Sony XM-SW10 Service Manual ▷ View online
XM-SW10
5
SECTION 2
DISASSEMBLY
Note: This set can be disassemble according to the following sequence.
Note: Follow the disassembly procedure in the numerical order given.
2-1. BOTTOM PLATE
2-1. BOTTOM PLATE
(Page 5)
2-2. MAIN BOARD SECTION
(Page 6)
SET
2-3. MAIN BOARD
(Page 6)
4 bottom plate
1 three screws
(+B, TT, B-type, 3
uL)
2 three screws
(+B, TT, B-type, 3
uL)
3 screw
(+BVTP S3
u6)
XM-SW10
6
2-2. MAIN BOARD SECTION
2-3. MAIN BOARD
4 MAIN board section
main heat sink
3 screw
(+B, TT, B-type, 3
uL)
2 three screws
(+P, TT, B-type, 3
uL)
1 screw
(+P, TT, B-type, 3
uL)
2 two screws
(+P, TT, B-type, 3
uL)
1 screw
(+P, TT, B-type, 3
uL)
4 screw
(+P, TT, B-type, 3
uL)
3 output panel
6 MAIN board
5 input panel
XM-SW10
XM-SW10
7
7
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM
3
PRE AMP
IC101 (1/2)
J101
REM
+12V
GND
10
15
16
16
1
2
2
14
12
REF.
REG
REG
TB101 (2/2)
1
3
REG
Q102
D905,906
RECT
D909,910,912,913
RECT
D914,915
RECT
REG
Q103
VDD (IC110)
VCC (IC112)
+70V
–70V
+15V
–15V
+70V
SWITCHING
DRIVER
Q905,906
SWITCHING
DRIVER
Q909,910
DRIVER
Q914,915
11
9
8
DC–DC
CONVERTER
TRANSFORMER
T901
DC–DC CONVERTER
IC901
POWER
ON/OFF
ON/OFF
Q903
F901
30A
F902
POWER
CONTROL
Q902
–1
–2
L
(MONO)
R
2
GAIN CONTROL AMP
IC102 (1/2)
2
1
INVERTER AMP
IC103 (1/2)
SPEAKER
OUT
TB101 (1/2)
+70V
–70V
L+R
–15V REG
Q917
+15V REG
Q916
BUFFER
AMP
Q106
LED
DRIVER
Q805
LED
DRIVER
Q807
STANDBY
DETECT
Q702
THERMAL
DETECT
Q851–854
THERMAL
AMP
Q855
TEMP.
DETECT
TH801–803
OVERLOAD
CONTROL
Q823
CURRENT
DETECT
Q822
EMERGENCY
STOP CONTROL
IC111 (2/2)
L+R
2
6
FILTER AMP
IC101 (2/2)
5
7
7
FILTER AMP
IC103 (2/2)
N.F.B
IC109
DIVIDER
IC110
BUFFER
AMP
IC111 (1/2)
LATCH
Q806
OVERLOAD
CONTROL
Q821
BUFFER
AMP
Q104
DRIVER
AMP
Q108,109
PRE DRIVER
IC112
DRIVER
AMP
Q110,111
POWER
AMP
Q115
POWER
AMP
Q112
PROTECTOR
DRIVER
CONTROL
Q804
PROTECTOR
DRIVER
Q802,803
DC VOLTAGE
DETECT
Q827,828
2
6
THERMAL
PROTECTION
AMP
IC104
CURRENT
DETECT
Q824,825
1
DC
DETECT
Q904,907
B+
SWITCH
Q901
DC BALANCE
DETECT
Q920
DC BALANCE
DETECT
Q808
D863
D126
D855
D909
D910
D912
D913
D905
D906
D914
D161
D107
D915
VCC
RED (PROTECTOR)
GRN (POWER)
D701
D703
POWER/PROTECTOR
RV004–1
RV004
LOW PASS
FILTER
RV001
LEVEL
LEVEL
–70V
+70V
D920
D902
12
14
8
6
1
HIN
HO
VS
LO
LIN
6
RV004–2
3
1
6
7
30A
INPUT
GAIN CONTROL AMP
IC102 (2/2)
5
SLJQDO SDWK
: AUDIO
: AUDIO
XM-SW10
XM-SW10
8
8
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• 2 : nonfl ammable resistor.
• C : panel designation.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Power Voltage is dc 14.4 V and fed with regulated dc
• B : B– Line.
• Power Voltage is dc 14.4 V and fed with regulated dc
power supply from + 12 V and REM terminals.
• Voltage and waveform are dc with respect to ground un-
der no-signal condition.
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
F
: AUDIO
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• a : Through hole.
•
• X : Parts extracted from the component side.
• a : Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Waveform
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
1
IC901
5 (CT)
1 V/DIV, 5
Psec/DIV
2.9 Vp-p
17.5
Psec
• IC Block Diagrams
IC901 TL594INSR (MAIN Board (1/2))
OSC
REF 5V
ERROR
ERROR
0.1V
Q1
Q2
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7 8
NON
INV
VREF
VCC
C2
E1
E2
OUT
+IN
-IN
COMPEN
CT
RT
C1
GND
TIME
IC112 IRS2110S (MAIN Board (2/2))
5
2
1
HIN
SD
12
VDD
9
10
11
6
7
8
S
R
Q
S
R
Q
COM
LO
4
3 VCC
3 VCC
VS
VB
HO
VDD/VCC
LEVEL
SHIFT
13
LIN 14
VDD/VCC
LEVEL
SHIFT
VSS 15
16
PULSE
GEN
UV
DETECT
DELAY
R
Q
R
S
S
UV
DETECT
PULSE
FILTER
FILTER
HV
LEVEL
SHIFT
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