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CDX-GT21W/GT210/GT260/GT260S
• IC BLOCK DIAGRAMS
IC401 BD3444FS-E2 (MAIN Board (1/3))
FIL
20
GND
19
SDA
18
SCL
17
MUTE
16
VCC
15
OUT-FR
14
OUT-FL
13
OUT-RR
12
OUT-RL
11
FADER
VCC
FADER:
0 – -62dB/1dB step
TREBLE:
• fc = 10kHz
• GAIN = ±20dB/1dB step
• Q = 1
BASS:
• fc = 100Hz
• GAIN = ±20dB/1dB step
• Q = 1
VCO
I
2
C BUS
LOGIC
FADER FADER FADER
BUS-RCH
1
BUS-LCH
2
TU-RCH
3
TU-LCH
4
CD-RCH
5
CD-LCH
6
AUX-RCH
7
DN1
8
DN2
9
AUX-LCH
10
INPUT SELECTOR
INPUT GAIN
(0 – -20dB/1dB step)
PRIMARY VOLUME
(+12dB – -20dB/1dB step)
MUTE
BASS/TREBLE
VCC/2