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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.
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