Diagrams; Block Diagram - Sony XM-1S Service Manual

Q Q
3 7 6 3 1 5 1 5 0

3-1. BLOCK DIAGRAM

PRE AMP
IC101 (1/2)
J101
-1
L 2
1
3
INPUT
-2
R
-3
L
(THROUGH)
OUTPUT
-4
R
TM101
D109
L
SENSING D110
POWER ON
HIGH D111
LEVEL
INPUT
D112
R
T E
L 1 3 9 4 2 2 9 6 5 1 3
TEMP.
DET
TH801-803
CN801
F901 30A
2
+12V
F902 30A
POWER
CONTROL
Q902
REM
3
GND 1
w w w
XM-1S
SECTION 3

DIAGRAMS

GAIN AMP
FILTER AMP
IC102 (2/2)
IC102 (1/2)
5
7 3
6 1
2
RV1
LEVEL
6
D854
D863
ACTIVE THERMAL
CONTROL
LED DRIVER
+15V
Q855
THERMAL AMP
IC106 (1/2)
THERMAL D701 STANDBY
3
DET DET
1
2
Q851-854 Q702
LED
DRIVER
DC DET
Q805
IC902
1 3
2 4
B+
SWITCH
S102
Q901
BLUE
ILLUMINATION
OFF
D861,862 ON
BLUE
ILLUMINATION
POWER
DC BALANCE DET
ON/OFF
IC903
Q903
1 3
+60V
DC BALANCE
2 4
–60V
DET
Q920
D920-922
x a o
y
. i
http://www.xiaoyu163.com
BOOST AMP
IC103 (2/2)
5
7
6
S101
SUBSONIC
FILTER
OFF BOOST
RV2
CONTROL
LOW BOOST
(15Hz)
Q101
(40Hz)
D107
+60V
PRE AMP
TRIANGLE WAVE OSC
IC101 (2/2)
IC109
BUFFER BUFFER
7 2 6 AMP
IC111 (3/4,4/4)
Q Q
3 7 6
LED DRIVER D857,859
Q856 (ILLUMINATION)
OVERLOAD
LATCH
CONTROL
Q806
Q821
EMERGENCY BUFFER
STOP CONTROL AMP
D858
IC111 (1/4,2/4) Q106
(PROTECTOR)
DC-DC CONVERTER
IC901
VCC
11
12
SWITCHING
REF. BUFFER
10 DRIVER
REG Q913
Q905-907
14
DRIVER
Q914,915
1
2
15
16
8
SWITCHING
BUFFER
9 DRIVER
3
Q912
Q909-911
u 1 6 3
.
9 9
http://www.xiaoyu163.com
2 4
8 9 9
PRE AMP PRE AMP
IC104 (1/2) IC104 (2/2)
2
2 1 5 7 3
RV3-2 RV3-1
RV3
SIGNAL LEVEL DET
LPF
IC106 (2/2)
5
7
6
THERMAL
PROTECTION
AMP
IC105
PRE DRIVER
IC112
HIN DRIVER
HD
12 1 8 AMP
Q108,109
DIVIDER
AMP 6
VS
IC110
Q104
LIN
DRIVER
LD
14 1
AMP
Q110,111
3 1 5 1 5 0 8 9 2
OVERLOAD
CONTROL
Q823
DC VOLTAGE
DET
Q827,828
D909,910,912,913
RECT
D161
D909
REG
DC-DC
Q102
CONVERTER
D910
TRANSFORMER
D912
T901
D913
D905
+60V
D905,906
D906
RECT
–60V
D914
+15V REG
+15V
Q916
m
D914,915
RECT
D915
–15V REG
c o
–15V
Q917
XM-1S
2
8 9 9
FILTER AMP
IC103 (1/2)
1
+60V
CURRENT
DET
Q822
CN101
POWER
AMP
Q112
L+R
SPEAKER
OUT
L+R
POWER
AMP
Q115
4 9 8 2 9 9
CURRENT
DET
Q824,825
–60V
PROTECTION
PROTECTION
DRIVER
DRIVER
CONTROL
Q802,803
Q804
REG
VDD (IC112)
Q103
• Signal path
: AUDIO