DOWNLOAD Sony STR-DH520 Service Manual ↓ Size: 4.8 MB | Pages: 73 in PDF or view online for FREE

Model
STR-DH520
Pages
73
Size
4.8 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dh520.pdf
Date
PREV: Sony STR-DH820 Service Manual

Sony STR-DH520 Service Manual ▷ View online

STR-DH520
STR-DH520
25
25
4-13. 
PRINTED WIRING BOARD – DIGITAL Board (Side B) –    
• See page 11 for Circuit Boards Location.    • 
: Uses unleaded solder.
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
B
E
B
E
B
E
B
E
B
E
B
E
R2285
R2878
R2879
C2112
D2104
Q2702
Q2703
Q2704
R2104
Q2705
Q2706
C2905
C2906
C2908
R21
11
C2910
C2914
C2721
C2722
D2701
FB2033
R2130
R2131
R2901
D2713
D2714
R2906
R2910
R2914
R2915
R2157
R2931
R2932
R2933
R2741
R2742
R2743
R2744
R2745
R2939
R2746
R2747
C2198
R2940
R2943
R2946
R2947
R2948
CL2001
CL2002
CL2003
CL2004
CL2005
CL2006
CL2007
R2951
CL2009
R2952
R2953
CL2200
R2955
CL2201
R2956
CL2203
CL2010
CL2204
CL2011
CL2012
CL2013
CL2014
CL2015
CL2016
CL2017
CL2018
CL2019
CL2210
CL221
1
CL2212
CL2213
CL2020
CL2021
CL2022
CL2024
CL2025
CL2027
CL2028
CL2029
CL2030
CL2031
CL2032
CL2038
CL2040
CL2041
JL2021
JL2022
CL2045
CL2046
CL2047
CL2048
CL2049
CL2050
CL2051
CL2052
CL2053
CL2055
CL2056
C2003
CL2058
CL2059
Q2006
CL2061
CL2062
CL2063
CL2064
JL2814
CL2065
JL2815
CL2066
JL2816
CL2067
JL2817
CL2068
JL2818
CL2069
JL2819
C2015
CL2070
JL2820
CL2071
JL2821
CL2072
JL2822
CL2073
JL2823
CL2074
JL2824
CL2075
JL2825
C2021
JL2826
JL2827
JL2828
JL2829
D2003
D2004
CL2080
JL2830
JL2831
R2005
CL2082
JL2832
C2416
CL2083
JL2833
C2417
JL2834
CL2085
JL2835
CL2086
JL2836
CL2087
JL2837
C2033
CL2088
JL2838
JL2839
JL2840
CL2091
JL2841
D2019
CL2092
JL2842
CL2093
JL2843
CL2094
JL2844
CL2095
JL2845
JL2846
CL2097
JL2847
CL2098
JL2848
FB2311
R221
1
C2817
C2819
JL2850
JL2851
JL2852
JL2854
C2820
JL2855
C2821
JL2856
C2822
JL2858
C2824
R2415
R2416
C2827
C2828
C2829
R2228
JL2863
R2807
C2830
C2831
JL2866
C2832
JL2868
JL2869
C2835
C2836
C2837
JL2870
JL2871
JL2872
JL2873
JL2874
C2840
JL2875
C2265
JL2876
C2266
JL2877
C2268
C2844
JL2878
C2269
C2845
R2050
C2462
R2053
C2850
C2851
C2852
C2854
C2855
R2251
C2856
C2857
C2859
C2862
C2093
R2841
R2844
C2870
C2871
C2872
R2850
R2853
C2884
R2283
IC2032
IC2034
IC2107
3
1
2
IC2005
DIGITAL BOARD
(SIDE B)
1-883-126-
11
(11)
STR-DH520
STR-DH520
26
26
4-14.  SCHEMATIC DIAGRAM – DIGITAL Board (1/4) –    
•  See page 43 for IC Block Diagrams.    • See page 49 to 52 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 (1/4)
8 
9
11
10
7
6
4
1
2
3
5
3.6
3.3
3.7
1.3
3.3
0
3.3
1.3
1.3
1.3
3.3
1.4
3.3
1.8
3.3
1.3
1.3
0
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
1.2 1.1 3.3 1.3 1.3 3.3 1.3
0
3.3
1.3
3.3
1.3
0
0
0
0
0
0
0
0
0
0
0
0
1.3
1.3
3.3 3.3 1.3 3.3 3.3 3.3 1.3
1.3 3.3
1.8 1.8 1.3
0
3.3 3.3
0 1.3
3.2
1.3
0
3.3
3.3
3.3
1
0
3.3
3.3
3.3
0
1
1
0
3.3
0
3.3
3.3
3.3
3.3
3.3
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
5
4
3
2
1
CEC
HDMI_RESET
HDMI_MISO/SCL
HDMI_MOSI/SDA
HDMI_SPDIF
MUTE
NON_LPCM
ARC_SPDIF
DCDC+6V
DCDC+4V
SD3
LRCK
BCK
MCK
GND
SD2
SD1
SD0
DSP_SPICLK
SBL/SBR_OUT
L/R_OUT
SBL/SBR_IN
DSP_NONAU
LRCLK_OUT
C/SW_IN
BCLK_OUT
C/SW1_OUT
DSP_ERROR
LRCLK_IN
MCLK_IN
DSP_INT
BCLK_IN
SL/SR_IN
SL/SR_OUT
RESET_MAIN
UART_IN
UART_OUT
MD
DSP_MISO
DSP_MOSI
DSP_CS
DIR_IN
UAR
T_IN
DSP_UART_SEL
SI
HDMI_CNVSS
DSP+3.3V
DSP_RST
DIR_RST
UAR
T_OUT
SO
C2855
10
JL2809
JL2814
JL2812
JL2808
JL281
1
10k
R2866
10k
R2835
10k
R2807
10k
R2867
10k
R2895
10k
R2899
10k
R2861
10k
R2910
10k
R2157
22
R2837
22
R2872
22
R2842
22
R2839
22
R2840
22
R2851
22
R2846
22
R2850
22
R2838
22
R2825
22
R2826
22
R2844
22
R2843
22
R2852
22
R2809
22
R2802
22
R2873
100
R2857
100
R2858
1k
R2876
4.7k
R2053
4.7k
R2853
100k
R2875
1M
R2856
0
R2854
C2851
0.1
C2816
0.1
C2864
0.1
C2856
0.1
C2847
0.1
C2844
0.1
C2849
0.1
C2840
0.1
C2826
0.1
C2825
0.1
C2827
0.1
C2846
0.1
C2835
0.1
C2836
0.1
C2853
0.1
C2817
0.1
C2838
0.1
C2845
0.1
C2857
0.1
C2819
0.1
C2850
0.1
C2820
0.1
C2828
0.1
C2862
0.1
C2832
0.1
C2821
0.1
C2858
0.1
C2859
0.1
C2822
0.1
C2831
0.1
C2829
0.1
C2852
0.1
C2818
0.1
C2861
0.1
C2830
0.1
C2863
0.1
C2824
0.1
C2860
0.1
C2854
0.1
C2823
0.1
C2837
0.1
C2842
7p
C2841
7p
FB2608
X2800
25MHz
1
2
C2905
220 4V
IC2032
TC74VHC157FT (EKJ)
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
2.2k
R2926
C2908
0.1
C2906
10
10k
R2834
C2910
10
IC2801
ADSST-AVR-3010
1
SDDQM
2
MS0
3
SDCKE
4
VDD_INT
5
CLK_CFG1
6
ADDR0
7
BOOT_CFG0
8
VDD_EXT
9
ADDR1
10
ADDR2
11
ADDR3
12
ADDR4
13
ADDR5
14
BOOT_CFG1
15
GND
16
ADDR6
17
ADDR7
18
NC
19
NC
20
ADDR8
21
ADDR9
22
CLK_CFG0
23
VDD_INT
24
CLKIN
25
XT
AL2
26
ADDR10
27
SDA10
28
VDD_EXT
29
VDD_INT
30
ADDR1
1
31
ADDR12
32
ADDR17
33
ADDR13
34
VDD_INT
35
ADDR18
36
RESET
OUT/RUNRSTIN
37
VDD_INT
38
MOSI
39
MISO
40
SPICLK
41
VDD_INT
42
DPI_P05
43
DSP_CS
44
MD
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
VDD_EXT
NC
RESET_MAIN
VDD_INT
UART_OUT
UART_IN
LED
NC
NC
NC
NC
NC
VDD_EXT
NC
NC
NC
NC
VDD_INT
NC
NC
VDD_INT
NC
NC
VDD_INT
NC
WDTRSTO
NC
VDD_EXT
SL/SR_OUT
SL/SR_IN
BCLK_IN
OPTION_L/OPTION_R_OUT
FRONTHI_L/R_OUT
VDD_INT
NC
NC
NC
NC
NC
VDD_EXT
VDD_INT
L/R_OUT
MID/SW2_OUT
SBL/SBR_OUT
89
ZONE_L/R
90
VDD_INT
91
VDD_EXT
92
MCLK_IN
93
VDD_INT
94
C/SW1_OUT
95
C/SW_IN
96
A/D_2CH
97
LRCLK_IN
98
BCLK_OUT
99
LRCLK_OUT
100
L/R_IN
101
SBL/SBR_IN
102
VDD_INT
103
DIR_IN
104
VDD_EXT
105
VDD_INT
106
BOOT_CFG2
107
VDD_INT
108
AMI_ACK
109
GND
110
THD_M
111
THD_P
112
VDD_EXT
113
VDD_INT
114
VDD_INT
115
MS1
116
VDD_INT
117
WDT_CLKO
118
WDT_CLKIN
119
VDD_EXT
120
ADDR23
121
ADDR22
122
ADDR21
123
VDD_INT
124
ADDR20
125
ADDR19
126
VDDEXT
127
ADDR16
128
ADDR15
129
VDD_INT
130
ADDR14
131
AMI_WR
132
AMI_RD
133
VDD_INT
134
IRQ/GPIO
135
FLAG1
136
FLAG2
137
MLBCLK
138
FLAG3
139
MLBDAT
140
MLBDO
141
VDD_EXT
142
MLBSIG
143
VDD_INT
144
TRST
145
MLBSO
146
EMU
147
DATA0
148
DATA1
149
DATA2
150
DATA3
151
TDO
152
DATA4
153
VDD_EXT
154
DATA5
155
DATA6
156
VDD_INT
157
DATA7
158
TDI
159
SDCLK
160
VDD_EXT
161
DATA8
162
DATA9
163
DATA10
164
TCK
165
DATA11
166
DATA12
167
DATA14
168
DATA13
169
VDD_INT
170
DATA15
171
SDWE
172
SDRAS
173
RESET
174
TMS
175
SDCAS
176
VDD_INT
GND
0
R2936
IC2034
S-80929CNMC-G8ZT2G
OUT
VDD
VSS
NC
CD
C2914
0.1
C2198
1000p
10k
R2283
JL2866
JL2873
JL2874
CN2605
5P
1
HDMI_RX
2
3
HDMI_TX
4
HDMI_CNVSS
NC
5
JL2877
1k
R2943
2.2k
R2868
0
R2955
0
R2956
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
RB2103
100
CN2513
20P
NC
1
CEC
RESET
MISO / SCL
MOSI / SDA
NON_LPCM
MUTE
HDMI_SPDIF
SD0
SD1
SD2
SD3
LRCK
BCK
GND
MCK
GND
ARC_SPDIF
DCDC+6V
DCDC+4V
JL2830
JL2831
JL2832
JL2833
JL2834
JL2835
JL2836
JL2837
JL2838
JL2839
JL2840
JL2841
JL2842
JL2843
JL2844
JL2845
JL2846
JL2847
JL2848
47
R2615
100
R2626
FB2031
FB2032
330
R2617
470
R2618
220
R2841
220
R2829
220
R2831
220
R2824
330
R2847
330
R2849
DSP_MISO
DSP_SFLASH_HOLD
DSP_CS
DSP_SPICLK
DSP_MOSI
C2866
10
10k
R2879
10k
R2865
10k
R2898
10k
R2897
22
R2878
22
R2882
22
R2880
22
R2864
22
R2863
C2865
0.1
FB2889
0uH
2.2k
R2881
IC2802
W25Q16BVSSIG
CE#
SO
WP#
Vss
SI
SCK
HOLD#
Vdd
DSP
IC2801
IC B/D
SIGNAL SELECTOR
IC2032
EEPROM
IC2802
RESET SIGNAL GENERATOR
IC2034
HDMI RE 
PC
BOARD
(3/3)
CN3513
(Page 36)
DIGITAL
BOARD
(2/4)
(Page 27)
DIGITAL
BOARD
(2/4)
(Page 27)
DIGITAL
BOARD
(2/4), (3/4)
(Page 27),
(Page 28)
DIGITAL
BOARD
(3/4)
(Page 28)
DIGITAL BOARD (3/4)
(Page 28)
1
2
3
4
HDMI RE 
PC
BOARD
(3/3)
CN3516
(Page 36)
E
5
D
Ver. 1.1
STR-DH520
STR-DH520
27
27
4-15.  SCHEMATIC DIAGRAM – DIGITAL Board (2/4) –    
• See page 18 for Waveforms.    • See page 42 and 43 for IC Block Diagrams.    • See page 47 and 48 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)
14 15
12
13
2
3
6
5
4
1
16
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
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
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
5
4
3
2
1
VSEL_2
VSEL_1
V_MUTE_1
COMP_SW2
POWER_DET
SIRC
DIR_RST
DCDC+6V
VSEL_2
VSEL_1
V_MUTE_1
SO
DA
CK
BRIG_R
Y
MD2
FL_CLK
FL_DATA
FL_CLK
RESET_MAIN
FL_LAT
INPUT
AD_KEY1
AD_KEY2
VOLUME
FL_GND
DCDC+4V
SIRC
HDMI_RESET
CEC_OUT
TONE
FLASH_CLK
SI
DIR_SIGNAL
DIR_INT
MODEL
FUSE_DET
COMP_DET
FL/FR_RY
C/SL/SR_RY
STBY_SUPPLY
+3.3V_STBY
COMP_SW2
MD0
DIR_CE
IISD
COMP_DET
STOP
VERSION
RESET
DSP_SFLASH_HOLD
HDMI_MISO/SCL
HDMI_MOSI/SDA
CEC_IN
CEC_OUT
CEC
MD
CEC_IN
POWER_DET
AD_KEY1
AD_KEY2
TONE
VOLUME
INPUT
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
STOP
STBY_SUPPLY
DIR_MPO0
DIR_XST
ATE
DIR_MISO
DIR_MISO
DSP_ERROR
3.3V
DSP_SPICLK
HDMI_CNVSS
DSP_MOSI
DSP_MISO
DSP_INT
DSP_RST
DSP_NONAU
DSP_CS
DSP_UAR
T_SEL
I2C/RDSI
VERSION
MODEL
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
CEC DATA SWITCH
2SC3052EF-T1-LEF
Q2702
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
CL2058
CL2056
CL2210
CL2211
CL2212
C2459
0.1
R2007
1M
RB2109
100
R2324
10k
R2131
10k
R2228
10k
R2744
10k
R2132
10k
R2747
10k
R2054
100
R2250
10k
R2130
2.2k
R2160
IC2020
S-80929CNMC-G8ZT2G
OUT
VDD
VSS
NC
CD
RB2104
100
100
RB2106
RB2107
100
R2321
C2206
1000p
C2208
0.1
15P
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
R2906
47
R2057
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
CN2061
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
100k
R2392
470
R2006
C2203
0.1
IC2033
TC7SH126FU
Gate
In A
GND
OUT_Y
Vcc
10k
R2249
C2465
0.1
C2126
4.7
C2128
100p
4.7k
R2928
IC2019
TC7SH08FU
IN
IN
GND
OUT
VCC
RB21
19
100
C2909
0.1
10k
R2931
R2112
2.2k
2.2k
2.2k
100
100
R2614
R2220
R2921
100
100
RB2105
100
47
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
C2918
0.1
C2917
0.1
C2913
0.1
10k
R2939
D2701
RB751V-40TE-17
1k
R2951
1k
R2952
Q2006
DATA SWITCH
2SC3052EF-T1-LEF
470
R2914
470
R2251
CL2213
100
R2932
0
R2961
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
5
4
3
2
1
5
4
3
2
1
10k
SYSTEM CONTROL
IC2105
MAIN RESET SWITCH
IC2033
+3.3V REG
IC2107
RESET SWITCH
IC2019
IC B/D
IC B/D
RESET SIGNAL GENERATOR
IC2020
FLASH
PROGRAMMING
DIGITAL BOARD
(1/4)
(Page 26)
DIGITAL BOARD
(1/4), (3/4)
(Page 26), (Page 28)
DIGITAL BOARD
(3/4)
(Page 28)
DIGITAL BOARD
(1/4)
(Page 26)
2
3
DIGITAL BOARD (3/4)
(Page 28)
6
DIGITAL BOARD (4/4)
(Page 29)
7
8
1
DISPLAY
BOARD
CNS106
(Page 40)
F
STANDBY-A
VIDEO MT
PC BOARD
CN271
(Page 31)
G
1
STR-DH520
STR-DH520
28
28
4-16.  SCHEMATIC DIAGRAM – DIGITAL Board (3/4) –    
• See page 18 for Waveforms.    • See page 42, 43 and 44 for IC Block Diagrams.
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 (3/4)
24
22
19
20
21
16
12
7
13
8
9 11
10
23
25
18
17
2
3
1.4
3.3
1.8
3.3
3.30
3.3
3.3
3.3
3.3
1.3
1.4
3.3
1.8
1.3
3.3
1.3
3.3
1.8
1.2
2.7
2.6
1.2
1.2
1.3
3.3
3.3
3.3
3.3
1.7 1.8 1.8
0
0
3.3
3.3
0
2.8
0
0
2.6
3.3
0 3.3
1.3
0 3.3
0
0
0
0
0
0
3.3
0
0
0
0
0
0
0
2.4
5
2.4
0
3.3
1.8
1.8
0
3.3
0
3.3
0
3.3
3.3
3.3
3
0
3.1
0
3.3
6
3.7
6.2
6.2
1.1
1
0.9
1 3.3
3.9 3.9
VCC
OUT
GND
VCC
OUT
GND
1
2
3
4
6
5
BCLK_IN
SBL/SBR_IN
C/SW_IN
SL/SR_IN
DIR_SIGNAL
SD3
SD2
SD1
SD0
LRCK
BCK
MCK
NON_LPCM
MUTE
DIR_IN
DIR_RST
DSP_SEL
HDMI_SPDIF
ARC_SPDIF
DSP_NONAU
MCLK_IN
MCK
LRCLK_IN
C/SW1_OUT
L/R_OUT
FL_GND
SBL/SBR_OUT
SL/SR_OUT
DIN4/DNC
DIN2
DSP_ERROR
DIR_XST
ATE
DIR_INT
DIR_CE
DIR_MISO
DIR_MPO0
C2361
0.1
C2358
0.1
IC2351
TORX147L(SONY)
J2301
1P
COAXIAL
BD/DVD IN
FB2604
C2815
7p
C2814
7p
X2801
24.576MHz
C2871
10
C2868
10
FB2603
10k
R2901
FB2033
21A102
IC2804
TC74VHC157FT (EKJ)
1 SEL
2 A0
3 B0
4 Y0
5 A1
6 B1
7 Y1
8 GND
9
Y2
10
B2
11
A2
12
Y3
13
B3
14
A3
15
ST
16
VCC
FB2007
21A102
R221
1
R2111
10k
47k
R2311
8
7
6
5
4
3
2
1 CK
D
Q
GND
Q
CLR
PR
VCC
FB2801
0uH
10k
R2125
10k
R2011
10k
R2108
10k
R2099
100
R2059
100
R2351
100
R2354
100
R2759
220
R2816
330
R2601
330
R2602
470
R2356
1k
R2104
47k
R2357
470k
R2358
1M
R2815
R2415
R2416
0
0
R2417
0
C2268
4700p
C2069
0.01
C2272
0.1
C2354
0.1
C2881
0.1
C2875
0.1
C2072
0.1
C2870
0.1
C2273
0.1
C201
1
0.1
C2274
0.1
C2351
0.1
C2269
0.068
680
R2050
C2114
22
C2370
10
D2104
DA2J10100L
220ohm
FB2884
220ohm
FB2885
L2007
10uH
C2874
10
C2879
0.022
C2873
10
IC2803
MP2301ENE-LF-Z
1 BST
2 VIN
3 SW
4 GND
5
FB
6
COMP
7
EN
8
SS
9
TAB
C2876
0.1
C2878
0.1
C2899
0.1
1k
R2892
1k
R2891
C2270
0.1
C2877
1000
6.3V
220ohm
FB2886
L2008
10uH
FB2887
0uH
JL2868
JL2869
JL2870
JL2871
JL2872
22k
R2173
IC2010
SI-3010KM-TLS
EN
IN
GND
OUT
FB
GND
10k
R2172
D2717
DA2J10100L
FB2891
0uH
C2355
22
6.3V
47
R2925
IC2303
TC7WHU04FU (TE12R)
IN1
OUT3
IN2
GND
OUT2
IN3
OUT1
VCC
C2074
10
10k
R2103
C2070
0.1
100
R2912
IC2805
TC74VHC08FT (EL)
1 A0
2 B0
3 Y0
4 A1
5 B1
6 Y1
7 GND
8
Y2
9
B2
10
A2
11
Y3
12
B3
13
A3
14
VCC
FB2892
0uH
IC2009
TC7WH74FK
Q2706
RT1N141C-TP-1
 MUTE SWITCH
C2470
10
10k
10k
R2933
C2013
100 16V
C2869
220 4V
C2872
220 4V
C2265
100
16V
C2266
100
16V
C2264
100 16V
C2267
100 16V
1k
R2941
C2093
470p
1M
R2005
IC2006
PCM9211PTR
ERROR/INT0
NPCM/INT1
MPIO_A0/HDMI_MCK
MPIO_A1/HDMI_BCK
MPIO_A2/HDMI_LRCK
MPIO_A3/SD0
MPIO_C0/X_STATE
MPIO_C1/SD1
MPIO_C2/SD2
MPIO_C3/SD3
MPIO_B0/SI_C
MPIO_B1/SI_D
13
SI_E
14
SI_F
15
MPO0
16
MPO1/DIR_INT
17
DOUT
18
LRCK
19
BCK
20
SCKO
21
DGND
22
DVDD
23
MDO/ADR0
24
48
47
46
45
44
43
42
41
40
39
38
37
MDI/SDA
25 MC/SCL
26 MS/ADR1
27 MODE
28 RXIN7/HDMI_SPDIF
29 RXIN6/HDMI_ARC
30 RXIN5/ USB_SPDIF
31 RXIN4/TV OPT IN
32 RXIN3/SAT/CATV OPT IN
33 RXIN2/DVD_Coaxial In
34 RST
35 RXIN1
36
12
11
10
9
8
7
6
5
4
3
2
1
VDDRX
RXIN0
GNDRX
XTI
XT
O
AGND
VCC
FIL
T
VCOM
AGNDAD
VCCAD
VINL
VINR
10k
R2940
C2359
100
16V
10k
R2886
470
R2860
4.7k
R2889
0
R2946
0
R2949
0
R2947
0
R2948
C2468
0.1
DIN1
100
R2959
100
R2958
100
R2960
DIN3
100
R2957
470
R2610
75
R2855
1.1V
4
8
1
5
2
6
3
7
DIGITAL OPTICAL
RECEIVE
IC2351
IC2352
TORX147L(SONY)
DIGITAL OPTICAL
RECEIVE
IC2352
IC B/D
IC B/D
IC B/D
WAVE SHAPER
IC2303
IC B/D
SIGNAL SELECTOR
IC2805
SCHMITT TRIGGER
IC2009
DIGITAL AUDIO
INTERFACE
RECEIVER
IC2006
MUTING
IC2804
+3.3V REG
IC2010
POWER OPERATION AMP
IC2803
OPTICAL
SAT/CATV
IN
DIGITAL
(ASSIGNABLE)
OPTICAL
IN
TV
DIGITAL
BOARD
(2/4)
(Page 27)
DIGITAL
BOARD
(4/4)
(Page 29)
DIGITAL
BOARD
(1/4)
(Page 26)
DIGITAL BOARD (1/4)
(Page 26)
DIGITAL
BOARD
(1/4), (2/4)
(Page 26),
(Page 27)
DIGITAL
BOARD
(2/4)
(Page 27)
DIGITAL
BOARD
(4/4)
(Page 29)
DIGITAL
BOARD
(4/4)
(Page 29)
5
6
4
8
10
11
2
9
2
3
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