Philips 32PFL3605/77 Service Manual page 33

7.2 Power Architecture
Refer to figure Figure 7-3
platform. For trouble shooting, refer to section
failure.
Power
Board
F1 I ≈ 725 mA
5VIN
125V/3A
12VIN
for the power architecture of this
5.5.3 Power
AP1534SG
5 V S B 1 V 0 S
U2
+ CE4 + CE3
220uf/25V 220uf/25V
IR/LED BD
AP1534SG
3V3SB
U4
+ CE8
220uf/25V
5VSB
GPIO25
MOS_SSG4953
FB16
5VSW
Q28_2
I ≈ 2.16 A
F2
12 VSW R266
125V/3A
+ CE16
100uf/25V
MOS_RSS075P03
F3
I ≈ 843 mA
PANEL_VDD
Q22
63V/2A
GPIO5
Figure 7-3 Power Architecture RAM1.0L LA platform
Circuit Descriptions
B
DVDD10
RESET_MAX809STRG
U21
TJ3965D
1V2SB
U3
+ CE7 + CE26
220uf/25V 220uf/25V
R224
AVDD33_CVBS
R225
AVDD33_XTAL
R226
AVDD33_ADAC
R227
AVDD33_USB
R232
AVDD33_AADC
R233
AVDD33_LVDS
R236
AVDD33_REFP_AADC
R237
AVDD33_VGA
MOS_SSG4953
FB18
3V3SW
Q28_1
+
CE7
220uf/25V
FB18
USB_TPS2041BDR
U8
+ CE27
100uf/25V
BAT54C AT24C02BN
VGA_5V
D5 U6
PI5C3257QE
U7
C87
10uf/10V
Audio_SW_CD 4052BNSR
HFT-8-13F2
U5 FB5
T1
AZ7805T
TUNER_VCC_5V
U9
TDA9885TS
+ CE17 FB16
100uf/25V
U10
AUDIO_AMP_TPA3101D2PHPR
3V3TC
U23
MAX17113ETL 16VTC
U34
VGL
+
CE7
220uf/25V
VGH
RT8250GSP
H_VDD
U32
RAM1.0L LA
R228
R229
AVDD33_SIF AVDD33_DIG R230
R231
R234
AVDD33_HDMI R235
AP1084KL DDR_NT5TU32M16CG
1V8SW
U1 U22
+
CE6
220uf/25V
DRV602PWR R266
U26
C87
10uf/10V
AT24C32CN
U20
TL2428_V18
AP1117EL
1V8TC
TL2428_V18
U35
Gamma_MAX9668
U30
7. EN 33
AVDD12_PLL
AVDD12_LVDS AVDD12_VPLL
AVDD12_USB AVDD12_HDMI
AVDD12_DIG_RGB
AVDD12_MEMPLL
AVDD12_RGB
RVREF0
VCC2IO_1
VCC2IO_2
VCC2IO_3
19000_201_100629.eps
100629
2010-Jul-02