Sony STR-KM5500 - Main Board Schematic (3;3); Main Board Power Supply and Relay Circuits Schematic

STR-KM5500
STR-KM5500
2828
6-10. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
1
A
B
C
D
E
F
G
H
I
J
K
23
4 5 6 7 8 9 1011121314151617
MAIN BOARD (3/3)
'
HEADPHONE
BOARD
CNP790
(Page 39)
(
POWER
TRANSFORMER
(Page 35)
)
POWER
TRANSFORMER
(Page 35)

MAIN BOARD
(1/3)
(Page 26)
&
CONNECTION
BOARD
CNS510
(Page 42)

MAIN BOARD
(2/3)
(Page 27)

MAIN BOARD
(1/3)
(Page 26)
1
2
3
4
5
6
7
8
9
10
11
23
24
25
26
27
~
~
0.8
0.8
0.2
0.2
0.8
0.2
0
15.6
SL_OUT
SR_OUT
2.2k
R375
2SC3052EF-T1-LEF
RELAY DRIVE
Q375
1
3
4
5
CN792
5P
HP DETECT
R-CH
GND
L-CH
MA2J1110GLS0
D375
2W
680
R393
2W
R392
680
47k
R378
CL939
CL940
CL941
RY375
12V
1
2
3
4
5
6
22
R377
22
R376
FR_OUT
FL_OUT
SB_OUT
C_OUT
FR_OUT
FL_OUT
1
2
3
4
4P
CNP910
R2 AC
R2 CENTER TAP
R2 AC
CL942
CL943
CL944
1SR154-400TE-25
D910
1SR154-400TE-25
D912
1SR154-400TE-25
D913
50V
0.1
C910
1SR154-400TE-25
D911
250V
2.5A
RF910
250V
2.5A
RF911
50V
0.1
C911
JS603
FR_A_RY
C/S/SB_RY
BRIDGE_RY
SW_PREOUT_RY
2SC3052EF-T1-LEF
RELAY DRIVE
RELAY DRIVE
Q355
1k
R355
MA2J1110GLS0
D355
47k
R358
2.2k
R350
47k
R353
MA2J1110GLS0
D350
2SC3052EF-T1-LEF
Q350
RELAY DRIVE
RY350
12V
1
2
3
4
5
6
RY355
12V
1
2
3
4
5
22
R357
22
R356
22
R352
22
R351
SR
SL
FL
FR
2SC3052EF-T1-LEF
Q360
1k
R360
MA2J1110GLS0
D360
47k
R363
6
RY360
12V
1
2
3
4
5
6
22
R362
22
R361
C
SB
1
2
3
4
5
5P
CNP920
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 GND
R1 (LOWER TAP)
R1 (UPPER TAP)
CL945
CL946
CL947
CL948
CL949
6.3A 250V
6.3A 250V
RF912
RF913
RY920
1 2
3
5
6
8
4
7
R921
2.2k
2SC3052EF-T1-LEF
Q920
RELAY DRIVER
MA2J1110GLS0
D920
1/4W
R922
47
1/4W
R920
33
R923
47k
1
2
3
C920
0.22
C921
0.22
A
C
D
B
4
6800
71V
6800
71V
C924
C925
D921
GND
W001
+++- --++-- +-
FR_GND
FL_GND
10
RR11
0.01
CC11
0.01
CC12
10
RR12
FL
FR
C_GND
C
SR_GND
SR
SL_GND
SL
RR13
CC13
RR14
10
CC14
0.01
10
0.01
0.01
CC15
10
RR15
RR17
10
CC17
10
SB
SB_GND
1
2
3
4
5
6
6P
CNP500
+15V
+15V
GND
GND
-15V
-15V
CL950
CL951
CL952
IO
G
1
2
3
16V
100
C353
16V
100
C351
1SR154-400TE-25
D352
50V
0.47
C350
0.47
C352
I
O
COM
1
2
3
2.2k
R301
33
R302
Q301
RELAY DRIVER
2SC3052EF-T1-LEF
47k
R304
22
R303
HP DET
HP RY
25V
1000
C913
25V
2200
C912
50V
R
FRONT
LRL
TB601
SUBWOOFER
TB607
RCENTER
SURROUND
RLL
TB602
SPEAKERS
0
15.3
0.7
0.1
KIA7907PI
-7V REG
IC352
KIA7807API-U/PF
+7V REG
IC350
IC352
IC350
AR, MY,
SAF, SP,
TH
Ver. 1.1