AIWA NSX-A505 Service Manual - Page 25

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IC BLOCK DIAGRAM 2 IC, NJM2I52M 0 15 %Af 4-• 4 IC, 8A3835S ASi„ 1 VREFC 7 B t A V RE BOOST LEVEL CLINFRCL 10 14 1. 8...)/ AOLJT FiREF N.C. !REFERENCE CURRENT I 05HZ BPF PEAK ........ HOLD '4 4 ',) 7 r s'.) BP , A- r > 1(Z BPF 1 C IN 3, 4KHZ1 b-> 3PF PEA< -i0LE RE_ PEAK HOL£ A E PEAK HOLD A !N , 8 vcc f-9\ 0. 5K.FIL PF PEAK HoLa A MPX EEC 6) TEST 1 l•• N C SEL A - 33 -

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IC
BLOCK
DIAGRAM
2
IC, NJM2I52M
0
%A
f
15
4
IC,
8A3835S
4-•
7
BOOST
LEVEL
CLINFRCL
10
ASi„
1
B
t
A
14
18)
.
.../
VREFC
V
R
E
AOLJT
FiREF
6)
TEST
!REFERENCE
CURRENT
I
05HZ
PEAK
........
BPF
HOLD
N.C.
'
4 4
',)
7
PEA<
r
s'
.
)
BP
,
-i0LE
1
l••
N
C
RE_
A-
r
>
1(Z
BPF
1
PEAK
HOL£
SEL
MPX
A
E
C
IN
3,
4KHZ1
PEAK
b->
3PF
HOLD
A
!N
,
8
••••••-----
0.
5K.FIL
PEAK
PF
HoLa
A
vcc
f
-
9\
EEC
A
-
33
-