Read Sony XM-GTR2202 Service Manual online
XM-GTR2202
XM-GTR2202
11
11
3-1. BLOCK DIAGRAM
3
2
2
PRE AMP
IC301 (1/2)
DIFFERENTIAL
AMP
Q104
POWER
AMP
Q111,114,117
OVERLOAD
DET
Q113,116,119
DRIVE
AMP
Q105
DRIVE
AMP
Q109
DIFFERENTIAL
AMP
Q103
POWER
AMP
Q112,115,118
DRIVE
AMP
Q106
DRIVE
AMP
Q110
BIAS
Q207,
208
MUTE
Q102
MUTE
Q202
J001 (2/2)
J001 (1/2)
D901
INPUT
L
(BTL)
SPEAKER OUT
L
R
LINE
SWITCH
Q101
REM
+12V
GND
9
DIFFERENTIAL
AMP
Q204
POWER
AMP
Q211,214,217
OVERLOAD
DET
Q213,216,219
DRIVE
AMP
Q205
DRIVE
AMP
Q209
DIFFERENTIAL
AMP
Q203
POWER
ON/OFF
ON/OFF
Q903
POWER
AMP
Q212,215,218
DRIVE
AMP
Q206
DRIVE
AMP
Q210
CN901
L
1
3
2
4
3
2
4
HIGH LEVEL
INPUT/
SENSING POWER ON
R
L
OUTPUT
(THROUGH)
R
LINE
SWITCH
Q201
DC OFFSET
DET
Q306,307
15
1
2
2
14
12
B+
SWITCH
Q901
HIGH
VOLTAGE
DET
Q305
PROTECTOR
DET
Q915
+50V
-50V
OVER VOLTAGE
DET
Q902
REF.
REG
REG
TB901 (2/2)
F901
16
+50V
+54V
+15V
SWITCHING
DRIVER
Q909,911,913
SWITCHING
DRIVER
Q910,912,914
DRIVER
Q907
DRIVER
Q918
DRIVER
Q917
PROTECTOR
DET
Q904,905
DRIVER
Q908
8
10
11
D904
POWER/
PROTECTOR
DC-DC CONVERTER
IC901
SLJQDO SDWK
: AUDIO
: AUDIO
TB901 (1/2)
BTL
PROTECTOR
DET
Q906
R
(PROTECTOR)
D919-922
(ILLUMINATOR)
G
(POWER)
R
-3
-4
-1
-2
40A
F902
40A
PRE AMP
IC301 (2/2)
2
3
3
THERMAL DET
IC304 (1/2)
LEVEL
FILTER
OFF
RV801
LOW BOOST
(40Hz)
RV802
SUBSONIC
FILTER
RV301
LOW PASS
FILTER
RV302
1
TEMP.DET
TH302,303
TH302,303
TEMP.DET
TH701,702
TH701,702
FAN901
DC FAN
DC FAN
THERMAL
DET
Q701,702
FAN
DRIVER
Q703
TEMP.DET
TH301
DC OFF DET
Q301,302
PROTECT
SWITCH
Q303
THERMAL DET
IC304 (2/2)
5
7
BIAS
Q107,
108
3
D903
5
6
6
-1
B+
SWITCH
Q916
EQ
–50V
–54V
–15V
EQ
3
2
2
LOW BOOST/
GAIN CONTROL AMP
IC303 (1/2)
1
5
7
3
2
2
SUBSONIC FILTER
IC302 (1/2)
LPF
IC302 (2/2)
1
LINE AMP
IC305
1
2
–
+
–
+
–
+
–
+
SW801
(FILTER)
1
7
-2
-1
-2
-1
-2
-2
-1
-1
-2
6
5
5
LOW BOOST/
GAIN CONTROL AMP
IC303 (2/2)
7
RECT
D315,316
RECT
D310
RECT
D303
RECT
D311
RECT
D304
D312
D313
DC-DC
CONVERTER
TRANSFORMER
T901
-15V REG
Q305
+15V REG
Q304
RECT
D317,318
6
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