Read Sony SRS-T77 Service Manual online
SRS-T77
6
6
SP1
(L-CH)
+
–
AMP BOARD
(CONDUCTOR SIDE)
1-680-334-
(11)
11
-1
-2
-3
-4
S1
POWER
OFF/
DIRECT
ON
t
SP2
(R-CH)
P1
(LINE INPUT)
+
–
C22
+
GRN
RED
NATURAL
RED
YEL
BRN
DRY BATTRY
SIZE “AA”
(IEC DESIGNATION R6)
4PCS. 6V
B
C
E
Q1
B
C
E
Q2
C15
+
C4
+
C14
+
C6
+
C13
+
C5
+
C7
+
C9
+
C8
+
C3
+
C16
+
C17
+
C12
+
C10
+
C11
+
D2
D1
D3
R13
R14
R18
R17
R16
R15
R11
C103
C1
R7
R9
R3
R5
R1
C24
C101
R19
C20
C18
R20
C25
C23
C21
C19
R2
C102
R4
C104
R12
R10
R8
R6
C2
C26
IC2
IC1
AMP BOARD
(COMPONENT SIDE)
(11)
11
1-680-334-
A
K
A
K
POWER
20
11
1
10
11
10
20
1
R21
R22
JACK BOARD
(COMPONENT SIDE)
(11)
11
1-680-335-
JACK BOARD
(CONDUCTOR SIDE)
(11)
11
1-680-335-
Q3
JK1
DC IN 9V
–
+
BLK
YEL
BRN
A
B
C
D
E
1
2
3
4
5
6
7
8
3-2.
PRINTED WIRING BOARDS
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
z
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Semiconductor
Location
Ref. No.
Location
D1
A-1
D2
B-1
D3
B-1
IC1
B-5
IC2
B-3
Q1
A-3
Q2
A-2
Q3
D-7
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