Sony LDI-D100B - Block Diagram - POWER SUPPLY Section -

LDI-D100B
4-11 4-12
4-5. BLOCK DIAGRAM – POWER SUPPLY Section –
B+ SWITCH
Q1331, 1332
SWITCH
Q501
SWITCHING
REGULATOR
Q702
RESET SIGNAL
GENERATOR
IC504
SYSTEM CONTROLLER
IC501 (5/5)
DC/DC CONVERTER
IC701
DC/DC CONVERTER
IC703
05
38
SWITCHING
Q706, 707
SWITCHING
Q705-1
+5V
REGULATOR
IC503
CHARGE
SWITCH
Q796
CHARGE
CONTROL SWITCH
Q787, 788
BATTERY
CONTROL SWITCH
Q781, 782
MA 5V
BL 7V
BL ON
CS2
EXT2
VDD
F701
DC IN B+
CHARGE B+
RE VCC
VCC
DC/DC CONVERTER
T701
FAN 5V
SEN 5V
HI UNREG
BACKUP +5V
SYSTEM CONTROLLER (IC501) B+
M701
(FAN)
L704
L703
L706
RE A OUT
SCP: A
TH501
BACKUP +5V
HI UNREG
XRESET
61
BATT IN
70
TEMP
10
9
FB2
12
2
45
18
46
8
SWITCHING
REGULATOR
Q703
RE C OUT
SCP:C
40
24
71
BATT SENS
DC IN B+
D781
73
DC IN A/D
DC IN B+
84
DC IN MON
CHARGE B+
D789
72
CHARGE A/D
98
DD SENSOR
94
DD MAIN
95
CHARGE ON
96
BATT CHK
97
BATT CONT
93
BL ON
85
BATT IN MON
100
VIDEO 5V ON
L701
L702
L752
MA 5V
L710
D 5V
L705
L711
RE D OUT
SCP: D
39
29
SWITCHING
REGULATOR
Q701
RE B OUT
SCP:B
44
13
POWER CONT
CTL B
20
21
CTL C/D
22
L751
L753
B+ SWITCH
Q791, 792
BATTERY
CONTROL SWITCH
Q783, 784
BATTERY
CONTROL SWITCH
Q785, 786
B+ SWITCH
Q793, 794
B+ SWITCH
Q795
B+ SWITCH
Q751, 753
V 5V
VIDEO 5V
L712
12V
15.5V
(HVDD, VVDD)
AU 3.5V
(AU VCC)
L709
L708
D701
D702
L707
M
DC/DC CONVERTER
T702
D751
SWITCHING
Q705-2
CS1
EXT1
5
6
FB1
3
SHDN1
11
SHDN2
15
D752
D782
PS501
PS701
PS702
BACK LIGHT
UNIT
D783
D784
J701
DC IN 8.4V
–
+
F702
D785
(OFF: BATTERY PACK IN)
D786
F703
F704
BATTERY
TERMINAL
F705
Q789
BATTERY
CHECK SWITCH
+
–
F706
L754
SWITCHING
REGULATOR
Q704
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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