Schematic Diagram - Digital Board (1/7); Schematic Diagram - Digital Board (2/7) - Sony STR-DH540 Service Manual

STR-DH540
5-9. SCHEMATIC DIAGRAM – DIGITAL Board (1/7) –
1 2 3
A
DIGITAL BOARD
B
DIGITAL BOARD
1
(7/7)
USB_SPDIF
(Page 30)
C
D
DIGITAL BOARD
2
(2/7)
E
1
L_IN
(Page 25)
R_IN
DIR_INT
DIGITAL BOARD
DIR_MISO
(2/7), (3/7)
DIR_MOSI
3
2 DIR_SPICLK
(Page 25),
DIR_CE
F (Page 26)
DIR_RST
G
H
I
J
DIGITAL BOARD
4
(3/7)
3
(Page 26)
K
STR-DH540
• See page 21 for Waveforms. • See page 46 for IC Block Diagrams.
4 5 6 7
(1/7)
IC B/D
3.3
C2177 C2170
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
0.01 0.1
2.5
48 VREF
47 AGND
C2129 0.1 5
46 AVDD
C2121 100 10V 2.5
45 ADINL
2.5
FB2100
44 ADINR
R2178 1k
43 DGND
C2127
3.3
R2177 1k 0.1 42 DVDD
IC2107
LC89075WA-H
R2127 10k 41 DSTATE
3.1
IC2107
40 INTB
R2112 10k
0
39 SO DIGITAL AUDIO
R2221 0 0 INTERFACE RECEIVER
38 SI
R2222 0 3.3
37 SCK
R2220 10k
3.3
36 CSB
C2179 0.1
3.3
35 XMODE
R2283 3.3
34 DVDD 5
1k
R2282 47k
33 DGND
C2167
0.1
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1.5 1.6 1.4 3.1 3.1 0
C2159
R2186
7p
1M
R2187 FB2116
X2102
220 2.5kohm
24.576MHz
C2160
7p
R2185
330
R2284
0
1.6 3.3
1 CKA VCC 14
1.6 C2106
IC2111
2 RDA CKB 13
0.1
TC74VHC393FT (ELK)
IC B/D
3 Q1A RDB
12
IC2111
4 Q2A Q1B 11
BINARY
5 Q3A Q2B 10
COUNTER
1.6
6 Q4A Q3B 9
1.6
7 GND Q4B 8
8 9 10 11
ARC_SPDIF
SP_SPDIF
C2126
FB2106
0.1
2.7kohm
C2123
100
10V
2.4 2.4 3.3 0 3.3 0 3.3
R2104
100
C2124
0.001
C2125
LPF 1
0.068
0
PGND 2
2
SP_MCK
R2151 47
MCKIN
3
1.5 R2153 330 SP_SCK
BCKIN 4
3 SP_WS
0 R2154 470
LRCKIN
5
0 SP_SD0
DATAIN 6
0 RB2101 SP_SD1
MPIN1 7
100 SP_SD2
0 HDMI_MUTE
MPIN2 8
0 SP_SD3
MPIN3 9
HDMI_MUTE
0
MPIN4
10
2.9
MPIN5 11
R2195 10k
0
MPIN6 12
3.1 R2287 0 R2147 220
MCKOUT 13
4
1.6 FB2105 R2142 680
BCKOUT 14
1.6 R2143 330
LRCKOUT
15
1.6 R2188 330
DATAOUT 16
1.2
R2111
1k
D2104
0 0 0 0 3.3 DA2J10100L
R2101 1M
C2169
0.1
C2107 470p DIR_SIGNAL R2108
100
DIR_XSTATE
RB2102
100
R2208
24 24
12 13 14
DIGITAL BOARD
5
4
(Page 29)
DIGITAL BOARD
6
5
(Page 25)
Q2100
0.1
DRC5114E0L
3
MUTE
DIGITAL BOARD
PROTECTION
(3/7), (5/7)
7
6 (Page 26),
NON_LPCM
(Page 28)
HDMI_MUTE
DIGITAL BOARD
(3/7), (4/7)
8
7
(Page 26),
MCLK_IN
(Page 27)
BCLK_IN
LRCLK_IN
DSP_ERROR
DSP_NONAU
DIGITAL BOARD
9
8
(Page 27)
L/R_IN
SL/SR_IN
C/SW_IN
SBL/SBR_IN
DSD_IN
9
DIGITAL BOARD
47
10
10
11
12
(Page 25)
13
15 16 17
(6/7)
(2/7)
(4/7)
(2/7)