Schematic Diagram - Main Board (1/2) - Sony XM-GS100 Service Manual

4-5.

SCHEMATIC DIAGRAM - MAIN Board (1/2) -

1 2 3
MAIN BOARD (1/2)
A
L+ 1
R+ 2
L– 3
R– 4
CN101
B 4P
SENSING POWER ON
HIGH LEVEL INPUT
L
(THROUGH)
OUTPUT
C
R
J101
L
INPUT
R
D
E
L901
15uH
F
TP045
1 2
F901
30A
30A
30V
R906
1k
C902
F902
1000p
30A
30A
30V
G
TB101
TP044 D902
DZ2J160M0L
REM
+12V
C901 C987 R901
1 1000p 10k
GND
H
C903
C947 1000p
0.01
I
CAM005
TP041
(CHASSIS)
J
R952
1.5k
Q901
KTA1281Y-AT
14.2
K
13.5
R904
270
L
Q901, 903
B+ SWITCH
0.7
Q903
2SC3052EF-T1-LEF
M
XM-GS100
• See page 8 for waveforms. • See page 8 for IC Block Diagrams.
4 5 6 7
TP042
R969
2.2k
TP043
R970
2.2k
C975 C976 C977 C978
220p 220p 220p 220p
C986
0.1
C979 C980 C981 C982
220p 220p 220p 220p
R978 R977 R976 R975 R974
R963
C138 22k 22k 22k 22k 470k
47k
1000p
R964
47k
C139
1000p
R965
47k
FB107 C125 R121
1.1uH 0.01 1k R966
47k
R127
R968
4.7k
10k
C105
4.7
50V
R907
100k
R875 R877
1k 1k
3 4
R979
10k R874
1k
R902
10k
Q807
2SC3052EF-T1-LEF
0.7 6.2
LED DRIVER
0
R876 0
Q902
10k
RT1N141C-TP-1 R903 R987
10k 10k
OVER VOLTAGE DETECT
Q904
ISA1235AC1-T112-1EF
DC DETECT
14.2 14.2
13.5
R814
10k
TP031 R917
22
14.2
C801 R809
4.7 10k R919
14.2
50V 2.2k
14.2
Q805
ISA1235AC1-T112-1EF
0
R953 R915
10k D901 1k
DA2J10100L
R905 R954 R810 R916 R921 R922
2.2k 10k 10k 1k 2.2k 2.2k
Q805, 806
LED DRIVER
R811
0 14.2
10k
0
Q806
2SC3052EF-T1-LEF
R918
TP032 22
C804 R812
470p 10k
8 9 10 11
C985 C984 C983
0.1 0.1 0.1
R973 R972 R971
470k 470k 470k
C973
100p
TP033
R908
2.2k
4
IC B/D
16 15 14 13 12 11 10 9
IC901
DC/DC CONVERTER
IC901
TL594INSR
1 2 3 4 5 6 7 8
3
C904
0.01
R912
C905 100k
47
R909
16V
3.3k
C805 C806 R818 R910 C908 C907
0.01 1000p 100k 15k 100 0.1
16V
C906
1000p
3.9
5
2SC4357-T11-1E
3.9
BUFFER
5
Q912
2SC4357-T11-1E
BUFFER
Q905
FKV575
14.2
SWITCHING 2
R930
DRIVER
2.2
4.8
R920 S Q906
1
2.2k FKV575
14.2
4.8 SWITCHING
R931
DRIVER
2.2
0.5
4.8
Q914
2SC3326N-TE85L-B R925 S
1k
SWITCHING DRIVER
R928
1k
S
R935
2.2
0.5 4.8
Q915 Q910
2SC3326N-TE85L-B FKV575
4.8 1
SWITCHING DRIVER SWITCHING 14.2
S DRIVER
R936
2.2
4.8
2
Q909
FKV575
SWITCHING 14.2
DRIVER
13 13
12 13 14
0
R967 6
0
10k
5
(3/3)
C972
100p
IC902
PRE AMP
IC902
0
NJM4565M(TE2)
0
C974
2
0
47
1
16V
3
(1/3)
IC902
PRE AMP
IC902
NJM4565M(TE2)
R981 C989
47k 4700p
R834
47k RT1N441C-TP-1
DC DETECT
D855
R813
DA2J10100L
10k
IC900
PC-17K1 R988
1k
DC BALANCE DETECT
4 2
0 67.6
R989
220
3 1
5 68.4
R951 R950 C948
4.7k 4.7k 0.22
Q913
FB907
R938
22 T901 R926
100k
DC/DC CONVERTER
TRANSFORMER
C912
0.022
R927
6
100k
FB908
C913
2200
5
16V
1
7
C963 C914
4700p 2200
2
16V
D909
GN1G
C964
3 8
4700p C915
2200 D910
16V GN1G
4 9
D912
GN1G
C918
10
0.022
D913
GN1G
11
FB904
R940
22
XM-GS100
15 16 17 18
R980
47k
C988
4700p
0
7
CN103
10P
1 Line in
2 Second GND
3 First GND
4 LED Blue
5 LED Red
CONTROL
6 Line out
7 +15V
(Page 16)
8 –15V
C825
9 Active Thermal control
0.1
10 ESD
Q907
-14.2
4
CAM003
IC902 GND
NJM4565M(TE2)
5 (CHASSIS)
(2/3) POWER
8
1
0 14.8
2
3
4
5
1
6
7
MAIN
TP021
BOARD
8
(2/2)
9 (Page 14)
10
11
R986 R985
12
470k 100k
13
67.6
8.5
R984 Q924
22k KTC4373
8.2
DC BALANCE
DETECT
D933
DZ2J160M0L
D931
DZ2J300M0L
D932
DZ2J300M0L
TP001
R923 C919 C920 C923
100k 1800 1800 0.1
80V 80V 250V
R924 C921 C922 C924
100k 1800 1800 0.1
80V 80V 250V
TP003 TP023
FB905
C925 C926
220 0.1
50V
TP004 TP024
FB906
A
BOARD
CN002