Block Diagram - Pre Out Section - Sony STR-DB2000 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-6. BLOCK DIAGRAM – PRE OUT Section –
DSDL
DSDR
S
(Page 20)
DSDC
DSDW
D01
BCK
LRCK
U
(Page 20)
64FS
MCK
D03
DAC-LAT
DAC-CLK
UCOM-DATAOUT
D2803
DAC-DATAOUT
T E
L 1 3 9 4 2 2 9 6 5 1 3
P
(Page 18)
DAC-RESET
DATA
AUCOM-DATA
CLK
AUCOM-CLK
VOL-LAT
PREVOL-LAT
PREOUT-RY
w w w
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PCM/DSD
D/A CONVERTER
IC2801
1 DSDL VOUTL 9
VOUTR 10
2 DSDR
4 PDATA
3 PBCK
5 PLRCK
20 DBCK
18 PSCK
19 DSCK
17 MS
16 MC
15 MD
VCC 8
D2602
VDD 7
13 ZEROL
14 ZEROR
PCM/DSD
D/A CONVERTER
IC2800
VOUTR 10
1 DSDL
2 DSDR
4 PDATA
3 PBCK
5 PLRCK
20 DBCK
18 PSCK
19 DSCK
17 MS
16 MC
VCC 8
15 MD
D2801
B+ SWITCH
13 ZEROL VDD 7
Q2804
14 ZEROR
RESET SWITCH
Q2802
x a o u 1 6 3
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8 9
TONE/ELECTRICAL VOLUME
IC652
M-IN M-OUT
9 6
LOW-PASS
T-OUT
FILTER
5
IC2901
T-IN
4
M-IN M-OUT
20 23
T-OUT
24
DATA
16 DATA
CLK T-IN
13 CK
25
VOL-LAT
17 STB
TONE/ELECTRICAL VOLUME
IC2862
LOW-PASS
M-IN M-OUT
FILTER 20 23
Q Q T-OUT
IC2861
3 7 6 3 1 24 5
DATA
16 DATA
T-IN
CLK
13 CK 25
VOL-LAT
17 STB
B+ SWITCH
A+5V
Q2803
D+3.3V
c o
.
21 21
STR-DA2000ES/DB2000
2 4 2
9 8
J609 (2/2)
LINE AMP
IC653 (1/2)
LINE AMP
IC653 (2/2)
RELAY DRIVE
RY651
Q651, 662
J2875
LINE AMP
IC2863
1 5 0 8 9 2 4 9 8
RELAY DRIVE
RY2851
Q2851, 2852
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
RELAY DRIVE
Q2605
m
9 9
(STR-DA2000ES)
L
PRE OUT
FRONT
R
SUB WOOFER
AUDIO OUT
2 9 9