Power Block Diagram - Sony BDP-S485 Service Manual

3.5 POWER BLOCK DIAGRAM

MB-139 BOARD
UNSW12V
CN301 PCONT3
PS302
IC 302
1 1
2
2
1
2
IC310
DCDC6V
PCONT1
UNSW12V
UNSW-12V
7 7
DCDC4V
FE_GND_M
4 4
Q915
CN301
PS901
Q912
GND
6 6
PS301
FE-UNSW 12V FE-UNSW 12V
AU_ +12V
MC-202 BOARD
IC401 IC402
IC403
MIC MIX MIC
MIC AMP
AMP ATTENUATOR
Q401,Q402,Q403
MIC DETECTION
CIRCUIT
DDR3_1.5V
IC308
DDR3_1.5V
DDR3_1.5V
VREF_0.75V
VOLTAGE
DIVIDER
IC304 1.2VA
1
+1.2V
REGULATOR
PCONT3
IC306 3.3VA
1
+3.3V
REGULATOR
IC101
PCONT3
CXD9998G-AB/AC/CB/CC
IC 501
NAND
FLASH
GPI07
IC307
CORE_1.1V
+1.1V 1
REGULATOR
PCONT_CORE
IC704
A VDD33_HDMI
SFCS
+3.3V 1
REGULATOR
PCONT3
IC305
DAC 3.3 V
+3.3V IC903 IC904
REGULATOR AUDIO AUDIO MIX
DAC AMP
PCONT3
AU_ 12V
AU_ -12V
IC309
+5V
REGULATOR
ATA_PCONT1
AU_ 12V
CN901
1
2
1 2
CN401
IC404
MIC LIMITER
AMP
IC106
DDR3
SDRAM
DCDC4V
IC 301
+3.3V
REGULATOR
IC107
DDR3
SDRAM
IC206
DDR3
SDRAM
IC207
DDR3
SDRAM
DCDC6V
REGULATOR
USB_VBUS_PCONT1
AC7
DCDC6V
REGULATOR
USB_VBUS_PCONT2
AH5
DCDC6V
REGULATOR
PCONT3
IC901 DCDC6V
DAC 3.3V
AUDIO
ADC
DCDC6V
Q904,Q905,Q906 Q909,Q911,Q914
REGULATOR
MUTE CIRCUIT MUTE CIRCUIT
PCONT3
FE_SW5V
Q303
IC 1361
FE_SW12V
Q302
REGULATOR
IC 2401
MOTOR
DRIVER
3 -5E
IC 1203
UNSW3.3V IF CON
CN 1502
(IFCON FLASH WRITER)
PCONT1
PCONT2
PCONT3
PCONT_CORE
A_PCONT1
AT
IC 601
USB 5V
+5V
IC 603
DCDC6V USB 5V
+5V
REGULATOR
USB
CN604
USB 5V
IC 604 1
+5V
EXT
CN603
WLAN MODULE
FOR BDP-BX58/S580 ONLY
CN701
HDMI 5V
IC 705 HDMI OUT
+5V CN1204
CN702
6 19
PS1201
IC1003
VIDEO
BUFFER
IT_3.3V
IC 303
IF-172 BOARD
+5V
J901
IC 1401
CN1401
MO T OR
DRIVER
5V
8V
+8V
CN1102
3.3V
NISECON
CN1101
SW3.3V
ICE
BDP- S485
USB
EXT
ND701
Q706,Q707
CN202
VACUUM
DCDC
FLUORESENT
CONVERTER
DISPLAY
D705,D706
RECT
R708
IC703
IC702
REMOTE CONTROL
RECEIVER
VFD DRIVER
The components identifi ed by
mark or dotted line with mark
are critical for safety.
Replace only with part number
specifi ed.