Read Sony SRS-A57 / SRS-PC57 (serv.man2) Service Manual online
SRS-A57
SECTION 2
DIAGRAMS
2-1. PRINTED WIRING BOARDS
– 3 –
– 4 –
Note:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
b
: Pattern on the side which is seen.
D1
B-3
D2
B-3
D4
A-2
Ref. No.
Location
z
Semiconductor Location
Ref. No.
Location
IC1
C-4
Q1
B-2
Q2
B-2
2
3
4
A
1
B
C
D
E
12
(12)
1-675-921-
11
(11)
SW1
-1
-2
SW1
POWER
OFF
R
ON
D4
POWER
D4
R16
R23
R14
R24
R4
R3
R20
R5
R6
R9
R7
R8
R10
R15
R22
R12
R11
R13
R2
R1
R21
JW4
C1
C2
C7
C4
C3
C8
C5
C6
D1
D2
B
C
E
Q2
B
C
E
Q1
C25
C13
C12
C15
C16
C19
C20
C21
C18
C17
C26
C27
R19
R18
R17
C10
C9
C22
C23
10
1
5
IC1
RV1
VOLUME
RV1-2
RV1-1
JW1
JW6
JW2
C11
FU1
US MODEL
EXCEPT
US MODEL
US MODEL
DC IN 15V
JK1
L1
JK2
R OUT
SP1
SPEAKER
(L-CH)
–
+
+ –
RED
WHT
RED
WHT
BLK
P1
(INPUT)
RH BOARD
Last digit: -12
Last digit: -11
Ver 1.1 2001.07
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