No. 6867-16/28
LC75343M
Treble/Bass/Super Bass Band
From
volume
block
Equivalent to right channel
Unit: (resistance:
)
SW3
LTRE
LBASS1
Total = 51.701 k
Total = 33.097 k
LBASS2
LOPOUT
LINM
LINP
↑
Common to general-purpose
op-amp, ATT op-amp
Equivalent to right channel
Unit: (resistance:
)
LVREF
SW4
SW2
SW1
±10
dB
16.240
k
±8
dB
±6
dB
±4
dB
±2
dB
0
dB
4.246
k
5.346
k
6.730
k
8.473
k
10.666
k
SW3
SW4
SW2
SW1
±10
dB
±8
dB
±6
dB
±4
dB
±2
dB
0
dB
3.964
k
4.989
k
6.281
k
7.908
k
9.955
k
LSB
Total = 33.097 k
LOUT
SW3
SW4
SW2
SW1
±10
dB
±8
dB
±6
dB
±4
dB
±2
dB
0
dB
3.964
k
4.989
k
6.281
k
7.908
k
9.955
k
During boost, SW1 and SW3 are on, during cut, SW2 and SW4 are on, when 0 dB, 0dBSW and SW2 and SW3 are on.
For the super bass block:
In case of general-purpose op-amp specifications, ATT control specifications (“0” set to D3)
SW3, SW4 are off, and only boost side operates (only SW1 is on).
In case of 3-band specifications ( “1” set to D3)
During boost, SW1 and SW3 are on, during cut, SW2 and SW4 are on, when 0 dB, 0dBSW and SW2 and SW3 are
on.
