Sony STR-DB840 / STR-DB940 Service Manual ▷ View online
29
29
STR-DB840/DB940
4-19. SCHEMATIC DIAGRAM – DISPLAY Board –
•
See page 42 for Waveforms.
•
See page 42 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
(Page 35)
(Page 23)
(Page 35)
(Page 35)
(Page 35)
(Page 15)
(Page 15)
30
30
STR-DB840/DB940
SP BOARD
CN601
SP BOARD
CN701
BIAS (RS) BOARD
CN751
BIAS (LS) BOARD
CN701
(DB940)
(EXCEPT US, CND)
(DB940)
(DB940)
(DB840)
R349
R399
(DB940)
RY671
4
D671
R671
Q671
R670
R669
CNP803
CNP302
(DB940)
AU SW BOARD
CNP13
AU SW BOARD
CNP11
VIDEO 3 BOARD
CNP307
H. P BOARD
CNP751
DC (2) BOARD
CNP806
DC (2) BOARD
CNP807
DIGITAL BOARD
CNS5
DC (1) BOARD
CNP802
VOL BOARD
CNS111
SP BOARD
CN501
BIAS (C) BOARD
CN601
BIAS (L) BOARD
CN501
BIAS (R) BOARD
CN551
(DB940)
4-20. PRINTED WIRING BOARD – MAIN Board –
•
See page 14 for Circuit Boards Location.
IC408
H-10
IC409
H-11
IC410
H-9
IC414
D-10
IC415
D-11
IC416
C-7
IC501
C-9
IC601
C-11
IC651
E-11
IC701
C-6
Q301
A-1
Q501
F-10
Q503
F-10
Q506
A-11
Q507
A-10
Q508
B-10
Q509
G-11
Q510
G-11
Q511
G-10
Q546
D-7
Q547
G-9
Q548
H-8
Q549
H-8
Q556
A-7
Q557
A-7
Q558
B-6
Q559
G-9
Q560
G-10
Q561
G-9
Q596
D-7
Q598
B-10
Q599
B-6
Q601
E-5
Q606
A-9
Q607
A-8
Q608
B-8
Q609
G-9
Q610
G-9
Q611
G-9
Q613
H-7
Q645
C-3
Q671
D-5
Q681
F-5
Q698
B-8
Q706
A-6
Q707
A-5
Q708
B-5
Q709
G-10
Q710
G-10
Q745
C-3
Q756
A-4
Q757
A-3
Q758
B-2
Q798
B-4
Q799
B-3
Ref. No.
Location
Ref. No.
Location
D301
A-1
D501
B-11
D502
B-11
D503
B-11
D504
B-11
D505
G-10
D506
G-11
D545
D-7
D546
D-7
D547
H-8
D548
H-9
D549
H-9
D551
B-8
D552
B-8
D553
B-7
D554
B-7
D555
G-9
D556
G-9
D598
B-10
D599
B-6
D601
B-9
D602
B-9
D603
B-9
D604
B-9
D605
G-8
D606
G-9
D607
G-9
D608
E-5
D649
C-4
D671
D-5
D681
E-5
D698
B-8
D701
B-6
D702
B-6
D703
B-5
D704
B-5
D705
G-10
D706
G-10
D749
C-4
D751
B-4
D752
B-4
D753
B-3
D754
B-3
D798
B-4
D799
B-2
IC301
H-3
IC302
I-2
IC303
E-3
IC304
F-2
IC309
C-2
IC330
G-3
IC401
I-6
IC402
I-8
IC404
I-5
IC405
I-7
• Semiconductor Location
(Page 40)
(Page 40)(Page 36)
(Page 36)
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(Page 19)
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(Page 34)
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(Page 24)
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31
31
STR-DB840/DB940
4-21. SCHEMATIC DIAGRAM – MAIN Board (1/3) –
•
See page 42 for IC Block Diagrams.
(Page 35)
(Page 25)
(Page 32)
(Page 33)
32
32
STR-DB840/DB940
4-22. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
•
See page 42 for IC Block Diagrams.
(Page 35)
(Page 25)
(Page 15)
(Page 31)
(Page 33)
(Page 33)
(Page 33)
(Page 33)
(Page 33)
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