Sony BDP-BX58 Service Manual page 44

4-8. MB-139 BOARD (CXD9998G-AB/AC/CB/CC) SCHEMATIC DIAGRAM (3/17)
- Ref. No.: MB-139 board; 10,000 series
1
2
A
DCDC6V
B
PCONT3
DCDC4V
C
DCDC4V
D
E
F
G
GND
UNSW12V
L308
1uH
H
PCONT1
R337
1k
1/16W
GND
(1-564-006-11) PS302
3 15A
JL301
UNSW12V
1
JL 02 C301
UNSW12V XX
I 2
J 5
FE UNSW12V 3 FE UNSW12V
PS301 C302
FE GND M
4 2A XX
JL310
GND
5 FE GND M
GND 6
JL320 JL319
UNSW-12V
7 UNSW-12V
CN301
7P
DCDC4V
J
GND
3 4 5 6
SW5V
SW5V
5 4
C332
C317
1
1 1608
1608
1 2 3
C322
XX
C320
XX
R307 1.2VA
1k
MM3404Z11NRE
IC304
VDD VOUT 1 2VA
GND
CE NC
R305
1k
1 15V REG
C310 C312 C326 C330
10 XX XX
10
6 3V 1005 1005 6 3V
X6S 1608
2012
DAC3.3V
DAC3 3V
5 4
C314 C327
1
1
1608
1608
1 2 3
C303 C324
R309 XX XX
1005
1k 1005
3.3VA
3 3VA
5 4
C381 C335
1 1
1608 1608
R340 1 2 3
1k
C382
25V
C391 X7R 1
1005
XX
1005
C366
0 1
Compaci Macro 16V
(MPS or Rhom or Richtek) X7R
L307
10uH
R339
0
1005
CHIP C384
XX
4 3 2 1
R350
R348 56k
XX
C371 C383
C370 10 10
XX
C365 16V 16V
10 9 X6S X6S
3216 3216 3216
16V 5 6 7 8
R351
10k Q304
R347
0 5% DRC5114E0L
15k
R352
R353
C367 220
0 001 C369 0 5% XX
25V
1005
0 01
C368
XX
C336
0 1
L301
10uH
R316 C339
0 XX
1005
CHIP
UNSW3.3V
4 3 2 1
UNSW3 3V
R373
XX
5 4
9
5 6 7 8
R304
1k Com aci M ro
(MPS or Rhom r Richtek)
R302
100k
1 2 3
C304 C308 C309 C319 C321
C306 X 10 0 022 C323
XX 1 0 01 1 0 01
16V C331
C364 C329 C337 C338
XX XX 22 22
B 6 3V
3216
• See page 5-4 for printed wiring board.
7 8 9
C349
0 1
Compaci Macro 16V
X7R
(MPS or Rhom or Richtek) 1005
UNSW12V R345
L305 0
1005
2 2uH
CHIP
C340 C342 4 3 2 1
10 XX
16V
X6S
3216
9
5 6 7 8
C346
R336
C305 0 01
15k 25V
XX
X7R
C307
0 01
1005
R327
1k
1005
PCONT CORE
C361
XX
UNSW12V
L306
2 2uH
C341 C343
10 10
16V 16V
TPS54225PWP
R333 IC308
3k
1/16W
C347
1 VO VCC
10V
B R346
1608 VFD VIN
0
VREG5 VBST
C348 SS SW2
R334 3300p
3 3k 50V
1/16W X7R GND SW1
JL312
PG PGND2
PCONT3 EN PGND1
R343
1k
R335 C344
68
1/16W XX
DCDC6V
DCDC6V
P FAIL
FE UNSW12V
4 5 6
S D D
G D D
3 2 1
UNSW12V
DCDC4V
DCDC4V
R321
33k
Q303
0 5% DRC5114E0L
1005
FE GND M
R322
8 2k
0 5%
1005
DCDC6V
VIN VOUT
C377
1 NC NC
10V
B
1608 NC GND
P FAIL ATA PCONT1
R376
CONT CN
1k
C376
R324 XX
XX Q301 IC309
MM1855AHBE
DRC5114E0L
R323
560
1005
4-8
BDP-BX58/S480/S483/S580
10 11 12
13
CORE_1.1V
L303
10uH
C328
XX R330
3 3k C318 C353 C355
0 5% 22 22 XX
6 3V
1005 6 3V
B B
R342 3216 3216
XX
C362
XX
R331
10k
R332
1 5k
Q305
R370
DRC5114E0L 1 5k
C325
XX R371
2 2k
DDR3_1.5V
EMI
L304 C357 C333
2 2uH XX XX
2012
C350
0 1
16V FL302
C354
XX EMI
C358 C334
XX XX
2012
C351 C352 C356
22 22 XX
6 3V 6 3V
B B
3216 3216
R344
XX
FE SW12V
FE_SW12V
C373
0 01
25V
X7R
R363
R362 2 2k
2 2k
1608 1608
FE_SW5V
FE SW5V
C378 C311
XX
10
10V
C
2012
C379
0 01
25V
X7R
14
CORE 1 1V
DDR3 1 5V
The components identifi ed by
mark or dotted line with mark
are critical for safety.
Replace only with part number
specifi ed.
POWER
MB-139