Sharp LC-24LE240E Service Manual page 71

POWER_2 Diagram
1 2
ADAPTER SOCKET
I FS3
W_ADAPTER
1 2
!
7A/32VDC
5
FS2
4
1 2
7A/32VDC
3
A JK9
2
1
1
TP36
H
NC
CCFL INVERTER SOCKET
CN705
B
1 12V_INV
G
TP37
1
2
3
INVERTER SOCKET W/ADAPTER
TP39
1
4
S1
5 DIMMING
S6
6 BACKLIGHT_ON/OFF
F
C
SW1
12V_STBY
E
R1724
47R
1 2
3
R1692
D Q182
MOSFET_CONTROL 2 10k 1 2
BC848B
1
D
LDO1
C
E
U175
LM1117
F303
3 2
5V_VCC 1 2 IN OUT 2V5_VCC
60R
C1033
GND VOUT
22uF
1 4
6V3
100R
1 2
R1720
B
NC
S89
STBY_ON/OFF
S83
F
STBY_ON/OFF_NOT MOSFET_CONTROL
A
1 2
1 2 3
3 4
12V_STBY
W/ADAPTOR
12V_INV
DC/DC1
C1038
F9 100nF
U174
12V_VCC 1 2
C1112
MP1583
60R
2
10nF 16V
0R 1 BS 8
F287 16V 1 SS
R1972
2 7
12V_STBY 1 2 IN EN 10k
2 1
60R 3 6
SW COMP
C1091 C1092 C1037 R1690
4 5
22uF 22uF 100nF GND FB 10k
1 2
16V 16V 16V
1
L118
1 2 1
15uH
C1102 C1103
22uF 22uF
16V 16V
W/ADAPTOR & W/IPS16&17&60&PW25&PW06
DC/DC2
FS5
F10
1 2 12V_VCC 30068939
7A/32VDC 12V_VCC 1 2
C1114
60R 1
2 BS
4A 10nF
U23
F286 16V 1
2
IN
12V_STBY 1 2
60R MP1484
C1089 C1090
3
22uF 22uF SW
16V 16V
4
GND
for 3v3 Panel Sup.
L123
NC
1 2
15uH
L16
10uH
C1096
22uF
6V3
COMMON
DC/DC3
R1738 R1769
3V3_STBY 20k 100k
C1107
R1770
6 EN 1
FB 150k
U176
150K
1uF
5 2 10UH
VIN GND
6V3
MP2012 L116
F291
4 3
3V3_VCC
1 2 PVIN SW
10uH
60R
C1093 C1094 C1101 C1098
22uF 22uF 22uF 22uF
6V3 6V3 6V3 6V3
3 4
4 5 6 7
5 6
SW2
5V_STBY
12V_STBY
R1709
25V
1 3k9 2
1 2
5n6F
R1722
50V
C1130
1 47R 2
F7
2 5V_VCC
60R
F6
3
5V_STBY
2 R1698
60R Q184
MOSFET_CONTROL 10k 2
2 1
BC848B
1
3V3_STBY
8
SS
R1689
7
EN 12V_STBY
2 10k 1
C1129
R1708
6
COMP 5k6
1 3N3 2
R3
5n6F
5
FB 6k8
50V
F12
1 2 3V3_VCC
60R
F11
R1697
1 2 3V3_STBY MOSFET_CONTROL 2 10k
60R
C1097
22uF
6V3
DC/DC4
30068939
C1113
1 8
2
10nF BS SS
1 U173
F273 16V R1691
2 7
1 2 IN EN 12V_VCC
12V_VCC 2 10k 1
60R
MP1484
C1085 C1084 C1131 R1710
3 6
22uF 22uF SW COMP
1 3k9 2
1 2
16V
16V R1686
5n6F
4 5
1V8_VCC
GND FB 39k
50V
R1768
1k
L117
1V2_VCC
10uH
C1087 C1086
22uF 22uF
6V3 6V3
5 6
8 9 10
71
7 8
POWER BLOCK DIAGRAM
SW1
12V_STBY 12V_VCC
DC-DC4
DC 1V2_VCC
DC-DC1 DC
5V_VCC
DC 5V_STBY
DC
SW2
5V_VCC
LDO2
DC-DC2
LDO
DC 3V3_STBY
DC
SW3
3V3_VCC
DC-DC3
DC 1V8_VCC
DC
LDO1
2V5_VCC
LDO
SW3
FS4
1 2 3V3_VCC
7A/32VDC
2A
R1723
47R
1 2
3
Q183
1 2
BC848B
1
LDO2
AP211H
U2
LM1117
F300
3 2
5V_VCC 1 2 IN OUT
330R
C1212 C1034
ADJ VOUT
2
22uF 100nF
1 4
6V3 1
10V
100R
1 2
R25
VESTEL
17mb62-2v3
PROJECT NAME :
POWER_2
SCH NAME :
DRAWN BY : <YOUR NAME HERE> 27-10-2011_09:04
7 8
11 12 13
LC-24LE240
A
3V3_TUN
B
C
D
E
3V3_TUNER
F
A3
8
T. SHT:
A X M
14 15 16