Printed Wiring Board - Poweramp Board - Sony HCD-GT444 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

7-21. PRINTED WIRING BOARD - POWERAMP board -

1 2
A
B
C
D
T E
L 1 3 9 4 2 2 9 6 5 1 3
(GT444/GT555)
(Page 40)
SW JACK
Q
BOARD
CN890
E
R811
JK800
R812
+
L
F
–
+
R
–
G
w w w
HCD-GT111/GT222/GT444/GT555
• See page 27 for Circuit Boards Location.
3 4
POWERAMP BOARD
(GT222/GT555)
Q813
R848
D810
D804
JW862
JW879
D806 JW866
D805
JW878
C827
JW861
R862
C833
JW877
JW854
(GT111/GT444)
JW860
R831
Q800
E B
C835
R836
JW859
R834
R881
R838
JW868
R859
Q801
R832 R882
JW856
E B
R883
R865
R837
R860
R861
JW858
JW827
R866
R868
Q802
R833
JW834
R835 R839
JW850
D811
D807 JW846
R850
JW853
Q809
B E
R851
Q810
R863
R852
R864
Q814
JW863 (GT444/GT555)
R857
JW835
Q812
JW873
R867
R829
R884
JW804
R895
R820
R827
JW874
R830
R815
R805
L802
R819
R888
JW870
R841
R813 JW869
EP800
JW829
JW830
JW872
JW831
RY800
JW820
JW852
JW867
JW819 JW847
R878
(GT444/GT555)
CN801
R871
R869 R874 R875
13
R879
C838 C839
MAIN
H
BOARD
CN479
(Page 35)
x a o
y
. i
http://www.xiaoyu163.com
• : Uses unleaded solder.
5 6 7
C843
Q Q
3 7 6
C803
C804
R892
JW813
JW821
JW865
JW826
JW823
(GT222/GT555)
C806
C805
R807
R806
JW824
1
JW875
(CHASSIS)
u 1 6 3
41 41
2 4
8 9 9
8 9
3 1 5 1 5 0 8 9
R899
D812
R898
C807
11
C808
(11)
1-875-680-
m
c o
.
HCD-GT111/GT222/GT444/GT555
2
8 9 9
• Semiconductor
10
Location
Ref. No. Location
D800 E-8
D801 F-8
D802 C-4
D803 F-2
D804 B-3
D805 B-3
D806 B-3
D807 D-3
D808 A-3
D810 B-3
D811 D-4
D812 E-7
IC800 C-3
Q800 B-3
Q801 C-3
Q802 D-3
Q803 D-3
Q804 E-3
Q805 E-3
Q806 D-3
Q809 D-3
Q810 D-3
Q811 E-3
Q812 E-3
Q813 A-4
Q814 E-3
Q815 E-3
2 4 9 8 2 9 9
(GT111:E2,E3,E51)
(Page 48)
R
TRANS1 BOARD
CN903
(GT222/GT444/GT555)
S (Page
TRANS2 BOARD
CN903 50)
(GT111:AEP,RU,AR)
T
TRANSX BOARD
CN903
(Page 52)