Power Supply - Panasonic SC-UA3E Service Manual

10.4. Power Supply

32.5V CN1002
1
CN1002
32.5V
2
PCONT CN1002
5
SMPS
MODULE
CN1002
PROTECT D
8
CN1002
SMPS ID
7
MV DET CN1002
9
MAIN P.C.B.
IC1002
+12V DC-DC
CONVERTER
Q1011
PW 32V PW +12V
2 VIN PH 10
PW 32V
5 RT/CLK BOOT 1
VSENSE 7 QR1003
QR1004
PCONT
PCONT
IC1102
+6V DC-DC
CONVERTER
PW +12V
3 VIN
5 EN
PCONT
PCONT
DC DET PWR
FROM/TO
DC DET PWR
SYSTEM
USB PCONT
CONTROL USB PCONT
USB OVC
USB OVC
Q1000
D1013
PROTECT D PW +12V BK
D1005
D1003
NC
MV DET
D1007
MV DET
D1014
MV DET
FROM/TO
SYSTEM
PROTECT
PROTECT
CONTROL
BT PCONT
BT PCONT
PW 32V
PW 12V
SWITCH
Q1008,QR1008
DC
PCONT
DETECT
D1004
PW 6V
D1001
PW OUT +5.6V
SW 2
BOOT 6
FB 4
IC9001
USB SWITCH
PW +5V +5V
5 VIN VO 1
USB PCONT
4 EN
USB OVC
3 FLAG
IC1000
+3.3V VOLTAGE
REGULATOR
D1002
+5V PW OUT +5.6V PW +3.3V
PW SYS +5V
3 VIN VOUT 2
REGULATOR
IC1005
+3.3V VOLTAGE
REGULATOR
PW SYS +5V PW SYS +3.3V
3 VIN VOUT 2
IC7001
VOLTAGE
DETECTOR
PW BT +5V +5V
4 VDD VOUT 3
BT PCONT
1 CE
36
MIC P.C.B.(FOR E/PR/PU)
+32V
PW SW +12.0V P1802 CN1401 PW XSW +12.0V +12V
5 5
+12V
PANEL P.C.B.
P1801 CN6001
PW 12V FL +12V
PW 12V FL
5 13
PW 3R3V P1801 CN6001 PW 3R3V +3.3V
3 15
PW 5V FL W BL P1801 CN6001 PW 5V FL W BL +5V
1 17
PW SYS3R3V P1801 CN6001 PW SYS3R3V +3.3V
7 11
+6V
+5V
+3.3V
IC1004
+1.5V VOLTAGE
REGULATOR
PW SYS +3.3V PW SOC +1.5V
4 VIN VO 3
1 CN
+3.3V
+5V
SC-UA3E/GN/PR/PU POWER SUPPLY BLOCK DIAGRAM
+12V
+12V
+3.3V
+5V
+3.3V
+1.5V