Sony SA-VS110 / SA-VS310 Service Manual ▷ View online
SA-VS110/VS310
SA-VS110/VS310
9
9
2-4. SCHEMATIC DIAGRAM - INPUT CONTROL PWB, LED PWB, SWITCH PWB BOARD -
CN906
CNP904
2P
1
2
2
3
3
IN
LINE
CUT OFF
FREQ
LEVEL
REVERSE
PHASE
LED DRIVE
(RED)
LED DRIVE
(GREEN)
AUTO
OFF
POWER SAVE
LEVEL
COMPARATOR
NORMAL
GREEN
LED
RED
LED
POWER
BUFFER
MFB
MFB
AC DET
–14V REG
POWER
(AC IN)
MAIN POWER TRANSFORMER
T801
1
1
2
3
4
2
3
4
5
6
6
2
2
3
2
3
4
2
3
4
5
6
3
4
5
6
7
8
9
8
9
10
11
11
D202
SML72423C-TP15
C902
0.0047
FH901
F901
2.5A/125V
FH951
C114
10
50V
C117
10
50V
C401
10
50V
C402
10
50V
Q401
DTA124ESA-TP
SWITCH
DRIVE
Q402
DTC124ESA-TP
POWER SAVE
SWITCH
Q403
2SA1115TP-EF
CURRENT
SOURCE
C405
470
16V
Q404
2SC1740S-QR
T
REG
Q405
2SC1740S-QR
T
LED
SWITCH
Q406
2SA1115TP-EF
Q408
2SA1115TP-EF
C206
CNP902
2P
C104
10
50V
C109
10
50V
RY901
S901
RV102
20k
CN401
4P
R202
R203
R420
1k
R424
1k
R413 2.2k
R117
4.7k
R135
4.7k
R133
10k
R134
10k
R136
10k
R405
10k
R408
47k
R409
10k
R122
22k
R402
22k
R116
33k
R416
47k
R422
47k
R407
100k
R410
100k
R414
100k
R423
100k
R207
R211
0
R404
470k
R403
470k
C103
220p
C107
0.1
C108
0.1
C115
0.1
C116
0.1
C207
C105
0.01
C106
0.01
R901
47
R401
22k
R406
220k
IC102(1/2)
NJM4565M
LINE AMP
IC102(2/2)
NJM4565M
MIX AMP
IC103(1/2)
NJM4565M
LPF
IC103(2/2)
NJM4565M
HPF
IC104(1/2)
NJM4565M
PHASE
IC104(2/2)
NJM4565M
BUFFER
IC201(1/2)
NJM4565M
IC201(2/2)
NJM4565M
BUFFER
IC202(1/2)
NJM4565M
IC202(2/2)
NJM4565M
C403
0.001
C404
0.001
IC401(1/2)
NJM2904M
AUDIO
LEVEL
DETECT
IC401(2/2)
NJM2904M
BPF
R123
4.7k
R137
4.7k
R125
15k
R127
22k
R128
0
R213
C406
0.1
R124
100k
C110
0.22
C111
0.082
C113
0.22
J101
IC402(1/2)
NJM2904M
AUDIO
LEVEL
DETECT
IC402(2/2)
NJM2904M
CN901
2P
CNP905
R121
10k
R113
47k
C409
0.1
C410
0.1
R419
10k
CNP103
11P
C303
220p
C306
220p
C304
0.1
C305
0.1
Q302
KTA1273-Y-AT
Q301
KTD1028
+14REG
R301
2.2k
R302
D406
1SS133T
MA111-TX
C430
100
10V
R431
47k
Q430
2SC1740S-QRT
CNP402
3P
JW
90
7
R129
47k
R130
1k
R131
0
RV101
10k
C112
0.22
*1 R418
R418 180
680
R415 47k
C407
220
16V
R41
1
47k
C408
0.1
S101
S102
D405 UDZSTE-174.7B
D401
MA111-TX
D402
M
A111
-T
X
D403
MA1
11-TX
D404
M
A111
-T
X
R111
1k
R115
22k
R119
10k
R118
10k
R112
1k
R421
D301
UDZSUSTE-1715B
D302
UDZSUSTE-1715B
R204 220
R430
4.7k
C301
C302
D901 1 MA111-TX
C307
C308
C202
0.22
C412
1000
6.3V
100
16V
470
1k
0
0.1
1k
2P
2.2k
100 16V
100 16V
10 50V
10 50V
+VR1
+14
-14
-14
+14
PRE AMP O/P
C201
1
2
5
1
1
2
3
5
6
7
8
4
2
4
3
6
1
1
7
6
5
5
6
7
1
2
4
3
5
5
6
6
7
7
8
8
1
2
3
4
8
8
1
2
3
0
4
2
3
2
3
4
4
7
8
5
6
7
8
SWITCH PWB
BOARD
INPUT CONTROL PWB BOARD
LED PWB BOARD
IC202
IC201
IC102
IC103
IC104
IC402
IC401
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
MAIN PWB BOARD
CN601
(Page 7)
A
MAIN PWB BOARD
CNP401
(Page 7)
C
MAIN PWB BOARD
CNP906
(Page 7)
B
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
IC B/D
• See page 10 for IC Block Diagram
SA-VS110/VS310
SA-VS110/VS310
10
10
• IC Block Diagrams
IC102, IC103, IC104, IC201, IC202
NJM4565M-D (INPUT CONTROL PWB BOARD)
NJM4565M-D (INPUT CONTROL PWB BOARD)
V+
B OUT
B-IN
B+IN
A OUT
A-IN
A+IN
V-
IC401, IC402
NJM2904M (INPUT CONTROL PWB BOARD)
NJM2904M (INPUT CONTROL PWB BOARD)
IC500 uPC1237C-A (MAIN PWB BOARD)
1
2
3
4
7
8
OVER
LOAD DET
F/F
OFFSET DET
LATCH
AUTORESET
VCC ON
MUTE
AC OFF
DET
VCC
OVER
LOAD
DC
DETECT
RESET
AC OFF
RELAY
DRIVER
VCC ON
MUTE
GND
5
6
GND
1+
1-
1OUT
2+-
2-
2OUT
VCC
1
2
3
4
5
6
7
8
11
SA-VS110/VS310
SECTION 3
EXPLODED VIEWS
1
A-1781-936-A MAIN PWB BOARD, COMPLETE
2
A-1781-943-A INPUT CONTROL PWB BOARD, COMPLETE
3
4-999-482-91 KNOB
(VOL)
4
4-244-832-51 KNOB
POWER
5
3-703-244-21 CORD BUSH (2104)
0
6
1-834-270-11 CORD POWER
7
4-874-614-52 SCREW (1) (3.5X20), TAPPING
8
3-905-609-32 SCREW
(TRANSISTOR)
0
T801
1-445-727-11 POWER TRANSFORMER
0
F901
1-533-418-12 FUSE, GLASS CYLINDRICAL
RV101
1-227-573-11 RES, VAR 10K
RV102
1-227-572-11 RES, VAR 20K
0
Q708
6-702-390-01 IC MN2488-OPY-MK
0
Q709
6-702-391-01 IC MP1620-OPY-MK
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#2
7-685-881-09 SCREW +BVTT 4X8 (S)
#3
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet’s Color
3-1. SA-WVS310
(MAIN)-1
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque
0
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce por-
tant le numéro spécifi é.
tant le numéro spécifi é.
5
3
7
6
not supplied
cabinet section
(SA-VS110/VS310)
(SA-VS110/VS310)
#2
#3
Q708
Q709
#2
#1
#3
#1
#1
RV101
supplied with RV101
supplied with RV102
RV102
2
1
8
4
T801
not supplied
not supplied
not supplied
(SWITCH PWB board)
(SWITCH PWB board)
not supplied
F901
7
7
12
SA-VS110/VS310
3-2. SA-WVS310
(MAIN)-2
51
A-1782-025-A GRILLE
FRAME
ASSY
52
1-826-571-31 LOUDSPEAKER (25CM) 4
53
4-874-614-62 SCREW (1) (3.5X16), TAPPING
#3
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
Ref. No.
Part No.
Description
Remark
#3
51
52
53
not supplied
not supplied
(LED PWB board)
(LED PWB board)
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