Sony STR-DH520 Service Manual ▷ View online
STR-DH520
STR-DH520
37
37
4-25.
PRINTED WIRING BOARD – DCDC Board –
• 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
IC1600
IC1500
C1506
C1606
A1501
CN1501
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
K
STANDBY-A
VIDEO MT PC
BOARD
CN904
(Page 30)
L
HDMI RE PC
BOARD
CN3510
CN3510
(Page 32)
DCDC BOARD
(SIDE A)
(SIDE A)
1-883-236-
11
(11)
DCDC BOARD
(SIDE B)
(SIDE B)
1-883-236-
11
(11)
(CHASSIS)
Ver. 1.1
STR-DH520
STR-DH520
38
38
4-28. SCHEMATIC DIAGRAM – HEADPHONE Board –
4-26. SCHEMATIC DIAGRAM – DCDC 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
R-CH
GND
L-CH
470p
C792
470p
C793
SIGN2
SIGN1
J790
PHONES
A
MAIN
BOARD
(2/4)
CN391
(Page 21)
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
J
HDMI RE PC
BOARD
(2/3)
CN3510
(Page 35)
I
STANDBY-A
VIDEO
MT PC
MT PC
BOARD
CN904
(Page 31)
4-27.
PRINTED WIRING BOARD – HEADPHONE Board –
• See page 11 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
2
3
4
5
6
7
TP790
J790
1
5
3
CN790
C792
C793
CL790
CL792
CL793
CL791
HEADPHONE BOARD
1-881-045- 13
(13)
PHONES
C
MAIN
BOARD
CN391
(Page 19)
Ver. 1.1
STR-DH520
STR-DH520
39
39
4-29.
PRINTED WIRING BOARDS – PANEL Section –
• 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
C
C
B
B E
JR
RV102
TP153
C168
R120
R121
R198
R199
14
2
15
1
CNS106
JS105
JW159
JW119
JW141
JW110
JW125
JW1
18
JW126
JW129
JW107
JW1
12
JW150
JW109
JW143
JW168
JW115
JW104
JW111
JW1
14
JW123
JW124
JW128
JW131
JW133
JW135
JW142
JW160
JW161
JW155
JW113
O
VCC
JW136
T101
JW149
JW153
1
54
2
53
5
50
1
53
CN101
C167
JW122
JW100
S101
S102
S103
S104
S105
S106
S107
S108
S109
S110
S124
C105
C161
C162
FL101
VACUUM FLOURESCENT DISPLAY
RV180
S121
S180
1
4
CNP180
D141 D142
D107
23
33
22
34
12
44
1
11
R153 D105
R152
C164
Q101
C165
C163
R151
C1
14
R1
19
C100
R118
C101
C112
C111
C1
10
R115
R116
R1
17
C106
R107
R106
R105
R104
R103
R102
R101
R108
R109
R131
R130
JW102
FB151
C107
CL114
CL109
CL105
CL115
CL113
CL117
CL112
CL116
CL104
CL125
CL127
CL129
CL128
CL126
CL177
CL163
CL184
CL187
CL171
CL182
CL168
CL118
CL181
CL167
CL188
CL172
CL183
CL169
CL164
CL179
CL165
CL190
CL174
CL189
CL173
CL180
CL166
CL191
CL175
CL170
CL110
CL162
CL161
CL192
CL193
CL178
CL185
CL186
CL158
CL154
CL156
CL155
CL157
CL160
CL159
CL153
CL151
CL150
CL152
CL176
CL108
CL107
CL111
C108
C109
C144
C166
R185
R186
R180
C180
C181
CL121
CL122
CL120
CL119
L106
IC103
IC100
DISPLAY BOARD
1-881-049-
13
(13)
MUTING
DIMMER
DISPLAY
MUSIC
MOVIE
HD-D.C.S.
A.F.D.
2CH/A.DIRECT
MEMORY/ENTER
TUNING +
TUNING –
TUNING
MODE
MASTER
VOLUME
H
DIGITAL
BOARD
CN2061
CN2061
(Page 24)
(CHASSIS)
POWER KEY BOARD
1-881-046-
13
(13)
INPUT
MODE
&
/1
INPUT
SELECTOR
STR-DH520
STR-DH520
40
40
4-30. SCHEMATIC DIAGRAM – PANEL Section –
• See page 18 for Waveforms. • See page 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
DISPLAY BOARD
POWER KEY BOARD
-22 -23 -24 -24 -24 -24 -16 -24 -16 -20 -22
3.3
0
0
0 1.8 1.7
0 3.3
3 0.7 0.7
-16
-24
-20
-20
-14
-20
-16
-24
-16
3.3
-22
-22
-22
-22
-22
-22
-22
-22
-22
3.3
3.3
3.3
0
4
0
4
S107
MEMORY/
ENTER
10 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
9
8
7
6
5
4
3
2
1
34
35
36
37
38
39
40
41
42
43
44
35
36
37
38
39
40
41
42
43
44
PT6315
IC100
SW1
SW2
SW3
SW4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
SEG17
GRID1
1
GRID10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
CL107
CL108
CL109
CL110
CL108
CL109
CL110
CL111
CL112
CL113
CL114
CL115
CL116
CL117
CL113
CL114
CL115
CL116
CL117
CL125
CL127
CL128
CL127
CL128
RV102
1
2
3
CL105
CPH5504-TL-E
Q101
0.022
C163
4700p
C164
0.01
C165
33k
R152
100
R153
R121
10
82k
R118
R1
15
100
100
100
R1
16
R1
17
100
R119
C106
2200p
C114
0.22
C110
C111
220p
220p
220p
C112
CL129
10V
100
C168
1
R199
1
R198
CL104
CL118
CL150
CL151
CL152
CL153
CL155
CL159
CL160
1k
R151
10
JS105
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CNS106
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
NC
R101
1k
R102
2.2k
2.2k
R103
4.7k
R104
10k
R105
22k
R106
47k
R107
1k
R108
2.2k
R109
MC2837
D142
MC2837
D141
FB151
1kohm
2
3
5
6
8
7
1
4
9
FL101
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
2
53 54
1
6
5
8
9
7
35V
47
C167
VCC
OUT
GND
GP1UE274RKC1
IC103
1
3
4
5
3
4
5
CN101
5P
AD1
PW_SW
DGND
INPUT_JOG
1SR154-400TE-25
D107
C107
2200p
R120
10
CL154
CL156
CL157
CL158
CL161
CL162
CL163
CL164
CL165
CL166
CL167
CL168
CL169
CL170
CL171
CL172
CL173
CL174
CL175
CL176
CL177
CL178
CL179
CL180
CL181
CL182
CL183
CL184
CL185
CL186
CL187
CL188
CL189
CL190
CL191
CL184
CL185
CL186
CL187
CL188
CL189
CL190
CL191
CL192
CL193
22k
R131
10k
R130
DZ2J051M0L
D105
C109
0.1
C108
0.1
0.1
C144
0.1
C166
47uH
L106
0.1
C100
0.1
C101
50V
10
C161
50V
C162
10
50V
C105
10
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
11G
9P
7P
2P
1P
7G
3P
17P
16P
15P
14P
13P
12P
11
P
8P
7P
6P
5P
4P
3P
2P
1P
7P
6P
5P
4P
3P
2P
1P
15P
4G
13P
11
P
10P
4P
9P
10P
5P
14P
4G
16P
2G
5G
12P
6G
8P
10G
1G
3G
8G
9G
AD1
AD2
6P
11
G
17P
MASTER VOLUME
S106
2CH/
2CH/
A.DIRECT
S105
A.F.D
A.F.D
S124
MOVIE/
HD-D.C.S.
S104
MUSIC
S103
DISPLAY
S102
DIMMER
S101
MUTING
S108
TUNING +
S109
TUNING -
S110
TUNING MODE
RV180
1
2
3
C180
2200p
2.2k
R180
CL119
CL120
CL121
CL122
CL120
CL121
CL122
C181
2200p
22k
R185
10k
R186
1
2
3
4
2
3
4
4P
CNP180
AD1
PW_SW
DGND
Input Jog
PW_SW
DGND
Input Jog
S121
INPUT MODE
INPUT
SELECTOR
S180
"/1
F
DIGITAL
BOARD
(2/4)
CN2061
(Page 27)
REMOTE CONTROL
SIGNAL RECEIVER
IC103
IC100
FL DISPLAY DRIVER
IC B/D
SWITCHING
TRANSISTOR
CONVERTER
TRANSFORMER
T101
6
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