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STR-DH720/DH720HP
STR-DH720/DH720HP
23
23
5-10. SCHEMATIC DIAGRAM – DIGITAL Board (2/4) –
• See page 42 for Waveforms. • See page 59 and 60 for IC Pin Function Descriptions.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL BOARD (2/4)
15
1
11
12
6
5
4
2
3
DIGITAL BOARD
(1/4), (3/4)
(Page 22), (Page 24)
2
13 14
3.3
6
0
0
0
3.3
0
0
3.3
3.3
0
0
3.3
1.8
1.8
3.3
0
0
0
3.3
3.3
3.3
0.8
0 3.3 3.3 3.3 3.3
0
0 3.3
0
0
0 3.3
0 3.3
0
0
0 1.8
0 3.3 3.3 3.3 3.3 3.3 3.3
0
3.3
0
3.3
3.3
3.3
0
3.3
0
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
0
3.3
0
0.9
0.9
0.6
0
1.5
0
0
1
1
0
0
0
1
0
0
3.3
3.3
2
3.3
3.3
3.3
3.3
0
3.3
0
3.3
1.6
2.7
3.3
2.7
3.3
3.3
3.3
0
3.3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
2
3
4
5
6
7
8
9
10
11
12
13
14
VSEL_2
VSEL_1
V_MUTE_1
COMP_SW2
POWER_DET
SIRC
DIR_RST
DCDC+6V
USB_SPDIF
VSEL_2
VSEL_1
V_MUTE_1
SO
V2_AUDIO_R
-7V
+7V
DA
CK
BRIG_R
Y
MD2
FL_CLK
FL_DATA
FL_CLK
FL_LAT
INPUT
AD_KEY1
AD_KEY2
VOLUME
FL_GND
DCDC+4V
SIRC
HDMI_RESET
CEC_OUT
VIDEO2_AGND
TONE
FLASH_CLK
SI
DIR_SIGNAL
DIR_INT
MODEL
V2_AUDIO_L
DCAC_IN
FUSE_DET
COMP_DET
FL/FR_RY
C/SL/SR_RY
STBY_SUPPLY
+3.3V_STBY
COMP_SW2
MD0
DIR_CE
DCAC_MUTE
IISD
COMP_DET
STOP
VERSION
RESET
DSP_SFLASH_HOLD
SO
HDMI_MISO/SCL
HDMI_MOSI/SDA
CEC_IN
CEC_OUT
CEC
CEC_IN
POWER_DET
AD_KEY1
AD_KEY2
TONE
VOLUME
INPUT
DCAC_MUTE
LIMITER
TUNER_RDS_DA
TA
TUNER_CE
TUNER_MISO
SBL/SBR_R
Y
E2P_DA
TA
E2P_CLK
VCC_3.3V
NO_USE
SW_RY
HP_R
Y
HP_DET
EVOL_DATA
EVOL_CLK
DAC_MUTE
DAC_LAT
COM_DATA
PROTECTOR
COM_CLK
POWER_RY
STOP
STBY_SUPPLY
DIR_MPO0
DIR_XST
ATE
DIR_MISO
DIR_MISO
DSP_ERROR
3.3V
DSP_SPICLK
DSP_MOSI
DSP_MISO
DSP_INT
DSP_RST
DSP_NONAU
DSP_CS
DSP_UAR
T_SEL
VERSION
MODEL
SI
POWER_RY
FL_DATA
FL_LAT
RECTIFIER_TEMP
TEMP_SENSOR_2
TEMP_SENSOR_1
DSP_SEL
+3.3V_STBY
C2417
0.1
X2101
4MHz
C2023
10
RB2102
100
Q2705
CEC DATA SWITCH
RT1N141C-TP-1
Q2703
CEC DATA SWITCH
2SC3052EF-T1-LEF
Q2704
CEC DATA SWITCH
2SC3052EF-T1-LEF
Q2702
CEC DATA SWITCH
ISA1235AC1-T112-1EF
C21
12
0.1
FB2311
0uH
FB2101
0uH
C2021
0.47
IC2107
BA33BC0FP-E2
CL2092
CL2087
CL2097
CL2083
CL2093
CL2088
CL2091
CL2085
CL2098
CL2080
CL2094
CL2086
CL2095
CL2053
CL2047
CL2031
CL2027
CL2024
CL2059
CL2040
CL2049
CL2041
CL2021
CL2030
CL2046
CL2051
CL2058
CL2038
CL2025
CL2056
CL2210
CL2211
CL2212
C2459
0.1
R2007
1M
RB2109
100
CL2052
R2324
10k
R2131
10k
R2228
10k
R2744
10k
R2132
10k
R2747
10k
R2054
100
R2250
10k
R2130
2.2k
R2160
OUT
VDD
VSS
NC
CD
RB2104
100
100
RB2106
RB2107
100
R2321
C2206
1000p
C2208
0.1
CN2116
25P
FL_CLK
FL_DIN
FL_LAT
INPUT_JOG
AD1
AD2
SIRCS
PW_SW
VOL_JOG
+3.9V_DCDC
FL_GND
FL_GND
+3.3V(STBY)
DGND
TONE_JOG
D_GND
MIC_MUTE
DCAC_IN
V2_AUDIO_L
A_GND
V2_AUDIO_R
V_GND
V2_VIDEO
+7V
-7V
CL2061
CL2055
CL2050
R2906
R2197
100
R2114
R2607
100
R2119
R2609
100
R2620
100
R2621
R2612
100
R2123
R2616
100
R2622
100
R2124
R2619
100
100
100
100
220
R2746
470
R2285
1k
R2741
1.5k
R2100
22k
R2742
22k
R2743
10k
R2015
C2130
0.1
C2101
0.1
C2127
0.1
C2418
0.1
C2413
0.1
C2416
0.1
C2469
0.1
C2462
0.1
C2721
0.1
C2722
0.1
C2402
0.1
27k
R2745
10k
R2158
C2119
0.1
R2613
JL2849
C2022
470 16V
C2131
47 16V
C2883
4.7
C2884
4.7
D2019
DA2J10100L
2.2k
R2608
2
3
4
5
6
7
8
JL2850
JL2851
JL2852
JL2854
JL2855
JL2856
JL2858
CN2603
8P
NC
1
POWER_RY
STOP
USB_UP_MU_MD2
USB_UP_MU_RST
MU_SI/RX
MU_SO/TX
USB_SPDIF
D2714
1SR154-400TE-25
10k
R2915
100
R2917
100
R2918
100
R2919
100
R2920
CN2103
14P
NC
1 COMP_SW2
V_MUTE_1
VSEL_1
VSEL_2
VIDEO2
VIDEO2_VGND
COMP_DET
STOP
POWER_RY
STBY_SUPPLY
+3.3V STBY
VERSION
MODEL
100
R2923
C2466
1000p
C2125
1000p
0
R2186
4.7k
R2928
RB21
19
100
100
R2929
C2909
0.1
10k
R2931
R2112
2.2k
2.2k
2.2k
100
100
R2614
R2220
R2921
100
100
RB2105
100
100
R2930
R2052
10k
10k
10k
IC2105
MB90F058PF-G-JNE1
1
SBL-SBR_R
Y
2
BRIDGEABLE_R
Y
3
HP_R
Y
4
HP_DET
5
NO_USE
6
E2P_DA
TA
7
E2P_CLK
8
TUNER_SD
9
TUNER_MOSI
10
TUNER_CLK
11
TUNER_RDS_CLK
12
NO_USE
13
NO_USE
14
NO_USE
15
VCC_3.3V
16
VSS_GND
17
C
18 19 20
MU_BUSY
21
TUNER_LA
T
22
TUNER_RDSDA
TA
23
TUNER_MISO
24
VERSION
25
MODEL
26
TEMP_SENSOR_1
27
TEMP_SENSOR_2
28
RECTIFIER_TEMP
29
FL_LA
T
30
FL_DA
TA
31
FL_CLK
32
AVCC_3.3V
33
AVRH
34
LIMITER
35
AVSS
36
AD_KEY_1
37
AD_KEY_2
38
TONE_JOG
39
INPUT_JOG
40
VOL_JOG
41
DCAC_MUTE
42
HDMI_RST/VMCOM_RST
43
HDMI_CECOUT
44
VSS_GND
45
POWER_KEY
46
SIRCS
47
HDMI_CECIN
48
HDMI_MISO/ NO USE
49
HDMI_MOSI/ SDA
50
NO USE/ SCL
51
MD2
52
MD1
53
MD0
54
RST
55
DSP_MISO
56
DSP_MOSI
57
DSP_SPICLK
58
HDMI_CNVSS
59
SI
60
SO
61
FLASH_CLK
62
UAR
T_SEL
63
DSP_SPICS
64
DSP_SFLASH_HOLD
65
DVCC
66
DVSS
67
DSP_RST
68
DSP_INT
69
DSP_SEL
70
DSP_NPCM
71
DSP_ERROR
72
DIR_MPO0
73
DIR_MPO1
74
DIR_SIGNAL
75
DIR_RST
76
DIR_CE
77
PROG/ DIR_XST
ATE
78
PROG/ DIR_MISO
79
FUSE_DET
80
ST
OP
81 COMP_DET
82 V_COMP_SW2
83 V_MUTE
84 V_SEL_SW1
85 V_SEL_SW2
86 POWER_RY
87 PROTECTOR
88 COM_CLK
89 COM_DATA
90 VCC_3.3V
91 VSS_GND
92 X1(X_OUT)
93 X0(X_IN)
94 DAC_LATCH
95 DAC MUTE
96 EVOL_CLK
97 EVOL_DATA
98
C/SL-SR_RY
99
FRONT_SPK_A_RY
100
PREOUT_SW_RY
10k
R2953
C2912
0.1
C2913
0.1
C2917
0.1
C2918
0.1
10k
R2939
D2701
RB751V-40TE-17
1k
R2951
1k
R2952
Q2006
2SC3052EF-T1-LEF
470
R2914
470
R2251
CL2213
100
R2932
1M
R21
16
1M
R2322
MD0
MD2
SI
SO
FLASH_CLK
RESET
GND
3.3V
DIR_MISO
CN2602
9P
GND
3.3V
RESET
CLK
SO
SI
PROG
MD2
MD0
CL2007
CL2005
CL2004
CL2003
CL2001
CL2006
CL2002
CL2010
CL2009
1
2
3
4
5
6
7
8
9
VCC
GND
OUT
16
17
18
19
20
21
22
23
24
25
5
4
3
2
1
10k
SYSTEM CONTROL
IC2105
DIGITAL
BOARD
(1/4)
(Page 22)
1
DIGITAL BOARD
(1/4)
(Page 22)
3
D-VIDEO
BOARD
(1/4)
CN3004
(Page 33)
B
FLASH
PROGRAMMING
DIGITAL BOARD (3/4)
(Page 24)
6
DIGITAL BOARD (4/4)
(Page 25)
7
DIGITAL BOARD
(3/4)
(Page 24)
8
DISPLAY
BOARD
CNS151
(Page 40)
C
STANDBY-A
VIDEO PC
BOARD
CN271
(Page 38)
D
DATA SWITCH
IC2020
S-80929CNMC-G8ZT2G
RESET SIGNAL GENERATOR
IC2020
+3.3V REG
IC2107
I2C/RDSI
1