TA2123AF
Terminal
No.
Name
Function
31 LPF
Low pass filter terminal of bass boost
Internal Circuit
20kΩ
PW IN
20kΩ
10kΩ
10kΩ VREF OUT
31
Terminal
Voltage
(V)
0.73
33 BST OUT
34 BST NF
35 AGC IN
Output of boost amplifier
NF of boost amplifier
Input of boost AGC circuit
・The input level to the boost
amplifier is controlled by the input
level of this terminal.
・Input impedance: 10kΩ (typ.)
OUTC
VREF OUT
20kΩ
33
100kΩ
34
VREF OUT
- + 35
10kΩ
VREF OUT
0.73
0.73
0.73
36 DET
Smoothing terminal of boost AGC
circuit
36
—
37
C-AMP
SW
38 MT TC
Center amplifier on / off switch
・Output type of power amplifier
OCL type: OPEN
(C-AMP ON)
Output coupling type: GND
(C-AMP OFF)
Smoothing terminal of MT SW
In order to reduce a pop noise at
power amplifier on / off switching
Center amplifier
—
37
38
0.7
5
2002-10-30