Diagrams; Circuit Boards Location; Printed Wiring Board - Tuner Section - Sony STR-W550 Service Manual

STR-W550
SECTION 4

DIAGRAMS

4-1.

CIRCUIT BOARDS LOCATION

PRI BOARD
DUMMY BOARD
SEC BOARD
PANEL BOARD
AVIN BOARD
AMP BOARD
JOG BOARD
MIC ECHO BOARD
— 8 —
4-2. PRINTED WIRING BOARD — TUNER SECTION —
(AEP, UK)
1 2
A
B
TCB BOARD (AEP, UK, EE, CIS MODEL)
ENCAPSULATED COMPONENT
(EXCEPT AEP, UK, EE, CIS MODEL)
C
MAIN BOARD
D
E
F
G
H
I
J
3 4 5 6
• Semiconductor
Location
Ref. No. Location
D21 G-2
D41 G-3
D42 H-5
D1751 I-4
IC21 G-2
IC41 E-4
IC1751 I-2
IC1752 I-4
Q1 F-2
Q2 F-2
Q3 E-3
Q4 E-2
Q5 E-3
Q9 D-2
Q11 C-4
Q12 B-4
Q13 B-3
Q14 B-3
Note:
• :parts extracted from the component side.
• :parts on the side which is seen.
— 9 —
(East European, CIS)
1 2 3 4
A
B
C
D
E
F
G
H
I
J
Note:
•
•
— 10 —
5 6
• Semiconductor
Location
Ref. No. Location
D21 G-2
D41 G-4
D42 H-5
D43 H-5
D1701 J-4
D1702 J-4
D1703 H-4
D1704 J-4
IC21 G-3
IC41 E-5
IC1701 I-3
IC1702 I-3
Q1 F-3
Q2 F-3
Q4 E-3
Q5 E-3
Q9 D-3
Q11 C-5
Q12 B-5
Q13 B-4
Q14 B-4
Q1701 I-3
Q1702 I-4
Q1703 J-4
:parts extracted from the component side.
:parts on the side which is seen.