52
52
HCD-EA20
IC951
IC911
IC521
IC501
IC551
( 1 )
( 2 )
( 5 )
( 3 )
( 4 )
( 6 )
( 7 )
( 1 0 )
( 9 )
( 1 2 )
( 8 )
( 8 )
( 1 1 )
( 1 1 )
S P E A K E R
F R O N T R
-
+
( 2 )
( 5 )
F R O N T L
-
+
( 7 )
( 9 )
C E N T E R
-
+
( 1 )
( 3 )
W O O F E R
-
+
( 1 0 )
( 1 2 )
S U R R R
-
+
( 4 )
( 6 )
S U R R L
-
+
POWER TRANSFORMER
(MAIN)
(1/2)
T 9 0 2
POWER TRANSFORMER
(MAIN)
(2/2)
POWER TRANSFORMER
(SUB)
T 9 0 2
FAN
1
5
1
10
E
E
E
1
3
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
1
1
2
2
5
E
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
14
15
*
*
6-22. PRINTED WIRING BOARD – AMP/SUB TRANSFORMER SECTION – • See page 27 for Circuit Boards Location.
•
: Uses unleaded solder.
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D321
D-12
D322
F-12
D323
F-12
D331
E-11
D371
E-12
D372
E-12
D381
F-11
D382
G-11
D401
C-13
D411
C-12
D430
C-10
D461
B-12
D462
C-10
D471
B-11
D472
C-11
D473
C-10
D901
G-5
D911
E-4
D912
D-4
Ref. No.
Location
• Semiconductor Location
D913
E-4
D914
E-4
D915
F-4
D951
F-7
D952
E-10
D954
C-9
D955
C-9
D956
B-9
D957
D-8
D958
D-8
IC301
E-12
IC401
C-12
IC501
E-15
IC502
E-14
IC521
C-15
IC522
D-14
IC551
G-15
IC552
H-14
IC911
F-5
IC951
D-10
IC952
C-9
IC953
C-9
Q321
D-11
Q322
F-12
Q323
F-12
Q331
D-11
Q332
D-11
Q371
E-12
Q372
E-12
Q381
F-10
Q382
F-10
Q383
G-10
Q401
B-13
Q411
C-11
Q424
E-8
Q425
D-8
Q426
D-8
Q461
C-12
Q462
C-10
Q463
C-10
Q472
B-11
Q473
B-10
Q474
B-10
Q476
C-10
Q477
B-10
Q478
B-11
Q479
C-10
Q511
E-13
Q512
F-13
Q521
C-13
Q522
D-13
Q551
F-13
Q552
G-13
Q901
G-5
Q972
B-14
Ref. No.
Location
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
9
4
2
9
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299