Circuit Descriptions
7.
7.3
Power Supply
7.3.1
Power Supply Unit
All power supplies are a black box for Service. When any of
these power supplies is defective, a new board must be
ordered and the defective one must be returned, unless the
main fuse of the board is broken. Always replace a defective
fuse with one with the correct specifications! This part is
available in the regular market.
Consult the Philips Service web portal for the order codes of the
boards.
7.3.2
Power Architecture
For the power architecture, refer to the following Figures.
Figure 7-10 Power Architecture FHD100/UHD100/UHD50 - PSU-connector
Figure 7-11 Power Architecture FHD100/UHD100/UHD50 - Front end
19570_171_140723.eps
14-07-23
+3V5-STANDBY
LDO
RT9193-
33GB
U003U
+3V3-STANDBY
To RF4CE
IR sensor,
Keyboard
X026
connector
Wifi X031
connector
LDO +
switch
RT9187GSP
U001U
+3V3-LAN
WOLAN-ENABLE
Over
current
protection
U004U
Ambilight
X026
connector
+12V-AL
AMBI-POWER
(2 sides AL)
+12V
+3V5-STANDBY
X090
+12V-AL
SIP32429DN-GE4 or
AOZ1360DIL U022U
Connector from PSU
19570_172_140723.eps
+12V
PMIC
88PG867RB0
VCORE
+1V8-STANDBY
ST
T
T
TA
AN
U007U
Marvell DG2-Q
Marvell (SM)
+1V5-MRV
Switch
AO3414
+1V8-MRV
Cypress
LDO
AZ1117CH
-3.3G1
PMIC
88PG867SB0
+VCPU
+3V3-MRV
+VPMIC
+3V5-STANDBY
+5V-FE
U008U
EN2 +VPMIC
EN2 +5V-FE
EN1 +5V-FE
EN1 +5V-FE
+3V3-DVB
U005F
Chanel
decoder
T/T2/C/C2/S
/S2
+3V3-TUNER
DC/DC
RT8288A
ZSP
U017U
DC/DC
RT8288A
ZSP
U019U
+5V-USB
DETECT12V
5V-USB
USB 1, 2, 3
Skype
CAM 1&2 (CI)
3D emitter
DC/DC
RT8288A
ZSP
U018U
+3V3
3V3
LDO
RT9187GS
P
Tuner
U007F
+3V3
+2V5-TUNER
U011F
EMMC
(Marvell)
LDO
AZ1117CH
-1.8G1
+1V8-TUNER
+1V8
LDO
RT9025
U003B
+5V-FE
ADV7619
(HDMI)
DC/DC
LNBH26
LSPQR
U001F
i2C
LNB
+V-LNB-DT +V-LNB
+5V-FE
DC/DC
TPS5452
7DDA
+1V5-BE
U027U
1V5-BE
LDO
RT9025
U004H
+
5V-FE
HDMI MUX
UHD:
SIL9573
FHD:
SII9287B
LDO
RT9025
U006F
CiMAX
LDO
RT9025
U021C
+5V-FE
+1V3-HDMI
+1V2-DVB
+1V2-CIMAX
+1V0-C
+5V-FE
Switch
AO3414
+3V3-HDMI
+5V-FE
U001H
U009U
UHD
UHD
DC/DC
TPS5431
9RTE
U011U
DDR-ENABLE
Marvell DDR
+3V3-MRV
LDO
TPS51200
DRCR
U013U
+VTT
USB Hub
Ethernet
+1V8-AVDD
+3V3-STANDBY
HDCP2,2
Rogue
UHD
BE
TPS54427 for UHD 50Hz & FHD
+3V3-CIMAX
RT7297CHZSP for FHD