General Information - Pioneer GR-408 Service Manual

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