AM177675-2_04_V.pdf • May 7, 2002
CHANNEL B
MIC
LINE
BASS CUT
EQ.
NORMAL
CUT
∑
∑
PAGE
OFF
PAGE
OFF
MODEL 32
MODEL 8
EQ.
EQ.
MODEL 32
MODEL 8
Figure 5
Block diagram.
PAGE
AC POWER
CONNECTOR
PAGE LEVEL
315mA FUSE
SLO-BLO
0-26dB
AUTOMATIC
GAIN ADJ.
100-120VAC
220-240VAC
PAGE
OFF
ON
SELECT SWITCH
POWER
EQ.
PAGE
POWER
DRIVE
SUPPLY
AGC
®
OPTI-VOICE
DETECTOR
PAGE/MUSIC
PAGE
SWITCHER
AUDIO GND
OPEN
POWER
GND