Philips 47PFL6057K/12 Service Manual page 102

Circuit Diagrams and PWB Layouts
10-4-22 B04H, Second source DC-DC converters
Second source DC-DC converters
B04H
5UR3
30R
5UR1
IUR0
+12Vb
30R
DETECT12V
5UR5
+12Vb
30R
ENABLE+3V3
GND-3V3r
QFU2.1E LA 10.
IUR2
3UR3-1
33R
3UR3-2
33R
2UR0 2UR4
3UR3-3
33R
1n0 1n0
3UR3-4
33R
2UR3
100n
IUR9
7URA-1
RT8288AZSP
VCC IUR3
2UR1
1 4
VIN BOOT
100n
2
SW 3
5
IUR4
EN
6
FB
GND
GND HS
IURA
7UR6-1
RT8293AHGSP
IURC
2URE
2 1
VIN BOOT
100n
7 3
EN SW
IURD IURE
8 5
SS FB
IURK
6
COMP
GND
GND HS
CUR5
IURF
GND-3V3r
GND-3V3r
GND-3V3r
GND-3V3r GND-3V3r
EN 102
5UR2
FUR1
IUR8
+5V
3u6
3UR4
1M0
3UR5
+5V
68K
1%
5UR6 FURA
+3V3
IURB
10u
3URA
+3V3
1%
68K
GND-3V3r
back to
2013-Apr-05
div. table
7URA-2
RT8288AZSP
VIA
1 8 1 0
19 11
VIA
20 VIA 12
21 13
VIA
7UR6-2
RT8293AHGSP
VIA
1 8 1 0
19 11
VIA
20 VIA 12
21 13
VIA
Second source
DC-DC converters
B04H
4 2011-12-06
8204 000 9231
19280_022_120322.eps
120322