Sony STR-DB2000 Service Manual

74
STR-DA2000ES/DB2000
IC2800, 2801 DSD1751DBQR
IC2429 TC74VHC74FT (EL) IC2501-2503 TC74AC541FT (EL)
14
1 2 3 4 5 6 7
13 12 11 10 9 8
VCC
GND
CK
CLR
CK
CLR
Q
PR
Q
Q
PR
Q
D
D
8
15
16
10
14
13
12
11
9
6
7
4
2
3
1
VCC
G2 Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
GND
A8 A7
A6
A5
A4
A3
A2
A0
A1
20 19
18
17
5
IC2504 TC7W241FU-TE12R
8 7 6 5
1 2 3 4
VCC
G
T1
A2
A1
Y2
GND
G
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INH
INH
INPUT
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
VCC
OUT1
IN4
IN3
IN2
OUT3-1
OUT3-2
OUT3-3
GND
INH1
INH2
IN1
NC
OUT2-1
OUT2-2
OUT2-3
IC2735 NJM2145M-TE2
DSDL DBCK1 20
DSDR DSCK2 19
PBCK
PSCK
3
18
PDATA
MS
4
17
PLRCK
MC
5
16
DGND
MD
6
15
VDD
ZEROR/ZEROA
7
14
VCC ZEROL/NA8 13
VOUTL
VCOM
9
12VOUTR
AGND
10
11
MUX
DSD
FILTER
PCM
I/F
PCM
FILTER
(X8 DF)
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
MULTI-LEVEL
DAC
ANALOG
LPF
DSD
I/F
MUX
MODE
CONTROL
– D. AMP Board –
IC1400 TC74AC125FT (EL)
1
2
3
1A
1Y
1 OE
4
5
6
2A
2Y
2 OE
7
GND
10
9
8
3A
3Y
3 OE
13
12
11
4A
4Y
4 OE
14
VCC

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English