Sony STR-DH720 / STR-DH720HP Service Manual ▷ View online
STR-DH720/DH720HP
STR-DH720/DH720HP
41
41
5-28. PRINTED WIRING BOARD – DCDC Board –
• See page 19 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC1600
IC1500
C1506
C1606
A1501
CN1501
1
6
1
7
CN1500
C1500
C1501
C1502
C1503
C1505
C1507
C1508
C1509
C1510
C1511
D1500
L1600
L1601
C1600
C1601
C1602
C1603
C1605
C1607
C1608
C1609
C1610
C1611
D1600
R1603
L1500
L1501
R1600
R1500
R1601
R1501
R1602
R1502
R1503
R1604
R1504
C1604
C1504
R1605
R1505
R1506
CL1500
CL1501
CL1502 CL1503
CL1504
CL1505
N
STANDBY-A
VIDEO PC
BOARD
CN904
(Page 37)
K
D-VIDEO
BOARD
CN3510
CN3510
(Page 31)
DCDC BOARD
(SIDE A)
(SIDE A)
1-883-236-
11
(11)
DCDC BOARD
(SIDE B)
(SIDE B)
1-883-236-
11
(11)
(CHASSIS)
Note 1: IC1500 and IC1600 on the DCDC board cannot exchange
with single. When these parts on the DCDC board are
damaged, exchange the entire mounted board.
damaged, exchange the entire mounted board.
Note 2: When the DCDC board (Suffi x-11) is replaced, refer to
“NOTICE OF BOARD VERSION CHECK” (page 4).
Ver. 1.2
STR-DH720/DH720HP
STR-DH720/DH720HP
42
42
5-29. SCHEMATIC DIAGRAM – DCDC Board –
• Waveforms
– DIGITAL Board –
– D-VIDEO Board –
– STANDBY-A VIDEO PC Board –
100 mV/DIV, 50
Ps/DIV
H
0.5 Vp-p
7
IC220
ws (CH2 OUT)
(Color bar)
6
IC220
w; (CH3 OUT)
(Color bar)
100 mV/DIV, 50
Ps/DIV
H
0.5 Vp-p
200 mV/DIV, 25
Ps/DIV
H
0.8 Vp-p
8
IC220
wf (CH1 OUT)
(Color bar)
5
IC3201
qs (XTAL)
50 mV/DIV, 25 ns/DIV
19.6608MHz
86 m Vp-p
4
IC3000
wf (XOUT)
500 mV/DIV, 100 ns/DIV
4.00MHz
3.2 Vp-p
– DISPLAY Board –
9
IC152
5 (OSC)
1 V/DIV, 5
Psec/DIV
15
Ps
4.72 Vp-p
3.28 Vp-p
4 MHz
1
IC2105
os (X1(X_OUT))
500 mV/DIV, 100 nsec/DIV
3.34 Vp-p
48.07 kH
2
IC2006
qk (LRCK)
500 mV/DIV, 5 usec/DIV
3
IC2006
ql (BCK)
3.34 Vp-p
3.08 MHz
500 mV/DIV, 100 nsec/DIV
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
6
5
4
3
2
1
NC
+R3 supply (+13V)
+R3 supply (+13V)
R3 GND
R3 GND
+4V
+4V
2
1
1
3
4
5
6
7
M
D-VIDEO
BOARD
(3/4)
CN3510
(Page 35)
N
STANDBY-A
VIDEO PC
BOARD
CN904
(Page 38)
Note 1: IC1500 and IC1600 on the DCDC board cannot exchange
with single. When these parts on the DCDC board are
damaged, exchange the entire mounted board.
damaged, exchange the entire mounted board.
Note 2: When the DCDC board (Suffi x-11) is replaced, refer to
“NOTICE OF BOARD VERSION CHECK” (page 4).
Ver. 1.2
STR-DH720/DH720HP
STR-DH720/DH720HP
43
43
5-30. PRINTED WIRING BOARD – USB Board –
• See page 19 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
B1
C2
B2
E2
C1
E1
B
E
IC4102
IC4101
IC4161
VCC
O
IC4100
1
1617
32
33
48
49
64
IC4160
IC4121
1
14
3
CN4100
J4100
1
4
J4000
ET4100
1
4
CN4101
C4101
C4109
C41
12
C4113
C4114
C4117
C41
18
C41
19
C4120
C4121
C4127
C4131
C4132
C4133
C4138
R
4111
R4112
R4114
R4115
R4116
R4117
R4118
R4119
R4120
R4121
R4122
R4123
R4124
R4125
R4126
R4127
C4156
C4158
R4130
R4131
R4132
R4133
R4134
R4135
R4136
R4137 R4138
R4139
R4141
R4142
R4143
R4144 R4145
R4146
R4147
R4148
R4149
R4150
R4162
R4163
R4164
X4102
FB4100
FB4101
FB4102
C4102
C4111
Q4121
D4101
D4102
Q4123
D4103
C4128
D4104
C4129
D4105
C4130
C4134
C4135
C4136
R4129
C4162
C4163
C4164
C4165
C4166
C4168
C4169
D4160
R4174
R4175
R4181
R4182
R4183
R4185
C4155
R4188
D4161
D4162
R4180
C4181
C4182
C4183
R4190
R4189
R4184
C4184
R4186
R4187
C4185
C4186
D4121
C4115
C4116
VD4120
VD4121
VD4170
VD4171
C41
10
C4137
C4159
C4167
C4157
C4161
R4160
R4161
JL4105
JL4151
JL4108
JL4100
JL4152
JL4118
JL4101
JL4115
JL4104
JL41
11
CL4141
CL4127
CL41
19
CL4134
CL41
17
CL4130
CL41
16
CL4135
CL4124
CL4131
CL41
18
CL4142
CL4128
CL4120
CL4132
CL4140
CL4125
CL4129
CL4115
CL4139
CL4133
JL4106
JL41
10
USB BOARD
(SIDE A)
(SIDE A)
(CHASSIS)
AUTO
CAL MIC
iPhone/iPod
USB BOARD
(SIDE B)
(SIDE B)
1-883-410-
12
(12)
1-883-410-
12
(12)
M
D-VIDEO BOARD
CN3007
(Page 31)
O
DISPLAY BOARD
CN152
(Page 39)
STR-DH720/DH720HP
STR-DH720/DH720HP
44
44
5-31. SCHEMATIC DIAGRAM – USB Board –
• See page 46 and 51 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
USB BOARD
(CHASSIS)
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
0
1.5
3.3
3.3
3.3
0
3.3
0
0
0
0
0
0
3.3 0
3.3 3.3
0
3.3
3.3
3.3
3.3
3.3
6
2.7
0
1.5
3.3
0
0
1.6
3.3
3.3
3.3
3.3
0
0
0
0
3.3 0
1.6 1.6
0
0
3.3 0
2.8
2.9
6
3.3
3.3
6
1 0.8
5
4.8
3.3
6
3.3
3.3
3.3
6
3.3
4.8
5
0
0
3.3
2.8
0
0.6
2.8
BU81459KV-E2
IC4100
1
RESETX
2
SEL-SLA
VE
3
SEL-MP3
4
SEL-DOUT
5
SEL-VOL
6
SEL-APLA
Y
7
SEL-UTPKT
8
IRPT
O
9
TEST2
10
KEY
-ROW1/MCHNG
11
KEY
-ROW2/BUSY
12
KEY
-ROW3/SCL
13
KEY
-ROW4/SDA
14
KEY
-COL1/A0
15
KEY
-COL2/A1
16
KEY
-COL3/SEL-SMAN
17 TEST3
18 DVDDIO
19 SD-CON
20 SD-DO
21 SD-CLK
22 SD-DI
23 SD-CS
24 DVSS
25 TEST4
26 TEST5/CLKOUT12
27 DVDD-M2
28 TEST6
29 TEST7
30 TEST8
31 ATEST1
32 AVDDC
18 DVDDIO
19 SD-CON
20 SD-DO
21 SD-CLK
22 SD-DI
23 SD-CS
24 DVSS
25 TEST4
26 TEST5/CLKOUT12
27 DVDD-M2
28 TEST6
29 TEST7
30 TEST8
31 ATEST1
32 AVDDC
33
USB-DM
34
USB-DP
35
AVSSC
36
REXTI
37
VOREFI
38
VDDPLL
39
TEST
-PLL
40
XIN-PLL
41
XOUT
-PLL
42
VSS-PLL
43
DA
VSS
44
RDACO
45
VCDACO
46
LDACO
47
DA
VDD
48
AMUTE
49
LED-ERROR/TEST9
50
LED-PLAY/TEST10
51
LED-PSD/TEST11
52
LED-PUSB/TEST12
53
LRCK
54
BCK
55
DATA
56
TEST13
57
DVDD-M1
58
TEST14
59
TEST15
60
TEST16
61
TEST17
62
DVSS
63
TMODE
64
DVDDIO
JL4105
12k
R4129
JL4101
JL4104
JL4100
MC2840-T112-1
D4105
MC2840-T112-1
D4104
J4000
CL41
18
CL41
17
CL41
16
CL41
15
CL4120
R4174
R4175
JL4110
JL4111
330ohm
FB4100
JL4115
JL4118
2.2
C4163
0
R41
14
RT3T11M-TP-1
Q4123
MIC MUTE
DRIVER
1kohm
FB4101
2SC3052EF-T1-LEF
Q4121
MIC MUTE DRIVER
JL4151
J4100
AUTO CAL MIC
JL4152
JL4106
JL4108
E
ET4100
CL4119
VCC
GND
OUT
BA33BC0FP-E2
IC4161
0.47
C4165
6.3V
220
C4166
6.3V
220
C4102
6.3V
220
C4162
10V
22
C4134
10V
22
C4130
10 16V
C4129
10V
47
C4136
C4157
6.3V
47
25V
1
C4135
25V
1
C4128
100
R41
12
R41
15
100
R41
18
100
R41
17
100
R41
16
100
R41
19
100
R4120
100
100
R4121
10k
R4123
10k
R4127
10k
R4124
10k
R4126
330
R4162
470
R4163
47k
R4164
470k
R4161
47k
R4137
47k
R4142
47k
R4139
10k
R4141
4.7k
R4134
4.7k
R4136
4.7k
R4135
4.7k
R4133
6.8k
R4145
1k
R4138
1k
R4146
10k
R4148
100
R4132
100k
R4147
100k
R4150
10k
R4149
6.2k
R4143
100p
C4127
33p
C4133
33p
C4131
0.022
C4138
C4159
1p
10k
R
4111
1M
R4130
1000p
C41
19
0.1
C41
18
0.1
C4117
0.1
C4158
0.1
C4156
0.1
C4132
0.1
C4121
0.1
C4109
0.1
C4112
1000p
C4120
7p
C41
14
7p
C41
13
0.1
C4101
10k
R4125
10k
R4122
NJM4565M-D
IC4121
1
1OUT
2
1-
3
1+
4
GND
5
2+
6
2-
7
2OUT
8
Vcc
DA2J10100L
D4160
TC7WHU04FU(TE12R)
IC4160
1 IN1
2 OUT3
3 IN2
4 GND
5
OUT2
6
IN3
7
OUT1
8
VCC
CL4139
CL4140
CL4141
CL4142
1
2
3
4
4P
CN4101
MIC_MUTE
GND
+7V
DCAC_SIGNAL
6.3V
220
C4155
DZ2J06200L
D4102
DZ2J06200L
D4103
DZ2J06200L
D4101
CL4135
CL4133
CL4130
CL4132
CL4129
CL4131
CL4127
CL4128
CL4124
CL4134
1
3
4
5
6
7
8
9
10
11
12
13
14
CN4100
14P
USB_SPDIF
MCHNG
IPOD_REQ
OVC
SCL
SDA
RESET
BUSY
REG_CTRL
GND
GND
+6V
+6V
CL4125
10V
220
C4168
220ohm
FB4102
0.1
C4169
0.1
C4111
1000p
C4183
1000p
C4184
0.1
C4181
8
7
6
5
4
3
2
1
NJM2903V(TE2)
IC4101
OUT1
-IN1
+IN1
GND
+IN2
-IN2
OUT2
VCC
7.5k
R4185
12k
R4190
10k
R4188
7.5k
R4189
7.5k
R4183
0.1
R4184
0.1
C4182
33k
R4181
22k
R4180
10k
R4186
10k
R4187
2.2
C4164
1SS367-T3SONY
D4161
1SS367-T3SONY
D4162
0.1
C4185
0.1
C4186
16.9344MHz
X4102
1
2
DA2J10100L
D4121
220
R4131
0.1
C4116
0.1
C4115
VD4120
VD4121
VD4170
VD4171
BD00HC5WEFJ-E2
IC4102
5
6
7
8
4
3
2
1
9
10
C4167
10
C4110
2200p
C4137
56k
R4144
10k
R4182
0.1
C4161
FB4161
470ohm
1
2
3
4
GND
D+
D-
VBUS
GND
VIN
VOUT
FB
EN
0
0
COMPARATOR
IC4101
REGISTOR
CONTROL
IC4102
USB SELECTOR
IC4160
OP AMP
IC4121
3.3V REG
IC4161
IC B/D
IC B/D
DATA PROCESSOR
IC4100
K
D-VIDEO
BOARD
(1/4)
CN3007
(Page 33)
O
DISPLAY
BOARD
CN152
(Page 40)
IC B/D
iPhone/iPod
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