S3.7. Power Supply Block Diagram - Panasonic SDR-S45EG Service Manual

S3.7. Power Supply Block Diagram

VBUS ON H
FROM
AUDIO/VIDEO
BL CONT
66
QR1002
FROM PW +B
CHARGE
17
P ON H
QR1001
E POW RST
QR1101
SW NOREG
67
VREF BOSS
65
FROM
SYSTEM CTL
68
CTL6 ON H
55
CTL7 ON H
19
CCD ON H
LCD ON H
IC1001
(DC-DC CONVERTER)
VCC
PWM
CTL
OSC
CTL1
POWER
VREF
CTL, PWM
UVLO
VREF CTL
SHORT
CIRCUIT
PROTECT
RT
PWM
CTL
VREF
PWM
CTL
PINE6
CTL6
CTL7
PWM
CTL
PWM
CTL
PWM
CTL
VO5
DRIVE FET 71
ERROR AMP
71
VO4-A
DRIVE FET FET 54
VO4-B
53
MINE4
ERROR AMP 43
VO3-A
DRIVE FET
10
VO3-B
9
MINE3
ERROR AMP 13
VO2-A
DRIVE FET
34
VO2-B
33
MINE2
ERROR AMP 38
VO1-A
DRIVE FET 28
VO1-B
27
MINE1
ERROR AMP 41
DRV6
DRIVE 60
INO6
COMP. 61
ERROR AMP
DRVL7
DRIVE 20
MINE7
ERROR AMP 15
S-12
IC102
(VOLTAGE REGULATOR)
5 V IN V OUT 4
CONT
1
IC1301
(VOLTAGE REGULATOR)
5 V IN V OUT 4
V CONT
1
IC1411
(3.2V REGULATOR)
V IN V OUT
4 5
CONTROL
3 IC1412
(3V REGULATOR)
5 V IN V OUT 4
CONTROL
1 IC1413
(3V REGULATOR)
V IN
5
CONTROL
IC1414
(VOLTAGE DETECT)
2 VDD OUT 1
Q1261
POWER
CONTROL
IC1371
(VOLTAGE REGULATOR)
V OUT1 8
2 V+
V OUT2 6
CNT1 CNT2
1 4
Q1002 Q1271
Q1381
POWER POWER
CONTROL CONTROL
QR1003
Q1383,
Q1384
8.6V
CONTROL
SDR-S45EG/EF/EC/EP/EB/EE/GC/GA/GN/PU/PR
POWER SUPPLY BLOCK DIAGRAM
PW TAGFE5V
PW VBUS
PW REG5V
QR1411
PW LCD5V
PW REG3R2V
PW REGA3V
V OUT PW FROM3V
4
1
PW REG3V
PW SPK3V
PW LENS3V
Q1421
PW LCD3V
PW REG1R8V
PW UNP1R1V
PW UNP1R2V
PW LCDBL H
PW 12V
PW -7R5V
QR1481
PW LCD8R5V
Q1481