Power Block Diagram - Sharp LC-22LE240E Service Manual

6
1
ADAPTER SOCKET
W_ADAPTER
5
4
3
JK9
A
2
1
1
TP36
5V_VCC
CCFL INVERTER SOCKET
CN705
B
1 12V_INV
TP37
1
2
3
INVERTER SOCKET W/ADAPTER
722 TP39
1
4
7R 2
S1
5 DIMMING
S6
6 BACKLIGHT_ON/OFF
C
8B
12V_STBY
D
The blocks on power block diagram is using dependent to main supply. For PW26 and PW27
MOSFET_CONTROL
just common blocjs are enough for proper operation
LDO1
E 1
3V3_STBY
ADAPTER SOCKET
F303
W_ADAPTER
3
1 2 IN
5V_VCC
60R
5
GND
4
1
3
JK9
A
2
1
1
TP36
STBY_ON/OFF
F
STBY_ON/OFF_NOT
CCFL INVERTER SOCKET
CN705
B
R1697
1 12V_INV
10k
MOSFET_CONTROL TP37 2
1
2
1
For IPS16, IPS17, IPS60 below blocks must work properly
3
INVERTER SOCKET W/ADAPTER
TP39
1
4
S1
DIMMING
5
S6
6 BACKLIGHT_ON/OFF
C
SW1
12V_STBY
R1692
D
MOSFET_CONTROL 2 10k 1
939
8
SS
73
R1691
7
12V_VCC
EN For adopter case also below blocks are necessary
2 10k 1
484
C1131
R1710
6
COMP
1 3k9 2
1 2
LDO1
R1686
5n6F
E
5
FB 39k
50V
U175
LM1117
R1768
F303
3 2
1 2 IN OUT
5V_VCC
60R 1k
GND VOUT
1 4
STBY_ON/OFF
2
FS3
12V_STBY
1 2
!
7A/32VDC

POWER BLOCK DIAGRAM

FS2
12V_INV
1 2
7A/32VDC
SW1
12V_STBY
12V_VCC
12V_STBY
DC-DC1
NC
DC
DC-DC2
DC
W/ADAPTOR & W/IPS16&17&60&PW25
SW1
1
7A/32VDC
R1724
1 47R 2
3
R1692
Q182
2
2 10k 1
BC848B
1
SW3
2 3
U175
LM1117
FS3
2 12V_STBY
1 2
OUT
2V5_VCC
!
7A/32VDC
C1033
VOUT
22uF
FS2
4
12V_INV 6V3
1 2
7A/32VDC
3V3_VCC
DC/DC1
100R
1 2
R1720
R1723
1 47R 2 F9
1 2
12V_VCC
NC
60R
S89
0R
F287
12V_STBY 1 2
60R
C1091
S83 22uF
MOSFET_CONTROL
16V
NC
3
Q183
2
1
BC848B
2
1
W/ADAPTOR & W/IPS16&17&60&PW25&PW06
FS5
1 2 12V_VCC
7A/32VDC 12V_VCC
4A
12V_STBY
R1724
1 47R 2
3
Q182
2
BC848B
1
F300
1
5V_VCC
330R
DC/DC3
3V3_STBY
C1107
2V5_VCC
6 EN
C1033
22uF
1uF
5
6V3
6V3
F291
4
3V3_VCC
1 2
60R
100R
1 2
R1720
C1093 C1094
22uF 22uF
6V3 6V3
NC
S89
7
3
DC/DC1
F9
12V_VCC
U174
1 2
C1112
MP1583
60R
DC-DC4 2
10nF
0R 1 BS
F287 16V 1 SS
2
1 2 IN EN
60R 3
C1091 C1092 C1037 SW COMP
DC
4
22uF 22uF 100nF GND FB
16V 16V 16V
DC
5V_STBY
DC
SW2 L118
1 2
15uH
C1102
22uF
16V
3V3_STBY
DC
SW3
FS5
F10
2 12V_VCC
1 2
12V_VCC
C1114
60R
10nF
4A
F286 16V
12V_STBY 1 2
60R
C1089 C1090
22uF 22uF
16V 16V
FS4
DC/DC3
1 2 3V3_VCC
4
7A/32VDC R1738 R1769
3V3_STBY
20k 100k
C1107 2A
6 EN 1
FB
U176
W/ADAPTOR
1uF
5 2 10UH
VIN GND
6V3
MP2012 L116
F291
4 3
1 2 PVIN SW
60R 10uH
C1093 C1094 C1101
22uF 22uF 22uF
C1038
6V3 6V3 6V3
100nF
U174
C1112
MP1583
2
10nF 16V
1 BS 8
1
16V SS R1972
2 7
12V_STBY
IN EN 2 10k 1 R1709
3 6
SW COMP
C1092 C1037 R1690 1 3k9 2
4 5 1 2
22uF 100nF GND FB
1 10k 2
5n6F
16V 16V
50V
C1130
F7
1 2 5V_VCC
60R
L118 F6
1 2 1 2 5V_STBY
15uH 60R
C1102 C1103 MOSFET_CONTROL
22uF 22uF
16V
16V
3
DC/DC2
F10
30068939
1 2
C1114
60R 1 8
2
BS SS
10nF
F286 16V 1 U23
R1689
2 7
1 2 IN EN 2 10k
60R
MP1484 C1129
C1089 C1090
3 6
22uF 22uF SW COMP
1 3N3 2
16V 16V
5n6F
4 5
GND FB
50V
for 3v3 Panel Sup.
L123
NC
1 2
15uH
L16
10uH
LDO2 C1096 C1097
22uF 22uF
6V3 6V3
AP211H
U2
COMMON LM1117
3 2
2 IN OUT
C1212
ADJ VOUT
1 4
R1738 R1769
20k 100k
R1770
1
FB 150k
12V_VCC
27
U176
150K
100R
2 10UH
VIN GND
1 2
MP2012 L116
R25
3
1V8_VCC
PVIN SW
10uH
C1101 C1098
22uF 22uF
6V3 6V3
8
4 5
W/ADAPTOR
C1038
100nF
5V_STBY
16V
8
R1972
7
12V_STBY
2 10k 1 R1709
6
R1690 1 3k9 2
1V2_VCC
5 1 2
1 10k 2
5n6F
50V
C1130
F7
1 2 5V_VCC
60R
F6
1 2 5V_STBY
5V_VCC 60R
C1103 MOSFET_CONTROL 2
22uF
LDO2
16V
3V3_TUN
LDO
3V3_VCC
DC/DC2
DC-DC3
30068939
DC 1V8_VCC
1 8
2
BS SS
DC
1 U23
R1689
2 7
12V_STBY
IN EN 2 10k 1
C1129
MP1484
R1708
3 6
LDO1
SW COMP 5k6
1 2
3N3
R3
5n6F 2V5_VCC
4 5
GND FB 6k8
50V
LDO
for 3v3 Panel Sup.
L123 F12
NC
1 2 1 2 3V3_VCC
15uH 60R
L16
F11
1 2
3V3_STBY
10uH
60R
C1096 C1097
22uF 22uF
6V3 6V3
COMMON
5 6
C1113
R1770 F273
150k 1 2
12V_VCC
60R
150K C1085
22uF
16V
1V8_VCC
C1098
SW2
22uF
6V3
5V_STBY
25V
R1722
1 47R 2
3
R1698
Q184
2 10k 1 2
BC848B
1
4 5
3V3_STBY
12V_STBY
1
R1708
5k6
R3
6k8
F12
1 2
3V3_VCC
60R
F11
1 2 3V3_STBY MOSFET_CONTROL
60R
3V3_TUNER
DC/DC4
C1034
2
22uF
100nF
6V3 1
10V
30068939
C1113
1 8
2
BS SS
10nF
U173
F273 16V 1
R1691
2 7
1 2 IN EN
2 10k 1
60R
MP1484
C1085 C1084 C1131 R1710
3 6
22uF 22uF SW COMP 1 3k9
1 2
16V 16V
5n6F
4 5
GND FB
50V
R1768
1k
L117
LC-22LE240
6
SW2
A
5V_VCC
25V
R1722
1 47R 2
3
R1698
Q184
10k 1 2
BC848B
1
B
3V3_STBY
R1697
10k 2
MOSFET_CONTROL 2 1
C
DC/DC4
7
30068939
1 8
2
BS SS
10nF
1 U173
16V
R1691
2 7
12V_VCC
IN EN POWER BLOCK DIAGRAM
2 10k 1
MP1484
C1131
C1084 R1710
3 6
22uF SW COMP
1 3k9 2
1 2
16V R1686
5n6F
SW1
4 5
GND FB 39k
12V_STBY 50V 12V_VCC
R1768
DC-DC4
1k
DC
DC-DC1
5V_VCC
DC 5V_STBY
DC
L117
SW2
1V2_VCC
10uH
C1087 C1086
22uF DC-DC2 22uF
6V3 6V3
DC 3V3_STBY
DC
SW3
D
6
SW3
FS4
1 2
7A/32VDC
2A
R1723
1 47R 2
3
R1697
Q183
2 10k 1 2
BC848B
E
1
LDO2
U2
LM1117
12V_VCC F300
3
5V_VCC 1 2 IN
330R
2
ADJ VOUT
R1686
1
39k
1
12V_S
SW3
R1723
1 47R 2
3
Q183
BC848B
1
5V_V
1V2_VCC
DC
5V_VCC
3V3_VCC
DC-DC3
DC
DC
LDO1
LDO
3V3_VCC
AP211H
2
OUT
C1212
22uF
4
6V3
100R
2
R25