Circuit Descriptions
7.
back to
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 figure
Figure 7-3 Power Architecture
Figure 7-4 Power PSU-Connector
19580_132_140318.eps
14-03-18
AC-input
+
Mainsfilter
PFC
Display power
Platform power
Display
interfacing
AC-in
Low Stby
power
BL-ON/OFF
DIM
+12 V
+3V5 Stby
AMP
Platform
MTK5591
1 power-PCB
+12 V
+12 V
LVDS AMP
Fully integrated PSLS
19580_135_140320.eps
14-03-21
Dual
DC/DC
Novatek
+12V
+1V5-M
+1V0-M
Novatek
DDR’s
Switch
+3V3-NVT
LDO
+2V5-M
Novatek
72314
+3V3
Novatek
IO supply
voltages
Novatek
U028B
U026B
U025B