Sony STR-DH820 Service Manual ▷ View online
STR-DH820
STR-DH820
53
53
5-39. SCHEMATIC DIAGRAM – USB Board –
• See page 63 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
75
R4162
0
R4160
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
10k
R4188
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
1
2
3
4
GND
D+
D-
VBUS
GND
VIN
VOUT
FB
EN
0
0
iPhone/iPod
COMPARATOR
IC4101
REGISTOR
CONTROL
IC4102
USB SELECTOR
IC4160
OP AMP
IC4121
3.3V REG
IC4161
IC B/D
IC B/D
DATA PROCESSOR
IC4100
O
D-VIDEO
BOARD
(1/5)
CN3007
(Page 35)
V
DISPLAY
BOARD
CN152
(Page 49)
IC B/D
12k
R4190
7.5k
R4189
STR-DH820
STR-DH820
54
54
5-40. PRINTED WIRING BOARD – HEADPHONE Board –
• See page 21 for Circuit Boards Location. •
: Uses unleaded solder.
5-41. SCHEMATIC DIAGRAM – HEADPHONE Board –
5-42. PRINTED WIRING BOARD – TEMP-SENSOR Board –
• See page 21 for Circuit Boards Location. •
: Uses unleaded solder.
5-43. SCHEMATIC DIAGRAM – TEMP-SENSOR Board –
1
A
B
C
D
E
F
G
2
3
4
5
6
J790
1
5
3
CNP790
C792
C790
C791
CL790
CL792
CL793
CL791
PHONES
L
MAIN
BOARD
CN391
(Page 28)
HEADPHONE
BOARD
BOARD
1-883-412-
11
(11)
1
A
B
C
D
E
2
3
4
5
6
7
A250
16
CN250
3
THR251
R252
R251
THR252
C250
JL250
JL252
JL251
JL253
(CHASSIS)
D
DIGITAL
BOARD
CN2501
CN2501
(Page 22)
1-883-416-
11
(11)
TEMP-SENSOR BOARD
1
A
B
C
2
3
4
5
6
HEADPHONE BOARD
CL790
CL791
CL792
CL793
CL791
CL792
CL793
1
3
4
5
3
4
5
CN790
5P
HP_DETECT
HP_R
HP_GND
HP_L
1000p
C792
1000p
C791
1000p
C790
SIGN4
SIGN2
J790
PHONES
J
MAIN
BOARD
(2/4)
CN391
(Page 30)
1
A
B
C
D
E
2
3
4
5
6
TEMP-SENSOR BOARD
JL250
JL251
JL252
JL253
JL252
JL253
3
4
5
6
4
5
6
CN250
6P
NC
1
+5V_DIGITAL
DGND
TEMP1
TEMP2
TEMP2
THR252
THR251
2.2k
R252
2.2k
R251
C250
0.1
C
DIGITAL
BOARD
(1/4)
CN2501
(Page 24)
STR-DH820
55
• IC Block Diagrams
IC200 NJM2586AM (A VIDEO BOARD)
CONT2
CONT2
CONT1
CONT1
CONT1
1
CH1 IN1
2
SW1
4
SW2
24 CH1 OUT
23 PS
BIAS
3
CH1 IN2
BIAS
5
CH1 IN3
6
GND
7
V+1
BIAS
11
GND
12
CH2 IN3
BIAS
8
CH2 IN1
9
GND
BIAS
10
CH2 IN2
BIAS
75
Ω
DRIVER
6dB
AMP
22 CH2 OUT
75
Ω
DRIVER
6dB
AMP
21 V+2
20 CH3 OUT
19 GND
18 V–2
16 V–1
17 CH3 IN1
75
Ω
DRIVER
6dB
AMP
BIAS
15 CH3 IN2
BIAS
13 CH3 IN3
14 GND
BIAS
CONT2
15 VOUT2
16 V+
14 SW1
75
Ω
DRIVER
6dB
AMP
75
Ω
DRIVER
6dB
AMP
11 VOUT3
75
Ω
DRIVER
6dB
AMP
13 VIN1
12 GND
10 SW2
9 VIN2
3
VIN5
4
SW3
5
VIN4
6
SW4
7
VIN3
2
SW5
1
VOUT1
8
V–
IC201, IC203 NJM2595M-TE2 (A VIDEO BOARD)
STR-DH820
56
IC206 SN74HC595ANS (A VIDEO BOARD)
IC208 TC7W53F (TE12R) (A VIDEO BOARD)
16
VCC
14
S_IN
13
CE
12
LAT
11
CLK
10
RESET
15
QA
3R
3S
>C3
ID
R
>C1
3R
3S
>C3
1 QB
3R
3S
>C3
2 QC
3R
3S
>C3
3 QD
3R
3S
>C3
4 QE
3R
3S
>C3
5 QF
3R
3S
>C3
6 QG
3R
3S
>C3
7 QH
2S
2R
>C2
R
2S
2R
>C2
R
2S
2R
>C2
R
2S
2R
>C2
R
2S
2R
>C2
R
2S
2R
>C2
R
2S
2R
>C2
R
8 GND
9 S_OUT
COMMON
INH
VEE
GND
1
2
3
4
8 VCC
7 CH 0
6 CH 1
5 A
C
OUT
IN
C
OUT
IN
LOGIC
LEVEL
LEVEL
CONVERTER
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