Block Diagram - Power Supply Section - Sony HBD-E2100 Service Manual

6-5.

BLOCK DIAGRAM - POWER SUPPLY Section -

3.3V
1.2V
+5V REG
+3.3V REG
+3.3V REG
UNSW 5.5V
PANEL 5.5V
PCONT3
MAIN
D
SECTION
PCONT2
(Page 39)
PCONT1
HBD-E2100/E3100/E4100/E6100
DCDC5V
FE_SW5V
12V VOLTAGE
CONTROL
Q205
FE_SW12V 5 4
3
OVERLOAD
DETECTION
Q202
3.3V VOLTAGE
CONTROL DC-DC CONVERTER
Q204 IC203
5 4 3 SW1 VIN1 1
SW2
3
14
OVERLOAD
DETECTION
Q203
DC-DC CONVERTER
IC204
3 SW1 VIN1 1
EN2
12
OVERLOAD
DETECTION
Q201
+5V REG
3 4
IC710
+3.3V REG
4 5
IC805
+3.3V REG
4 5
IC804
F802
5V VOLTAGE
CONTROL DC-DC CONVERTER
Q206 IC205
5 4 3 SW VIN 2
EN
3
7
OVERLOAD
DETECTION
Q207
SYSTEM CONTROLLER
IC801 (3/3)
PVDD_VOL_SEL(EJ) 99
AMP
F
SECTION
EN_POWER
(Page 40)
41 41
HBD-E2100/E3100/E3200/E4100/E6100
SWR1
SWITCHING
REGULATOR
F202
UNSW12V
F203
FEUNSW12V
F201
ICUNSW12V
PVDD_CONT
EN_POWER
(AC IN)
Ver. 1.5