Diagrams; Printed Wiring Boards - Sony SRS-T55 Service Manual

SECTION 3

DIAGRAMS

3-1. PRINTED WIRING BOARDS

2
1
DC JACK BOARD (SIDE A)
A
JK1
DC IN 6V
B
C
DC JACK BOARD (SIDE B)
D
E
F
G
3 4
AMP BOARD (SIDE A)
12
1-679-480-
(12)
AMP BOARD (SIDE B)
R
L
GND GND
G
V+ V+
12
1-679-480-
(12)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
4PCS, 6V
5 6
+
-
C16
C3
C23
C22
Q1
R14
BCE
C15
C11
C4
R10 C17
Q2
R12
+
P1
-
(INPUT)
D1
R8
C2
R2 R4
C104
-1 -3
C102
C101
S1
C24
POWER
ON
POWER
r
OFF/DIRECT
R19
-2 -4
5 5
7 8 9
SP1
SPEAKER(L)
8Ω
C9
C5
C13
C12 C8
C14
C6
C10
1-679-473-
SP2
SPEAKER(R)
8Ω
5
10
IC2
D3
11 15
D2
5
10
C26
IC1
11 15
1-679-473-
Note:
• X : parts extracted from the component side.
• : Through hole.
z
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
SRS-T55
Semiconductor
z
Location
Ref. No. Location
D1 D-7
D2 E-7
D3 E-8
IC1 F-9
IC2 D-9
C7
Q1 B-6
Q2 C-5
12
(12)
1
20
1
20
12
(12)