Printed Wiring Board - Headphone Board; Schematic Diagram - Headphone Board - Aiwa CX-BK33 Service Manual

CX-BK33
Q Q
3 7 6 3 1 5 1 5 0
7-23. PRINTED WIRING BOARD – HEADPHONE Board –
: Uses unleaded solder.
1
HEADPHONE
BOARD
A
JR501
JW523
B
T E
L 1 3 9 4 2 2 9 6 5 1 3
R521
C
5
CN530
w w w
D
FRONT AMP BOARD
K
• See page 35 for Circuit Boards Location.
2
J521
PHONES
R522
W505
12
(12)
1
(CHASSIS)
x a o
. i
CN504
(Page 47)
http://www.xiaoyu163.com
Q Q
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u 1 6 3
y
54 54
http://www.xiaoyu163.com
2 4
8 9 9
7-24. SCHEMATIC DIAGRAM – HEADPHONE Board –
CN530
5P
GND
O-P0WER
R-IN
L-IN
RELAY SW
(Page 48)
R522
2.2k
R526 R524
270 270
1/2W 1/2W
R525 R523
270 270
1/2W 1/2W
3 1 5 1 5 0 8 9
m
c o
.
2
8 9 9
JW523
J521
PHONES
W505
R521 C550
2.2k 0.22 (CHASSIS)
2 4 9 8 2 9 9