Printed Wiring Board - Main Board - Aiwa CX-LEM330 Service Manual

CX-LEM330
Q Q
7-4. PRINTED WIRING BOARD — MAIN BOARD —
3 7 6 3 1 5 1 5 0
MAIN BOARD
L
J303
MD
R
HP
D
BOARD
CNB501
+
(Page 22)
L
−
J302
SPEAKER
IMPEDANCE
T E
L 1 3 9 4 2 2 9 6 5 1 3
USE6-16Ω
−
R
+
w w w
• See page 15 for Circuit Boards Location.
CD
AMP
A B
BOARD
BOARD
CN201
CN308
(Page 18)
(Page 22)
E
E
E
F G
POWER AMP CONTROL
BOARD BOARD BOARD
CN903 CN307 CNB302
(Page 26) (Page 22) (Page 24)
x a o
y
. i
http://www.xiaoyu163.com
:Uses unleaded solder.
CONTROL
C
BOARD
CNB303
(Page 24)
1
14
15 28
IC302
E
E E
Q342
Q343
Q Q
3 7 6
E E
E
E
E
E
E
E
u 1 6 3 E E
.
20 20
http://www.xiaoyu163.com
2 4
8 9 9
Q329
Q328
Q330 Q332
E E E
E
E
Q331
Q327
Q326
E
E
1
2
3
4
5
6
7
6 5 4
2 3 1
E
E
3 1 5 1 5 0 8 9 2
E
E
E
E
Q333
E
Q338
E
1-861-718-
Q315
m
c o
2
8 9 9
• Semiconductor
Location
Ref. No. Location
D301 F-6
D302 C-3
D303 D-3
D304 E-4
D305 B-5
D306 B-5
D307 E-6
D308 F-5
L-CH
D309 A-4
D310 E-5
REC/PB
D311 E-6
HEAD
D312 D-3
R-CH
D313 D-3
D317 E-6
ERASE
D318 F-4
HEAD
D319 G-4
D320 C-3
D386 D-5
D387 D-4
D388 D-3
D389 D-3
D390 B-1
D392 C-2
D393 B-2
D396 A-3
4 9 8 2 9 9
IC302 B-5
Q311 F-5
Q312 E-4
Q313 E-4
Q314 E-4
Q315 F-6
Q317 C-4
Q319 D-3
Q320 C-3
Q326 B-6
Q327 B-6
Q328 A-6
Q329 A-6
Q330 A-6
Q331 A-6
Q332 A-7
Q333 F-6
Q334 G-5
Q335 G-5
Q336 G-5
Q337 F-4
Q338 F-6
Q342 C-5
Q343 C-4
Q344 D-6
Q345 D-6
Q346 C-6
Q347 C-5
Q348 D-6
Q349 D-4
Q350 G-4