Sony HT-DDW990 / STR-K990 Service Manual ▷ View online
29
29
STR-K990
STR-K990
5
1
1
2
16
17
S101
R101
IC101
FL101
S102
RV102
R102
S103
R103
S104
R104
S105
R105
S106
R106
CNP106
S107
R107
S108
R108
CN108
R109
S109
S110
R110
C110
S111
C111
S112
C112
C114
R115
C115
R116
R117
R118
R119
R120
C144
C147
C148
C149
C160
C162
C164
C165
R197
R198
JW134
JW164
JW116
JW125
JW160
JW150
JW153
JW139
JW110
JW115
JW149
JW158
JW127
JW133
JW102
JW103
JW168
JW124
JW152
JW148
JW138
JW147
JW167
JW142
JW157
JW120
JW109
JW163
JW114
JW167
JW142
JW157
JW120
JW109
JW163
JW114
JW123
JW146
JW113
JW145
JW137
JW145
JW137
JW126
JW169
JW169
JW162
JW166
C145
JW141
JW155
JW118
JW118
JW131
JW159
JW136
JW129
JW161
JW112
JW143
JW135
JW132
JW128
JW121
JW154
JW117
JW111
JW165
JW106
JW107
JW108
JW119
JW105
CN104
JW140
JW171
JW170
RV101
CNS100
TP102
TP103
JW173
JW172
JW1101
IC103
IC100
CL002
CL024
CL029
CL023
CL004
CL028
CL007
CL042
CL003
CL011
CL008
CL001
CL010
CL022
CL009
CL005
CL062
CL058
CL063
CL059
CL060
CL046
CL047
CL051
CL065
CL064
CL066
CL061
CL032
CL030
CL031
CL201
CL200
S100
S115
R111
JW180
CN103
SPEAKERS
(OFF/A/B/A+B)
I /
12
(12)
1-872-432-
12
(12)
1-872-431-
R
DCAC
BOARD
CN2000
CN2000
(5pin)
(Page 33)
M
MAIN
BOARD
CNP507
CNP507
(Page 24)
H
DIGITAL
BOARD
CNS513
CNS513
(Page 18)
2
1
1
3
4
4
5
(FLUORESCENT INDICATOR TUBE)
A.F.D
MOVIE
MUSIC
TUNING
TUNING
MODE
MEMORY/
ENTER
2CH
+
–
AUTO CAL
MUTING
3
1
DISPLAY
INPUT MODE
MASTER VOLUME
INPUT SELECTOR
POWER KEY BOARD
DISPLAY BOARD
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
14
4-15. PRINTED WIRING BOARDS – DISPLAY BOARD, POWER KEY BOARD –
:Uses unleaded solder.
• See page 14 for Circuit Boards Location.
30
30
STR-K990
STR-K990
4-16. SCHEMATIC DIAGRAM – DISPLAY BOARD, POWER KEY BOARD –
• See page 41 for IC Block Diagrams.
R
DCAC BOARD
CN2000
(5pin)
(Page 34)
No mark:FM
H
DIGITAL
BOARD
(4/5)
CNS513
(Page 22)
M
MAIN BOARD
(4/4)
CNP507
(Page 28)
50V
10
C115
1k
R105
220p
C110
0.1
C145
220p
C149
S106
MOVIE
S105
MUSIC
220p
C112
S112
MEMORY/ENTER
1
2
3
4
5
6
7
8
9
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
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
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
SEG17
GRID11
GRID10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
1.5k
R106
S102
AUTO CAL
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74ACT08P
IC101
S104
DISPLAY
330
R109
S109
S111
TUNING MODE
2.2k
R107
50V
C165
10
100
R115
S108
2CH
220
R101
S103
INPUT MODE
0.1
C160
470
R103
S101
MUTING
0.1
C162
RV102
82k
R118
220p
C147
220p
C164
220
R108
100
R116
470
R110
220p
C111
R120
10
1/4 W
680
R104
S107
A.F.D
0.1
C144
100
R119
100
R117
2
7
8
9
10
11
12
5
6
14
19
18
17
13
16
20
15
23
24
27
21
28
26
25
22
31
33
35
30
32
36
34
29
42
44
43
40
37
39
38
41
46
48
47
45
49
50
53
FL101
1
3
4
CN108
F1
F2
-20V
50V
C148 10
CL001
CL002
CL003
CL066
CL004
CL010
CL011
CL022
CL023
CL024
CL030
CL042
1
2
2P
CNP106
DCAC IN
DCAC IN
10
JW102
10
JW103
CL028
CL029
0.1
C114
5.0
JW107
5.0
JW108
5.0
JW106
12.5
JW105
1
2
3
4
5
5P
CN104
AD1
PW_SW
GND
TUNING-JOG-A
TUNING-JOG-B
RV101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CNS100
NC
GND
GND
+3.3V(STBY)
+5V
VOL_JOG(2A)
VOL_JOG(2B)
PW-SW
SIRCS
AD2
AD1
FL-LAT
FL-DIN
FL-CLK
INPUT JOG 4A
INPUT JOG 4B
DCAC IN
2.7
R197
2.7
R198
S110
VCC
OUT
GND
NJL24H400A
IC103
330
R102
6G
5P
10P
17P
10G
1G
6P
7P
9P
1P
16P
5P
4P
6P
8G
12P
3G
2G
2P
6G
13P
7P
3P
14P
8G
9G
10G
9G
13P
5G
11P
8P
8P
14P
3P
15P
12P
9P
16P
10P
15P
17P
5G
1P
11G
4G
7G
11P
7G
2P
4P
11G
1G
2G
3G
4G
DISPLAY BOARD
IC100
IC101
IC103
IC B/D
IC B/D
REMOTE
CONTROL
RECEIVER
CONTROL
RECEIVER
BUFFER
FL DRIVE
MASTER VOLUME
INPUT
SELECTOR
(FLUORESCENT INDICATOR TUBE)
3.3
+
-
TUNING
-17.1
-17.2
2.9
-13.5
-17.1
-17.1
-17.1
-17.1
-17.1
-17.1
-17.2
-17.1
5
0
5
5
-16.9
-16.9
-13.6
-12
-15.5
-12.2
-15.6
-10.7
5
-17.2
-17.2
-19.1
-18.7
-13.8
-15.5
-18.7
-15.4
-17
-17
3.3
5
5
5
3.3
5
5
5
5
0
0
3.3
5
S100
S115
680
R111
1
2
3
4
5
5P
CN103
AD1
PW_SW
GND
TUNING-JOG-A
TUNING-JOG-B
/
SPEAKERS
(OFF/A/B/A+B)
POWER KEY BOARD
3
2
1
17P
4P
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
A
B
C
D
E
F
G
H
31
31
STR-K990
STR-K990
CL902
CL901
CL003
R4002
CL002
R4001
CL004
C4004
C4006
CL001
R4000
FH4001
C4002
FH4002
C4003
C4005
IC4001
D4803
L4000
L4001
D4001
CN4103
FH4003
FH4004
CN4001
JW4002
JW4008
JW4007
JW4003
JW4009
JW4010
JW4011
F4001
F4002
R810
R811
Q901
Q921
CNP804
R902
R903
R904
R901
R922
R923
FH901
FH902
C913
C914
C915
C916
C920
C921
C922
C924
RY901
C950
D901
CNP901
CNP902
JW913
JW912
CNP805
JW904
JW901
JW917
B900
D911
D913
D912
D910
D914
D915
R921
JW908
JW910
G901
(CHASSIS)
JW919
CNP903
D920
D921
D923
D922
JW916
CNP802
JW920
JW921
JW915
JW905
J
MAIN
BOARD
CNP801
CNP801
(Page 24)
K
MAIN
BOARD
CNP802
CNP802
(Page 24)
C
DIGITAL
BOARD
CNP505
CNP505
(1pin to 5pin)
(Page 18)
E
DIGITAL
BOARD
CNP512
CNP512
(Page 18)
N
MAIN
BOARD
CN915
(Page 24)
T901
POWER TRANSFORMER
(MAIN)
T902
POWER TRANSFORMER
(SUB)
AC
IN
IN
3
1
3
1
1
1
5
6
1
3
DCDC BOARD
STANDBY
BOARD
1
1
5
2
4
3
2
11
(11)
1-872-427-
12
(12)
1-872-434-
4
1
8
6
F901
(CHASSIS)
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
4-17. PRINTED WIRING BOARDS – STANDBY BOARD, DCDC BOARD –
:Uses unleaded solder.
• See page 14 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D901
H-4
D910
G-6
D911
H-6
D912
G-6
D913
G-6
D914
G-6
D915
G-6
D920
E-5
D921
E-5
D922
E-5
D923
E-5
D4001
E-10
D4803
H-9
IC4001
I-9
Q901
H-6
Q921
E-5
32
32
STR-K990
STR-K990
4-18. SCHEMATIC DIAGRAM – STANDBY BOARD, DCDC BOARD –
E
DIGITAL
BOARD
(1/5)
CNP512
(Page 19)
MAIN
BOARD
(4/4)
CNP801
(Page 28)
J
MAIN
BOARD
(4/4)
CNP802
(Page 28)
K
0.8
0.6
0.2
0
No mark:FM
17.2
6.4
5.1
2.4
No mark:FM
N
MAIN
BOARD
(4/4)
CN915
(Page 28)
E
C
DIGITAL
BOARD
(4/5)
CNP505
(1pin to 5pin)
(Page 22)
(CHASSIS)
10EDB40-TA2B5
D910
10EDB40-TA2B5
D911
10EDB40-TA2B5
D912
10EDB40-TA2B5
D913
10EDB40-TA2B5
D920
10EDB40-TA2B5
D921
10EDB40-TA2B5
D922
10EDB40-TA2B5
D923
1/2W
0.22
R810
1/2W
1/4W
0.22
R811
0.1
C913
0.1 C914
0.1
C920
0.1
C922
0.1
C921
50V
1
C924
47k
R921
22k
R922
10k
R923
3.3M
R901
G901
2.2k
R903
1
R904
1SS133T
-72
D901
1SS133T-72
D914
1SS133T-72
D915
2SC1740S-QRT
Q901
2SC1740S-QRT
Q921
47k
R902
1
2
2
2P
CNP902
LIVE
NEUTRAL
FH901
FH902
RY901
JW908
1
2
3
3P
CNP805
R2 AC
R2 GND
R2 AC
1
2
3
3P
CNP804
R2 AC
R2 GND
R2 AC
1
2
3
4
5
5P
CNP903
+15V
STOP
GND
+9V STANDBY
POWER RELAY
25V
1000
C916
1
3P
CNP901
LIVE
L
N
NEUTRAL
1
3
4
8
6
POWER TRANSFORMER
T902
(SUB)
16V
3300
C950
25V
2200
C915
1
2
3
4
5
6P
CNP802
R2 RETURN GND
-15V
STBY GND
R2 GND IN
+15V
6
7.5
JW905
F901
5A/125V
STANDBY BOARD
RELAY DRIVE
AC DET
1
2
3
4
5
SI-8050S-LF1101
IC4001
35V
3300
C4002
FH4001
FH4002
CL003
CL004
0.1
C4004
0.47
C4006
680
R4002
1.5k
R4000
470
R4001
16V
1000
C4005
RK36LF-B3
D4803
100uH
L4000
100uH
L4001
1
2
3
CN4103
3P
DGND
+6.3V
+4.1V
D3SB60F3
D4001
FH4003
FH4004
1
2
3
3P
CN4001
AC-R2-17V
GND
AC-R2-17V
35V
1000
C4003
DCDC BOARD
IC4001
F4001
T3.15AL/250V
F4002
T3.15AL/250V
+6.3V REG
AC IN
POWER TRANSFORMER
T901
(MAIN)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
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