Printed Wiring Board - Sub Rectifier Board (Km55, Km77); Schematic Diagram - Sub Rectifier Board (Km55, Km77) - Sony STR-KM22 Service Manual

STR-KM22/KM55/KM77
Ver. 1.1
5-24. PRINTED WIRING BOARD – SUB RECTIFIER Board (KM55, KM77) –
1 2 3
A
SUB RECTIFIER BOARD
(COMPONENT SIDE)
(KM55, KM77)
B
RY931
>002P
MAIN BOARD
R944
C CN955
(Page 21)
>005P
MAIN BOARD
D932
CN957
(Page 21)
HS932
>015P
MAIN BOARD
D
CN956
(Page 21)
C943 C944
B931
E
(CHASSIS)
5-25. SCHEMATIC DIAGRAM – SUB RECTIFIER Board (KM55, KM77) –
1 2 3
A
SUB RECTIFIER BOARD
KM55, KM77
D932 F931
6.3A 250V
D5SBA60-F
MAIN BOARD CN932
C942
(1/9) 6P
0.22
CN956 C944
CL940
+B_R1_COIL2 1 4700
(Page 23)
B
CL941
>006S
GND 3
CL942 C941
-B_R1_COIL2 4
0.22
C943
+B_R1_COIL2 5
4700
>003S
+B_R1_COIL2 6
F932
MAIN BOARD -B_R1_COIL2 7
6.3A 250V
(1/9)
CN957
(Page 23)
C
D
STR-KM22/KM55/KM77
• See page 14 for Circuit Boards Location.
4 5 6 7
>017P
POWER
TRANSFORMER
(MAIN)
T901
(Page 38)
12
(12)
1-889-214-
4 5 6 7
HS932 B931
CNP931
MECHANICAL
5P
CL931
R1 (UPPER TAP)
CL932
R1 (LOWER TAP)
CL933
R1 GND
CL934
R1 (LOWER TAP)
CL935
RY931
R1 (UPPER TAP)
7
6
8
4
3
5
1 2
CN931
0.2 6P
CL936
Q931
CL937 1 BRIDGE_RY
2PD601ART
0.8 R942 R941
D931 RELAY DRIVER 2.2k 47k 2 NC
DA2J10100L
CL938
3 GND_RY
CL939
R944 1
4 +13V
CL943
5 SW1_GND
CL944
6 SW2_GND
• : Uses unleaded solder.
8 9 10 11
SUB RECTIFIER BOARD
(CONDUCTOR SIDE)
(KM55, KM77)
CL935
CL937
CL936
CL934
CL938
CL939
CL933
CL932
CL944
CL931
CL942
CL940
CL941
CL943
12
(12)
1-889-214-
8
>060S
POWER
TRANSFORMER
(MAIN)
T901
(Page 39)
>015S
MAIN BOARD
(3/9)
CN955
(Page 25)
40 40
12 13 14 15 16