Read Sony XM-SW1 Service Manual online
XM-SW1
XM-SW1
7
7
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
5
PRE AMP
IC301 (1/2)
2
GAIN CONTROL AMP
IC301 (2/2)
DIFFERENTIAL
AMP
Q102
POWER
AMP
Q109
OVERLOAD
DETECT
Q111
DRIVE
AMP
Q103
DRIVE
AMP
Q107
DIFFERENTIAL
AMP
Q101
POWER
AMP
Q110
DRIVE
AMP
Q104
DRIVE
AMP
Q108
CNJ901
INPUT
L
(MONO)
SPEAKER OUT
L+R
MUTE
SWITCH
Q301
REM
+12V
GND
10
DIFFERENTIAL
AMP
Q202
POWER
AMP
Q209
OVERLOAD
DETECT
Q211
DRIVE
AMP
Q203
DRIVE
AMP
Q207
DIFFERENTIAL
AMP
Q201
POWER
ON/OFF
ON/OFF
Q902
MUTE
CONTROL
Q302-305
POWER
AMP
Q210
DRIVE
AMP
Q204
DRIVE
AMP
Q208
OVERLOAD
PROTECT
Q308,309
15
16
16
1
2
2
14
12
B+
SWITCH
Q903
OVER VOLTAGE
DETECT
Q901
REF.
REG
REG
TEMP. DETECT
TH901,902
THERMAL
DETECT
Q905,906
TB901 (1/2)
D902
D903
F901
RECT
D303
RECT
D304
+13V
+25V
SWITCHING
DRIVER
Q912
SWITCHING
DRIVER
Q913
DRIVER
Q911
VOLTAGE
DETECT
Q907,908
DRIVER
Q910
11
9
3
8
D906
POWER/
PROTECTOR
DC-DC
CONVERTER
TRANSFORMER
T901
DC-DC CONVERTER
IC901
D904,
D905 (1/2)
D905 (2/2)
SLJQDO SDWK
: AUDIO
: AUDIO
TB901 (2/2)
-1
-2
LED DRIVER
Q909
RED
(PROTECTOR)
GRN
(POWER)
R
1
DC DETECT
Q904
30A
RV301
LEVEL
LEVEL
+13V REG
Q306
–15V
–25V
–15V REG
Q307
6
3
7
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