Pioneer SX-205 Service Manual - Page 11

SCH-4

Page 11 highlights

QTA1 24ES TO FRONT ASSY J3 (-s-SCH-5) 2.4 VOLUME ASSY 2 R IN TONE GND R OUT GND L OUT -12V +12V DIRECT 2SK246-T 2SK246-T 0601 0603 uy,0 vi..0 Or 0 LOUDNESS C601 R609 NI Ztk N t.1 R505 R607 0\ r-. x- 2 K 9 -,-C603 ,1 1. 7 1......0.047 0 O 0602 2SK 246-T 0604 2SK 246-1 4 .?s6 -06EV R606 R 8 91( Cylp R 0 30P 68K M O' No 2SK 246-T 0605 0 C605 2 2 50 $0 G Cr 0 ::0*G a G C606 'O 2 0606 2SK246-? Cc 0 0 Lc) 0 0607 LO La M 4 0609 N ii CC 0611 DTC124ES-T DTC124ES-T DTC124ES-T DTA124ES-T BA4558DX 10601 (2/2) R625 C609 100 4.7/50 BUFF M - G rU La 12.01 8 R626 100 4 IC601 (1/2) -1W 61 413 4.7/ 0 BA4558DX D 1SS 2 S 2-T VOLUME ASSY AWZ8037 _ SIGNAL ROUTE I SOH -4 I ▪ AUDIO SIGNAL ROUTE L:TO TONE L'FROM TONE GND 0 GND © R ,FROM TONE 0 R TO TONE LOUDNESS DIRECT 0 VR UP VR DOWN 0 +5, 6V 11 M GND 0 -1 2V +1 2V 0 CP Nr to▪r-f cc r- cc Nr ..0 CZ 0613 Pit 2( PA111056-1-2E/F 2S 1115-E F La ACX7027NPVR601 (3/3) N N \ C611 4.7/35 6' 11 1 R623 R624 1K 0614 0615 2SC2603-E/F 2SC2603-E/F_ MOTOR VOLUME SX-305RDS, SX-205RDS • This diagram is viewed from the mounted parts side. • The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram. VOLUME ASSY PCB -2 RNP 7131- A 0605 0606 VR601 6 10601 0601 0 061 1 0015 Q603 0614 0604 0609 0613 0610 0607 0612 0608 r. •I.3 k : re. .!.;, ,j (r.d. *'Se: if;UftriM.. e • VS4p 1.• , 0 04. 0 0 TO MOTHER ASSY CN 2 TO FRONT ASSY J3 SCH-4 VOLUME ASSY VOLUME ASSY SCH-4 20

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SX-305RDS,
SX-205RDS
2.4
VOLUME
ASSY
This
diagram
is
viewed
from
the
mounted
parts
side.
The
parts
mounted
on
this
PCB
include
all
necessary
parts
for
several
destinations.
For
further
information
for
respective
destinations,
be
sure
to
check
with
the
schematic
diagram.
2
DIRECT
2SK246-T
2SK246-T
0601
0603
uy,0
vi..0
R
IN
TONE
GND
R
OUT
GND
L
OUT
-12V
+12V
Or
0
LOUDNESS
C601
R609
Ztk
N
I
N
t.1
R505
R607
0\
K
9
r-.
x
2
-,-C603
,1
.
171
..
....
0.047
M
O
'
No
2SK
246-T
0605
0
C605
2 2
50
$0
G
Cr
0
BA4558DX
10601
(2/2)
R625
C609
BUFF
100
4.7/50
M
-
G
SIGNAL
ROUTE
AUDIO
SIGNAL
ROUTE
I
SOH
-4
I
L:TO
TONE
L'FROM
TONE
GND
GND
0
O
0602
0604
2SK
246—T
2SK
246-1
4
.?
s
6
0
6
EV
::0*G
a
G
R606
R
8
C606
91(
'O
2
Cylp
R
0
0606
2SK246-?
30P
68K
QTA1
24ES
0
0
Lc)
0
0607
Cc
LO
N
La
ii
M
4
CC
0609
0611
r
-
U
La
12.01
8
R626
4
100
IC601
(1/2)
-1W
4
61
4
13
.
7/
0
R
,
FROM
TONE
R
TO
TONE
LOUDNESS
0
©
0
DTC124ES-T DTC124ES-T DTC124ES-T
DTA124ES-T
BA4558DX
D
1
SS
2
S
2-T
SCH-4
VOLUME
ASSY
AWZ8037
_
2SC2603-E/F
2SC2603-E/F_
MOTOR
VOLUME
DIRECT
0
VR
UP
VR
DOWN
to▪
r
-f
(
0613
2
A1
P115--
0612
E/F
2S
1115
-E
F
0
CP
cc
cc
r
-
Nr
N
r
..0
CZ
ACX7027-
Pit
NP
VR601
(3/3)
C611
4.7/35
R623
R624
1K
0614
0615
+5,
6V
M
GND
La
N
N
\
'
61
1
1
0
11
0
-1
2V
+1
2V
TO
FRONT
ASSY
J3
(-s-SCH-5)
0605
0606
10601
0
0601
0609
061
1
0015
Q603
0614
0604
0613
0610
0607
0612
0608
VOLUME
ASSY
VR601
r.
PCB
-2
RNP
7131-
A
I.3
k
:
re.
.!
.;,
,j
.
(rd*‘
.
Se:
if UM..
e
VS4p
;
fri
t
,
0
1.•
04.
0
0
6
TO
MOTHER
ASSY
TO
FRONT
ASSY
CN
2
J3
VOLUME
ASSY
VOLUME
ASSY
SCH-4
20