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57
7-24. IC BLOCK DIAGRAMS
2
3
1
5
OPIN2 +
6
OPIN2 –
7
OPOUT2
8
GND
9
STBY1
4
BIAS IN
OPIN1 +
OPIN1 –
OPOUT1
11
12
13
14
10
PowVcc1
VO2 (–)
VO2 (+)
VO1 (–)
VO1 (+)
OPIN3 +
OPIN3 –
OPOUT3
GND
STBY2
PreVcc
OPIN4 +
OPIN4 –
OPOUT4
PowVcc2
VO3 (–)
VO3 (+)
VO4 (–)
VO4 (+)
Vcc
STAND BY
CH1 2 3
Level
Shift
Level
Shift
Level
Shift
Vcc
STAND BY
CH4
Vcc
Level
Shift
27
26
28
24
23
22
21
20
25
18
17
16
15
19
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
20k
10k
10k
10k
10k
10k
10k
10k
10k
10k
+
–
3 (5) BAND
GRAPHIC EQUALIZER
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
64
63
62
61
60
59
58
57
56
55
45
46
47
48
49
50
51
52
53
54
44
43
42
41
25
26
27
28
29
30
31
32
33
34
40
39
38
37
36
35
80
79
65
66
67
68
69
SUR NF
KEYIN1
DPLIN1
RECAP
RECB1
F1A1
F1B1
F2A1
F2B1
F3A1
F3B1
FOUT1
FCIN1
TCA1
TCB1
TCC1
TCOUT1
SEFFIN1
SEFFA1
SEFFB1
SEFFD1
SEFFC1
SEFFOUT1
VOLIN1
MIC IN
KEYIN2
DPLIN2
RECA2
RECB2
F1A2
F1B2
F2A2
F2B2
F3A2
F3B2
FOUT2
TCIN2
TCA2
TCB2
TCC2
TCOUT2
SEFFIN2
SEFFA2
SEFFB2
SEFFC2
SEFFD2
SEFFOUT2
VOLIN2
BBA2
BUFIN2
IVSS
BUFOUT2
GND
DGND
LATCH
DATA
CLK
DVDD
L+ROUT
GND
BUFOUT1
IVDD
BUFIN1
BBA1
IN F1
IN E1
IN B2
IN C2
IN D2
IN E2
7ch
SEL
SW3
SW2
SW2
SW3
7ch
SEL
IN F2
+
–
+
–
+
–
L&H TONE
CONTROL
SOUND EFFECT
(EXCITER)
+
–
+
–
3 (5) BAND
GRAPHIC EQUALIZER
+
–
+
–
+
–
L&H TONE
CONTROL
SOUND EFFECT
(EXCITER)
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
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9
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8
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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TEL 13942296513 QQ 376315150 892498299