Read Sony XM-GS4 Service Manual online
XM-GS4
XM-GS4
13
13
4-4. SCHEMATIC DIAGRAM - MAIN Board (1/2) -
• See page 10 for Waveforms. • See page 10 for IC Block Diagram.
MAIN
BOARD
(2/2)
CONTROL
CN004
BOARD
CONTROL
CN005
BOARD
2
2
1
1
3
4
0
0
0
0
0
0
0
0
0
0
0
0
-15.3
14.8
-15.3
14.8
19.3
14.8
15.5
-18.8
-15.3
-16
0
0
0
0
14.3
0
0.2
14.2
14.2
0
14.3
0.2
14.8
14.5
12.7
0.9
0
0.3
0
5
5
0
1.2
-14.9
0
0
0
0
1.4
14.8
14.3
14.3
13.6
13.6
14.3
14.3
0
0.7
0
0.7
0
0
14.2
13.9
14.2
14.3
0
13.2
14.3
13.9
2.6
0
0.4
1.5
3.8
14.3
0
2.6
5.1
14.3
5.3
5.1
5.3
14.3
14.3
5.3
0.5
5.9
5.9
14.3
5.9
14.3
0.5
5.9
5.9
14.3
14.3
5.9
6.1
14.3
5.3
6.1
KTA1281Y-AT
Q907
270
R908
2.2k
R909
1k
R910
10k
R927
10k
R926
1000p
C908
4.7k
R902
4.7k
R901
1k
R905
16V
2200
C912
16V
2200
C911
2.2
R914
2.2
R912
2.2
R915
2.2
R913
22
R922
22
R923
47k
R903
22k
R102
22k
R103
22k
R203
22k
R202
22k
R303
22k
R302
22k
R402
22k
R403
KTC1027-Y-AT/P
Q705
470
R707
47k
R706
2.2M
R705
100k
R704
270k
R703
150k
R702
560k
R700
2.2k
R819
2.2k
R934
0.22
C501
0.22
C502
0.22
C503
2.2k
R820
TP11
TP12
TP27
TP23
TP20
TP22
TP19
TP25
TP3
TP26
TP1
TP2
1000p
C506
1000p
C507
10k
R928
1.5k
R906
10k
R907
0.047
C913
100p
C109
100p
C209
100p
C309
100p
C409
100p
C110
100p
C210
100p
C310
100p
C410
220k
R104
220k
R105
220k
R204
220k
R205
220k
R304
220k
R305
220k
R404
220k
R405
10k
R942
10k
R943
10k
R944
10k
R945
10k
R946
100
R604
100k
R811
100k
R615
100k
R610
3.3k
R601
DZ2J068M0L
D604
DZ2J075M0L
D700
DZ2J051M0L
D701
DZ2J160M0L
D904
MC2838-T112-1
D601
MC2838-T112-1
D919
MC2838-T1
12-1
D803
MC2838-T112-1
D920
DA2J10100L
D905
DA2J10100L
D702
DA2J10100L
D602
DA2J10100L
D605
ISA1235AC1-T112-1EF
Q910
2SC3052EF-T1-LEF
Q606
2SC3052EF-T1-LEF
Q603
2SC3052EF-T1-LEF
Q908
RT1P141C-TP-1
Q602
RT1P141C-TP-1
Q605
RT1P441C-TP-1
Q911
RT1P441C-TP-1
Q701
RT1N141C-TP-1
Q704
RT1N141C-TP-1
Q912
RT1N141C-TP-1
Q909
RT1N141C-TP-1
Q913
RT1N441C-TP-1
Q607
TH904
TH905
TH906
1k
R950
+
-
NJM4565V(TE2)
IC801
5
6
7
+
-
NJM4565V(TE2)
IC802
3
2
1
+
-
NJM4565V(TE2)
IC802
5
6
7
+
-
NJM4565V(TE2)
IC801
3
2
1
NJM4565V(TE2)
IC801
8
POWER
4
GND
NJM4565V(TE2)
IC802
8
POWER
4
GND
10k
R911
MC2838-T112-1
D921
DA2J10100L
D922
82k
R612
FCH10A15
D801
FRH10A15
D802
1k
R806
TP17
TP18
UDZSUSTE-1715B
D807
1k
R805
UDZSUSTE-1716B
D808
1000p
C817
50V
560
C803
50V
560
C804
16V
220
C504
50V
22
C602
50V
220
C810
50V
220
C809
16V
100
C815
16V
100
C816
16V
100
C505
1
C916
1
C901
1
C700
50V
22
C701
22
R953
22
R954
MC2838-T1
12-1
D923
MC2836-T1
12-1
D805
MC2836-T1
12-1
D924
50V
220
C920
50V
220
C921
2.2
R955
2.2
R956
1000p
C905
24k
R930
16V
100
C906
100k
R931
10k
R947
10k
R948
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TL594INSR
IC901
6.8k
R929
10k
R904
2SC3052EF-T1-LEF
Q916
0.01
C902
0.01
C917
0.01
C904
0.1
C918
0.1
C919
0.1
C922
0.1
C111
0.1
C312
0.1
C910
0.1
C112
0.1
C411
0.1
C814
0.1
C601
0.1
C211
0.1
C412
0.1
C903
0.1
C212
0.1
C865
0.1
C311
0.1
C813
2SC3326N-TE85L-B
Q906
2SC3326N-TE85L-B
Q905
2SC3326N-TE85L-B
Q601
2SC3326N-TE85L-B
Q703
2SC3326N-TE85L-B
Q702
1k
R918
1k
R501
1k
R919
1k
R503
1k
R505
2.2k
R506
2.2k
R609
10k
R613
15k
R406
15k
R107
15k
R207
15k
R106
15k
R307
15k
R206
15k
R407
15k
R306
2.2k
R201
2.2k
R301
2.2k
R401
2.2k
R101
1
2
3
4
5
6
7
8
8P
CN906
FL+
FR+
RL+
RR+
FL–
FR–
RL–
RR–
S
FKV575
Q901
S
FKV575
Q903
S
FKV575
Q902
S
FKV575
Q904
2.2k
R921
2.2k
R925
2.2k
R920
2.2k
R924
1SR159-200TE25
D928
1SR159-200TE25
D925
1SR159-200TE25
D926
1SR159-200TE25
D927
T002
1
3
2
6
9
5
4
10
7
8
DZ2J056M0L
D606
250uH
L901
250uH
L902
1.5k
R951
1.5k
R952
1.2k
R961
1.2k
R962
22
R917
22
R916
22
R963
22
R964
0.047
C915
0.047
C914
L903
1.1uH
0.1
C802
0.1
C801
KTC1027-Y-AT/P
Q801
KTA1023-Y-AT/P
Q802
1M
R701
100k
R614
2SC3326N-TE85L-B
Q604
3.3k
R608
2.2k
R606
2.2k
R607
3.9k
R605
1
2
3
4
5
6
7
8
9
10
11
11P
CN907
Front L in
Front L GND in
Front R GND in
Front R in
OP amp +
OP amp -
Rear L in
Rear L GND in
Rear R GND in
Rear R in
ATT signal
TH603
TH602
TH601
8.2k
R603
8.2k
R602
1
C923
1
C909
2SC4357-T11-1E
Q915
2SC4357-T11-1E
Q914
MC2836-T112-1
D603
TP30
TP31
TP32
TP33
47p
C101
47p
C201
47p
C202
47p
C302
47p
C303
47p
C401
47p
C301
47p
C203
47p
C102
47p
C402
47p
C403
47p
C103
DC/DC CONVERTER
IC901
PRE AMP
IC801
(3/3)
PRE AMP
(1/3)
IC802
PRE AMP
(3/3)
IC802
PRE AMP
(1/3)
IC801
(2/3)
(2/3)
4
6
2
1
5
3
7
8
9
10
11
12
DC/DC CONVERTER
MAIN BOARD (1/2)
CAM002
CAM001
(CHASSIS)
(CHASSIS)
TRANSFORMER
+15V REGULATOR
-15V REGULATOR
BUFFER
BUFFER
Q902, 904, 906
SWITCHING DRIVER
Q901, 903, 905
SWITCHING DRIVER
1IN+
1IN-
FEEBACK
DTC
CT
RT
GND
C1
E1
E2
OUTPUT
CTRL
REF
VCC
C2
2IN+
2IN-
Q911, 912
PROTECT DRIVER
LED DRIVER
Q913, 916
DC DETECT
OVER VOLTAGE DETECT
Q907, 908
B+ SWITCH
INVERTER
Q605 - 607
MUTING CONTROL
MUTING CONTROL
Q602, 603
THERMAL DETECT
FAN MOTOR DRIVER
Q701 - 705
LEVEL
POWER ON
INPUT
SENSING
HIGH
L
R
(L+R)
FRONT
REAR
(L+R)
L
R
INPUT
CNJ101
REM
+12V
GND
30A
30A
F902
30V
30A
30V
F901
30A
TB001
16
8
I
14
2
15
12
A
D
5
K
B
M
7
C
L
17
21
6
11
3
H
F
13
20
G
9
E
10
1
19
J
18
4
>01S
>02S
>001S
(Page 14)
(Page 16)
(Page 16)
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