Sony STR-W777 Service Manual ▷ View online
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STR-W777
5-5. Printed Wiring Board – Tuner Section – (East European, CIS model)
• Refer to page 12 for IC Block Diagrams.
(Page 30)
16
Ref. No.
Location
D21
D-1
D41
D-2
D42
E-3
D43
E-3
D1701
F-2
D1702
F-2
D1703
E-2
D1704
F-2
IC21
D-1
IC41
C-3
IC1701
F-1
IC1702
F-3
Q1
D-1
Q2
D-2
Q3
C-2
Q4
C-2
Q5
C-2
Q9
B-1
Q11
B-3
Q12
A-3
Q13
A-2
Q14
A-2
Q1701
E-2
Q1702
F-2
Q1703
F-2
• Semiconductor
Location
STR-W777
5-6. SCHEMATIC DIAGRAM – TUNER SECTION – (East European, CIS model)
• Refer to page 14 for Waveforms.
• Refer to page 56 for IC Block Diagrams.
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— 28 —
(Page 32)
16
STR-W777
5-7. PRINTED WIRING BOARD – MAIN SECTION –
• Refer to page 12 for Circuit Boards Location.
— 29 —
— 30 —
Ref. No.
Location
D101
B-11
D102
B-11
D131
E-9
D401
D-5
D402
D-5
D403
C-9
D751
F-11
D752
F-12
D761
E-12
D781
G-10
D801
E-4
D802
F-5
D803
E-4
D804
C-2
D805
F-4
D806
F-4
D807
F-4
D808
F-4
D810
E-4
D811
E-4
D812
C-2
D813
B-2
D851
G-8
D852
G-8
D853
G-8
IC111
C-10
IC112
E-10
IC113
E-9
IC401
E-7
IC402
D-6
IC801
B-2
IC802
C-3
IC803
B-2
IC804
D-4
IC851
G-9
Q121
B-2
Q132
D-10
Q182
E-11
Q183
E-8
Q401
D-7
Q731
G-11
Q732
G-10
Q801
C-2
Q851
G-9
Q852
H-8
Q853
H-8
• Semiconductor
Location
(Page 25,26)
(Page 40)
(Page 52)
(Page 36)
(Page 36)
(Page 39)
(Page 34)
(Page 52)
(Page 48)
(Page 47)
(Page 54)
(Page 43)
STR-W777
5-8. SCHEMATIC DIAGRAM – MAIN (1/2) SECTION –
• Refer to page 58 for IC Block Diagrams.
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— 32 —
(Page 33)
(Page 33)
(Page 34)
(Page 34)
27
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