Sony STR-DB2000 Service Manual page 74

STR-DA2000ES/DB2000
QQ
3 7 63 1515 0
IC2429 TC74VHC74FT (EL)
14 13 12 11 10 9 8
VCC
PR
Q
D
CK Q
CLR
PR
D Q
Q
CK
CLR
GND
1 2 3 4 5 6 7
IC2504 TC7W241FU-TE12R
8 7 6 5
1 2 3 4
TE
L 13942296513
IC2800, 2801 DSD1751DBQR
DSDL 1
DSD
I/F
DSD
DSDR 2
FILTER
PBCK 3
PCM
PCM
PDATA 4
FILTER
I/F
(X8 DF)
PLRCK 5
DGND 6
VDD 7
VCC 8
MULTI-LEVEL
VOUTL 9
DAC
ANALOG
LPF
VOUTR 10
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74
http://www.xiaoyu163.com
20 DBCK
19 DSCK
MUX
18 PSCK
MUX
17 MS
MODE
16 MC
CONTROL
MULTI-LEVEL
DELTA-SIGMA
15 MD
MODULATOR
14 ZEROR/ZEROA
13 ZEROL/NA
12 VCOM
11 AGND
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8
IC2501-2503 TC74AC541FT (EL)
20 19 18
17
1 2 3
IC2735 NJM2145M-TE2
VCC 1
OUT1 2
INH
IN4 3
INPUT
CIRCUIT
IN3 4
IN2 5
OUT3-1 6
Q Q
OUT3-2 7
3 6 7 1 3
OUT3-3 8
– D. AMP Board –
IC1400 TC74AC125FT (EL)
1
1 OE
2
1A
3
1Y
4
2 OE
2A 5
6
2Y
7
GND
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.
2 9 9 4 2 8
15 14 13 12 11
16
4 5 6 7 8 9
16 GND
15 INH1
14 INH2
13 IN1
INH
12 NC
11 OUT2-1
OUTPUT
CIRCUIT
10 OUT2-2
OUTPUT
CIRCUIT
1 5 0 5 8 2 9 9 4
9 OUT2-3
OUTPUT
CIRCUIT
14 VCC
13
4 OE
12 4A
11
4Y
10 3 OE
9 3A
m
8
3Y
co
9 9
10
2 8 9 9