Sony HT-DDW995 / STR-K995 Service Manual ▷ View online
33
33
STR-K995
STR-K995
4-19. SCHEMATIC DIAGRAM – STANDBY BOARD, DCDC BOARD –
E
DIGITAL
BOARD
(4/5)
CNP512
(Page 23)
HDMI RE
BOARD
(2/2)
CN3509
(Page 40)
MAIN
BOARD
(4/4)
CNP801
(Page 29)
J
MAIN
BOARD
(4/4)
CNP802
(Page 29)
K
0.8
0.6
0.2
0
No mark:FM
17.2
6.4
5.1
2.4
No mark:FM
14.9
6.8
14.2
14.2
0
17.2
4.1
4
2.4
N
MAIN
BOARD
(4/4)
CN915
(Page 29)
E
S
C
DIGITAL
BOARD
(4/5)
CNP505
(1pin to 5pin)
(Page 23)
(CHASSIS)
AK04V1
D910
AK04V1
D911
AK04V1
D912
AK04V1
D913
10EDB40-TA2B5
D920
10EDB40-TA2B5
D921
10EDB40-TA2B5
D922
10EDB40-TA2B5
D923
1/2W
0.22
R810
1/2W
0.22
R811
0.1
C913
0.1
C914
0.1
C920
0.1
C922
0.1
C951
0.1
C921
50V
1
C924
47k
R921
22k
R922
10k
R920
R923
3.3M
1/2W
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
JW909
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
7
6
POWER TRANSFORMER
T903
(SUB)
25V
2200
C915
1
2
3
4
5
6P
CNP802
R2 RETURN GND
-15V
STBY GND
R2 GND IN
SUB-T
+15V
6
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
0.1
C4102
0.47
C4006
C4006
0.47
C4007
680
R4002
470
R4101
680
R4102
1.5k
R4000
1.5k
R4100
470
R4001
16V
1000
C4005
RK36LF-B3
D4803
100uH
L4000
100uH
L4101
100uH
L4100
100uH
L4001
1
2
3
4
CN4103
4P
D_GND
+6.3V
+4.1V
1
2
3
4
+6.3V
NC
NC
D_GND
D4001
FH4003
FH4004
1
2
3
3P
CN4001
AC-R2-17V
GND
AC-R2-17V
35V
1000
C4003
16V
1000
C4103
35V
1000
C4100
DCDC BOARD
IC4001
F4001
T3.15AL/250V
F4002
T3.15AL/250V
+6.3V REG
1
2
3
4
5
SI-8033S
IC4100
IC4100
+4.1V REG
AC IN
POWER TRANSFORMER
T901
(MAIN)
2.2k
C954
16V
6800
C952
25V
1000
2SC2785TP
SWITCH
Q923
2SB733-T
REG
Q922
5
6
7
D_GND
NC
+4.1V
+4.1V
CN4101
7P
0.47
C4010
AK04V1
D924
RK36LF-B3
D4804
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
34
34
STR-K995
STR-K995
4-20. PRINTED WIRING BOARDS – DCAC BOARD, VIDEO3 BOARD –
:Uses unleaded solder.
• See page 14 for Circuit Boards Location.
IC2000
4
C2014
CN2000
C2006
C2013
C2002
B2000
TP2001
A001
JW2000
JW2001
R2015
R2016
R2007
R2005
C2018
C2001
C2008
R2017
D2013
R2000
R2019
R2003 C2003
R2010
R2008
D2014
C2011
R2006
C2012
C2010
R2001
C2005
R2018
CL2006
CL2007
CL2005
CL2004
CN201
CN202
R298
R299
C293
C294
C298
C299
5
1
12
(12)
12
(12)
DCAC BOARD
VIDEO3
BOARD
BOARD
AUTO CAL MIC
AUDIO
VIDEO
VIDEO3 IN / PORTABLE AV IN
(CHASSIS)
J2000
1-872-426-
1-872-425-
R
L
J298
VIDEO
BOARD
CNP202
(Page 36)
MAIN
BOARD
CNP503
(Page 25)
Q
L
R
P
MAIN
BOARD
CN506
(Page 25)
DISPLAY
BOARD
CNP106
(Page 30)
1
2
A
B
C
D
3
4
5
6
7
8
9
35
35
STR-K995
STR-K995
4-21. SCHEMATIC DIAGRAM – DCAC BOARD, VIDEO3 BOARD –
L
R
MAIN
BOARD
(4/4)
CN506
(Page 29)
DISPLAY
BOARD
CNP106
CNP106
(Page 31)
P
Q
MAIN
BOARD
(1/4)
CNP503
(Page 26)
VIDEO
BOARD
CNP202
CNP202
(Page 37)
0
7
00
00
-7
0
No mark:FM
(CHASSIS)
J2000
1
2
3
CL2005
50V
1
C2013
50V
1
C2002
CL2006
CL2004
CL2007
50V
1
C2006
50V
0.47
C2014
1
4
3
5
CN2000
5P
+7V
+/-7V_GND
-7V
DCAC_OUT
1.2k
R2018
1k
R2000
1k
R2006
10k
R2001
10k
R2003
10k
R2010
33k
R2015
15k
R2016
10k
R2007
560k
R2008
1M
R2005
0.1
C2018
100p
C2001
33p
C2005
50V
0.022
C2011
0.022
C2012
0.033
C2003
0.033
C2010
56p
C2008
8
7
6
5
4
3
2
1
NJM4565M(TE2)
IC2000
2.2k
R2017
2.2k
R2019
1SS355TE-17
D2014
1SS355TE-17
D2013
DCAC BOARD
AUTO CAL MIC
IC2000
AMP
220p
C298
220p
C299
0.1
C293
0.1
C294
1k
R298
1k
R299
V
L
R
J298
1
2
3
4
5
5P
CN201
R-CH
GND
L-CH
GND
VIDEO
(CHASSIS)
CN202
R
L
VIDEO
AUDIO
VIDEO3 IN/
PORTABLE AV IN
PORTABLE AV IN
VIDEO 3
BOARD
JW2000
JW2001
2
NC
C2205
0.001
TP2000
36
36
STR-K995
STR-K995
4-22. PRINTED WIRING BOARDS – VIDEO BOARD, HEADPHONE BOARD –
:Uses unleaded solder.
• See page 14 for Circuit Boards Location.
CL086
CL087
CL088
CL085
CL089
CL090
R218
R219
R220
R221
C206
C207
C208
C209
C210
C213
C214
C215
C220
C221
C223
C224
D204
IC203
CNP202
IC804
IC807
R301
R304
R305
R306
R307
R308
R309
C308
C309
C310
C311
C312
C313
C341
C337
TP200
C330
C331
C338
IC304
R200
JW233
JW227
JW208
JW207
JW209
JW244
JW241
JW210
JW230
JW221
R201
B200
R310
R311
R312
C314
C315
C316
JW222
R302
R303
JW224
JW225
JW212
JW219
JW214
JW228
JW235
JW229
JW240
D203
JW217
JW213
JW245
JW220
JW223
JW204
JW205
JW206
CNS206
JW236
TP201
JW234
JW216
CNP203
TP790
C790
C791
JW791
BT700
CNP790
CL072
CL073
CL074
CL071
3
3
1
1
2
7
6
2
1
2
G
G
VIDEO IN
VIDEO IN
VIDEO OUT
VIDEO IN
VIDEO OUT
SAT
DVD
VIDEO 1
MONITOR
Y
P
B
/ C
B
P
R
/ C
R
COMPONENT VIDEO
MONITOR OUT
DVD IN
SAT IN
PHONES
VIDEO 1 IN
A
MAIN
BOARD
CN505
(Page 25)
VIDEO3
BOARD
CN201
(4,5pin)
(Page 34)
DIGITAL
BOARD
CNS509
(Page 19)
O
Q
1-872-437-
1-872-433-
(CHASSIS)
13
(13)
13
(13)
MAIN
BOARD
CN792
(Page 25)
I
J301
J201
J200
J302
J790
VIDEO BOARD
HEADPHONE BOARD
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
• Semiconductor
Location
Ref. No.
Location
D203
C-3
D204
D-3
IC203
D-4
IC304
D-6
IC804
E-4
IC807
E-5
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