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IC BLOCK DIAGRAM & DESCRIPTION
IC440 AN7348K (PLAY/REC Pre Amp)
24
A/Rec
B
A/Rec
B
1
IC441 LC75342M (2 Band Equalizer)
L4
11
L3
12
L2
13
L1
14
NC
15
NC
16
R1
17
R2
18
R3
19
R4
20
All manuals and user guides at all-guides.com
23
22
21
20
Mute
PB Amp(L)
PB Amp(R)
Mute
2
3
4
5
LSELO LIN LTRE
10
9
8
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
21
22
23
RSELO RIN RTRE
19
18
17
16
P
ALC
R
Rec
Amp(L)
Rec
Amp(R)
R
Logic
A/B
Logic
Rec/PB
8
6
7
9
LBASS1 LBASS2
7
6
LVref
CCB
INTERFACE
RVref
24
25
RBASS1 RBASS2
- 12 -
15
14
13
R
P
Nor/Cro
& Hi/Lo
Logic
Ripple
P
Rejection
10
11
12
LOUT
5
4
TEST
3
V
SS
2
CE
1
DI
30
CL
29
V
DD
28
Vref
27
NC
26
ROUT
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