SRS-A57
SERVICE MANUAL
Ver 1.1 2001.07
SPECIFICATIONS
US Model
Canadian Model
AEP Model
UK Model
Australian Model
E Model
9-927-655-12
2001G0200-1
© 2001.7
ACTIVE SPEAKER SYSTEM
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
SECTION 1
GENERAL
This section is extracted from
instruction manual.
– 2 –
2-1. PRINTED WIRING BOARDS
SECTION 2
DIAGRAMS
SRS-A57
Ver 1.1 2001.07
A
B
Last digit: -11
C
D
SW1
POWER
OFF
R
ON
1
RH BOARD
Last digit: -12
R24
C25
SW1
-1
-2
R21
C17
FU1
US MODEL
EXCEPT
US MODEL
JW6
2
D4
POWER
D4
R20
R5
Q2
C4
R2
R1
R3
3 4
RV1
VOLUME
R7
R16
C15
L1
C5
R8
JW4
D2
C12
C16
C6
R22
R23
C19
IC1
10
C20
5
C21
1
R9
C1
Q1
B
C
E
RED
C3
C18
C11
R12
R11
R13
WHT
JW1
C2
JW2
R6
B
C
E
R14
R4
BLK
D1
C7
C22
+ –
RED
R10
R15
C8
C13
C23
WHT
1-675-921-
RV1-1
C26
C27
RV1-2
R19 R18
C10
C9
R17
12
(12)
P1
(INPUT)
E
z
Semiconductor Location
Ref. No. Location
D1 B-3
D2 B-3
D4 A-2
DC IN 15V
Ref. No. Location
IC1 C-4
Q1 B-2
Q2 B-2
–
JK1
+
SP1
SPEAKER
(L-CH)
Note:
• X : parts extracted from the component side.
• b : Pattern on the side which is seen.
– 3 – – 4 –
11
(11)
JK2
R OUT