Sony STR-DB830 / STR-DB930 / STR-V929X Service Manual ▷ View online
STR-DB830/DB930/V929X
— 43 —
— 44 —
4-19.
PRINTED WIRING BOARD MAIN SECTION
• See page 11 for circuit board location.
(Page 31)
(Page 32)
(Page 35)
(Page 31)
(Page 21)
(Page 40)
(Page 32)
(Page 31)
Y
VOLUME
BOARD
(Page 40)
(Page 21)
(Page 36)
F-VIDEO
BOARD
BOARD
MD/
TAPE
TAPE
EXCEPT
US,CND,
AUS
MODELS
US,CND,
AUS
MODELS
1-673-365-
DB930/V929X MODEL
DB930/V929X MODEL
DB930/V929X MODEL
CC4-14,18,54-64,68:AEP MODEL
RY671
D671
Q671
R670
R669
R671
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
14
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D301
B-3
D490
H-7
D491
H-7
D494
H-8
D495
H-8
D496
H-8
D497
H-8
D501
B-10
D502
B-10
D503
B-10
D504
B-10
D505
C-4
D506
C-4
D545
C-6
D546
C-6
D547
C-4
D548
B-4
D549
C-4
D551
B-6
D552
B-5
D553
B-5
D554
B-5
D555
C-4
D598
B-8
D598
B-9
D599
B-4
D601
B-8
D602
B-8
D603
B-8
D604
B-7
D605
C-5
D606
D-5
D607
D-5
D608
D-8
D649
C-7
D681
E-8
D698
B-6
D802
H-10
D803
H-10
D804
H-10
D805
H-10
D806
H-11
D807
H-11
D808
H-11
D809
H-11
IC301
G-4
IC302
H-3
IC303
E-4
IC304
E-3
IC309
C-3
IC330
F-4
IC401
G-8
IC402
H-8
IC404
H-7
IC414
F-10
IC415
F-10
IC416
F-10
IC501
C-10
IC601
D-10
Q301
B-3
Q501
E-9
Q503
E-9
Q504
B-10
Q505
B-10
Q506
B-10
Q507
B-9
Ref. No.
Location
Q508
B-9
Q509
C-4
Q510
C-5
Q511
C-4
Q546
C-6
Q547
C-4
Q548
C-3
Q549
C-4
Q554
B-5
Q555
B-5
Q556
C-6
Q557
B-5
Q558
C-4
Q559
B-4
Q560
C-4
Q561
C-4
Q596
C-6
Q598
B-9
Q599
B-4
Q601
D-8
Q604
B-7
Q605
B-8
Q606
B-8
Q607
B-7
Q608
B-7
Q609
D-5
Q610
D-5
Q611
D-5
Q613
E-8
Q645
C-7
Q681
E-8
Q698
B-6
Q745
F-7
STR-DB830/DB930/V929X
— 45 —
— 46 —
4-20.
SCHEMATIC DIAGRAM MAIN SECTION(1/2)
TO
DIGITAL
BOARD
(3/3)
(PAGE 17)
R401
1k
STR-DB830/DB930/V929X
—47 —
— 48 —
4-21.
SCHEMATIC DIAGRAM MAIN SECTION(2/2)
• See page 43 for printed wirig board. • See page 59 for IC Block Diagrams.
510
510
Q609-611
DETECTOR
DETECTOR
DETECTOR
549
DETECTOR
510
BIAS
BIAS
BIAS
BIAS
The components identified by
mark
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Les composants identifiés par
une marque
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
— 49 —
4-22.
IC PIN FUNCTION DESCRIPTION
IC1401
CXD2712R AUDIO DSP(DIGITAL BOARD)
Pin No.
1
2 – 5
6, 7
8
9
10
11
12
13
14
15
16 – 20
21
22
23 – 25
26
27 – 30
31
32 – 40
41
42
43 – 49
50
51
52
53 – 60
61
62 – 69
70
71
72
73
74
75
76 – 80
81
82
83 –89
90
I/O
—
O
I
NC
I
I
—
—
O
I
I
I/O
—
—
I/O
I
O
—
I/O
—
—
I/O
I
—
—
I/O
—
I/O
O
—
—
O
O
O
I/O
—
—
I/O
O
Description
Ground
Serial data output
Conditional jump input terminal (7pin Connected to ground)
No connection
HCIF data write
HCIF data read
Ground
+3.3V
HCIF ready signal Open drain
HCIF chip select
HCIF address input
HCIF data input/output
Ground
+3.3V
HCIF data input/output
Reset input “L”: active
Test data output
Ground
External RAM data input/output
Ground
+3.3V
External RAM data input/output
Test data input “L” = normal “H” = test (Connected to ground)
Ground
+3.3V
External RAM data input/output
Ground
External RAM data input/output
External RAM output enable
Ground
+3.3V
External RAM column address strobe (Not used)
External RAM write enable (Not used)
External RAM raw address strobe
External RAM address output/test data input
Ground
+3.3V
External RAM address output/test data input
External RAM address output
Pin Name
VSS3
SOA – SOD
ECJ0, ECJ1
—
XHDWR
XHDRD
V
SS
4
V
DD
2
HRDY
XHDCS
HA0
HD0 – HD4
V
SS
5
V
DD
3
HD5 – HD7
XRST
FGP0 – FGP3
V
SS
6
ED0 – ED8
V
SS
7
V
DD
4
ED9 – ED15
TSTD
V
SS
8
V
DD
5
ED16 – ED23
V
SS
9
ED24 – ED31
XOE
V
SS
10
V
DD
6
CAS
XWE
RAS
EA0 – EA4
V
SS
11
V
DD
7
EA5 – EA11
EA12
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