Sony STR-DH720 / STR-DH720HP Service Manual ▷ View online
STR-DH720/DH720HP
STR-DH720/DH720HP
5
5
2-2. SCHEMATIC DIAGRAM – DCDC Board –
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
DCDC BOARD
4
0.8
0.7
10
3.8
16.4
1.7
6
0.8
0.7
12.3
3.8
16.4
1.7
IC1500
RB051LA-40TR
D1500
0.1
C1500
10uH
L1501
RB051LA-40TR
D1600
10uH
L1601
47p
C1607
68p
C1608
10uH
L1500
10
C1503
10uH
L1600
10
C1501
0.1
C1600
10
C1603
10
C1602
10
C1601
10
C1502
CL1500
CL1501
CL1502
CL1503
CL1504
CL1505
25V
1000
C1506
25V
1000
C1606
TPS54331DR
+4V REG
IC1500
IC1600
TPS54331DR
+6V REG
IC1600
1
2
3
4
8
7
6
5
BOOT
VIN
EN
SS
VSNS
COMP
GND
PH
1
2
3
4
8
7
6
5
BOOT
VIN
EN
SS
VSNS
COMP
GND
PH
6P
CN1501
0.1
C1611
0.1
C1505
0.1
C1509
0.1
C1510
0.1
C1610
0.1
C1511
0.1
C1609
0.1
C1605
470
R1603
0.01
C1504
0.01
C1604
10k
R1504
1.5k
R1505
1.5k
R1605
10k
R1604
1k
R1506
0
R1503
150k
R1502
68k
R1602
330k
R1600
100k
R1601
100k
R1501
330k
R1500
15p
C1507
220p
C1508
7P
CN1500
+6V
+6V
DGND
DGND
+4V
+4V
1
2
3
4
5
6
NC
+R3 supply (+13V)
+R3 supply (+13V)
R3 GND
R3 GND
+4V
+4V
6
7
7
5
4
3
2
1
M
D-VIDEO
BOARD
(3/4)
CN3510
(Page 16)
N
STANDBY-AVIDEO
MT PC BOARD
CN904
(Page 24)
STR-DH720/DH720HP
STR-DH720/DH720HP
6
6
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
IC2352
IC2351
IC2421
IC2805
IC2501
1
14
15
28
IC2106
1
100
30
31
81
80
50
51
IC2105
IC2802
IC2804
133
132
88
45
44
176
89
1
IC2801
IC2020
IC2009
IC2006
1
12
13
24
25
36
37
48
IC2803
IC2303
6
1
5
IC2010
O
VCC
O
VCC
14
1
CN2103
CN2105
19
1
19
1
CN21
14
1
20
CN2513
10
11
CN2002 (1
1P)
1
28
9
CN2003 (9P) (US, CND)
R2860
R2861
R2863
R2864
R2865
R2866
R2867
R2868
R2099
C2899
R2872
R2873
R2875
R2876
R2880
R2881
R2882
R2886
R2889
R2891
R2892
R2895
R2897
R2898
R2899
C2101
1
4
CN2501
C2114
C21
19
C2501
C2502
C2503
C2504
C2506
C2507
C2508
C2509
FB2007
C2125
C2127
C2510
R2100
C251
1
C2512
R2103
C2514
C2515
C2516
C2517
C2130
R2108
X2800
C2131
X2801
D2302
D2303
D2110
C2909
R2112
R21
14
R2116
C2140
R2119
C2912
FB2603
C2913
FB2604
R2311
C2917
C2918
FB2608
C2531
R2509
R2123
L2007
R2124
L2008
FB2031
R2125
FB2801
FB2032
R251
1
R2512
R2321
R2322
R2324
R2132
C2351
D2717
FB2043
C2354
C2355
C2358
C2359
R2912
C2361
R2917 R2918 R2919
R2920
R2921
R2923
C2370
R2925
R2928
R2158
R2540
R2159
R2541
R2351
R2930
R2160
R2354
R2356
R2357
R2358
R2938
R2941
R2172
R2173
R2949
R2759
R2957
R2958
R2959
R2960
R2962
R2963
R2197
RB2102
RB2103
RB2104 RB2105
RB2106
RB2107
RB2109
FB2884
FB2885
FB2886
FB2887
FB2889
FB2890
RB2119
FB2891
FB2892
JL2808
JL2809
JL2811
X2101
JL2812
C2011
C2206
C2013
C2208
C2016
C2402
CN2602
1
9
C2022
C2023
FB2101
C2413
R2007
C2418
C2421
R2011
C2422
C2424
D2018
R2015
FB2501
FB2502
C2814
JL2849
C2815
C2816
C2818
R2601
R2602
C2823
R2607
R2608
R2220
C2825
R2609
C2826
R2417
R2802
R2610
R2612
R2613
R2614
R2421
R2615
R2809
R2616
R2617
R2618
R2619
C2838
C2069
R2620
R2621
R2815
R2622
R2816
C2070
C2264
C2459
C2841
C2072
C2842
R2626
C2267
C2074
C2846
C2847
C2849
R2052
C2270
R2054
R2824
R2825
C2272
C2466
R2826
C2273
C2468
C2274
R2058
C2469
R2059
R2829
C2853
R2250
C2470
C2858
R2831
R2834
R2835
R2837
C2860
R2838
C2861
R2839
C2863
C2864
C2865
C2096
C2866
C2868
R2840
R2842
R2843 R2846
R2847
R2849
C2873
C2874
C2875
C2876
C2877
C2878
C2879
R2851
R2852
R2854
R2855
R2856
R2857
R2858
C2881
C2882
C2883
C2869
8
1
CN2603
R2929
R2186
25
24
1
2
CN2116
A2001
DIGITAL BOARD
(SIDE A)
(SIDE A)
X2101
J2301
TV
OPTICAL IN
OPTICAL
SAT/CATV IN
DIGITAL (ASSIGNABLE)
COAXIAL
BD/DVD IN
FLASH
PROGRAMMING
10
11
1
28
9
AM
ANTENNA
)0ȍ
COAXIAL
TUNER
(FM/AM)
(CHASSIS)
CN2003 : 9P (US, CND)
1-883-126-
21
(21)
ECE
C
MAIN
BOARD
CNP410
(Page 18)
D
TEMP-
SENSOR
BOARD
CN250
(Refer to page 45
on original service manual)
E
DISPLAY
BOARD
CNS151
(Refer to page 39
on original service manual)
G
D-VIDEO
BOARD
CN3003
CN3003
(Page 12)
F
D-VIDEO
BOARD
CN3004
CN3004
(Page 12)
CN2002 : 11P
A
STANDBY-
AVIDEO MT
PC BOARD
CN271
(Page 23)
B
MAIN
BOARD
CNP411
CNP411
(Page 18)
(CHASSIS)
2-3. PRINTED WIRING BOARD – DIGITAL Board (Side A) –
•
: Uses unleaded solder.
Note: IC2106 on the DIGITAL board cannot exchange with single.
When this part on the DIGITAL board is damaged, exchange
the entire mounted board.
the entire mounted board.
STR-DH720/DH720HP
STR-DH720/DH720HP
7
7
2-4. PRINTED WIRING BOARD – DIGITAL Board (Side B) –
•
: 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
E
B
E
B
E
E
B
E
E
B
E
R2285
R2878
R2879
C2112
D2104
Q2702
Q2703
Q2704
R2104
Q2705
Q2706
C2905
R
2111
C2910
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
R2940
R2946
R2947
R2948
CL2001
CL2002
CL2003
CL2004
CL2005
CL2006
CL2007
R2951
CL2009
R2952
R2953
CL2200
CL2201
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
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
IC2032
IC2107
3
1
2
IC2005
DIGITAL BOARD
(SIDE B)
(SIDE B)
1-883-126-
21
(21)
STR-DH720/DH720HP
STR-DH720/DH720HP
8
8
2-5. SCHEMATIC DIAGRAM – DIGITAL Board (1/4) –
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)
7
8
10
9
6
4
1
5
2
3
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
3.3
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
CEC
HDMI_RESET
HDMI_MISO/SCL
HDMI_MOSI/SDA
HDMI_SPDIF
MUTE
NON_LPCM
ARC_SPDIF
DCDC+6V
DCDC+4V
DCDC+4V
SD3
LRCK
BCK
MCK
GND
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
UART_IN
DSP_MISO
DSP_MOSI
DSP_CS
DIR_IN
UAR
T_IN
DSP_UART_SEL
DSP+3.3V
DSP_RST
DIR_RST
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
100k
R2875
4.7k
R2053
4.7k
R2853
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
SELECT
1A
1B
1Y
2A
2B
2Y
GND
3Y
3B
3A
4Y
4B
4A
ST
VCC
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
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
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
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
2.2k
R2868
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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
SD1
SD2
SD3
LRCK
BCK
GND
MCK
GND
MCK
GND
ARC_SPDIF
DCDC+6V
DCDC+4V
DCDC+4V
JL2830
JL2831
JL2832
JL2833
JL2834
JL2835
JL2836
JL2837
JL2838
JL2839
JL2840
JL2841
JL2842
JL2843
JL2844
JL2845
JL2846
JL2847
JL2848
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
EEPROM
IC2802
DIGITAL
BOARD
(2/4)
(Page 9)
1
DIGITAL
BOARD
(2/4), (3/4)
(Page 9),
(Page 10)
2
DIGITAL
BOARD
(2/4)
(Page 9)
3
DIGITAL
BOARD
(3/4)
(Page 10)
4
DIGITAL BOARD (3/4)
(Page 10)
5
D-VIDEO
BOARD
(1/4)
CN3003
(Page 14)
A
IC2032
TC74VHC157FT (EKJ)
SIGNAL SELECTOR
IC2032
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