Sony STR-DH720 Service Manual page 96

STR-DH720/DH720HP
2-5. SCHEMATIC DIAGRAM – DIGITAL Board (1/4) –
1 2 3
DIGITAL BOARD (1/4)
A
B CN2513
20P
JL2830 R2626 100
CEC 1
NC 2
JL2831 HDMI_RESET
RESET 3
HDMI_MISO/SCL
JL2832
MISO / SCL 4
JL2833 HDMI_MOSI/SDA
5
MOSI / SDA
JL2834 NON_LPCM
NON_LPCM 6
A
JL2835
MUTE 7
C
JL2836 HDMI_SPDIF
HDMI_SPDIF 8
JL2837
D-VIDEO
SD0 9
RB2103
JL2838
10
SD1
BOARD
JL2839 100
SD2 11
(1/4)
JL2840
SD3 12
JL2841 R2618 470
CN3003
LRCK 13
FB2032
JL2842
R2617 330
BCK 14
(Page 14)
JL2843
GND 15
D FB2031
JL2844 R2615 47
MCK 16
JL2845
GND 17
JL2846 ARC_SPDIF
18
ARC_SPDIF
JL2847 DCDC+6V
DCDC+6V 19
DCDC+4V
JL2848
DCDC+4V 20
E
F
G
H
I
J
K
STR-DH720/DH720HP
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
UART_IN
MCK 0
50 UART_IN
GND R2835 10k
51 LED
52 NC
53 NC
54 NC
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
VDD_INT
65
66 NC
C2821 0.1 67 NC
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
SL/SR_OUT
73
SL/SR_IN
R2825 22 3.3
74 SL/SR_IN
BCLK_IN
R2826 22 1.8
75 BCLK_IN
76 OPTION_L/OPTION_R_OUT
C2823 0.1 77 FRONTHI_L/R_OUT
1.3
78 VDD_INT
79 NC
80 NC
NC
81
82 NC
C2824 0.1 83 NC
3.3
84 VDD_EXT
C2825 0.1
1.3
85 VDD_INT
L/R_OUT R2829 220 1.3 MID/SW2_OUT
L/R_OUT
86
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
8 9 10
X2800
1 25MHz
2
C2842
C2841 R2854
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
8 8
11 12 13 14
DSP_UART_SEL
0 1.3
6 5 4 3 2 1 GND
0.1
C2859
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
0.1
DATA7 157 C2863
VDD_INT 156
0
R2053 4.7k
DATA6 155
R2853 4.7k
DATA5 154
VDD_EXT 153
C2856 0.1
0
DATA4 152
TDO 151
DATA3 150
DATA2 149
DATA1 148
DATA0 147
EMU 146
MLBSO 145
TRST 144
VDD_INT 143
DSP_MOSI
0 0.1
C2864
MLBSIG 142
DSP_SPICLK
VDD_EXT 141
R2897
0
MLBDO 140
0.1
C2857
MLBDAT 139
R2879
10k
FLAG3 138
DSP_SFLASH_HOLD
10k
R2866
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
C2858 0.1
0
EEPROM
3.3 3.3
1.3
DSP_MISO
DSP_CS
9 10
5
DIGITAL BOARD (3/4)
(Page 10)
15 16 17
DIGITAL
BOARD
1
1
(2/4)
(Page 9)
DIGITAL
2
2
BOARD
3
(2/4), (3/4)
(Page 9),
IC2032
TC74VHC157FT (EKJ)
(Page 10)
IC2032
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
2B 3A (2/4)
6 11
(Page 9)
7 2Y 3B 10
0
8 9
GND 3Y
5
6
DIGITAL
BOARD
4
7
(3/4)
C2866 10
FB2889
C2865
0.1 0uH (Page 10)
R2881 2.2k
10k
R2882 R2880
22
22
0 3.3 3.3
3.3