Sony STR-KM7600 - Schematic Diagram - Standby DCDC Board

3434
STR-KM7600
STR-KM7600
R994
22 2W
R995
22 2W
STANDBY DCDC BOARD
1
3
4
5
6
7
8
9
2
EXCEPT EA
EXCEPT EA
1
3
5
7
AC IN FOR SUB PT
4P
AC IN (120V/240V
AFTER PRIMARY RY
120V/127VTO SUB PT
220V/240VTO SUB PT
CL929
CL930
CL931
CL932
EA
JW924
15mm
F920
15A 250V
JW925
JW926
20
EXCEPT EA
EA
4135
2
3
(MAIN)
5
2
POWER TRANSFORMER
5
3
4
4
3
2
T901
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
EA
R
AC SELECT
BOARD
CN912
(Page 47)
0.47
C998
25V
47
C999
IO
COM
KIA7812API-U/PF
IC992
16.9
0
12.1
50V
1
C924
RY920
1
25V
C926
1000
5.0
JW923
1
3
2P
CNP922
LIVE
NEUTRAL
16V
C923
3300
1
4
2P
CNP923
LIVE
NEUTRAL
2SC3052EF-T1-LEF
AC IN DETECT
Q920
22k
R924
47k
R925
0.1
C927
D922D921
D920
D923
0.1
C925
MA2J1110GLS0
D927
IC911
KIA78D05PI
+5V REG
MA2J1110GLS0
D925
MA2J1110GLS0
D924
R926
2.2k
2SC3052EF-T1-LEF
RELAY DRIVER
Q923
2SC3052EF-T1-LEF
Q921
R922
2.2k
2.2k
R927
2SB1132-T100-R
B+ SWITCH
Q922
47k
R928
R923
47k
C993
1000
12345
SI-8050S-LF1101
IC980
1.5k
R980
R992
470
C992
0.1
0.1
C981
35V
1000
C980
16V
1000
C982
12345
SI-8033S
IC990
R990
1.5k
680
R981
R991
680
RB060M-30TR
D980
100uH
L980
470
R982
RB051LA-40TR
35V
C990
1000
L990
100uH
D5SBA60-F
D903
C914
1000
25V
0.47
C918
J920
1
2
3
4
5
25V
47
C921
1
R929
25V
3300
C991
T921
POWER TRANSFORMER
(SUB)
1
3
4
5
6
7
8
9
2
1SR154-400TE-25
D913
1
2
3
4
4P
CNP904
R3 AC
NC
CENTER
R3 AC
250V
3.15A
F901
250V
3.15A
F902
25V
EXCEPT EA
470
C917
0.47
C919
IO
COM
KIA7807API-U/PF
IC910
1
2
3
4
5
5P
CN905
-R3
GND
GND
BLANK
+R3
CL921
CL922
CL923
CL924
CL925
CL926
CL927
CL933
CL934
CL928
VCC
GND
OUT
22k
R921
RB051LA-40TR
D911
RB051LA-40TR
D926
IO
G
MM1665ATRE
+5V REG
IC991
25V
47
C995
0.47
C994
0.1
C931
J921
C930
0.1
1k
R920
0.1MH
L981
0.1
C912
0.1
C911
1SS367-T3SONY
JW928
C971
0.47
C934
B920
(CHASSIS)
0.1
C972
0.47
JW933
5.0
5.0
JW932
D991
EA
D992
1SS367-T3SONY
D993
CL935 CL936 CL937 CL938 CL939 CL940 CL941 CL942 CL943 CL944 CL945 CL946 CL947
16.9 6.3 0 5.0 2.4
16.8 4.31 0 3.3 2.5
12.1
0
7.1
6.3
0
4.3
6.3
0
8.2
14.6
13.8
14.6
AC IN
DIGITAL BOARD
(1/4)
CN2102
(Page 39)
HDMI PC BOARD
(2/2)
CN3510
(Page 32)
K
VIDEO
BOARD
CN200
(Page 26)
B
L992
0.1MH
16V
1
15
3 4 5 6 7 8 9
10 11 12 13 14
+5V GND CN970 15P
+4V +5V
SW-PROTECTOR SUB-T(CEC) STOP (AC-OFF-DET) POWER RY
+4V
GND +6.2v +6.2v D_GND D_GND
+4V
100V
100V
+6.3V REG
+4V REG
SUB_PT_P4
SUB_PT_P3
NEUTRAL
SUB_PT_P1
SUB_PT_P7
SUB_PT_P8
SUB_PT_P6
T924
POWER TRANSFORMER
(SUB)
+7V REG+12 REG
OUT
OUT
SYSTEM CONTROL
DC5V
50mA MAX
CNP921
MAIN BOARD
(4/4)
CN553
(Page 24)
P
MAIN BOARD
(4/4)
CN554
(Page 24)
AC SELECT
BOARD
CN910
(Page 47)
Q
SUB-T CONTROL
RELAY
IC980
IC B/D
IC990
IC B/D
IC991
IC910IC992
IC911
V
FB901
FB900
1234567891011 141512 13
A
B
C
D
E
F
G
H
I
J
MAZ8030G0LS0
D995
10k
R993
B904
(CHASSIS)
RB051LA-40TR
D920, D921
D922, D923
15R154-400TE-25
D994
0.1
C933
0.1
C932
5-23. SCHEMATIC DIAGRAM — STANDBY DCDC BOARD — • Refer to page 48 for IC Block Diagrams.