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General Information - Pioneer GR-408 Service Manual

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7. GENERAL INFORMATION

7.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
M5229P (MAIN BOARD ASSY : IC2, IC3)
• Graphic Equalizer
Pin Arrangement
IN 1
1
20
–Vcc
NF 1
2
19
GND
IN 2
3
18
+Vcc
NF 2
4
17
OUTPUT
IN 3
5
16
INVERTING INPUT
NF 3
6
15
NON-INVERTING INPUT
IN 4
NF 7
7
14
NF 4
IN 7
8
13
IN 5
NF 6
9
12
NF 5
10
11
IN 6
Block Diagram
–Vcc
GND
20
19
10k
47k
560
1
2
IN 1
NF 1
Pin Function
N
. o
P
n i
N
a
m
e
1
N I
1
2
N
F
1
3
N I
2
4
N
F
2
C
o
m
p
o
s
e
c
a
p
a
t i c
r o
i w
5
N I
3
o l
c
a
e t
d
n
e
s
t e
u
p
b
y
c
6
N
F
3
v
o
u l
m
e
. )
7
N I
4
8
N
F
4
9
N I
5
1
0
N
F
5
INVERTING
+Vcc
OUTPUT
18
17
10k
47k
560
3
4
IN 2
NF 2
F
u
n
t c
o i
n
h t
e
b
a
n
d
p
a
s s
t l i f
r e
b
y
c
o
n
n
e
t c
n i
h t
N I
t
r e
m
n i
a
s l
a
n
d
N
F
t
r e
m
n i
a
t x
o t
e
a
c
h
o
h t
e
, r
a
n
d
h t
e
g
a
n i
c
o
n
n
e
t c
n i
g
a
v
r a
a i
b
e l
e r
s
t s i
r o
s (
NON-
INVERTING
NF 7
INPUT
INPUT
16
15
14
560
47k
47k
47k
560
5
6
7
IN 3
NF 3
IN 4
N
. o
P
n i
N
a
m
e
1
1
N I
6
C
c
1
2
N
F
6
o l
1
3
N I
7
s
v
1
4
N
F
7
g
a
N
o
- n
n i
v
e
t r
n i
g
s l
1
5
N
n i
p
t u
a
n
b
e
d i l
e
1
6
n I
n I
v
e
t r
n i
g
n i
p
t u
1
7
O
U
T
P
U
T
O
1
8
+
V
c c
P
1
9
G
N
D
G
2
0
V
c c
N
IN 7
IN 6
NF 6
13
12
11
560
47k
47k
47k
560
560
8
9
10
NF 4
IN 5
NF 5
F
u
n
t c
o i
n
o
m
p
o
s
e
h t
e
b
a
n
d
p
a
s s
t l i f
r e
b
y
a
p
a
t i c
r o
i w
h t
N I
t
r e
m
n i
a
s l
a
n
d
N
c
a
e t
d
n
e
t x
o t
e
a
c
h
o
h t
e
, r
a
n
d
h t
t e
u
p
b
y
c
o
n
n
e
t c
n i
g
a
v
r a
a i
b
e l
e r
o
u l
m
e
. )
o
- n
n i
v
e
t r
n i
g
n i
p
t u
p
n i
f
r o
o
u
p t
t u
v
e
t r
n i
g
n i
p
t u
p
n i
f
r o
o
u
p t
t u
O
P
u
p t
t u
p
n i
f
r o
o
u
p t
t u
O
P
a
m
. p
o
i s
v i t
e
p
o
w
r e
s
u
p
p
y l
p
n i
o r
u
n
d
p
n i
e
g
a
v i t
e
p
o
w
r e
s
u
p
p
y l
p
n i
GR-408
c
o
n
n
e
t c
n i
g
a
F
t
r e
m
n i
a
s l
e
g
a
n i
c
a
n
b
e
s
t s i
r o
s (
d i l
e
O
P
a
m
. p
a
m
. p
11

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