Read Sony XM-SW3 Service Manual online
XM-SW3
XM-SW3
12
12
3-4. SCHEMATIC DIAGRAM – MAIN Section (2/2) –
• See page 8 for Waveform and IC Block Diagram.
14
B
E
12
15
11
10
F
A
7
2
D
C
1
9
3
6
4
13
8
5
MAIN BOARD (1/2)
1
1
IC B/D
0
4.9
4.9
4.9
14.4
14.4
5.4
5.4
4.9
0
0.3
1.4
3.7
14.4
0
14.4
0
14.4
14.4
14.4
0.7
0
25.5
25.5
25.5
0.7
1.7
5.3
0.4
0.4
5.3
25.6
3.8
3.8
1.7
3.8
14
14.3
14.4
0
1.3
0
14.4
-16.1
14.3
0
0
14.4
25.6
25.6
25.6
22.9
22.9
22.9
0
13.5
14.8
0
0
5.3
0.7
13.9
14.4
14.4
13.5
5.3
-15.6
-25.5
3.8
3.8
2
0
0
2.2k
R997
0.1
C997
47k
R823
DZ2J068M0L
D823
82k
R824
10k
R825
50V
22
C825
DA2J10100L
D824
470k
R821
0.5%
1.5k
R906
1
2
50uH
L901
0.1
C999
10k
R901
1000p
C902
0.5%
2.2k
R999
1k
R910
DZ2J160M0L
D902
KTA1281Y-AT
Q902
B+ SWITCH
270
R904
2.2k
R905
2.2k
R908
0.5%
10k
R907
DA2J10100L
D903
0.5%
10k
R912
0.5%
10k
R913
4.7k
R914
1k
R915
0.5%
3.3k
R916
0.5%
10k
R911
50V
22
C906
0.01
C904
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TL594INSR
IC901
MC2838-T112-1
D904
MC2838-T1
12-1
D905
TH901
TH902
0.5%
680
R918
0.5%
1.8k
R919
0.1
C911
16V
100
C922
100k
R922
0.01
C909
0.5%
6.8k
R921
1000p
C910
0.5%
24k
R923
16V
100
C908
4.7k
R926
1000p
C913
4.7k
R925
0.01
C995
47k
R924
470
R927
1k
R928
SML1216WTP4
D906
470
R951
470
R952
1k
R953
1k
R954
1k
R957
1k
R958
22
R955
22
R956
2.2
R959
KTC2875-B-RTK
Q951
DRIVER
KTC2875-B-RTK
Q952
DRIVER
S
FKV550N
Q953
SWITCHING DRIVER
S
FKV550N
Q954
SWITCHING DRIVER
0.047
C950
16V
2200
C951
FCH10A15
D801
FRH10A15
D802
0.01
C802
0.1
C811
0.1
C812
0.1
C813
0.1
C814
DZ2J150M0L
D81
1
4.7k
R811
4.7k
R812
2SD2012
Q811
+15V REG
2SB1375
Q812
-15V REG
DA2J10100L
D907
1k
R934
1000p
C918
16V
220
C916
50V
560
C804
50V
560
C803
TH903
0.5%
1.8k
R920
Q906
THERMAL DETECT
ISA1235AC1-T112-1EF
Q903
DC DETECT
ISA1235AC1-T112-1EF
2SC3052EF-T1-LEF
Q905
THERMAL DETECT
2SC3052EF-T1-LEF
Q912
OVERLOAD PROTECT
(SUBWOOFER)
2SC3052EF-T1-LEF
Q914
OVERLOAD PROTECT
(SUBWOOFER)
2SC3052EF-T1-LEF
Q823
2SC3052EF-T1-LEF
Q901
POWER ON/OFF
RT1P141C-TP-1
Q833
RT1N441C-TP-1
Q821
RT1N141C-TP-1
Q907
VOLTAGE DETECT
RT1N141C-TP-1
Q909
LED DRIVER
RT1N141C-TP-1
Q904
OVER VOLTAGE DETECT
RT1P441C-TP-1
Q908
VOLTAGE DETECT
0.5%
10k
R902
0.5%
10k
R903
TP1
TP2
TP3
TP8
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
R932
470k
1
2
3
4
5
6
7
T901
DC-DC CONVERTER
TRANSFORMER
16V
2200
C952
2SC3052EF-T1-LEF
Q911
OVERLOAD PROTECT
(FULL RANGE)
2SC3052EF-T1-LEF
Q913
OVERLOAD PROTECT
(FULL RANGE)
1k
R933
1000p
C917
R931
470k
16V
220
C915
RT1P141C-TP-1
Q832
RT1P141C-TP-1
Q831
Q822
ISA1235AC1-T112-1EF
2.2k
R996
47k
R822
0.01
C961
0.01
C962
10
R961
10
R962
DZ2J160M0L
D812
16V
47
C815
16V
47
C816
1
C905
0.01
C801
0.47
C900
0.01
C998
1
C914
TB901
6P+3P+FUSE
(1/4)
4
5
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
13
JR1
0
(2/2)
MAIN BOARD
IC901
POWER/
PROTECTOR
CONVERTER
DC-DC
NON
INV
VREF
OUT
VCC
+12V
C2
GND
C1
RT
GND
CT
COMPEN
E2
-IN
REM
E1
40A
F901
+IN
TIME
MUTE CONTROL
Q821-823,831-833
(CHASSIS)
(PROTECTOR)
RED
(POWER)
GRN
RECT
D801,802
(CHASSIS)
0.45uH
L801
2.2
R960
(Page 11)
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