Philips 40PFL8008K/12 Service Manual page 175

Circuit Diagrams and PWB Layouts
10-3-33 B06G, DC-DC
DC-DC
B06G
+12Vb
+12Vb
7UW2-1
RT9025-12GSP
3
+3V3
2
ENABLE+2V5
+3V3
QFU1.2E LA 10.
5UR3
30R
5UR1
IUR0 IUR2
3UR3-1
33R
30R
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
DETECT12V 5
IUR4
EN
6
FB
GND
GND HS
+5V +3V3
FUW2
+2V5
2UWR
1u0
VDD
FUW3
6
+2V5
VIN VOUT
7
EN ADJ
1
PGOOD
5
NC
GND
GND HS
3UWC
IUWF
1% 470K
7UW2-2
2UWW
3UWD
RT9025-12GSP
22K 1n0
18
19
VIA
20
21
EN 175
5UR2 FUR1
IUR8
+5V
4u7
IURL
2UY1 2UY2 IURM
100n 100n
3UR4
1M0
3UR5
+5V +5V
120K 1%
2UY8
100p
5UR5
IURA
+12Vb
30R
7UR6
RT7297CHZSP
Φ
VIN
STEP DOWN
1
BOOT
2URF
IURD
8 3
SS SW
10n
7 5
EN FB
6
COMP
VIA
ENABLE+3V3 GND_HS GND
CUR5
IURF
GND-3V3r
GND-3V3r
GND-3V3r
3UWL
+3V3
47K
VIA
10
11
+2V5
VIA 12
13
VIA
back to
2014-Jan-10
div. table
+12Vb
7URA-2
RT8288AZSP
18
19
20
21
FUW4
+22V
IURn RES
3URG-1
33R
3URG-2 RES
RES
RES
33R
2URK 2URL
3URG-3 RES IURB
5UR6 FURA
33R
+3V3
1n0 1n0
RES
3URG-4
3u6
33R
IURC
2URE
100n
IURE
3URA
+3V3
1%
IURK 68K
GND-3V3r GND-3V3r
GND-3V3r
IUWE
ENABLE+2V5
+2V5-F
DC-DC
B06G
VIA
10
11
VIA VIA 12
13
VIA
6 2013-01-11
5 2012-11-08
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