Advertisement
IC BLOCK DIAGRAM & DESCRIPTION
IC411 LC75342M (Function SW / Electric Volume
/ 2 Band Equalizer)
LSELO LIN LTRE
10
9
8
L4
11
L3
12
L2
13
CONTROL
CIRCUIT
L1
14
NC
15
CIRCUIT
NC
16
R1
17
CONTROL
CIRCUIT
R2
18
R3
19
R4
20
21
22
23
RSELO RIN RTRE
LCD DISPLAY DESCRIPTION
LCD60
28
T9
1h
T4 T6 T7
T2
E
T3 T5
PAD NO.
IC NO.
1
C1
2
C2
3
C3
4
S1
5
S2
6
S3
7
S4
8
S5
9
S6
10
S7
11
S8
12
S9
13
S10
14
S11
LBASS1 LBASS2
LOUT
7
6
5
LVref
LOGIC
CCB
INTERFACE
RVref
24
25
26
RBASS1 RBASS2
ROUT
A
2h
F
B
G
K
C
D
3h
1
2
COM1
COM2
COM3
COM1
--
--
COM2
--
--
COM3
7A
7F
7B
7G
ON
7C
6A
6F
6B
6G
OFF
6C
T1
MHz
5
PROG.
BASS
T5
T6
4A
4F
4B
4G
IC412 TA8229K (Power Amplifier)
IN-1
11
10
NF1
4
TEST
3
V
SS
RIPPLE
2
CE
9
TERMINAL
1
DI
30
CL
12
IN-2
29
V
DD
13
NF2
28
Vref
27
NC
M
M
K
K
4h
3
4
T8
PAD NO.
IC NO.
--
15
--
16
17
7E
18
7D
19
CH
20
6E
21
6D
22
TR
23
kHz
24
25
ST
26
4E
27
4D
28
- 13 -
VCC2
VCC1
8
4
-
Ch-1
+
BIAS CIRCUIT
THERMAL CUT-OFF
PROTECTION
-
Ch-2
+
14
15
PRE
PRE
GND1
GND2
T1
5
6
COM1
COM2
S12
4M
4C
S13
3A
3F
S14
3B
3G
S15
3M
3C
S16
T2
T4
S17
T9
T3
S18
T8
4h
S19
2A
2F
S20
2B
2G
S21
2h
2C
S22
1A
1F
S23
1B
1G
1C
S24
1h
S25
SURR
SLEEP
6
B.S.1
5
OUT-1
POWER
7
GND
3
OUT-2
2
B.S.2
1
7
COM3
4K
3E
3D
3K
T7
--
3h
2E
2D
MONO
1E
1D
1K
AM
Advertisement
