Sony CX-LEM550 - Main Board Diagrams

2020
CX-LEM550
7-4. PRINTED WIRING BOARD — MAIN BOARD —
• See page 15 for Circuit Boards Location. :Uses unleaded solder.
E
E
E
Q333
Q315
Q338
E
Q342
Q343
E
E
Q329
Q330
Q328
Q332
Q331
EE E
E
E
Q320
E
Q327
Q326
E
E
E
IC302
E
E
E
E
E
E
E
E
E
E
E
E
E
E
JR302
JR303
E
CD
BOARD
CN201
A
AMP
BOARD
CN308
B
CONTROL
BOARD
CN303
C
MAIN BOARD
R
L
1-861-718-
5
6
7
1
2
3
4
L-CH
REC/PB
HEAD
R-CH
ERASE
HEAD
13
2815
1
14
2
654
HP
BOARD
CNB501
D
POWER
BOARD
CN903
E
AMP
BOARD
CN307
F
CONTROL
BOARD
CNB302
G
R
L
+
+
−
−
MD
J303
SPEAKER
IMPEDANCE
USE6-16Ω
J302
(Page 18)
(Page 22)
(Page 24)
(Page 22)
(Page 26)
(Page 22)
(Page 24)
• 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
D309 A-4
D310 E-5
D311 E-6
D312 D-3
D313 D-3
D317 E-6
D318 F-4
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
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