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3-8.
SCHEMATIC
DIAGRAM
(EQ, MAIN,SP
SECTION)
e See page 9 for IC Block Diagrams.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
(Eq BOARD]
5
5
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BOARD)
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254988
CURRENT
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H
5
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a
|
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i
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aba 4
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1
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RYU BOARD Um
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pea
6810
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-45V REG,
|
4
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5
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|
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D514 14682
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|
100/35V
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f
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R426
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TRANSFORMER
NOT REPLACEABLE!
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(CHASSIS)
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g00900090
00090099
0900
0
9
BUILT
IN
TRANSFORMER,
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q
4
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7
a
t
NJM4560D
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b
d.--
|
PHONO
AMP
UZL7M1
cP414
(A)
94014, 402
65 >
6
a
EQ AMP
io,
INPUT
BOARD
(F) RYJ S0ARD
\
caoe
2802545
eee
aan
Note:
and tantalums.
e
All
resistors
are
in 2
and
1/,W or
less unless
otherwise
specified.
e
fend : nonflammable
resistor.
e
fw}: fusible resistor.
Note: The components identified by mark A\ or dotted line
28C2545
C404
C405
Ae a hig
0.056
0.016
100
C508
0.47/160V
}
Ratz
R418
| BBk 1/2
4.7k
1720
7
e
-
So
oe
ee
with mark /A\ are critical for safety.
PJ6
sek ka
Seda
8 se
es ee
ge
yee
al
Replace only with
part number specified
UeV ,
YWY 2
P
ae
(CHASSIS)
fium —> Ome
sik
=
=
a
=
ae
-
=
e
a
=
ms
~
=
ce
<
>
sot
¥
-
:
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. Bt line.
auveeueounsuccccoslceenewceuceo=ses 'Secseweccenccoce Beecetecceweccs SdSsbcesecudcéaciaddedsavmacccadeecaccuccanccuceoncsce <
©
eeapen
~ B- line.
e []
: adjustment for repair.
©
Voltage
and
waveforms
are
de
with
respect
to ground
under no-signal
conditions.
e
Voltages are taken with a VOM. (input impedance 10M)
Voltage variations
may
be noted
due to normal
produc-
tion tolerances.
Q451
Q452
Ca
e
Signal path.
eBSS>: PHONO
0
8
at OO
OO
OS
OE
OW
OO
OO
ORO
OCHO
SSSS
DSS SHOSSRODOEMSNMSEmemwemaamdl
TP
et 4 tae
aes oe
S218
er
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