Marantz ST-40 - Page 8

C313
R323
J30!
220/16V
47k
ra
MP
-
1.4V
L?V
PME.
Lesi0
|
eae
(2.0v)
\(0.9V)
rzig
YOO
ADS:
a=
1o00p
VCO
ADJ
POINT
:
G)
O)
~)
a7x
@O
as
Vec
GNO
R314
PHASE
10k
DETECTOR
STABILIZER
VWF
VCO
INTERFERENCE
ON/OFF
SUPPRESSION
SWITCH
,
(4)
-
=
R303
er
IV
100k
C305
———
57
kHz
OUTPUT
(3)
ooi2
|
4.7k
BUFFER
_
§302
SYNCHRONIZATION
eur
.
DEMODUL
ATOR
ee
:
:
R
,
os
©)}
L
CH
ie
Es
TITS
MUT
ON:0.4V
c3il
asizs
mi
OFF:
11,8V
10/50V
Role
:
D>
TO-CURRENT
MATRIX
0
2-(11)
4
tC)
TUNER
OUT
uae
CONVERTER
|
enema
|
are
c3i2
4
SYNCHRONIZATION
3.5V
DEMODULATOR
(16)
=
R
CH
2
C304 R304
O.1/50V 100k
38 kHz 114kHz
REF
SIGNAL MUT ON‘0.8V
DEPENDENT
OFF
:OV
STEREO
CONTROL
MONO/STEREO
SWITCH
R308
4.7k R32)
tk
Q303,0304
JC5478
Q302
DTAI44ES
PILOT
PRESENCE
DETECTOR
MUT ON:ILOV
47k OFF:0V
MUT ON-0
“OF FAL9V Ly
Q305
DTCIISES
STEREO: 4.9V
MONO: 0¥, ov
A
STEREO: OV
MONO: 4.8V
OV 0.4V
(ov) 100k
R3
+| C307 R312
ww Rare 4
0.1/50V 22k +5VP
4.9V |STEREO: 4.8V
(3)-—(4)
24
7k
ols
=) Fe
tO
o
~
[\ + S
™
< Qa
ST IN
Q505
LC6538D-4177 6502
100px8
[— Fn Fam at tg ee eh ee a |
PRReRRaR ee:
| |
reas (a Ns eee a wso2
|
©)
ies = a OO 2
a a 2
2: eee El
ee ie eee
2, nes Ol : 08)
, O
eee i): ns
GonTROLLER ano onveR © |_Sigy | :
8 SEGMENT 8
4
SEGMENT/
DIGIT
ae
wso3
aa
RET
EE
2
JC5478 ee :
o 0 cere eee (55 - To PSO2
eae
i
:
(WSO3)
By
ae
EaA
FF)
O
ees :
ST
|
508
Tae
eseae
7
a
‘SE 100 j |
10V
|
es ee es | |
6503
100px8
62) 222% — s0v
~D506
etc. OSC | 2.3V
ee
4.19
MHz
ao
roa
rea Pt or $ ai eer
X502
tH
32.768
kHz
ae
|
4.19
MHz
RSI
pen
2)
L—-9O--J
=
+s.6v
10k ps01—*Y
Q507
1/0
PORT
G
170
PORT
H
(y22"
ISPy-
(Sie
fe.
JC547B
eesit
_|esio
+]
C514
4.5V.
Hz220
5:0;
grsos
|
OO/1OY
2
c5i3
{+
16V
i
“470.
“s
Soy
Tt
0509
ov| 5 T 3300
6.3V
“J5O1
R515 i? IN
47
| RC
4) | OUT
wsor &
a ey,
To PSO2 (WSO!)