Sony STR-KM22 - Printed Wiring Board - SUB RECTIFIER Board (KM55, KM77); Schematic Diagram - SUB RECTIFIER Board (KM55, KM77)

STR-KM22/KM55/KM77
STR-KM22/KM55/KM77
4040
5-24. PRINTED WIRING BOARD – SUB RECTIFIER Board (KM55, KM77) –
• See page 14 for Circuit Boards Location. • : Uses unleaded solder.
5-25. SCHEMATIC DIAGRAM – SUB RECTIFIER Board (KM55, KM77) –
1
A
B
C
D
E
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
R941
D931
16
CN931
C941
B931
R942
HS932
1717
CN932
C942
C943 C944
R944
16
CNP931
F931
F932
RY931
D932
Q931
EB
CL937
CL938
CL939
CL943
CL944
CL941
CL932
CL931
CL940
CL933
CL942
CL935
CL934
CL936
(KM55, KM77)
SUB RECTIFIER BOARD
(CONDUCTOR SIDE)
1-889-214-
12
(12)
(KM55, KM77)
SUB RECTIFIER BOARD
(COMPONENT SIDE)
1-889-214-
12
(12)
(CHASSIS)
>002P
MAIN BOARD
CN955
(Page 21)
>005P
MAIN BOARD
CN957
(Page 21)
>015P
MAIN BOARD
CN956
(Page 21)
>017P
POWER
TRANSFORMER
(MAIN)
T901
(Page 38)
1
A
B
C
D
2 3 4 5 6 78
SUB RECTIFIER BOARD
1
3
4
5
6
1
3
4
5
6
7
1
2
3
4
5
6
CL933
CL932
CL931
CL934
D932
D5SBA60-F
C941
0.22
C942
0.22
CL936
F931
F932
6.3A 250V
6.3A 250V
RY931
12
3
5
6
8
7
4
D931
DA2J10100L
CL935
Q931
R944 1
RELAY DRIVER
2PD601ART
CL937
CL938
CL939
CL940
CL941
CL942
5P
CNP931
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 GND
R1 (LOWER TAP)
R1 (UPPER TAP)
C944
4700
C943
4700
CL943
CL944
47k
R941
2.2k
R942
CN932
6P
+B_R1_COIL2
GND
-B_R1_COIL2
+B_R1_COIL2
+B_R1_COIL2
-B_R1_COIL2
CN931
6P
BRIDGE_RY
GND_RY
NC
+13V
SW1_GND
SW2_GND
>003S
MAIN BOARD
(1/9)
CN957
(Page 23)
>015S
MAIN BOARD
(3/9)
CN955
(Page 25)
>060S
POWER
TRANSFORMER
(MAIN)
T901
(Page 39)
>006S
MAIN BOARD
(1/9)
CN956
(Page 23)
KM55, KM77
B931
MECHANICAL
HS932
0.2
0.8
Ver. 1.1