Schematic Diagram - Digital Board (1/4); Schematic Diagram - Digital Board (2/4) - Sony STR-DH720 Service Manual

STR-DH720/DH720HP
Ver. 1.1
5-9. SCHEMATIC DIAGRAM – DIGITAL Board (1/4) –
1 2 3
DIGITAL BOARD (1/4)
A
CN2513
B
20P
JL2830 R2626 100
CEC 1
NC 2
JL2831 HDMI_RESET
RESET 3
JL2832 HDMI_MISO/SCL
MISO / SCL 4
JL2833 HDMI_MOSI/SDA
MOSI / SDA 5
NON_LPCM
JL2834
NON_LPCM 6
A
JL2835
7
MUTE
C
JL2836 HDMI_SPDIF
HDMI_SPDIF 8
JL2837
D-VIDEO SD0 9
RB2103
JL2838
SD1 10
BOARD
JL2839 100
SD2 11
(1/4)
JL2840
SD3 12
JL2841
R2618 470
CN3003
LRCK 13
FB2032
JL2842 R2617 330
BCK 14
(Page 33)
JL2843
GND 15
FB2031
D JL2844 47
R2615
MCK 16
JL2845
GND 17
JL2846 ARC_SPDIF
ARC_SPDIF 18
JL2847 DCDC+6V
DCDC+6V 19
JL2848 DCDC+4V
DCDC+4V 20
E
F
G
H
I
J
K
STR-DH720/DH720HP
• See page 46 for IC Block Diagrams.
4 5 6 7
C2910
CEC
10
MUTE
3.6 3.3 3.3 1.3 3.3 3.3 3.3 1.3
44 43 42 41 40 39 38 37 36 35
SD0
SD1
C2816 0.1
SD2
3.3
45 VDD_EXT
SD3
46 NC
LRCK
3.7
C2817 0.1
47 RESET_MAIN
BCK
1.3
48 VDD_INT
R2834 10k 3.3
49 UART_OUT
MCK UART_IN
0
50 UART_IN
GND R2835 10k
51 LED
52 NC
53 NC
NC
54
55 NC
C2818 0.1
56 NC
3.3
57 VDD_EXT
58 NC
59 NC
60 NC
C2819 0.1 61 NC
1.3
62 VDD_INT
63 NC
C2820 0.1 64 NC
1.3
65 VDD_INT
66 NC
C2821 0.1 NC
67
1.3
68 VDD_INT
69 NC
70 WDTRSTO
C2822 0.1 71 NC
3.3
72 VDD_EXT
SL/SR_OUT R2824 220 1.4
73 SL/SR_OUT
SL/SR_IN
R2825 22 3.3
74 SL/SR_IN
BCLK_IN R2826 22 1.8
BCLK_IN
75
76 OPTION_L/OPTION_R_OUT
C2823 0.1 77 FRONTHI_L/R_OUT
1.3
78 VDD_INT
79 NC
80 NC
81 NC
82 NC
C2824 NC
0.1 83
3.3
84 VDD_EXT
C2825 0.1
1.3
85 VDD_INT
L/R_OUT R2829 220 1.3 MID/SW2_OUT
86 L/R_OUT
SBL/SBR_OUT
87
SBL/SBR_OUT
R2831 220 0
88
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
1.3 3.3 1.8 1.3 2 3.2 1.3 1.8 1.8 1.8 1.3 3.3 1.3 1.3 3.3 1.3
• See page 61 to 64 for IC Pin Function Descriptions.
8 9 10
X2800
1
25MHz
2
C2841 R2854 C2842
7p
7p 0
R2856
1M
1.3 1.3 3.3 1.8 1.8 1.3 0 3.2 3.3 3.3
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7
IC2801
ADSST-AVR-3010
IC2801
DSP
1.3 1.2 1.1 3.3 1.3 1.3 3.3 1.3 0 3.3 1.3 3.3
R2910
10k
8
22 22
11 12 13 14
DSP_UART_SEL
0 1.3
6 5 4 3 2 1 GND
C2859 0.1
VDD_INT 176
R2157
0
SDCAS 175 R2875 100k 10k
TMS 174
R2876 1k DSP_RST
RESET 173
0
SDRAS 172 C2860
0.1
SDWE 171
C2905
DATA15 170 220 4V
VDD_INT 169
0 C2861 0.1
DATA13 168
DATA14 167
DATA12 166
DATA11 165
TCK 164
DATA10 163
DATA9 162
DATA8 161
VDD_EXT 160
C2862 0.1
0
SDCLK 159
TDI 158
DATA7 157 C2863 0.1
VDD_INT 156
0
R2053 4.7k
DATA6 155
R2853 4.7k
DATA5 154
VDD_EXT 153
C2856
0 0.1
DATA4 152
TDO 151
DATA3 150
DATA2 149
DATA1 148
DATA0 147
EMU 146
MLBSO 145
TRST 144
VDD_INT 143
DSP_MOSI
0
C2864 0.1
MLBSIG 142
DSP_SPICLK
VDD_EXT 141
R2897
0
MLBDO 140
C2857 0.1
MLBDAT 139
R2879
10k
FLAG3 138
DSP_SFLASH_HOLD
R2866 10k
MLBCLK 137
R2878
DSP_NONAU
R2872 22
22 3.3
FLAG2 136
0 R2873 22 DSP_ERROR
FLAG1 135
R2867 10k
0 DSP_INT
IRQ/GPIO 134 IC2802
R2868 2.2k
0 W25Q16BVSSIG
VDD_INT 133
IC2802
0 C2858 0.1
EEPROM
3.3 3.3
1.3
DSP_MISO
DSP_CS
9 10
5
DIGITAL BOARD (3/4)
(Page 24)
15 16 17
DIGITAL
BOARD
1
1
(2/4)
(Page 23)
DIGITAL
2 2
BOARD
3
(2/4), (3/4)
IC2032
TC74VHC157FT (EKJ)
(Page 23),
IC2032
(Page 24)
IC B/D
SIGNAL SELECTOR
0 3.3
4
1 SELECT VCC 16
3.3
2 1A ST 15
3.3
3 1B 4A 14
3.3
4 1Y 4B 13
DIGITAL
5 2A 4Y 12
BOARD
3
(2/4)
6 2B 3A 11
(Page 23)
7 2Y 3B 10
0
8 GND 3Y 9
5
6
DIGITAL
BOARD
4
7
(3/4)
10
C2866
FB2889
C2865 0.1 0uH (Page 24)
R2881 2.2k
10k
R2882 R2880
22 22
0 3.3 3.3
3.3