Sharp LC-32LE631E Service Manual page 117

10-3 Main Unit (SSB) (Continued)
DC/DC
B03B
I I I I
H H H H
G G G G
F F F F
3U04
IU05
IU24
E E E E
ENABLE-1V8
+1V1
+1V8
RES
GND-SIG
7U00 3U02 IU01
BC847BW
3 22K 3U03
IU03
1
12K IU02
GND-SIG
GND-SIG
2
+3V3-STANDBY 2U06
3U00
+1V1
D D D D
10K 100n
3U01
C C C C
3U22
3U08
IU04
+1V8
1K0 1%
330R 1%
GND-SIG
B B B B
A A A A
1 1 1 1 2 2 2 2 3 3 3 3
B03B DC/DC Schematic Diagram
7U02-1
SI4952DY
IU10
2
2U21
220p
IU11
7U02-2
SI4952DY
IU09
4
3U27
IU08
10R
IU06 2U02 IU07
100n
3U05
7U03
TPS53126PW
IU16
2 23
1 1
11 VBST DRVL 14
2 2
3 1
1 1
10 EN DRVH 12
2 2
4 24
1 1
9 VO SW 13
2 2
5 22
1 1
8 VFB PGND 15
2 2
21 7
1 1
16 TRIP TEST 17
2 2
GND-SIG
FU04
20 18
VIN V5FILT
19
VREG5 IU25
GND
GND-SIG
GND-SIG
GND-SIG GND-SIG
GND-SIG
4 4 4 4 5 5 5 5 6 6 6 6
FU05
7 8
12V/1V8 CONVERSION
FU02 5U00
3u6
5 6
IU23
IU15
7U01
SI4778DY
5 6 7 8
IU12
4
1 2 3
2U22
220p
IU13
7U04
SI4778DY
5 6 7 8
4
1 2 3
IU14
12V/1V1 CONVERSION
5U01
FU06
2u0
IU17
IU18
IU20
FU09 FU08
CU00
IU21
CU01
CU02
CU03
GND-SIG GND-SIG
CU04
CU05
7 7 7 7 8 8 8 8 9 9 9 9 10 10 10 10
117
5U03 RES
30R
5U02
30R
3U21
IU19
100R 1%
GND-SIG
SPB SSB TV550
2K11 4DDR EU SD
11 11 11 11 12 12 12 12 13 13 13 13
LC-32LE631
LC-40LE631
LC-46LE631
B03B
IU22
+12V
FU03
+1V8
FU01
+1V1
FU00
SENSE+1V1
2 2011-02-01
3139 123 6519
14 14 14 14 15 15 15 15 16 16 16 16