Sony HT-DDW995 / STR-K995 Service Manual ▷ View online
29
29
STR-K995
STR-K995
4-15. SCHEMATIC DIAGRAM – MAIN BOARD (4/4) –
O
VIDEO
BOARD
CNP203
(Page 37)
U
DIGITAL
BOARD
(4/5)
CNP506
(Page 23)
L
DCAC
BOARD
CN2000
(1pin to 4pin)
(Page 35)
M
B
DISPLAY BOARD
CN108
(Page 31)
DIGITAL BOARD
(4/5)
CNP505 (6,7pin)
(Page 23)
N
STANDBY BOARD
CNP802
(Page 33)
K
POWER
TRANSFORMER
T901
(Page 33)
POWER
TRANSFORMER
T901
(Page 33)
J
0
0.8
7
-7
17
-16.5
-21.9
-46
-22.5
0.8
0.2
No mark:FM
J309
2200p
C400
47k
R470
220
R802
1SS355WTE-17
D560
2SC3052EF-T1-LEF
Q560
47k
R533
10k
R532
I
I
O
O
G
G
TA7807S
IC801
25V
47
C807
25V
47
C808
1SR154-400TE-25
D896
TA79007S
IC802
16V
3300
C832
1SR154-400TE-25
D805
1SR154-400TE-25
D806
1SR154-400TE-25
D807
1SR154-400TE-25
D808
35V
47
C822
35V
47
C801
35V
47
C802
10k
R804
22k
R806
4.7
R803
2SB734-T-34
Q801
D6SBN20-7003
D802
100V
0.22
C805
100V
0.22
C806
100k
R468
1k
R469
RY560
1
3
4
5
6
7
8
9
CNP913
PROTECTOR
FRONT A RY
SB/CTR/REAR RY
HP CTRL
HP RY
WOOFER RY
FRONT B RY
BRIDGEABLE RY
10
SUB-T
2SC3052EF-T1-LEF
Q809
82
R830
D818
2.2k
R824
1
2
3
4
5
5P
CNP801
R1 (SIDE1)
R2 (SIDE2)
GND
R2 (SIDE2)
R1 (SIDE1)
RY801
1
2
3
4
5
6
6P
CNP802
F1
NC
GND
F2
-R4
+R4
71V
6800
C803
71V
6800
C804
1
2
3
CNP912
+7V (R4)
NC
GND (R4)
1
2
3
4
4P
CNP507
F1
NC
F2
-20V
1
3
4
CN505
+15V
GND
-15V
1
3
4
4P
CN506
+7V
GND
-7V
100V
0.1
C809
50V
0.47
C830
50V
0.47
C831
0.47
C811
0.47
C810
UDZSTE-1722B
D801
PTZ-TE25-5.6B
D804
1
3
4
5
6
5P
CN915
R2 RETURN GND
-15V
STBY GND
R2 GND
+15V
7
SUB-T
50V
4.7
C471
1/2W
0.15
R910
61
66
68
55
62
64
69
69
+7V
1
2
38
36
37
34
35
33
31 32
RELAY DRIVE
IC801
IC802
+7V REG
-7V REG
-20V REG
SYSTEM
GND
WP101
WP102
1SS355WTE-17
RELAY DRIVE
4P
9P
3P
SUBWOOFER
AUDIO OUT
(4/4)
MAIN BOARD
1
2
1
2
3
3
3
MAIN BOARD
(1/4)
(Page 26)
5
MAIN BOARD
(3/4)
(Page 28)
30
30
STR-K995
STR-K995
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
R122
E
Q110
R131
D105
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 /
13
(13)
1-872-432-
13
(13)
1-872-431-
R
DCAC
BOARD
CN2000
CN2000
(5pin)
(Page 34)
M
MAIN
BOARD
CNP507
CNP507
(Page 25)
H
DIGITAL
BOARD
CNS511
CNS511
(Page 19)
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
4-16. PRINTED WIRING BOARDS – DISPLAY BOARD, POWER KEY BOARD –
:Uses unleaded solder.
• See page 14 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D105
B-10
IC100
C-10
IC101
C-9
IC103
D-7
Q110
B-7
31
31
STR-K995
STR-K995
4-17. SCHEMATIC DIAGRAM – DISPLAY BOARD, POWER KEY BOARD –
• See page 44 for IC Block Diagrams.
R
DCAC BOARD
CN2000
(5pin)
(Page 35)
No mark:FM
H
DIGITAL
BOARD
(5/5)
CNS511
(Page 24)
M
MAIN BOARD
(4/4)
CNP507
(Page 29)
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
680
R104
S107
A.F.D
0.1
C144
100
R119
100
R117
2.2K
R131
75
R122
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
2
1
3
4
CN108
F1
F2
NC
-20V
50V
C148 10
CL001
CL002
CL003
CL066
CL004
CL010
CL011
CL022
CL023
CL024
CL030
CL042
1
2
2P
CNP106
DCAC IN
DCAC IN
JW102
JW103
CL028
CL029
0.1
C114
JW107
JW108
JW106
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
3.6
0
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
2SC1740S-QRT
Q110
LCD SW
SELK5E20C-DTP15
D105
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
32
32
STR-K995
STR-K995
IC4100
IC4001
CL902
CL901
CL003
R4002
CL002
R4001
CL004
C4004
C4006
CL001
R4000
FH4001
C4002
FH4002
C4003
C4005
D4803
L4000
L4001
D4001
CN4103
FH4003
FH4004
CN4001
JW4002
JW4008
JW4007
JW4003
JW4009
JW4010
JW4011
F4001
F4002
CN4101
C4100
C4103
R4100
C4102
D4804
L4100
L4101
R4101
R4102
R810
R811
Q901
Q921
CNP804
R902
R903
R904
R901
R922
R923
FH901
FH902
C913
C914
C915
C916
C920
C921
C922
C924
RY901
D901
CNP901
CNP902
JW913
JW912
CNP805
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 25)
K
MAIN
BOARD
CNP802
CNP802
(Page 25)
C
DIGITAL
BOARD
CNP505
CNP505
(1pin to 5pin)
(Page 19)
E
DIGITAL
BOARD
CNP512
CNP512
(Page 19)
S
HDMI RE
BOARD
CNP3509
(Page 38)
N
MAIN
BOARD
CN915
(Page 25)
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
4
3
12
(12)
1-872-427-
13
(13)
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
1
1
3
7
5
2
4
4-18. 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
D4804
G-9
IC4100
G-9
IC4001
I-9
Q901
H-6
Q921
E-5
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