Panasonic SC-HC395EG

58
10.4. POWER SUPPLY (1/2) BLOCK DIAGRAM
1
3
2
4
RESET
IC8002
NRSTNRST
VIN
VOUT
NRST
2
1
+3.3V VOLTAGE
REGULATOR
IC1108
PW STBY3R3V
PW STBY3R3V
PW STBY1R5V
CE
VIN
VOUT
1
2
3
ADJ 4
+12V VOLTAGE
REGULATOR
IC1105
PW FL12V
CE
VIN
VOUT
5
3
1
ADJ 4
+3.3V VOLTAGE
REGULATOR
IC1103
VIN VOUT
3
2
+1.5V VOLTAGE
REGULATOR
IC1106
CE
VDD
VOUT
1
4
3
D6550
M VDET
M VDET
PCONT
IC1101
PW D5R7V,
PW FL5V
PW FL5V
PW M5R2VCC,
EN
VIN
SW(VOUT)
19V
4
5
6
BOOT 1
FB 3
+5V SWITCHING
VOLTAGE
REGULATOR
IC1104
PW USB 5V
EN
VIN
SW(VOUT)
19V
7
2
3
BOOT 1
FB 5
19V
19V
19V
19V
19V
PW DAMP19V
19V
5V
1.5V
3.3V
PW 3R3VPW 3R3V
+5V VOLTAGE
REGULATOR
IC1109
VIN VOUT
1
3
+5V VOLTAGE
REGULATOR
IC7230
VDD VOUT
4
3
PW BT5V PW BT5V 5V
3.3V
PW M5R2VCC,PW D5R7V,PW FL5V
5V
PW USB 5V,PW 5V VBUS
5V
USB OVER CUR
USB OVER CUR
PW DAMP19V
SMPS CUT
SMPS CUT
QR400
SWITCH
4G
1 S
2S
3 S
D5
D 6
D 7
D8
SWITCH
Q404
QR1100
PCONT
PW STBY3R3V
PW M5R2VCC,PW D5R7V,PW FL5V
PW 3R3V
PW FL12V
F1
Z1752
77
CN1100P1700
19V
19V
55
CN1100P1700
19V
19V
SWITCHING
REGULATOR
IC1700
D1701
L1702
P1751
1
4
2
3
1
3
5
6
2
TRANSFORMER
T1700
QR1700,Q1700,Q1701
7
8
9
10
11
12
VCC 2
FB/OLP 4
S/OCP 1
D5
D 6
D 7
D8
D1708
D1703
3
4
2
1
FEEDBACK
SHUNT
REGULATOR
IC1701
FEEDBACK
CIRCUIT
2
CN1100
PCONT3
2
P1700
PCONT3
1
CN1100
Burst SW
1
P1700
STANDBY CTRL
D1700
D1220
D1115 D1221
D1104 D1223
D1112D1113 D1101
D1224
SECONDARYPRIMARY
PC1702
USB EN
USB EN
DC DET PWR
DC DET PWR
PCONT
PCONT
PCONT3
PCONT3
STBY CTRL
STBY CTRL
SC-HC395EG,SC-HC397EB/EG POWER SUPPLY (1/2) BLOCK DIAGRAM
TO POWER SUPPLY
BLOCK (2/2)
FROM
SYSTEM CONTROL
TO
SYSTEM CONTROL
FROM
SYSTEM CONTROL
TO
SYSTEM CONTROL
TO
SYSTEM CONTROL
AC INLET
SMPS P.C.B.
MAIN P.C.B.