Read Sharp LC-40LS240E Service Manual online
26
LC-40LS240
DC
DC
DC
DC
DC
DC
DC
DC
LDO
12V_STBY
12V_VCC
1V2_VCC
5V_STBY
5V_VCC
3V3_STBY
3V3_VCC
2V5_VCC
1V8_VCC
SW1
LDO
DC-DC4
SW2
SW3
DC-DC2
DC-DC1
DC-DC3
POWER BLOCK DIAGRAM
LDO1
LDO2
3V3_TUN
2
&
6?6##
2
&
&
2
6?6##
U(
,
&3
!6$#
1
&$#0
40
40
40
40
6
#
U&
U&
6
U&
#
U&
6
6
#
6
U&
#
2
K
6
#
N&
K
2
K
2
#
N&
6
2
2
1
"#"
"#"
6?34"9
K
2
2
K
-/3&%4?#/.42/,
6
2
K
6?6##
-/3&%4?#/.42/,
&$#0
1
K
2
6?34"9
1
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"#"
2
2
N&
6
#
K
2
!6$#
&3
K
2
,
U(
2
&
#
6
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N&
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6
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2
6?34"9
6?34"9
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FOR
For IPS16, IPS17, IPS60 below blocks must work properly
For adapter case also below blocks are necessary
The blocks on power block diagram is using dependent to main supply. For PW26 and PW27
just common blocks are enough for proper operation
just common blocks are enough for proper operation
K
2
&
2
6?6##
3
,
U(
6
U&
#
40
3
40
#
U&
6
U&
6
#
N&
6
2
2
2
2
2
2
K
2
#
U&
6
U&
6
2
K
6
#
U&
U&
U&
#
6
34"9?/./&&
34"9?/./&&?./4
-/3&%4?#/.42/,
,
U(
6
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6
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K
2
6
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2
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6
6
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6?6##
2
K
5
-0
33
%.
#/-0
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'.$
37
).
"3
K
2
6?6##
N&
#
6
N&
#
6
2
&
2
K
2
2
K
2
#
6
U&
#
N&
6
#
6
U&
6?6##
5
,-
6/54
).
/54
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2
2
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5
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6).
06).
37
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6?6##
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+
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