Sony XM-7557 Service Manual page 42

XM-7557
• Semiconductor
Location
Ref. No. Location
D806 E-5
D807 B-1
D808 B-2
D901 B-7
D902 B-8
D903 F-9
D904 E-9
D905 E-7
D906 E-8
D907 E-5
D908 G-2
D909 E-4
D910 F-1
D911 E-1
D912 E-2
D913 E-3
IC813 B-3
IC901 F-9
IC902 F-9
IC903 F-1
IC904 F-1
Q804 B-9
Q805 B-9
Q806 B-9
Q807 D-6
Q808 D-6
Q809 D-5
Q810 D-4
Q811 B-2
Q812 B-2
Q901 B-7
Q902 B-7
Q903 B-8
Q904 B-7
Q905 B-7
Q906 F-9
Q907 G-9
Q908 G-9
Q909 G-9
Q910 G-9
Q911 H-7
Q912 H-9
Q913 H-6
Q914 H-8
Q915 H-6
Q916 H-8
Q917 E-4
Q918 D-5
Q919 F-1
Q920 G-1
Q921 G-1
Q922 G-1
Q923 G-1
Q924 H-3
Q925 H-5
Q926 H-2
Q927 H-4
Q928 H-1
Q929 H-3
POWER BOARD (SIDE B)
25A
F904
NFB
OFF ON
S802
A
R838
R835
10
A BLU
BLU
BLU E
AMPLIFIER D807
BOARD BLU
R837
CNP805 B
BLU
D808
(Page 8)
BLU
CNB805
BLU
BLU
BLU
BLK
1
C
D
C946
D912
E
D911
R951
E
Q919
1 2
F
IC903
R948
4 3
C926
8 1
D908
IC904
16
9
R947
Q920
R954
Q921
R955
R942
G
R953
R956 E
E
E
R960
E
R959
R963
R962
Q923
Q922
H
TH903
G S G S
Q928
Q926
1 2
09
CN802
+12V GND
25A
F903
C920
C921
IC813
2 1
E
3 4
C803
R828
E
Q810
R832
R833
D913
R936 R941
Q918
D806
C922 R938 E
R937
E
Q917
D909
D907
R943
T902
C933
PL901
G S G S G S G S
Q924 Q929 Q927 Q925
3 4 5
12 12
CNJ801
+12V REMOTE
25A 25A
F902 F901
CNJ801
C901
C902
D902
E
D901
E
R903 R904
E
Q902
Q901
E
E D905
D906
C802
T901
C912
G S G S G S G S G S
Q915 Q913 Q911 Q916 Q914
6 7 8
MODE
HI-CURRENT HI-VOLTAGE
S801
R820
D
1 BLK
E
BLU
BLU
LED BOARD
BLU
CNB804
BLU
(Page 11)
BLU
BLU
E
7
CNP804
JR051
D904
E
D903
1 2
16 9
IC901
IC902 4 3
1 8
R915
C908
C909
C910
R914
Q907 R920
Q908
R919
R909
R918
R921
E
E
R924 E
R925
R927
R928
Q910
Q909
G S
12
1-675-241-
Q912
9