Sony SA-W2500 Service Manual

66
SA-W2500/W3000/W3800
SA-W2500/W3000/W3800
1-2. SCHEMATIC DIAGRAM
– INPUT CONTROL, LED AND SWITCH BOARDS –
IN
SPEAKER
LINE
OUT
IN
OUT
LINE AMP
MIX AMP
BPF
LPF
CUT OFF
FREQ
LINE AMP
HPF
LEVEL
BUFFER
REVERSE
PHASE
PHASE
LED DRIVE
(RED)
LED DRIVE
(GREEN)
LED
SWITCH
REG
AUTO
OFF
CURRENT
SOURCE
SWITCH
DRIVE
AUDIO
LEVEL
DETECT
AUDIO
LEVEL
DETECT
POWER SAVE
SWITCH
POWER SAVE
LEVEL
COMPARATOR
NORMAL
GREEN
LED
RED
LED
POWER
BUFFER
BUFFER
MFB
MFB
AC DET
+14V REG –14V REG
POWER
L
N
AC IN
MAIN POWER TRANSFORMER
T1
1
1
1
1
2
3
4
5
6
2
2
2
3
INPUT CONTROL BOARD
W2500
W3000
W3800
W2500
W3000
W3800
W2500
W3000/
W3800
W2500(E51)
W3000/W3800(E51)
W3000/W3800
E51
EXCEPT
E51
E51
E51
EXCEPT E51
CN906
CN904
2P
3P:E51
2P:EXCEPT E51
1
2
D
2
0
2
J
W
9
0
4
C
9
0
2
F
H
9
5
4
F
H
9
0
4
F
H
F901
*13
F903
*14
S902
120V
220V
240V
VOLTAGE SELECTOR
9
0
1
F
H
9
5
1
C
1
1
4
C
1
1
7
C
4
0
1
C
4
0
2
Q
4
0
1
Q
4
0
2
Q
4
0
3
C
4
0
5
Q
4
0
4
Q
4
0
5
Q
4
0
6
Q
4
0
8
C
2
0
6
C
N
P
9
0
2
C
2
0
1
C
2
0
3
R
1
0
6
C
1
0
4
C
1
0
9
R
Y
9
0
1
S
9 0
1
R
V
1
0
2
C
N
4
0
1
R
2
0
1
R
2
0
2
R
2
0
3
R
2
0
9
R
4
2
0
R
4
2
4
R
4
1
3
R
1
0
8
R
1
0
9
R
1
1
7
R
1
2
0
R
1
3
5
R
1
3
3
R
1
3
4
R
1
3
6
R
4
0
5
R
4
0
8
R
4
0
9
R
1
1
4
R
1
2
2
R
2
1
0
R
4
0
2
R
1
0
2
R
1
1
6
R
4
1
6
R
4
2
2
R
4
0
7
R
4
1
0
R
4
1
4
R
4
2
3
R
2
0
6
R
2
0
7
R
2
1
1
R
2
1
2
R
4
0
4
R
4
0
3
R
2
0
8
C
1
0
3
C
1
0
7
C
1
0
8
C
1
1
5
C
1
1
6
C
2
0
4
C
2
0
7
C
1
0
5
C
1
0
6
R
9
0
1
R
4
0
1
R
4
0
6
IC
1
0
1
(1
/2
)
I
C
1
0
2
(1
/2
)
IC
1
0
2
(
2
/2
)
IC
1
0
3
(
1
/2
)
IC
1
0
3
(2
/2
)
IC
1
0
4
(1
/2
)
IC
1
0
4
(
2
/2
)
IC
2
0
1
(
1
/2
)
IC
2
0
1
(
2
/2
)
IC
2
0
2
(
1
/2
)
IC
2
0
2
(
2
/2
)
C
4
0
3
C
4
0
4
C
N
P
9
0
3
IC
1
0
1
(
2
/2
)
IC
4
0
1
(1
/2
)
IC
4
0
1
(2
/2
)
R
1
2
3
R
1
3
7
R
1
2
5
R
1
2
7
R
1
2
8
R
2
0
5
R
2
1
3
R
2
1
4
C
4
0
6
R
1
2
4
C
1
1
0
C
1
1
1
C
1
1
3
J
1
0
1
IC
4
0
2
(1
/2
)
IC
4
0
2
(2
/2
)
C
N
9
0
1
C
N
P
9
0
5
R
1
2
6
R
1
2
1
R
1
1
3
C
4
0
9
C
4
1
0
R
4
1
9
C
N
P
1
0
3
C
3
0
3
C
3
0
6
C
3
0
4
C
3
0
5
Q
3
0
2
Q
3
0
1
R
3
0
1
R
3
0
2
D
4
0
6
C
4
100
3
0
R
4
3
1
Q
4
3
0
C
N
P
4
0
2
J
W
9
0
7
J
W
9
0
5
J
W
9
0
2
J
W
9
0
9
R
1
2
9
R
1
3
0
R
1
3
1
R
V
1
0
1
C
1
1
2
R
4
1
8
R
4
1
5
C
4
0
7
R
4
1
1
C
4
0
8
S
1
0
1
S
1
0
2
D
4
0
5
D
4
0
1
D
4
0
2
D
4
0
3
D
4
0
4
C
1
0
2
R
1
0
3
R
1
1
0
R
1
0
5
R
1
0
4
R
1
0
7
R
1
1
1
R
1
1
5
R
1
1
9
R
1
1
8
R
1
1
2
T
M
1
0
1
D
1
0
2
D
1
0
4
D
1
0
3
D
1
0
1
R
4
2
1
D
3
0
1
D
3
0
2
R
2
0
4
R
4
3
0
C
3
0
1
C
3
0
2
D
9
0
1
C
3
0
7
C
3
0
8
C
2
0
5
R
1
0
1
C
2
0
2
C
4
1
2
S
M
L
7
2
4
0
C
T
H
B
E
0
.0
0
4
7
1
0
5
0
V
1
0
5
0
V
1
0
5
0
V
1
0
5
0
V
D
T
A
1
2
4
E
S
D
T
C
1
2
4
E
S
2
S
A
1
1
7
5
3
3
0
1
6
V
2
S
C
2
7
8
5
2
S
C
2
7
8
5
2
S
A
1
1
1
5
2
S
A
1
1
1
5
1
0
0
1
6
V
2
P
1
5
0
V
1
5
0
V
4
.7
k
1
/2
W
1
0
5
0
V
1
0
5
0
V
2
0
k
4
P
4
7
0
4
7
0
1
k
1
k
1
k
1
k
2
.2
k
4
.7
k
4
.7
k
4
.7
k
4
.7
k
4
.7
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
0
k
1
5
k
2
2
k
2
2
k
2
2
k
3
3
k
3
3
k
4
7
k
4
7
k
1
0
0
k
1
0
0
k
1
0
0
k
1
0
0
k
2
2
0
k
2
2
0
k
2
2
0
k
2
2
0
k
4
7
0
k
4
7
0
k
4
7
k
2
2
0
p
0
.1
0
.1
0
.1
0
.1
0
.1
0
.1
0
.0
1
0
.0
1
4
7
2
2
k
2
2
0
k
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
N
J
M
4
5
6
5
D
0
.0
0
1
0
.0
0
1
3
P
N
J
M
4
5
6
5
D
N
J
M
2
9
0
4
M
N
J
M
2
9
0
4
M
1
2
k
1
k
1
2
k
0
.1
N
J
M
2
9
0
4
M
N
J
M
2
9
0
4
M
2
P
2
P
4
7
k
0
.1
0
.1
1
0
k
1
1
P
2
2
0
p
2
2
0
p
0
.1
0
.1
2
S
B
7
3
3
2
S
D
7
7
3
2
.2
k
2
.2
k
1
S
S
1
3
3
T
1
0
V
4
7
k
2
S
C
2
7
8
5
3
P
4
7
k
1
k
0
1
0
k
4
7
0
4
7
k
2
2
0
1
6
V
4
7
k
0
.1
U
D
Z
S
T
E
-1
7
4
.7
B
M
A
1
1
1
-
T
X
M
A
1
1
1
-T
X
M
A
1
1
1
-T
X
M
A
1
1
1
-T
X
2
2
0
p
3
3
k
4
.7
k
3
3
k
3
3
k
4
.7
k
1
/2
W
1
k
2
2
k
1
0
k
1
0
k
1
k
S
P
E
A
K
E
R
T
E
R
M
IN
A
L
M
A
1
1
1
-T
X
M
A
1
1
1
-T
X
M
A
1
1
1
-T
X
M
A
1
1
1
-T
X
1
.8
k
U
D
Z
S
-
T
E
1
7
-
1
5
B
U
D
Z
S
-T
E
1
7
-1
5
B
4
.7
k
1
0
0
1
6
V
1
0
0
1
6
V
1
S
S
1
3
3
T
1
0
5
0
V
1
0
5
0
V
1
5
0
V
4
.7
k
0
.2
2
1
0
0
0
6
.3
V
+
V
R
1
+
1
4
-1
4
-
1
4
+
1
4
P
R
E
A
M
P
O
/P
*1 *2 *3 *4
C110 C111 C112 C113
0.68 0.022 0.22 0.22
0.22 0.056 0.1 0.1
0.68 0.018 0.1 0.1
*5 *6 *7 *8 *9 *10 *11 *12 *13
R123 R124 R125 R126 R127 R128 R137 R204 R121
8.2k 100k 5.6k 100k 47k 22k 8.2k 220 10k
10k 8.2k 0 330k 10k 470 6.8k
10k 8.2k 0 330k 10k 560 4.7k
US, CND
AEP, UK, SP, M
Y, AUS
E51
2.5A/125V T1AL/250V T1.6AL/250V
4A/125V T2AL/250V T3.15AL/250V
*13 0 F901
T1AL/250V
T2AL/250V
*14 0 F903
IC102
IC101
IC401 IC402
IC201
IC202
IC103
IC104
3
1
2
1
5
1
1
2
3
5
6
7
8
4
2
4
3
6
1
1
7
6
5
5
5
6
6
7
7
1
2
4
3
5
5
6
6
7
7
8
8
1
2
3
4
8
8
8
1
1
2
4
3
2
3
4
2
3
4
2
3
4
7
8
5
6
7
8
*12
*11
*13
*1
*6
*2
*5
*3 *4
*7
*8
*9
*10
MAIN BOARD
(Page 8)
A
MAIN BOARD
(Page 8)
C
MAIN BOARD
(Page 8)
B

Sony SA-W2500 Specifications

General

frequency response	28Hz-200Hz
woofer size	25cm
power handling	100W
line level input	1 (Rear)
speaker level input	1 (Rear)
power requirements	120V AC, 60Hz
power consumption (in operation)	70W
power consumption (in standby)	less than 0.3W

Weight and Dimensions

weight	10kg
measurements	290 x 350 x 391mm

Summary

Product Specifications Overview

SA-W3800 Specifications

Technical details for the SA-W3800 model, covering power, frequency, and system type.

SA-W3000 Specifications

Technical details for the SA-W3000 model, covering power, frequency, and system type.

Safety Checks and SA-W2500 Specifications

SA-W2500 Specifications

Technical details for the SA-W2500 model, covering power, frequency, and system type.

AC Leakage Measurement

Procedures and limits for measuring AC leakage from exposed metal parts.

Diagram Conventions and Explanations

Schematic Diagram Notes

Explanations of symbols and abbreviations used in schematic diagrams.

Printed Wiring Board Notes

Explanations of symbols and abbreviations used in printed wiring board diagrams.

Electrical Parts List - Input Control Components

Electrical Parts List - Input Control (Resistors, Fuses, ICs, Transistors)

Electrical Parts List - Main Board Components

Electrical Parts List - Main Switch and Other Components

Electrical Parts List - Fuses and Transformers