Schematic Diagram - Standby Board, Dcdc Board - Sony STR-K995 Service Manual

Q Q
4-19. SCHEMATIC DIAGRAM – STANDBY BOARD, DCDC BOARD –
3 7 6 3 1 5 1 5 0
1 2
A
STANDBY BOARD
B
CNP802
6P
SUB-T
6
+15V
5
R2 GND IN
4
N
STBY GND
3
MAIN
-15V 2
C BOARD
R2 RETURN GND 1
(4/4)
CN915
(Page 29)
CNP903
5P
D
+15V 1
C
STOP 2
DIGITAL
GND 3
BOARD
+9V STANDBY 4
T E
L 1 3 9 4 2 2 9 6 5 1 3
(4/5)
POWER RELAY 5
CNP505
(1pin to 5pin)
(Page 23)
E
Q921
2SC1740S-QRT
AC DET
0
F
0.6
G
0
H
w w w
STR-K995
3 4 5
R810
0.22
1/2W
D920 D923 C913
0.1
10EDB40-TA2B5
10EDB40-TA2B5
C915
2200
D921 D922
25V
10EDB40-TA2B5
10EDB40-TA2B5
C916
R811
1000
0.22
25V
C914 1/2W
0.1
Q901 FH901
2SC1740S-QRT
RELAY DRIVE
0.2
R903
2.2k 0.8
R902
47k
RY901
R904
1
D910
AK04V1 JW905
D911
C920
JW909
AK04V1 0.1
D912
6 4
AK04V1
7 3
D913 C921
AK04V1 0.1
D914
1SS133T-72
C924
R922
1
8 1
22k
50V
D915
R921
R923 1SS133T-72
T903
47k
10k
POWER TRANSFORMER
(SUB)
Q922
2SB733-T
REG
14.9
D924
14.2
AK04V1
R920
2.2k
6.8
C951
0.1
14.2
C954 C952
Q923
6800 1000
2SC2785TP
16V 25V
SWITCH
x a o
y
. i
http://www.xiaoyu163.com
6 7 8
DCDC BOARD
CN4001
CNP804
3P
3P
1 R2 AC AC-R2-17V 1
2 R2 GND GND 2
AC-R2-17V 3
3 R2 AC
CNP805
3P
1 R2 AC
2 R2 GND
3 R2 AC
F901 CNP902
5A/125V 2P
FH902
1 LIVE
2 NEUTRAL
CNP901
3P
1 LIVE L
AC IN
Q Q
2 NEUTRAL
N 3 7 6
C922
0.1
R901
3.3M
G901
1/2W
(CHASSIS)
POWER TRANSFORMER
(MAIN)
No mark:FM
u 1 6 3
.
33 33
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2 4
8 9 9
9 10 11
IC4001
SI-8050S-LF1101
IC4001
+6.3V REG
1 2 3 4
F4001
T3.15AL/250V
FH4001 FH4002
D4001
CL003
L4000
100uH
CL004
F4002
T3.15AL/250V
FH4003 FH4004
C4002
C4003
3300
1000
35V
35V
D4803
RK36LF-B3
IC4100
+4.1V REG
IC4100
SI-8033S
1 2 3 4
L4100
100uH
C4100
D4804
1000
RK36LF-B3
35V
3 1 5 1 5 0 8 9 2
T901
m
c o
STR-K995
2
8 9 9
12 13 14
CN4101
7P
1 +6.3V
NC
2
S
NC
3
HDMI RE
4
D_GND
BOARD
5 D_GND
5
(2/2)
6 +4.1V
CN3509
L4001
100uH +4.1V
7
(Page 40)
C4006 C4006
0.47
1 D_GND
2 NC
R4001
E E
470
3 +6.3V
DIGITAL
4
+4.1V
C4005
BOARD
1000
R4002
16V
CN4103
680 (4/5)
4P
CNP512
C4007
0.47
(Page 23)
C4010
0.47
5
L4101
100uH
R4101 470
R4102 680
C4102
0.1
C4103
1000
4 9 8 2 9 9
16V
No mark:FM
J
MAIN
BOARD
(4/4)
CNP801
(Page 29)
K
MAIN
BOARD
(4/4)
CNP802
(Page 29)