Technics RS-BX606 - Drive and Control Circuit Schematics

RS-BX606_ _RS-BX606
E
h
4
R629
47
R631
47
IE
Lee
_-
PLAYBACK
GAIN
ADy.
1c902(1/2)
as
(L
ch)
16904
ESAS
50VO.
ava
=
MN4066B
“a
Qi~4
INPUT
i
”
2SC33IIAQSTA
SELECTOR
8
REC
EQ
3
(X2/
CrO2/METAL)
<
2
Ic4o1
ae
i
S$
CXAI331S
ic902
38,
ica
.
yo2
DOLBY
B/C
NR
MS5218AL
ag
mez
ieAL
Reh
eeu
PRS
Se
ee
ee
ee
eo
ee
eee
LEVEL
METER
z
AMP
CORRECT
coo
aie
oe
npn
-
7p
---p--4-
-----
+
--
5,
PHASE
E
I
=
:
ClO
47P
I
£
R22
22k
52
R64
8
si
Q5,6
s0vO.1
18K
i
2.
2SAIZ09AQSTA
Ic2ct72
7
5
REC EQ
é
5
(X2/Croz/METAL)
[Ris
Ov
7
ag
22K
oy
Ov
4.4v
i
ss
PLAYBACK
16903
:
one
sf
mechs
oe
GAIN
ADJ.(R
ch)
ates
M5218
AL
‘
S37
se
UFFER
}]
2scaziiaasta
|S:
oo
Tse
CXAI331S
0
DTCII4EsTP
(Bias
ADJ)
|
(X%2/6r02/METAL)
L
Peary
DOLBY
B/C
NR
:
22
“W-
2
c
=
=
:
OVERALL
GAIN
ADJ.
(L
ch)
b Ic901
A
M5218
AL
>
TPS
0913~
915)
+
ae
64ACYGTA
|
mal6sTA
g
*
g
abi
ee
SC
CONT.
s
=
3
3
R458 | R457
R464 680K | R463 680K
C452 1200P
g>
Soe
Soa
Q901
2SC33IIAQSTA
TPS
+
620 10V1000
C49 50VI
fe
0
R472
2.2K
c50
50VI
OVERALL
GAIN
ADy.
(Reh)
Q451~454
—W
—ftH
I.
1SR35200TB
2SC33IIAQSTA
#
>
MPX
CONTROL
2,
ISR35200TB
j
%& These are the parts for MPX effect adjustment.
When these parts are supplied, they have been adjusted.
Thus
it
does
not
need
to
readjust
when
you
change
these
parts.
Q909 (10.3v)
UY
} C701, 702
ee
M5218AL
-
CLASS
AA
HEADPHONES
AMP.
iS
te z
asut
8
(POWER)
R928 12k] S7I9-2 S7I9-1
aT DRT STS re 71
J !
ul
R929 6.8K
Ic701
(172)
R946
100
1C907
M50253P
SYSTEM CONTROL
(12-BIT SERIAL /PARALLEL CONV.)
MTZJ 1 2CTA'
7PLAY @)
)
D2O37EFTA
ULATOR
Q905,906
4
z
2
3
x
OTAII4ESTP
|
a]
SWITCHING
TEST
TERMINAL
©)
(DOLBY
B/C)
? CNGEOA) Ww60
(}—(1)
VY
9
uxroa
0908.
O}—~2)
H
“
|
HEADPHONES
DIA
TES
TP.
ah
O
(MPX)
—
-13.4V
=
iS
2
1
|
£3
3
6)
©)
9908
IL6V
a
iS
[Oy
OTAII4ESTP
-54v
R939
SWITCHING
a
8.2k
(7-—@)
1c702
(8)
(172)
08
(9}-
{3}
R940
1309
AQSTA
us
GULATOR
[ej Power SWITCH CIRCUIT