LG DP372D - Power Block Diagram

3-22
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. POWER BLOCK DIAGRAM
Battery Charge Circuit
BAT Con
AC/DC Adapter
12V
12V
in
in
BAT
BAT
ou
ou
t
FET
SW
SW
(12
(12
V i n)
Cha
Cha
rge
rge
E
E
na
na
ble
ble
Cha
Cha
rge
rge
The
The
rmi
rmi
st
st
er
Divide Divide
DC
DC
Sen
Sen
se
se
BAT
BAT
Se
Se
ns
ns
e
DC-DC
AM5898N
Reg
5VA
5VA
3.3
3.3
V
1.8
1.8
V
S/W
S/W
A+5
A+5
V
Sta
Sta
ndb
ndb
y
LCD
Panel
Video
Audio
System
Servo
A+5
A+5
v
A-5
A-5
V
3.3
3.3
V
1.8
1.8
V
LCD
Vcc
7.5
7.5
V
15V
15V
-10
-10
V
D5V
D5V
7.5
7.5
V
15V
15V
-10
-10
V
D5V
D5V
AV+5V
+5V
M5V
M5V
Charge Discharge
RCR
RCR
256
256
1
GT6
GT6
319
319
REMOCON
RECEIVER
5VA
5VA